public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
DebugHelper.AssertUIThread();
DataTemplate result = null;
if (this.pluginService != null)
{
if (this.readOnly.GetValueOrDefault(false))
{
if (item is KeyValuePair <string, object> )
{
KeyValuePair <string, object> keyValue = (KeyValuePair <string, object>)item;
result = this.pluginService.GetReadOnlyFileMetadataDataTemplate(keyValue.Value.GetType(), keyValue.Key);
}
}
else
{
MetadataKeyValuePair keyValue = item as MetadataKeyValuePair;
if (keyValue != null)
{
result = this.pluginService.GetWritableFileMetadataDataTemplate(keyValue.Value.GetType(), keyValue.Key);
}
else if (item is KeyValuePair <string, object> )
{
KeyValuePair <string, object> keyValue2 = (KeyValuePair <string, object>)item;
result = this.pluginService.GetReadOnlyFileMetadataDataTemplate(keyValue2.Value.GetType(), keyValue2.Key);
}
}
}
return(result);
}
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
DebugHelper.AssertUIThread();
DataTemplate result = null;
if (this.pluginService != null)
{
string key = null;
Type valueType = null;
Guid dataTypeId = Guid.Empty;
Guid semanticId = Guid.Empty;
MetadataKeyValuePair kv = item as MetadataKeyValuePair;
if (kv != null)
{
Debug.Assert(kv.Value != null);
key = kv.Key;
valueType = kv.Value.GetType();
kv.GetStreamIds(out dataTypeId, out semanticId);
}
else if (item is KeyValuePair <string, object> )
{
KeyValuePair <string, object> kv2 = (KeyValuePair <string, object>)item;
Debug.Assert(kv2.Value != null);
key = kv2.Key;
valueType = kv2.Value.GetType();
// In order to keep the standard Metadata collection as a normal IDictionary (and thus have normal
// KeyValuePair) and not have to copy over read-only metadata into a separate collection proxy,
// set the stream as the DataContext of the ListView parent, and just look it up.
DependencyObject obj = container;
while (true)
{
obj = VisualTreeHelper.GetParent(obj);
if (obj == null)
{
break;
}
FrameworkElement element = obj as FrameworkElement;
if (element != null)
{
KStudioEventStream stream = element.Tag as KStudioEventStream;
if (stream != null)
{
dataTypeId = stream.DataTypeId;
semanticId = stream.SemanticId;
break;
}
}
}
}
if (this.readOnly.GetValueOrDefault(false))
{
result = this.pluginService.GetReadOnlyStreamMetadataDataTemplate(valueType, key, dataTypeId, semanticId);
}
else
{
result = this.pluginService.GetWritableStreamMetadataDataTemplate(valueType, key, dataTypeId, semanticId);
}
}
return(result);
}
