public bool Equals(IKeyedItem p)
{
// If parameter is null return false:
if (p == null)
{
return false;
}
// Return true if the fields match:
return (Guid == p.Guid);
}
/// <summary>
/// Compares two keyed types.
/// </summary>
/// <typeparam name="TKey">Type of the key.</typeparam>
/// <param name="source">Source object.</param>
/// <param name="other">Object to compare <paramref name="source"/> with.</param>
/// <returns>True when objects are equal, false otherwise.</returns>
public static bool AreKeyEqual <TKey>(this IKeyedItem <TKey> source, IKeyedItem other)
{
if (ReferenceEquals(source, other))
{
return(true);
}
if (ReferenceEquals(other, null) || ReferenceEquals(source, null) || source.GetType() != other.GetType())
{
return(false);
}
return(Equals(source.Key, ((IKeyedItem <TKey>)other).Key));
}
public void TryGetValue(
int collectionSize,
Named <KeyedCollectionGetKeyedValue <TKey, TValue> >
generateKeyedItem)
{
TKey[] keys;
IKeyedItem <TKey, TValue>[] items;
IKeyedItem <TKey, TValue>[] itemsWithKeys;
var collection =
new TestKeyedCollectionOfIKeyedItem <TKey, TValue>();
collection.AddItems(
generateKeyedItem.Value.Bind(
GenerateValue,
GetKeyForItem),
ki => ki.Key,
collectionSize,
out keys,
out items,
out itemsWithKeys);
IKeyedItem <TKey, TValue> itemNotIn =
generateKeyedItem.Value(GenerateValue, GetKeyForItem);
TKey keyNotIn = itemNotIn.Key;
if (keyNotIn == null)
{
IKeyedItem <TKey, TValue> item;
Assert.Throws <ArgumentNullException>(
() => collection.TryGetValue(keyNotIn, out item));
}
else
{
IKeyedItem <TKey, TValue> item;
Assert.False(collection.TryGetValue(keyNotIn, out item));
}
foreach (TKey k in keys)
{
IKeyedItem <TKey, TValue> item;
TKey key = k;
if (key == null)
{
Assert.Throws <ArgumentNullException>(
() => collection.TryGetValue(key, out item));
continue;
}
Assert.True(collection.TryGetValue(key, out item));
Assert.Equal(item.Key, key);
}
}
void RefreshDatabaseVariableElem(Element elem)
{
string varname = GetDatabaseVariable(elem);
if (string.IsNullOrWhiteSpace(varname))
{
return;
}
if (elem is Switch sw)
{
App.Database.TryGetVariable(varname, bool.TryParse, out bool b);
sw.IsToggled = b;
}
else if (elem is DropDown dropdown)
{
if (dropdown.ItemsSource is IKeyedItemList itemlist)
{
string str = App.Database.GetVariable(varname);
IKeyedItem item = itemlist.Lookup(str);
dropdown.SelectedItem = item;
}
}
}
public void MyChangeItemKey(
IKeyedItem <TKey, TValue> item,
TKey newKey)
{
ChangeItemKey(item, newKey);
}
protected override TKey GetKeyForItem(
IKeyedItem <TKey, TValue> item)
{
return(item.Key);
}
