Implement copy action

src/main/java/ovh/gasser/newshapes/ui/ShapesView.java

@@ -3,6 +3,7 @@ package ovh.gasser.newshapes.ui;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import ovh.gasser.newshapes.ShapeVisitor;
+import ovh.gasser.newshapes.shapes.SCollection;
 import ovh.gasser.newshapes.shapes.Shape;
 
 import javax.swing.*;
@@ -15,7 +16,7 @@ public class ShapesView extends JPanel {
     private final Controller controller;
     private ShapeVisitor draftman;
 
-    public ShapesView(Shape model) {
+    public ShapesView(SCollection model) {
         this.model = model;
         this.controller = new Controller(this, model);
     }