/// <summary>
/// Constructs the object; remembers the callers' type for looking up dependent properties
/// efficiently
/// </summary>
/// <param name="callerType">The callers (i.e. derived class) type</param>
protected NotifyPropertyChangedImpl(Type callerType)
{
if (DependentProperties.ContainsKey(callerType))
{
CallerType = callerType;
}
}
/// <summary>
/// Add a group of interdependent properties (i.e. if one of them changes, all of them change)
/// </summary>
/// <typeparam name="Type">The type</typeparam>
/// <param name="propertyNamesDest">The list of property names</param>
protected static void AddDependencyGroup <Type>(params string[] propertyNamesDest)
{
var type = typeof(Type);
if (!ValidatePublicPropertyNames(type, propertyNamesDest))
{
throw new ArgumentException("A destination property is not a property of the given type", "propertyNamesDest");
}
if (!DependentProperties.ContainsKey(type))
{
DependentProperties[type] = new Dictionary <string, List <string> >();
}
foreach (var propertyNameSource in propertyNamesDest)
{
if (!DependentProperties[type].ContainsKey(propertyNameSource))
{
DependentProperties[type][propertyNameSource] = new List <string>();
}
foreach (var name in propertyNamesDest)
{
if (name == propertyNameSource)
{
continue;
}
if (DependentProperties[type][propertyNameSource].Any(item => item == name))
{
continue;
}
DependentProperties[type][propertyNameSource].Add(name);
}
}
}
