public void DataContainerBase_SetBinding_MustBindOneWay()
{
const string PROP_NAME = "IntProperty";
const int VALUE = 42;
const int NEW_VALUE = 14;
IPropertyContainer pc = PropertyContainerBuilder.Create()
.Property(PROP_NAME, VALUE)
.Build();
var bindingTarget = new BindingTestObject();
Assert.NotEqual(VALUE, bindingTarget.IntProperty);
pc.SetBinding(PROP_NAME, () => bindingTarget.IntProperty, BindingMode.OneWay);
Assert.Equal(VALUE, bindingTarget.IntProperty);
pc.SetValue(PROP_NAME, NEW_VALUE);
Assert.Equal(NEW_VALUE, bindingTarget.IntProperty);
bindingTarget.IntProperty = 32;
int propertyValue = 0;
pc.GetValue(PROP_NAME, ref propertyValue);
pc.RemoveBinding(PROP_NAME, () => bindingTarget.IntProperty);
Assert.NotEqual(32, propertyValue);
Assert.Equal(NEW_VALUE, propertyValue);
}
/// <summary>
/// Gets list items for property that implemented as <see cref="IPropertyContainer"/> list.
/// Example:
/// <code>
/// - Source: IPropertyContainer
/// - ListProperty: IPropertyContainer
/// - ListItem: IPropertyContainer
/// - ListItem: IPropertyContainer
/// </code>
/// </summary>
/// <param name="propertyContainer">Source property container.</param>
/// <param name="listProperty">List property.</param>
/// <returns>ListItem enumeration.</returns>
public static IEnumerable <IPropertyContainer> GetListItems(
this IPropertyContainer propertyContainer,
IProperty <IPropertyContainer> listProperty)
{
IPropertyContainer list = propertyContainer.GetValue(listProperty) ?? PropertyContainer.Empty;
return(list
.Select(pv => pv.ValueUntyped as IPropertyContainer)
.Where(container => container != null) !);
}
/// <summary>
/// Merges composite properties to one container.
/// </summary>
/// <param name="propertyContainer">Source property container.</param>
/// <param name="mergeMode">Merge mode. Default: <see cref="PropertyAddMode.Set"/>.</param>
/// <param name="properties">Properties to merge.</param>
/// <returns>New <see cref="IPropertyContainer"/> instance.</returns>
public static IPropertyContainer MergeProperties(
this IPropertyContainer propertyContainer,
PropertyAddMode mergeMode = PropertyAddMode.Set,
params IProperty <IPropertyContainer>[]?properties)
{
propertyContainer.AssertArgumentNotNull(nameof(propertyContainer));
return(properties
.NotNull()
.Select(property => propertyContainer.GetValue(property))
.Merge(mergeMode));
}
/// <inheritdoc />
public Entity ToModel(IPropertyContainer container)
{
return(new Entity(
createdAt: container.GetValue(CreatedAt),
name: container.GetValue(Name)));
}
/// <inheritdoc /> public T GetValue <T>(IProperty <T> property, bool searchInParent = true) => _propertyContainer.GetValue(property, searchInParent);
