private ControlPropertyMetadata GetPropertyMetadata(IPropertySymbol property)
{
var attribute = property.GetAttributes().FirstOrDefault(a => CheckType(a.AttributeClass, typeof(MarkupOptionsAttribute)));
var metadata = new ControlPropertyMetadata()
{
Type = property.Type,
IsTemplate = CheckType(property.Type, typeof(ITemplate)) || property.Type.AllInterfaces.Any(i => CheckType(i, typeof(ITemplate))),
AllowHtmlContent = property.Type.AllInterfaces.Any(i => CheckType(i, typeof(IControlWithHtmlAttributes)))
};
if (attribute != null)
{
metadata.Name = attribute.NamedArguments.Where(a => a.Key == "Name").Select(a => a.Value.Value as string).FirstOrDefault() ?? property.Name;
metadata.AllowBinding = attribute.NamedArguments.Where(a => a.Key == "AllowBinding").Select(a => a.Value.Value as bool?).FirstOrDefault() ?? true;
metadata.AllowHardCodedValue = attribute.NamedArguments.Where(a => a.Key == "AllowHardCodedValue").Select(a => a.Value.Value as bool?).FirstOrDefault() ?? true;
var mappingMode = (MappingMode)(attribute.NamedArguments.Where(a => a.Key == "MappingMode").Select(a => a.Value.Value as int?).FirstOrDefault() ?? (int)MappingMode.Attribute);
if (mappingMode == MappingMode.InnerElement)
{
metadata.IsElement = true;
}
else if (mappingMode == MappingMode.Exclude)
{
return(null);
}
}
else
{
metadata.Name = property.Name;
metadata.AllowBinding = true;
metadata.AllowHardCodedValue = true;
}
if (metadata.IsTemplate)
{
metadata.IsElement = true;
}
return(metadata);
}
private IEnumerable <CompletionData> GetElementNamesInPropertyContext(ControlPropertyMetadata controlProperty)
{
IEnumerable <CompletionData> filteredControls;
if (CheckType(controlProperty.Type, typeof(ITemplate)))
{
// all controls can appear in a template
filteredControls = metadata.Select(c => new CompletionData(c.Key, c.Key));
}
else
{
// resolve element type
var iEnumerable = CompletionHelper.FindIEnumerableType(controlProperty.Type);
var elementType = iEnumerable != null ? iEnumerable.TypeArguments[0] : controlProperty.Type;
// filter the allControls collection
var filteredControlMetadata = metadata.Where(m => CompletionHelper.IsAssignable(m.Value.Type, elementType));
filteredControls = filteredControlMetadata.Select(c => new CompletionData(c.Key, c.Key));
}
return(filteredControls);
}
internal void GetElementContext(List <string> tagNameHierarchy, out ControlMetadata currentControl, out ControlPropertyMetadata currentProperty)
{
currentProperty = null;
currentControl = null;
for (int i = 0; i < tagNameHierarchy.Count; i++)
{
currentProperty = null;
currentControl = null;
var tagName = tagNameHierarchy[i];
if (metadata.ContainsKey(tagName))
{
// we have found a control
currentControl = metadata[tagName];
// the next element in the hierarchy might be a property
if (i + 1 < tagNameHierarchy.Count)
{
currentProperty = currentControl.Properties.FirstOrDefault(p => p.Name == tagNameHierarchy[i + 1] && p.IsElement);
if (currentProperty != null)
{
i++;
}
}
}
else
{
// HTML or unknown element
currentControl = htmlGenericControlMetadata;
}
}
}