private IEnumerable <PropertyItem> CollectProperties(IList <object> components)
{
if (components == null || components.Count == 0)
{
throw new ArgumentNullException("components");
}
// This is an obsolete code left for performance improvements demo. Will be removed in the future versions.
/*
* var descriptors = component.Length == 1
* ? TypeDescriptor.GetProperties(component[0], DefaultPropertiesFilter).OfType<PropertyDescriptor>()
* : ObjectServices.GetMergedProperties(component);
*/
// TODO: PropertyItem is to be wired with PropertyData rather than pure PropertyDescriptor in the next version!
var descriptors = (components.Count == 1)
? MetadataRepository.GetProperties(components[0]).Select(prop => prop.Descriptor)
: ObjectServices.GetMergedProperties(components);
IList <PropertyItem> propertyCollection = new List <PropertyItem>();
foreach (var propertyDescriptor in descriptors)
// This is an obsolete code left for performance improvements demo. Will be removed in the future versions.
//CollectProperties(component, propertyDescriptor, propertyCollection);
{
var item = CreatePropertyItem(propertyDescriptor);
if (item != null)
{
propertyCollection.Add(item);
}
}
return(propertyCollection);
}
/// <summary>
/// Gets the editor.
/// </summary>
/// <param name="categoryItem">The category item.</param>
/// <returns>Editor for Category</returns>
public Editor GetEditor(CategoryItem categoryItem)
{
if (categoryItem == null)
{
throw new ArgumentNullException("categoryItem");
}
if (categoryItem.Owner == null)
{
return(null);
}
object declaringObject = ObjectServices.GetUnwrappedObject(categoryItem.Owner.SelectedObject);
if (declaringObject == null)
{
return(null);
}
Type declaringType = declaringObject.GetType();
Editor editor = FindCategoryEditor(declaringType, categoryItem.Name);
if (editor != null)
{
return(editor);
}
editor = GetCategoryEditorByAttributes(declaringType, categoryItem.Name);
if (editor != null)
{
return(editor);
}
return(new CategoryEditor(declaringType, categoryItem.Name, EditorKeys.DefaultCategoryEditorKey));
}
/// <summary>
/// Gets the editor.
/// </summary>
/// <param name="propertyItem">The property item.</param>
/// <returns>Editor for Property</returns>
public Editor GetEditor(PropertyItem propertyItem)
{
if (propertyItem == null)
{
throw new ArgumentNullException("propertyItem");
}
Editor editor;
if (propertyItem.Attributes != null)
{
editor = GetPropertyEditorByAttributes(propertyItem.Attributes);
if (editor != null)
{
return(editor);
}
}
if (propertyItem.Component != null && !string.IsNullOrEmpty(propertyItem.Name))
{
object declaringObject = ObjectServices.GetUnwrappedObject(propertyItem.Owner.SelectedObject);
editor = FindPropertyEditor(declaringObject.GetType(), propertyItem.Name);
if (editor != null)
{
return(editor);
}
}
bool hasType = propertyItem.PropertyType != null;
var context = new TypeDescriptorContext(propertyItem);
var hasExclusiveStandardValues = propertyItem.Converter.GetStandardValuesExclusive(context);
if (hasType)
{
editor = FindTypeEditor(propertyItem.PropertyType);
if (editor != null)
{
return(editor);
}
}
if (propertyItem.PropertyValue.HasSubProperties)
{
if (hasExclusiveStandardValues)
{
var standardValues = propertyItem.Converter.GetStandardValues(context);
return(new TypeEditor(propertyItem.PropertyType, EditorKeys.ComplexPropertyEnumEditorKey));
}
return(new TypeEditor(propertyItem.PropertyType, EditorKeys.ComplexPropertyEditorKey));
}
if (hasType)
{
foreach (var cachedEditor in Cache)
{
if (cachedEditor.Key.IsAssignableFrom(propertyItem.PropertyType))
{
return(cachedEditor.Value);
}
}
if (hasExclusiveStandardValues)
{
try
{
var standardValues = propertyItem.Converter.GetStandardValues(context);
return(new TypeEditor(propertyItem.PropertyType, EditorKeys.EnumEditorKey));
}
catch (NotImplementedException)
{
/* failed to get standardValues. Not an Enum? */
}
}
return(new TypeEditor(propertyItem.PropertyType, EditorKeys.DefaultEditorKey));
}
return(null);
}
/// <summary>
/// Gets the serialization culture.
/// </summary>
/// <returns>Culture to serialize value.</returns>
protected virtual CultureInfo GetSerializationCulture()
{
return ObjectServices.GetSerializationCulture(_property.PropertyType);
}