add missing insert and delete events to CircularList.splice

src/common/CircularList.ts

@@ -158,6 +158,7 @@ export class CircularList<T> implements ICircularList<T> {
         this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
       }
       this._length -= deleteCount;
+      this.onDeleteEmitter.fire({index: start, amount: deleteCount});
     }
 
     // Add items
@@ -167,6 +168,9 @@ export class CircularList<T> implements ICircularList<T> {
     for (let i = 0; i < items.length; i++) {
       this._array[this._getCyclicIndex(start + i)] = items[i];
     }
+    if (items.length) {
+      this.onInsertEmitter.fire({index: start, amount: items.length});
+    }
 
     // Adjust length as needed
     if (this._length + items.length > this._maxLength) {