public override void OnAddMaterialButtonClicked()
 {
     if (_view.SelectedNorm != -1)
     {
         var currentNorm = GetCurrentNorm();
         var modifyMaterialForm = new MaterialModificationForm(currentNorm, MaterialType.AdditionalMaterial);
         modifyMaterialForm.ShowDialog();
         Init();
     }
 }
        public override void OnEditMaterialButtonClicked()
        {
            if (_view.SelectedNorm != -1)
            {
                var currentNorm = GetCurrentNorm();
                var material = GetSelectedMaterial();
                if (material == null)
                    return;

                var modifyMaterialForm = new MaterialModificationForm(currentNorm, material, MaterialType.BaseMaterial);
                modifyMaterialForm.ShowDialog();
                Init();
            }
        }