private void RaiseContentChanged(EventArgs args)
{
if (_ContentChanged != null)
{
_ContentChanged.Raise(args);
}
}
private void RaisePropertyValueChanged(EventArgs args)
{
if (_PropertyValueChanged != null)
{
_PropertyValueChanged.Raise(args);
}
}
public void Tick()
{
if (_event != null)
{
_event.Raise();
}
}
/// <summary>
/// при генерации любого триггера генерируем событие
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnTrigger(object sender, EventArgs args)
{
if (Changed != null)
{
Changed(this, EventArgs.Empty);
}
if (_changed != null)
{
_changed.Raise(args);
}
}
public void Raise(string PropertyName)
{
WeakEvent evt;
if (!string.IsNullOrEmpty(PropertyName) &&
_propertyEvents.TryGetValue(PropertyName, out evt))
{
evt.Raise();
}
if (_anyChange != null)
{
_anyChange.Raise(new PropertyChangedEventArgs(PropertyName));
}
}
public void test_FilterCollection()
{
WeakObservableCollection<FilterItem> items = new WeakObservableCollection<FilterItem>() {
new FilterItem() {Property = false}};
var manualTrigger = new WeakEvent(items);
var filtered = items.ToAutoProcessed().FilteredBy(x => x.Property)
.UpdateOn(x => x.PropertyTrigger)
.UpdateOn(x => null);
var filteredM = items.ToAutoProcessed().FilteredBy(x => x.Property).UpdateOn(manualTrigger);
Assert.AreEqual(0, filtered.Count);
items[0].Property = true;
Assert.AreEqual(1, filtered.Count);
Assert.AreEqual(0, filteredM.Count);
manualTrigger.Raise();
Assert.AreEqual(filtered.Count, filteredM.Count);
items[0].Property = false;
Assert.AreEqual(0, filtered.Count);
items.Add(new FilterItem() { Property = true });
Assert.AreEqual(1, filtered.Count);
items.Add(new FilterItem() { Property = false });
Assert.AreEqual(1, filtered.Count);
items.Add(new FilterItem() { Property = true });
Assert.AreEqual(2, filtered.Count);
items.Remove(items.First(x => x.Property));
Assert.AreEqual(1, filtered.Count);
Assert.AreSame(items.Single(x => x.Property), filtered[0]);
items.Remove(items.First(x => !x.Property));
Assert.AreEqual(1, filtered.Count);
items.Clear();
Assert.AreEqual(0, filtered.Count);
//тестируем работу сортировки
var rawColl = new WeakObservableCollection<string>();
//сортируем по первым символам
var sorted = rawColl.ToAutoProcessed().SortedOn((x, y) => x.Substring(0, 1).CompareTo(y.Substring(0, 1)));
rawColl.Add("5ф");
rawColl.Add("2ф");
rawColl.Add("4ф");
rawColl.Add("3ф");
rawColl.Add("1с");
rawColl.Add("5с");
rawColl.Add("2с");
rawColl.Add("4с");
rawColl.Add("3с");
rawColl.Add("1с");
for (int i = 0; i < 5; i++)
{
Assert.AreEqual((i + 1).ToString(), sorted[2 * i].Substring(0, 1));
Assert.AreEqual((i + 1).ToString(), sorted[2 * i + 1].Substring(0, 1));
}
}
private CompoundWeakEvent()
{
_evt = new WeakEvent(this);
trigger = new EventReceiver((x, y) => _evt.Raise(y));
}
