private void HighlightUsingMethod(Rect position, SerializedProperty property, GUIContent label)
{
var highlightAttribute = attribute as HighlightAttribute;
if (highlightAttribute.Value == null)
{
var message = $"Couldn't find a method called {highlightAttribute.ValidationMethodName}.";
DrawErrorMessage(position, message);
return;
}
System.Object objectInstance = property.GetTargetObjectWithProperty();
var targetMethod = objectInstance.GetAllMethods(m => m.Name
.Equals(highlightAttribute.ValidationMethodName))
.FirstOrDefault();
if (targetMethod == null)
{
var message = "You can't use a null value when using method validation.";
DrawErrorMessage(position, message);
return;
}
if (targetMethod.GetParameters().Length == 0)
{
var message = "The selected method doesn't match the rule of a single boolean parameter.";
DrawErrorMessage(position, message);
return;
}
var highlight = (bool)targetMethod.Invoke(
property.serializedObject.targetObject, new [] { highlightAttribute.Value });
if (highlight)
{
HighlightField(position, property, label);
}
else
{
DrawProperty(position, property, label);
}
}
