Squashed commit of Preparing for the montage undo-manager: Architecture changes

Reworked the add and remove elements into 1 function which can take 1 or more elements.
Removed the _element from the selection array
Many other changes related to those 2 changes
Undo/Redo shortcuts are now using montage undo/redo manager.

Signed-off-by: Valerio Virgillito <valerio@motorola.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/js/controllers/elements/shapes-controller.js b/js/controllers/elements/shapes-controller.js
index ef453bea..c9164e3e 100755
--- a/js/controllers/elements/shapes-controller.js
+++ b/js/controllers/elements/shapes-controller.js
@@ -72,8 +72,9 @@ exports.ShapesController = Montage.create(CanvasController, {
                     canvas.setAttribute("data-RDGE-id", njModule.NJUtils.generateRandom());
                     canvas.width = el.width;
                     canvas.height = el.height;
-                    this.application.ninja.elementMediator.replaceElement(el, canvas);
-                    NJevent("elementDeleted", el);
+                    canvas.elementModel = el.elementModel;
+                    this.application.ninja.currentDocument.documentRoot.replaceChild(canvas, el);
+                    NJevent("elementsRemoved", el);
                     el = canvas;
                     this.toggleWebGlMode(el, value);
                     el.elementModel.shapeModel.GLWorld.render();