/// <inheritdoc />
public void AddAdapter(IRegionAdapter regionAdapter)
{
if (regionAdapter == null)
{
throw new ArgumentNullException(nameof(regionAdapter));
}
if (this.Adapters.Contains(regionAdapter))
{
return;
}
Trace.TraceInformation($"Adding region adapter: {regionAdapter.GetType().Name}");
this.Adapters.Add(regionAdapter);
}
/// <inheritdoc />
public void RemoveAdapter(IRegionAdapter regionAdapter)
{
if (regionAdapter == null)
{
throw new ArgumentNullException(nameof(regionAdapter));
}
Trace.TraceInformation($"Removing region adapter: {regionAdapter.GetType().Name}");
foreach (KeyValuePair <string, Tuple <object, IRegionAdapter> > region in this.RegionDictionary)
{
if (ReferenceEquals(regionAdapter, region.Value.Item2))
{
throw new InvalidOperationException("The specified region adapter is still in use.");
}
}
this.Adapters.Remove(regionAdapter);
}
/// <inheritdoc />
public void AddRegion(string region, object container)
{
if (region == null)
{
throw new ArgumentNullException(nameof(region));
}
if (container == null)
{
throw new ArgumentNullException(nameof(container));
}
if (string.IsNullOrWhiteSpace(region))
{
throw new ArgumentException("Parameter is an empty string.", nameof(region));
}
Trace.TraceInformation($"Adding region {region} to: {container.GetType().Name}");
List <Tuple <int, IRegionAdapter> > adapters = new List <Tuple <int, IRegionAdapter> >();
Type containerType = container.GetType();
foreach (IRegionAdapter currentAdapter in this.Adapters)
{
if (currentAdapter.IsCompatibleContainer(containerType, out int inheritanceDepth))
{
adapters.Add(new Tuple <int, IRegionAdapter>(inheritanceDepth, currentAdapter));
}
}
adapters.Sort((x, y) => x.Item1.CompareTo(y.Item1));
if (adapters.Count == 0)
{
throw new NotSupportedException($"No region adapter supports the container type {containerType.Name}");
}
IRegionAdapter adapter = adapters[0]
.Item2;
Trace.TraceInformation($"Used region adapter for region{region} at {container.GetType().Name}: {adapter.GetType().Name}");
if (this.RegionDictionary.ContainsKey(region))
{
if (ReferenceEquals(container, this.RegionDictionary[region]
.Item1) && adapter.Equals(this.RegionDictionary[region]
.Item2))
{
return;
}
this.RegionDictionary.Remove(region);
}
this.RegionDictionary.Add(region, new Tuple <object, IRegionAdapter>(container, adapter));
}