Edit Grid: Implementing emitting add row event

Author: Alena-Levina

Changelog.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+### Added
+ - Emitting Edit Grid event for row addition
+
 ## 3.1.3
 ### Fixed
  - Problem with the PDFBuilder component where it would remove listeners for the drag-and-drop components.

src/components/editgrid/EditGrid.js

@@ -281,6 +281,11 @@ export default class EditGridComponent extends NestedComponent {
       isOpen: true,
       data: {}
     });
+    const rowInfo = {
+      component: this.component,
+      row: this.editRows[this.editRows.length - 1]
+    };
+    this.emit('editGridAddRow', rowInfo);
     this.buildTable();
   }