public ModelItemDictionaryImpl(ModelTreeManager modelTreeManager, Type itemType, Object instance, ModelItem parent)
{
Fx.Assert(modelTreeManager != null, "modelTreeManager cannot be null");
Fx.Assert(itemType != null, "item type cannot be null");
Fx.Assert(instance != null, "instance cannot be null");
this.itemType = itemType;
this.instance = new DictionaryWrapper(instance);
this.modelTreeManager = modelTreeManager;
this.parents = new List<ModelItem>(1);
this.sources = new List<ModelProperty>(1);
this.helper = new ModelTreeItemHelper();
if (parent != null)
{
this.manuallySetParent = parent;
}
this.modelPropertyStore = new Dictionary<string, ModelItem>();
this.subTreeNodesThatNeedBackLinkPatching = new List<ModelItem>();
this.modelItems = new NullableKeyDictionary<ModelItem, ModelItem>();
UpdateInstance();
if (ItemsCollectionObject != null)
{
ItemsCollectionModelItemCollection.CollectionChanged += new NotifyCollectionChangedEventHandler(itemsCollection_CollectionChanged);
this.ItemsCollectionObject.ModelDictionary = this;
}
}
public ModelItemDictionaryImpl(ModelTreeManager modelTreeManager, Type itemType, Object instance, ModelItem parent)
{
Fx.Assert(modelTreeManager != null, "modelTreeManager cannot be null");
Fx.Assert(itemType != null, "item type cannot be null");
Fx.Assert(instance != null, "instance cannot be null");
this.itemType = itemType;
this.instance = new DictionaryWrapper(instance);
this.modelTreeManager = modelTreeManager;
this.parents = new List <ModelItem>(1);
this.sources = new List <ModelProperty>(1);
this.helper = new ModelTreeItemHelper();
if (parent != null)
{
this.manuallySetParent = parent;
}
this.modelPropertyStore = new Dictionary <string, ModelItem>();
this.subTreeNodesThatNeedBackLinkPatching = new List <ModelItem>();
this.modelItems = new NullableKeyDictionary <ModelItem, ModelItem>();
UpdateInstance();
if (ItemsCollectionObject != null)
{
ItemsCollectionModelItemCollection.CollectionChanged += new NotifyCollectionChangedEventHandler(itemsCollection_CollectionChanged);
this.ItemsCollectionObject.ModelDictionary = this;
}
}
public void TestNullableKeyDictionaryInt()
{
var dict = new NullableKeyDictionary <int?, string> {
{ 1, "Hello" },
{ null, "Null" }
};
Assert.AreEqual(2, dict.Count);
}
public void TestNullableKeyDictionaryString()
{
var dict = new NullableKeyDictionary <string, string> {
{ "Hello", "World" },
{ null, "Null" }
};
Assert.AreEqual(2, dict.Count);
}
public void TestNullableKeyDictionaryContainsKey()
{
var dict = new NullableKeyDictionary <string, string>(StringComparer.OrdinalIgnoreCase)
{
{ "Hello", "World" },
{ null, "Null" }
};
Assert.IsTrue(dict["hello"] == dict["Hello"]);
Assert.IsTrue(dict.ContainsKey("hello"));
Assert.IsTrue(dict.ContainsKey(null));
}
public void TestNullableKeyDictionaryKeys()
{
var dict = new NullableKeyDictionary <string, string> {
{ "Hello", "World" },
{ null, "Null" }
};
var keys = dict.Keys;
var keys1 = new String[2];
keys.CopyTo(keys1, 0);
var keys2 = new String[] { "Hello", null };
Assert.IsTrue(keys1.SequenceEqual(keys2));
}
public void NullableKeyDictionaryTest()
{
int value = 0;
IDictionary <string, int> target = new NullableKeyDictionary <string, int>();
target.Add(null, 13);
target.Add(new KeyValuePair <string, int>("a", 14));
Assert.IsTrue(target.ContainsKey(null));
Assert.IsTrue(target.ContainsKey("a"));
Assert.IsTrue(target.Contains(new KeyValuePair <string, int>(null, 13)));
Assert.IsTrue(target.Contains(new KeyValuePair <string, int>("a", 14)));
Assert.IsTrue(target.Keys.Contains(null));
Assert.IsTrue(target.Keys.Contains("a"));
Assert.IsTrue(target.Values.Contains(13));
Assert.IsTrue(target.Values.Contains(14));
Assert.AreEqual(target.Count, 2);
Assert.IsTrue(target.TryGetValue(null, out value));
Assert.AreEqual(value, 13);
Assert.IsTrue(target.TryGetValue("a", out value));
Assert.AreEqual(value, 14);
foreach (KeyValuePair <string, int> item in target)
{
Console.WriteLine(item);
}
Assert.IsTrue(target.Remove(null));
Assert.IsFalse(target.Remove(new KeyValuePair <string, int>(null, 13)));
Assert.IsTrue(target.Remove("a"));
Assert.IsFalse(target.Remove(new KeyValuePair <string, int>("a", 14)));
foreach (KeyValuePair <string, int> item in target)
{
Console.WriteLine(item);
}
}
internal Lookup(IEqualityComparer <TKey> comparer)
{
mKeyGroupPairs = new NullableKeyDictionary <TKey, IGrouping <TKey, TElement> >(comparer);
}
