public override IEnumerable <CompletionItem> GetProperties(string objectName, IEnumerable <string> path)
{
var prefix = PrefixWithColon;
if (prefix != null)
{
if (!objectName.StartsWith(prefix))
{
yield break;
}
objectName = objectName.Substring(prefix.Length);
}
var fullName = Namespace + "." + objectName;
var type = Assembly.GetType(fullName, false);
if (type != null)
{
foreach (var prop in type.GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
if (prop.SetMethod == null || !prop.SetMethod.IsPublic)
{
continue;
}
if (prop.GetCustomAttribute <ObsoleteAttribute>() != null)
{
continue;
}
var underlyingType = Nullable.GetUnderlyingType(prop.PropertyType);
var suffix = underlyingType != null ? underlyingType.Name + "?" : prop.PropertyType.Name;
// todo: get friendly names for generic types
yield return(new CompletionItem
{
Name = prop.Name,
Suffix = suffix,
Description = XmlComments.GetSummary(prop),
Type = CompletionType.Property
});
}
foreach (var evt in type.GetEvents(BindingFlags.Public | BindingFlags.Instance))
{
yield return(new CompletionItem
{
Name = evt.Name,
Description = XmlComments.GetSummary(evt),
Type = CompletionType.Event
});
}
}
}
public override IEnumerable <CompletionItem> GetClasses(IEnumerable <string> path, Func <Type, bool> filter)
{
var prefixWithColon = PrefixWithColon;
string contentProperty;
var nodeType = GetNodeType(path.LastOrDefault(), out contentProperty);
var contentType = GetContentType(nodeType, contentProperty);
var types = GetExportedTypes();
if (filter != null)
{
foreach (var result in types.Where(filter))
{
// special case, don't allow windows as a child control
if (contentType != null &&
typeof(Window).IsAssignableFrom(result))
{
continue;
}
yield return(new CompletionItem
{
Name = prefixWithColon + result.Name,
Description = XmlComments.GetSummary(result),
Type = CompletionType.Class
});
}
}
if (contentType != null &&
!contentType.IsAbstract &&
!types.Contains(contentType) &&
contentType.Assembly == Assembly)
{
yield return new CompletionItem
{
Name = prefixWithColon + contentType.Name,
Description = XmlComments.GetSummary(contentType),
Type = CompletionType.Class
}
}
;
if (nodeType != null)
{
yield return(new CompletionItem
{
Name = prefixWithColon + nodeType.Name + ".",
Description = "Add a property tag",
Type = CompletionType.Property
});
}
}
Type GetNodeType(string last, out string propertyName)
{
propertyName = null;
var prefix = PrefixWithColon;
if (!string.IsNullOrEmpty(prefix))
{
if (!last.StartsWith(prefix))
{
return(null);
}
last = last.Substring(prefix.Length);
}
else if (last.Contains(':'))
{
return(null);
}
if (string.IsNullOrEmpty(last))
{
return(null);
}
var dotIndex = last.IndexOf('.');
if (dotIndex > 0)
{
propertyName = last.Substring(dotIndex + 1);
last = last.Substring(0, dotIndex);
}
last = Namespace + "." + last;
var types = GetExportedTypes();
return(types.FirstOrDefault(r => r.FullName == last));
}
Type GetContentType(Type type, string propertyName)
{
if (type != null)
{
if (string.IsNullOrEmpty(propertyName))
{
var contentProperty = type.GetCustomAttribute <ContentPropertyAttribute>();
if (contentProperty != null)
{
propertyName = contentProperty.Name;
}
}
if (!string.IsNullOrEmpty(propertyName))
{
var prop = type.GetProperty(propertyName);
if (prop != null)
{
var propType = prop.PropertyType;
if (typeof(IList).IsAssignableFrom(propType))
{
var list = propType.GetInterfaces().FirstOrDefault(r => r.IsGenericType && r.GetGenericTypeDefinition() == typeof(IList <>));
if (list != null)
{
return(list.GenericTypeArguments[0]);
}
}
return(prop.PropertyType);
}
}
}
return(null);
}
public override IEnumerable <CompletionItem> GetPropertyValues(string objectName, string propertyName, IEnumerable <string> path)
{
var prefix = PrefixWithColon;
if (prefix != null)
{
if (!objectName.StartsWith(prefix))
{
yield break;
}
objectName = objectName.Substring(prefix.Length);
}
var fullName = Namespace + "." + objectName;
var type = Assembly.GetType(fullName, false);
if (type != null)
{
var prop = type.GetRuntimeProperty(propertyName);
if (prop != null)
{
var propertyType = Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType;
if (propertyType == typeof(bool))
{
yield return(new CompletionItem {
Type = CompletionType.Literal, Name = "True"
});
yield return(new CompletionItem {
Type = CompletionType.Literal, Name = "False"
});
}
else if (propertyType == typeof(Color))
{
foreach (var col in typeof(Colors).GetProperties(BindingFlags.Static | BindingFlags.Public).Where(r => r.PropertyType == typeof(Color)))
{
yield return(new CompletionItem {
Type = CompletionType.Literal, Name = col.Name
});
}
yield return(new CompletionItem {
Type = CompletionType.Literal, Name = "#FFFFFF"
});
yield return(new CompletionItem {
Type = CompletionType.Literal, Name = "#FFFFFFFF"
});
}
else if (propertyType.IsEnum)
{
foreach (var name in Enum.GetNames(propertyType))
{
yield return(new CompletionItem
{
Type = CompletionType.Literal,
Name = name,
Description = XmlComments.GetEnum(prop, name)
});
}
}
}
}
}