Merge from branch giga

StgSharp.Model/Step/Items/StepPlane.cs

@@ -28,29 +28,35 @@
 //     
 //-----------------------------------------------------------------------
 //-----------------------------------------------------------------------
-
+using StgSharp.Geometries;
+using StgSharp.Model.Step;
 using StgSharp.Script;
 using StgSharp.Script.Express;
 
-namespace StgSharp.Modeling.Items
+namespace StgSharp.Model.Step
 {
-    public class StepPlane : StepElementarySurface
+    public class StepPlane : StepElementarySurface, IExpConvertableFrom<StepPlane>
     {
 
-        private StepPlane() : base() { }
+        public StepPlane( StepModel model ) : base( model ) { }
 
-        public StepPlane( string name, StepAxis2Placement3D position ) : base( name, position ) { }
+        public StepPlane( StepModel model, StepAxis2Placement3D position )
+            : base( model, position ) { }
 
         public override StepItemType ItemType => StepItemType.Plane;
 
-        internal static StepPlane CreateFromSyntaxList( StepBinder binder, ExpNode syntaxList )
+        public void FromInstance( StepPlane entity )
         {
-            ExpNodeNextEnumerator enumerator = new ExpNodeNextEnumerator( syntaxList );
-            StepPlane plane = new StepPlane();
+            base.FromInstance( entity );
+        }
+
+        internal static StepPlane FromSyntax( StepModel binder, ExpSyntaxNode syntaxList )
+        {
+            ExpNodePresidentEnumerator enumerator = new ExpNodePresidentEnumerator( syntaxList );
+            StepPlane plane = new StepPlane( binder );
             enumerator.AssertEnumeratorCount( 2 );
-            plane.Name = enumerator.Values[ 0 ].CodeConvertTemplate;
-            binder.BindValue(
-                enumerator.Values[ 1 ], v => plane.Position = v.AsType<StepAxis2Placement3D>() );
+            plane.Name = ( enumerator[ 0 ]as ExpStringNode )!.Value;
+            plane.Position = binder[ enumerator[ 1 ] ] as StepAxis2Placement3D;
             return plane;
         }