Ability to cancel nodes implemented

js/input/KeyboardCanc.js

@@ -0,0 +1,14 @@
+import KeyboardShortcut from "./KeyboardShortcut";
+
+
+export default class KeyvoardCanc extends KeyboardShortcut {
+
+    constructor(target, blueprint, options = {}) {
+        options.key = "Delete"
+        super(target, blueprint, options)
+    }
+
+    fire() {
+        this.blueprint.deleteNode(...this.blueprint.getNodes(true))
+    }
+}

js/input/KeyboardShortcut.js

@@ -2,7 +2,7 @@ import Context from "./Context"
 
 export default class KeyboardShortcut extends Context {
 
-    constructor(target, blueprint, options) {
+    constructor(target, blueprint, options = {}) {
         options.wantsFocusCallback = true
         super(target, blueprint, options)
 
@@ -15,7 +15,6 @@ export default class KeyboardShortcut extends Context {
 
         let self = this
         this.keyDownHandler = e => {
-            e.preventDefault()
             if (
                 e.code == self.key
                 && e.ctrlKey === self.ctrlKey

js/input/MouseClickDrag.js

@@ -86,7 +86,7 @@ export default class MouseClickDrag extends Pointing {
         this.target.removeEventListener("mousedown", this.mouseDownHandler)
         if (this.clickButton == 2) {
             this.target.removeEventListener("contextmenu", this.preventDefault)
-        } blueprintunfocusHandler
+        }
     }
 
     /* Subclasses will override the following methods */