/// <summary>
/// Creates a new instance of the class. Used by runtime bindings.
/// </summary>
public RuntimeBinding(List <BindingPath> sources, BindingPath target, bool isTwoWay, BindingType bindingType, Func <object[], object> transformMethod, string formatString) : base(sources, target, null, null, isTwoWay)
{
PropagateSourceToTarget = PropagateSourceToTargetMethod;
PropagateTargetToSource = PropagateTargetToSourceMethod;
BindingType = bindingType;
TransformMethod = transformMethod;
FormatString = formatString;
}
/// <summary>
/// Removes change listener from object.
/// </summary>
private void RemoveChangeListener(BindingPath source, object sourceObject)
{
if (BindableObjectType.IsAssignableFrom(sourceObject.GetType()))
{
var bindableSourceObject = sourceObject as BindableObject;
bindableSourceObject.PropertyChanged -= source.PropertyChanged;
}
}
/// <summary>
/// Creates a new instance of the class. Used by runtime bindings.
/// </summary>
public RuntimeBinding(List <BindingPath> sources, BindingPath target, bool isTwoWay, BindingType bindingType, Func <Task <object> > transformMethod, string formatString) : base(sources, target, null, null, isTwoWay)
{
#pragma warning disable CS4014
PropagateSourceToTarget = () => PropagateSourceToTargetMethod();
#pragma warning restore CS4014
PropagateTargetToSource = PropagateTargetToSourceMethod;
BindingType = bindingType;
TransformMethod = transformMethod;
FormatString = formatString;
}
/// <summary>
/// Creates a new instance of the class.
/// </summary>
public Binding(List <BindingPath> sources, BindingPath target, Action propagateSourceToTarget, Action propagateTargetToSource, bool isTwoWay)
{
Sources = sources;
Target = target;
Target.Binding = this;
Target.IsTarget = true;
Sources.ForEach(x => x.Binding = this);
PropagateSourceToTarget = propagateSourceToTarget;
PropagateTargetToSource = propagateTargetToSource;
IsTwoWay = isTwoWay;
}
/// <summary>
/// Adds change listener to object.
/// </summary>
private void AddChangeListener(BindingPath source, object sourceObject)
{
if (BindableObjectType.IsAssignableFrom(sourceObject.GetType()))
{
var bindableSourceObject = sourceObject as BindableObject;
bindableSourceObject.PropertyChanged += source.PropertyChanged;
}
else
{
if (!HasRegisteredInLayoutRoot)
{
LayoutRoot.RegisterUpdateable(this);
HasRegisteredInLayoutRoot = true;
}
}
}