/// <summary>
/// Notifies subscribers of the property change.
/// </summary>
/// <param name = "propertyName">Name of the property.</param>
public virtual void NotifyOfPropertyChange(string propertyName)
{
if (IsNotifying)
{
Execute.OnUiThread(() => OnPropertyChanged(new PropertyChangedEventArgs(propertyName)));
}
}
public virtual void NotifyOfPropertyChange([System.Runtime.CompilerServices.CallerMemberName] string propertyName = null)
{
#endif
if (IsNotifying)
{
Execute.OnUiThread(() => OnPropertyChanged(new PropertyChangedEventArgs(propertyName)));
}
}
/// <summary>
/// Raises a change notification indicating that all bindings should be refreshed.
/// </summary>
public void Refresh()
{
Execute.OnUiThread(() => {
OnPropertyChanged(new PropertyChangedEventArgs("Count"));
OnPropertyChanged(new PropertyChangedEventArgs("Item[]"));
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
});
}
/// <summary>
/// Adds the range.
/// </summary>
/// <param name = "items">The items.</param>
public virtual void AddRange(IEnumerable <T> items)
{
Execute.OnUiThread(() => {
var previousNotificationSetting = IsNotifying;
IsNotifying = false;
var index = Count;
foreach (var item in items)
{
InsertItemBase(index, item);
index++;
}
IsNotifying = previousNotificationSetting;
OnPropertyChanged(new PropertyChangedEventArgs("Count"));
OnPropertyChanged(new PropertyChangedEventArgs("Item[]"));
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
});
}
/// <summary>
/// Removes the range.
/// </summary>
/// <param name = "items">The items.</param>
public virtual void RemoveRange(IEnumerable <T> items)
{
Execute.OnUiThread(() => {
var previousNotificationSetting = IsNotifying;
IsNotifying = false;
foreach (var item in items)
{
var index = IndexOf(item);
if (index >= 0)
{
RemoveItemBase(index);
}
}
IsNotifying = previousNotificationSetting;
OnPropertyChanged(new PropertyChangedEventArgs("Count"));
OnPropertyChanged(new PropertyChangedEventArgs("Item[]"));
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
});
}
void Closing(object sender, CancelEventArgs e)
{
if (e.Cancel)
{
return;
}
var guard = (IGuardClose)model;
if (actuallyClosing)
{
actuallyClosing = false;
return;
}
bool runningAsync = false, shouldEnd = false;
guard.CanClose(canClose => {
Execute.OnUiThread(() => {
if (runningAsync && canClose)
{
actuallyClosing = true;
view.Close();
}
else
{
e.Cancel = !canClose;
}
shouldEnd = true;
});
});
if (shouldEnd)
{
return;
}
runningAsync = e.Cancel = true;
}
/// <summary>
/// Sets the item at the specified position.
/// </summary>
/// <param name = "index">The index to set the item at.</param>
/// <param name = "item">The item to set.</param>
protected override sealed void SetItem(int index, T item)
{
Execute.OnUiThread(() => SetItemBase(index, item));
}
/// <summary>
/// Clears the items contained by the collection.
/// </summary>
protected override sealed void ClearItems()
{
Execute.OnUiThread(ClearItemsBase);
}
/// <summary>
/// Removes the item at the specified position.
/// </summary>
/// <param name = "index">The position used to identify the item to remove.</param>
protected override sealed void RemoveItem(int index)
{
Execute.OnUiThread(() => RemoveItemBase(index));
}