/// <summary>
/// Retrieves or tries to create the filter model, using as a key pair {viewKey, initializer}.
/// </summary>
/// <param name="viewKey">A string representing a key of the set of filters.</param>
/// <param name="initializer">Initialiser filter that defines filter in the collection of filters.</param>
/// <returns>FilterPresenter instance, if it is possible provide for couples viewKey and initializer. Otherwise, null.</returns>
public Filter TryGetFilter(string viewKey, FilterInitializer initializer)
{
Filter filter = null;
if (viewKey != null)
{
FiltersCollection filtersEntry;
// Get registered collection by key.
if (filters.ContainsKey(viewKey))
{
filtersEntry = filters[viewKey];
}
else
{
filtersEntry = new FiltersCollection(this);
filters.Add(viewKey, filtersEntry);
}
var filterKey = initializer.GetType();
if (filtersEntry.ContainsKey(filterKey))
{
filter = filtersEntry[filterKey];
}
else
{
filter = initializer.NewFilter(this, viewKey);
if (filter != null)
{
filtersEntry[filterKey] = filter;
}
}
}
return(filter);
}
// <summary>
// Initializes and configures the ViewModel for FilterControl.
// </summary>
// <param name="viewKey">A string representing the key for a set of filters.</param>
// <param name="filterInitializers"> Filter initialisers to determine permissible set of the filters in the FilterControlVm.</param>
// <returns>Instance of FilterControlVm that was bind to view.</returns>
public FilterControlVm TryGetFilterControlVm(string viewKey, IEnumerable <FilterInitializer> filterInitializers)
{
//string viewKey = view.Key;
FilterControlVm viewModel = null;
if (viewKey != null)
{
FiltersCollection filtersEntry;
// Get registered collection by key.
if (filters.ContainsKey(viewKey))
{
filtersEntry = filters[viewKey];
}
else
{
filtersEntry = new FiltersCollection(this);
filters.Add(viewKey, filtersEntry);
}
filterInitializers = filterInitializers ?? FilterInitializersManager.Default;
foreach (var initializer in filterInitializers)
{
var filterKey = initializer.GetType();
Filter filter;
if (filtersEntry.ContainsKey(filterKey))
{
filter = filtersEntry[filterKey];
}
else
{
filter = initializer.NewFilter(this, viewKey);
if (filter != null)
{
filtersEntry[filterKey] = filter;
}
}
if (filter != null)
{
viewModel = viewModel ?? new FilterControlVm();
viewModel.Add(filter);
}
}
//view.ItemsSource = viewModel;
}
return(viewModel);
}
private Mock <IUmbracoXmlSitemapSection> CreateMock(string engineType, string cacheType,
string generatorType, string initializerType)
{
var mock = new Mock <IUmbracoXmlSitemapSection>();
var filtesrCollection = new FiltersCollection();
filtesrCollection.Add(new FilterElement {
Type = typeof(FakeFilter)
});
mock.Setup(m => m.Engine).Returns(Type.GetType(engineType));
mock.Setup(m => m.Cache).Returns(Type.GetType(cacheType));
mock.Setup(m => m.Generator).Returns(Type.GetType(generatorType));
mock.Setup(m => m.Initializer).Returns(Type.GetType(initializerType));
mock.Setup(m => m.Filters).Returns(filtesrCollection);
return(mock);
}
