Changeset 3317 for trunk/sources/HeuristicLab.Collections/3.3/ReadOnlyObservableArray.cs

Timestamp:

04/13/10 06:41:56 (14 years ago)

Author:

swagner

Message:

Implemented ReadOnlyView property for items (#969).

File:

• trunk/sources/HeuristicLab.Collections/3.3/ReadOnlyObservableArray.cs (modified) (5 diffs)

trunk/sources/HeuristicLab.Collections/3.3/ReadOnlyObservableArray.cs

@@ -34 +34 @@
 
     #region Properties
+    public bool ReadOnlyView {
+      get { return true; }
+      set { throw new NotSupportedException(); }
+    }
+
     public int Length {
       get { return array.Length; }
@@ -117 +122 @@
     }
 
+    event EventHandler IObservableArray<T>.ReadOnlyViewChanged {
+      add { }
+      remove { }
+    }
+
     [field: NonSerialized]
     public event CollectionItemsChangedEventHandler<IndexedItem<T>> ItemsReplaced;
     protected virtual void OnItemsReplaced(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
-      if (ItemsReplaced != null)
-        ItemsReplaced(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
+      CollectionItemsChangedEventHandler<IndexedItem<T>> handler = ItemsReplaced;
+      if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
     }
 
@@ -127 +137 @@
     public event CollectionItemsChangedEventHandler<IndexedItem<T>> ItemsMoved;
     protected virtual void OnItemsMoved(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
-      if (ItemsMoved != null)
-        ItemsMoved(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
+      CollectionItemsChangedEventHandler<IndexedItem<T>> handler = ItemsMoved;
+      if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
     }
 
@@ -134 +144 @@
     public event CollectionItemsChangedEventHandler<IndexedItem<T>> CollectionReset;
     protected virtual void OnCollectionReset(IEnumerable<IndexedItem<T>> items, IEnumerable<IndexedItem<T>> oldItems) {
-      if (CollectionReset != null)
-        CollectionReset(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
+      CollectionItemsChangedEventHandler<IndexedItem<T>> handler = CollectionReset;
+      if (handler != null) handler(this, new CollectionItemsChangedEventArgs<IndexedItem<T>>(items, oldItems));
     }
 
@@ -141 +151 @@
     public event PropertyChangedEventHandler PropertyChanged;
     protected virtual void OnPropertyChanged(string propertyName) {
-      if (PropertyChanged != null)
-        PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
+      PropertyChangedEventHandler handler = PropertyChanged;
+      if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
     }