Mercurial > projects > dwt2
annotate org.eclipse.core.databinding.beans/src/org/eclipse/core/internal/databinding/beans/JavaBeanObservableList.d @ 104:88652073d1c2
More work on icu
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 02 May 2009 11:27:24 +0200 |
parents | 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; |
97 | 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 static import java.beans.PropertyChangeEvent; |
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31 |
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32 import org.eclipse.core.databinding.BindingException; |
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33 import org.eclipse.core.databinding.beans.IBeanObservable; |
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34 import org.eclipse.core.databinding.observable.Diffs; |
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35 import org.eclipse.core.databinding.observable.Realm; |
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36 import org.eclipse.core.databinding.observable.list.ListDiffEntry; |
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37 import org.eclipse.core.databinding.observable.list.ObservableList; |
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38 |
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39 /** |
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40 * @since 1.0 |
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41 * |
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42 */ |
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43 public class JavaBeanObservableList : ObservableList , |
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44 IBeanObservable { |
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45 |
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46 private final Object object; |
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47 |
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48 private bool updating = false; |
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49 |
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50 private PropertyDescriptor descriptor; |
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51 |
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52 private ListenerSupport listenerSupport; |
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53 |
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54 /** |
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55 * @param realm |
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56 * @param object |
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57 * @param descriptor |
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58 * @param elementType |
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59 */ |
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60 public this(Realm realm, Object object, |
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61 PropertyDescriptor descriptor, Class elementType) { |
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62 this(realm, object, descriptor, elementType, true); |
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63 } |
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64 |
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65 /** |
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66 * @param realm |
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67 * @param object |
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68 * @param descriptor |
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69 * @param elementType |
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70 * @param attachListeners |
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71 */ |
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72 public this(Realm realm, Object object, |
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73 PropertyDescriptor descriptor, Class elementType, |
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74 bool attachListeners) { |
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75 |
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76 super(realm, new ArrayList(), elementType); |
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77 this.object = object; |
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78 this.descriptor = descriptor; |
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79 |
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80 if (attachListeners) { |
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81 PropertyChangeListener listener = new class() PropertyChangeListener { |
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82 public void propertyChange(java.beans.PropertyChangeEvent.PropertyChangeEvent event) { |
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83 if (!updating) { |
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84 getRealm().exec(new class() Runnable { |
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85 public void run() { |
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86 updateWrappedList(new ArrayList(Arrays |
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87 .asList(getValues()))); |
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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 }; |
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93 this.listenerSupport = new ListenerSupport(listener, |
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94 descriptor.getName()); |
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95 listenerSupport.hookListener(this.object); |
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96 } |
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97 |
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98 // initialize list without firing events |
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99 wrappedList.addAll(Arrays.asList(getValues())); |
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100 } |
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101 |
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102 public void dispose() { |
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103 if (listenerSupport !is null) { |
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104 listenerSupport.dispose(); |
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105 listenerSupport = null; |
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106 } |
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107 super.dispose(); |
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108 } |
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109 |
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110 private Object primGetValues() { |
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111 Exception ex = null; |
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112 try { |
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113 Method readMethod = descriptor.getReadMethod(); |
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114 if (!readMethod.isAccessible()) { |
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115 readMethod.setAccessible(true); |
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116 } |
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117 return readMethod.invoke(object, new Object[0]); |
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118 } catch (IllegalArgumentException e) { |
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119 ex = e; |
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120 } catch (IllegalAccessException e) { |
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121 ex = e; |
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122 } catch (InvocationTargetException e) { |
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123 ex = e; |
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124 } |
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125 throw new BindingException("Could not read collection values", ex); //$NON-NLS-1$ |
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126 } |
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127 |
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128 private Object[] getValues() { |
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129 Object[] values = null; |
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130 |
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131 Object result = primGetValues(); |
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132 if (descriptor.getPropertyType().isArray()) |
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133 values = arrayFromObject!(Object)( result ); |
95
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134 else { |
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135 // TODO add jUnit for POJO (var. SettableValue) collections |
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136 Collection list = cast(Collection) result; |
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137 if (list !is null) { |
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138 values = list.toArray(); |
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139 } |
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140 } |
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141 if (values is null) |
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142 values = new Object[0]; |
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143 return values; |
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144 } |
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145 |
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146 public Object getObserved() { |
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147 return object; |
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148 } |
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149 |
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150 public PropertyDescriptor getPropertyDescriptor() { |
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151 return descriptor; |
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152 } |
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153 |
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154 private void setValues() { |
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155 if (descriptor.getPropertyType().isArray()) { |
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156 Class componentType = descriptor.getPropertyType() |
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157 .getComponentType(); |
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158 Object[] newArray = arrayFromObject!(Object)( Array.newInstance(componentType, |
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159 wrappedList.size())); |
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160 wrappedList.toArray(newArray); |
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161 primSetValues(new ArrayWrapperObject(newArray)); |
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162 } else { |
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163 // assume that it is a java.util.List |
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164 primSetValues(new ArrayList(wrappedList)); |
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165 } |
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166 } |
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167 |
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168 private void primSetValues(Object newValue) { |
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169 Exception ex = null; |
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170 try { |
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171 Method writeMethod = descriptor.getWriteMethod(); |
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172 if (!writeMethod.isAccessible()) { |
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173 writeMethod.setAccessible(true); |
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174 } |
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175 writeMethod.invoke(object, [ newValue ]); |
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176 return; |
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177 } catch (IllegalArgumentException e) { |
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178 ex = e; |
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179 } catch (IllegalAccessException e) { |
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180 ex = e; |
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181 } catch (InvocationTargetException e) { |
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182 ex = e; |
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183 } |
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184 throw new BindingException("Could not write collection values", ex); //$NON-NLS-1$ |
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185 } |
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186 |
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187 public Object set(int index, Object element) { |
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188 getterCalled(); |
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189 updating = true; |
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190 try { |
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191 Object oldElement = wrappedList.set(index, element); |
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192 setValues(); |
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193 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
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194 index, false, oldElement), Diffs.createListDiffEntry(index, |
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195 true, element))); |
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196 return oldElement; |
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197 } finally { |
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198 updating = false; |
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199 } |
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200 } |
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201 |
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202 public Object move(int oldIndex, int newIndex) { |
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203 getterCalled(); |
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204 updating = true; |
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205 try { |
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206 int size = wrappedList.size(); |
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207 if (oldIndex < 0 || oldIndex >= size) |
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208 throw new IndexOutOfBoundsException( |
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97
diff
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209 Format("oldIndex: {}, size:{}", oldIndex, size)); //$NON-NLS-1$ //$NON-NLS-2$ |
95
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210 if (newIndex < 0 || newIndex >= size) |
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211 throw new IndexOutOfBoundsException( |
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97
diff
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212 Format("newIndex: {}, size:{}", newIndex, size)); //$NON-NLS-1$ //$NON-NLS-2$ |
95
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213 if (oldIndex is newIndex) |
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214 return wrappedList.get(oldIndex); |
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215 Object element = wrappedList.remove(oldIndex); |
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216 wrappedList.add(newIndex, element); |
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217 setValues(); |
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218 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
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219 oldIndex, false, element), Diffs.createListDiffEntry( |
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|
220 newIndex, true, element))); |
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221 return element; |
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|
222 } finally { |
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|
223 updating = false; |
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|
224 } |
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diff
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|
225 } |
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|
226 |
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|
227 public Object remove(int index) { |
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228 getterCalled(); |
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diff
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|
229 updating = true; |
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diff
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|
230 try { |
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diff
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|
231 Object oldElement = wrappedList.remove(index); |
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diff
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|
232 setValues(); |
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diff
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|
233 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
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diff
changeset
|
234 index, false, oldElement))); |
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diff
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|
235 return oldElement; |
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diff
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|
236 } finally { |
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diff
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|
237 updating = false; |
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diff
changeset
|
238 } |
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diff
changeset
|
239 } |
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diff
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|
240 |
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diff
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|
241 public bool add(Object element) { |
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|
242 updating = true; |
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diff
changeset
|
243 try { |
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diff
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|
244 int index = wrappedList.size(); |
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diff
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|
245 bool result = wrappedList.add(element); |
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diff
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|
246 setValues(); |
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diff
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|
247 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
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diff
changeset
|
248 index, true, element))); |
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diff
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|
249 return result; |
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diff
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|
250 } finally { |
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diff
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|
251 updating = false; |
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diff
changeset
|
252 } |
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diff
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|
253 } |
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diff
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|
254 |
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changeset
|
255 public void add(int index, Object element) { |
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diff
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|
256 updating = true; |
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diff
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|
257 try { |
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diff
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|
258 wrappedList.add(index, element); |
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diff
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|
259 setValues(); |
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diff
changeset
|
260 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
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parents:
diff
changeset
|
261 index, true, element))); |
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diff
changeset
|
262 } finally { |
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diff
changeset
|
263 updating = false; |
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parents:
diff
changeset
|
264 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
265 } |
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Frank Benoit <benoit@tionex.de>
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diff
changeset
|
266 |
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Frank Benoit <benoit@tionex.de>
parents:
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267 public bool addAll(Collection c) { |
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268 if (c.isEmpty()) { |
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269 return false; |
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270 } |
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271 updating = true; |
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272 try { |
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273 int index = wrappedList.size(); |
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274 bool result = wrappedList.addAll(c); |
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275 setValues(); |
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276 ListDiffEntry[] entries = new ListDiffEntry[c.size()]; |
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277 int i = 0; |
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278 for (Iterator it = c.iterator(); it.hasNext();) { |
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279 Object o = it.next(); |
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280 entries[i++] = Diffs.createListDiffEntry(index++, true, o); |
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281 } |
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282 fireListChange(Diffs.createListDiff(entries)); |
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283 return result; |
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|
284 } finally { |
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285 updating = false; |
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parents:
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|
286 } |
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Frank Benoit <benoit@tionex.de>
parents:
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|
287 } |
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|
288 |
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289 public bool addAll(int index, Collection c) { |
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290 if (c.isEmpty()) { |
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291 return false; |
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292 } |
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293 updating = true; |
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294 try { |
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295 bool result = wrappedList.addAll(index, c); |
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296 setValues(); |
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297 ListDiffEntry[] entries = new ListDiffEntry[c.size()]; |
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298 int i = 0; |
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299 for (Iterator it = c.iterator(); it.hasNext();) { |
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300 Object o = it.next(); |
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301 entries[i++] = Diffs.createListDiffEntry(index++, true, o); |
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302 } |
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303 fireListChange(Diffs.createListDiff(entries)); |
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304 return result; |
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305 } finally { |
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306 updating = false; |
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307 } |
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parents:
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|
308 } |
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parents:
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|
309 |
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310 public bool remove(Object o) { |
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311 getterCalled(); |
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312 int index = wrappedList.indexOf(o); |
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313 if (index is -1) { |
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314 return false; |
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parents:
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|
315 } |
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parents:
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|
316 updating = true; |
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changeset
|
317 try { |
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318 Object oldElement = wrappedList.remove(index); |
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319 setValues(); |
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|
320 fireListChange(Diffs.createListDiff(Diffs.createListDiffEntry( |
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diff
changeset
|
321 index, false, oldElement))); |
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322 return true; |
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|
323 } finally { |
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|
324 updating = false; |
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parents:
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|
325 } |
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parents:
diff
changeset
|
326 } |
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parents:
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|
327 |
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diff
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|
328 public bool removeAll(Collection c) { |
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diff
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|
329 getterCalled(); |
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330 bool changed = false; |
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|
331 updating = true; |
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parents:
diff
changeset
|
332 try { |
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diff
changeset
|
333 List diffEntries = new ArrayList(); |
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parents:
diff
changeset
|
334 for (Iterator it = c.iterator(); it.hasNext();) { |
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parents:
diff
changeset
|
335 Object o = it.next(); |
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parents:
diff
changeset
|
336 int index = wrappedList.indexOf(o); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
337 if (index !is -1) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
338 changed = true; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
339 Object oldElement = wrappedList.remove(index); |
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parents:
diff
changeset
|
340 diffEntries.add(Diffs.createListDiffEntry(index, false, |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
341 oldElement)); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
342 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
343 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
344 if (changed) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
345 setValues(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
346 fireListChange(Diffs |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
347 .createListDiff(cast(ListDiffEntry[]) diffEntries |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
348 .toArray(new ListDiffEntry[diffEntries.size()]))); |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
349 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
350 return changed; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
351 } finally { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
352 updating = false; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
353 } |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
354 } |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
355 |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
356 public bool retainAll(Collection c) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
357 getterCalled(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
358 bool changed = false; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
359 updating = true; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
360 try { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
361 List diffEntries = new ArrayList(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
362 int index = 0; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
363 for (Iterator it = wrappedList.iterator(); it.hasNext();) { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
364 Object o = it.next(); |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
365 bool retain = c.contains(o); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
366 if (retain) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
367 index++; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
368 } else { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
369 changed = true; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
370 it.remove(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
371 diffEntries.add(Diffs.createListDiffEntry(index, false, o)); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
372 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
373 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
374 if (changed) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
375 setValues(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
376 fireListChange(Diffs |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
377 .createListDiff(cast(ListDiffEntry[]) diffEntries |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
378 .toArray(new ListDiffEntry[diffEntries.size()]))); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
379 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
380 return changed; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
381 } finally { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
382 updating = false; |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
383 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
384 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
385 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
386 public void clear() { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
387 updating = true; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
388 try { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
389 List diffEntries = new ArrayList(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
390 for (Iterator it = wrappedList.iterator(); it.hasNext();) { |
6208d4f6a277
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
391 Object o = it.next(); |
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Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
392 diffEntries.add(Diffs.createListDiffEntry(0, false, o)); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
393 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
394 wrappedList.clear(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
395 setValues(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
396 fireListChange(Diffs.createListDiff(cast(ListDiffEntry[]) diffEntries |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
397 .toArray(new ListDiffEntry[diffEntries.size()]))); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
398 } finally { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
399 updating = false; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
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
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
402 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
403 } |