protected bool IsEqual()
{
CompareDrawerAttribute attr = GetAttr <CompareDrawerAttribute>();
if (string.IsNullOrEmpty(attr.MemberName))
{
return(true);
}
object comparedValue = NativeDrawerUtility.GetMemberValue(attr.MemberName, Target);
if (comparedValue == null && attr.Value == null)
{
return(true);
}
if (comparedValue == null || attr.Value == null)
{
return(false);
}
if (comparedValue.GetType() != attr.Value.GetType())
{
return(false);
}
if (TypeUtility.IsCastableTo(comparedValue.GetType(), typeof(IComparable)))
{
int compared = ((IComparable)comparedValue).CompareTo((IComparable)attr.Value);
if (compared == 0)
{
if (attr.Symbol == CompareSymbol.Gte || attr.Symbol == CompareSymbol.Lte || attr.Symbol == CompareSymbol.Eq)
{
return(true);
}
else
{
return(false);
}
}
else
{
if (attr.Symbol == CompareSymbol.Neq)
{
return(true);
}
else if (attr.Symbol == CompareSymbol.Eq)
{
return(false);
}
if (compared > 0 && (attr.Symbol == CompareSymbol.Gt || attr.Symbol == CompareSymbol.Gte))
{
return(true);
}
else if (compared < 0 && (attr.Symbol == CompareSymbol.Lt || attr.Symbol == CompareSymbol.Lte))
{
return(true);
}
else
{
return(false);
}
}
}
else
{
bool result = comparedValue == attr.Value;
if (result && (attr.Symbol == CompareSymbol.Eq || attr.Symbol == CompareSymbol.Lte || attr.Symbol == CompareSymbol.Gte))
{
return(true);
}
else if (!result && (attr.Symbol == CompareSymbol.Neq))
{
return(true);
}
else
{
return(false);
}
}
}
protected CompareAttrNativeDrawer(object target, CompareDrawerAttribute attr) : base(attr)
{
Target = target;
}
