Transform2DInspector.cs

gistfile1.cs

[CustomEditor(typeof(Transform))]
public class Transform2DInspector : Editor
{
    public override void OnInspectorGUI()
    {
        // Grab the target transform
        Transform transform = (Transform)target;
        tk2dBaseSprite sprite = transform.gameObject.GetComponent<tk2dBaseSprite>();

        if (sprite != null) 
        {
            // draw a simplified inspector here
            if (GUI.changed)
            {
                Undo.RegisterUndo(new Object[]{transform, sprite}, "Changed Sprite Transform"); // not checked to see if registering for undo also calls SetDirty for us
                EditorUtility.SetDirty(sprite); // SetDirty tells unity to save the component we are editing
            }
        }
        else
        {
            // No sprite, draw the default inspector
            // Note, i think there was some problem with falling through to base.OnInspectorGUI(), 
            // it draws the transform inspector all wrong. you need to recreate the default inspector!
            // see this wiki page http://wiki.unity3d.com/index.php?title=TransformInspector
        }
    }
}