private void CreateSourceBinding(object source)
{
// NOTE: We do not call the setter for DataContext here because we are
// setting up the sourceStep.
// If that method is updated we will need to make sure that this method
// does the right thing.
_dataContext = source;
_sourceStep = SourceStepFactory.Create(_bindingDescription.Source);
_sourceStep.TargetType = _targetBinding.TargetType;
_sourceStep.DataContext = source;
if (NeedToObserveSourceChanges)
{
_sourceBindingOnChanged = (sender, args) =>
{
//Capture the cancel token first
var cancel = _cancelSource.Token;
//GetValue can now be executed in a worker thread. Is it the responsibility of the caller to switch threads, or ours ?
//As the source is the viewmodel, i suppose it is the responsibility of the caller.
var value = _sourceStep.GetValue();
UpdateTargetFromSource(value, cancel);
};
_sourceStep.Changed += _sourceBindingOnChanged;
}
UpdateTargetOnBind();
}
private void CreateSourceBinding(object source)
{
_dataContext = source;
_sourceStep = SourceStepFactory.Create(_bindingDescription.Source);
_sourceStep.TargetType = _targetBinding.TargetType;
_sourceStep.DataContext = source;
if (NeedToObserveSourceChanges)
{
_sourceBindingOnChanged = (sender, args) =>
{
var value = _sourceStep.GetValue();
UpdateTargetFromSource(value);
};
_sourceStep.Changed += _sourceBindingOnChanged;
}
UpdateTargetOnBind();
}
