protected virtual async void OnViewModelPropertyChanged(object sender, BindingEventArgs e)
{
var control = Controls.AsEnumerable().FirstOrDefault(x => x.Name == e.ControlName);
if (control == null)
{
return;
}
//TODO: throw new MvfException($"Could not bind {e.Property.Name} property because related control is not found");
await BindingDispatcher.BindControl(control, e.Property, e.Converter, e.Type);
}
private async void StartListeningForChanges()
{
while (true)
{
foreach (var control in this.Controls.AsEnumerable())
{
var connectedBindings = this.BindableProperties.Where(x => x.PropertyInfo.GetPropertyFromAttribute <MvfBindable, string>(b => b.ControlName) == control.Name).ToList();
foreach (var controlBinding in connectedBindings)
{
var controlPropertyname = controlBinding.PropertyInfo.GetPropertyFromAttribute <MvfBindable, string>(b => b.ControlPropertyName);
if (string.IsNullOrEmpty(controlPropertyname))
{
continue;
}
var currentvalue = control.GetProperty(controlPropertyname).GetValue(control);
var lastKnownValue = LastKnownValues[control][controlBinding.PropertyInfo];
if (currentvalue.DeserializedEquals(lastKnownValue))
{
continue;
}
var value = await BindingDispatcher.BindMvfProperty(controlBinding.PropertyInfo, currentvalue, controlBinding.PropertyInfo.GetMvfConverterType());
if (controlBinding.PropertyInfo.GetMvfConverterType() != null)
{
value = MvfValueConverter.GetConvertedValue(controlBinding.PropertyInfo.GetMvfConverterType(),
currentvalue);
}
LastKnownValues[control][controlBinding.PropertyInfo] = value;
}
}
try
{
await Task.Delay(1, ChangesListenerTokenSource.Token);
}
catch (TaskCanceledException)
{
break;
}
}
}
protected virtual async Task InitializeStartupBindings()
{
foreach (var control in this.Controls.AsEnumerable())
{
var controlBindingProperties = this.BindableProperties
.Select(x => x.PropertyInfo)
.Where(x => x.GetPropertyFromAttribute <MvfBindable, string>(y => y.ControlName) == control.Name)
.ToList();
if (!controlBindingProperties.Any())
{
continue;
}
foreach (var bindingProperty in controlBindingProperties)
{
await BindingDispatcher.BindControl(control, bindingProperty, bindingProperty.GetMvfConverterType());
}
}
}
