Mergin better performance branch

js/element/SelectorElement.js

@@ -1,38 +1,47 @@
-// @ts-check
-
 import FastSelectionModel from "../selection/FastSelectionModel"
-import IElement from "./IElement"
+import IFromToPositionedElement from "./IFromToPositionedElement"
 import SelectorTemplate from "../template/SelectorTemplate"
 
 /**
- * @extends {IElement<Object, SelectorTemplate>}
+ * @extends {IFromToPositionedElement<Object, SelectorTemplate>}
  */
-export default class SelectorElement extends IElement {
+export default class SelectorElement extends IFromToPositionedElement {
 
     constructor() {
         super({}, new SelectorTemplate())
         this.selectionModel = null
     }
-
     /**
      * @param {Number[]} initialPosition
      */
-    startSelecting(initialPosition) {
-        this.template.applyStartSelecting(this, initialPosition)
-        this.selectionModel = new FastSelectionModel(initialPosition, this.blueprint.getNodes(), this.blueprint.nodeBoundariesSupplier, this.blueprint.nodeSelectToggleFunction)
+    beginSelect(initialPosition) {
+        this.blueprint.selecting = true
+        this.setBothLocations(initialPosition)
+        this.selectionModel = new FastSelectionModel(
+            initialPosition,
+            this.blueprint.getNodes(),
+            this.blueprint.nodeBoundariesSupplier,
+            this.blueprint.nodeSelectToggleFunction
+        )
     }
 
     /**
      * @param {Number[]} finalPosition
      */
-    doSelecting(finalPosition) {
-        this.template.applyDoSelecting(this, finalPosition)
-        this.selectionModel.selectTo(finalPosition)
+    selectTo(finalPosition) {
+        /** @type {FastSelectionModel} */ (this.selectionModel)
+            .selectTo(finalPosition)
+        this.finaPositionX = finalPosition[0]
+        this.finaPositionY = finalPosition[1]
     }
 
-    finishSelecting() {
-        this.template.applyFinishSelecting(this)
+    endSelect() {
+        this.blueprint.selecting = false
         this.selectionModel = null
+        this.initialPositionX = 0
+        this.initialPositionY = 0
+        this.finaPositionX = 0
+        this.finaPositionY = 0
     }
 }