private DataTemplate GetFileMetadataDataTemplate(IDictionary <FileMetadataDataTemplateKey, DataTemplate> source, Type valueType, string keyName)
{
DebugHelper.AssertUIThread();
DataTemplate result = null;
if (this.plugins != null)
{
Debug.Assert(source != null);
Debug.Assert(valueType != null);
Debug.Assert(!String.IsNullOrWhiteSpace(keyName));
FileMetadataDataTemplateKey key;
lock (this.plugins)
{
key = new FileMetadataDataTemplateKey(valueType, keyName);
if (!source.TryGetValue(key, out result))
{
key = new FileMetadataDataTemplateKey(valueType);
if (!source.TryGetValue(key, out result))
{
result = null;
}
}
}
}
return(result);
}
private static void LoadDefaultDataTemplate(IDictionary <FileMetadataDataTemplateKey, DataTemplate> fileDestination, IDictionary <StreamMetadataDataTemplateKey, DataTemplate> streamDestination, string resourceKey, Type valueType)
{
DebugHelper.AssertUIThread();
Debug.Assert(fileDestination != null);
Debug.Assert(streamDestination != null);
Debug.Assert(resourceKey != null);
Debug.Assert(valueType != null);
DataTemplate dataTemplate = Application.Current.TryFindResource(resourceKey) as DataTemplate;
if (dataTemplate != null)
{
if (fileDestination != null)
{
FileMetadataDataTemplateKey key = new FileMetadataDataTemplateKey(valueType);
fileDestination.Add(key, dataTemplate);
}
if (streamDestination != null)
{
StreamMetadataDataTemplateKey key = new StreamMetadataDataTemplateKey(valueType);
streamDestination.Add(key, dataTemplate);
}
}
}
public override bool Equals(object obj)
{
bool result = false;
FileMetadataDataTemplateKey other = obj as FileMetadataDataTemplateKey;
if (other != null)
{
result = (this.valueType == other.valueType) &&
(this.keyName == other.keyName);
}
return(result);
}
