private void MoviesForm_Load(object sender, System.EventArgs e)
{
try
{
checkBoxFilters = new List <CheckBox>();
dataGridViewMovies.DataSource = defaultFilter.FilterDataMovies();
filterDataLogic.FilterDataGrid("FilterValuesMovies", filtersGroupBox, out checkBoxFilters);
}
catch (Exception ex)
{
throw;
}
}
public void FilterData(DataGridView dataGridView, string filterDataMethod, List <CheckBox> checkBoxFilters, object index = null)
{
Type[] types = Assembly.Load("MoviesLibrary").GetTypes()
.Where(t => typeof(DefaultFilter).IsAssignableFrom(t) && t != typeof(DefaultFilter)).ToArray();
HashSet <U> filteredValues = new HashSet <U>();
foreach (var checkBox in checkBoxFilters)
{
if (checkBox.Checked)
{
foreach (Type t in types)
{
var instance = Activator.CreateInstance(t, checkBox);
var method = t.GetMethod(filterDataMethod);
if (instance != null && method != null && method.DeclaringType.IsSealed)
{
switch (index)
{
case null:
filteredValues.UnionWith((List <U>)method.Invoke(instance, null));
break;
default:
filteredValues.UnionWith((List <U>)method.Invoke(instance, new[] { index }));
break;
}
}
}
}
else
{
if (index == null)
{
dataGridView.DataSource = defaultFilter.FilterDataMovies();
}
else
{
dataGridView.DataSource = defaultFilter.FilterDataActors()[(int)index];
}
}
}
if (filteredValues.Count > 0)
{
dataGridView.DataSource = filteredValues.ToList();
}
}