/// <summary>
/// Initializes a new instance of the <see cref="NotifyPropertyObservation"/> class.
/// </summary>
/// <param name="data">
/// The data.
/// </param>
/// <param name="property">
/// The property.
/// </param>
/// <param name="childProperty">
/// The child property.
/// </param>
public NotifyPropertyObservation(BindContext data, string property, string childProperty)
{
this.data = data;
if (!string.IsNullOrEmpty(childProperty))
{
this.child = data.CreatePropertyObservation(childProperty);
}
this.Property = property;
}
/// <summary>
/// Initializes a new instance of the <see cref="BindContext"/> class.
/// </summary>
/// <param name="target">
/// The target.
/// </param>
/// <param name="targetProperty">
/// The target property.
/// </param>
public BindContext(object target, string targetProperty)
{
this.OriginalSource = target;
this.propertyObservation = this.CreatePropertyObservation(targetProperty);
if (this.propertyObservation != null)
{
this.propertyObservation.Source = target;
this.Property = this.Tail.Property;
}
else
{
this.Source = target;
}
}
/// <summary>
/// Creates property observation.
/// </summary>
/// <param name="targetProperty">
/// The target property.
/// </param>
/// <returns>
/// The <see cref="NotifyPropertyObservation"/>.
/// </returns>
private NotifyPropertyObservation CreatePropertyObservation(string targetProperty)
{
if (targetProperty == null)
{
return(null);
}
int indexerIndex = targetProperty.IndexOf(BindingManager.IndexerLeftMark, StringComparison.Ordinal);
int pointIndex = targetProperty.IndexOf(".", StringComparison.Ordinal);
bool isIndex = indexerIndex == 0;
string property = targetProperty;
string childProperty = null;
if (isIndex)
{
// Index Property
int rightIndex = property.IndexOf(BindingManager.IndexerRightMark, StringComparison.Ordinal);
property = property.Substring(1, rightIndex - 1);
childProperty =
targetProperty.Substring(rightIndex + 1, targetProperty.Length - rightIndex - 1).TrimStart('.');
}
else if (indexerIndex + pointIndex > -1)
{
if (indexerIndex > -1 && (pointIndex == -1 || indexerIndex < pointIndex))
{
property = targetProperty.Substring(0, indexerIndex);
childProperty = targetProperty.Substring(indexerIndex, targetProperty.Length - indexerIndex);
}
else if (pointIndex > -1)
{
property = targetProperty.Substring(0, pointIndex);
childProperty = targetProperty.Substring(pointIndex + 1, targetProperty.Length - pointIndex - 1);
}
}
NotifyPropertyObservation observation = isIndex
? new NotifyIndexPropertyObservation(
this,
property,
childProperty)
: new NotifyPropertyObservation(
this,
property,
childProperty);
return(observation);
}
/// <summary>
/// Initializes a new instance of the <see cref="NotifyPropertyObservation"/> class.
/// </summary>
/// <param name="data">
/// The data.
/// </param>
/// <param name="property">
/// The property.
/// </param>
/// <param name="childProperty">
/// The child property.
/// </param>
public NotifyPropertyObservation(BindContext data, string property, string childProperty)
{
this.data = data;
if (!string.IsNullOrEmpty(childProperty))
{
this.child = data.CreatePropertyObservation(childProperty);
}
this.Property = property;
}
/// <summary>
/// Initializes a new instance of the <see cref="BindContext"/> class.
/// </summary>
/// <param name="target">
/// The target.
/// </param>
/// <param name="targetProperty">
/// The target property.
/// </param>
public BindContext(object target, string targetProperty)
{
this.OriginalSource = target;
this.propertyObservation = this.CreatePropertyObservation(targetProperty);
if (this.propertyObservation != null)
{
this.propertyObservation.Source = target;
this.Property = this.Tail.Property;
}
else
{
this.Source = target;
}
}