public static DrawerInfo GetDrawerMethod(Type type)
{
DrawerInfo drawerInfo;
if (!m_drawerMethodsCache.TryGetValue(type, out drawerInfo))
{
drawerInfo = new DrawerInfo()
{
Drawer = null, CopyOp = null, IsNullable = false
};
foreach (var drawerClass in m_drawerClasses)
{
var methods = drawerClass.GetMethods(BindingFlags.Public | BindingFlags.Static);
foreach (var method in methods)
{
if (method.GetCustomAttributes <InspectorDrawerAttribute>().FirstOrDefault(attribute => attribute.Match(type)) != null)
{
drawerInfo.Drawer = method;
FindDrawerResult(ref drawerInfo, drawerClass);
m_drawerMethodsCache.Add(type, drawerInfo);
break;
}
}
if (drawerInfo.Drawer != null)
{
break;
}
}
}
return(drawerInfo);
}
public static void FindDrawerResult(ref DrawerInfo info, Type drawerClass)
{
if (info.Drawer == null)
{
return;
}
var resultAttribute = info.Drawer.GetCustomAttribute <InspectorDrawerResultAttribute>();
if (resultAttribute == null)
{
return;
}
info.IsNullable = resultAttribute.IsNullable;
info.CopyOp = drawerClass.GetMethod(info.Drawer.Name + "CopyOp", BindingFlags.Public | BindingFlags.Static);
}
private static Type GetDrawerCore(Type fieldType)
{
if (_drawerMap == null)
{
_drawerMap = new Dictionary <Type, DrawerInfo>();
IEnumerable <Type> drawers = from assembly in AppDomain.CurrentDomain.GetAssemblies()
from t in assembly.GetTypes()
where t.IsSubclassOf(typeof(DataDrawer))
select t;
foreach (Type drawer in drawers)
{
IEnumerable <CustomDataDrawerAttribute> drawnTypes =
from attr in drawer.GetCustomAttributes(typeof(CustomDataDrawerAttribute), false)
select attr as CustomDataDrawerAttribute;
foreach (CustomDataDrawerAttribute drawn in drawnTypes)
{
_drawerMap.Add(drawn.Type, new DrawerInfo {
DrawerType = drawer, Attr = drawn
});
}
}
}
DrawerInfo output = null;
Type drawnType = fieldType;
do
{
} while ((drawnType != null) &&
!((_drawerMap.TryGetValue(drawnType, out output) &&
((fieldType == drawnType) ||
output.Attr.UseForSubclass)) ||
((drawnType = drawnType.BaseType) == null))
);
if ((output == null) &&
fieldType.IsEnum)
{
if (fieldType.GetCustomAttributes(typeof(FlagsAttribute), false).Any())
{
return(typeof(EnumMaskDrawer));
}
return(typeof(EnumDrawer));
}
return(output?.DrawerType);
}