Wijmo 5 [Flex Grid]

Bind radio Button to cell Edit ended and cell Edit Ending event

HTML

<link rel="stylesheet" href="http://cdn.wijmo.com/5.latest/styles/wijmo.min.css">
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.input.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.grid.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/interop/angular/wijmo.angular.min.js"></script>
<div ng-app="app">
        <div ng-controller="appCtrl">
            <wj-flex-grid class="grid" items-source="data" item-formatter="itemFormatter">
                <wj-flex-grid-column name="country" header="ID" binding="country" width="80" is-read-only="true"></wj-flex-grid-column>
                <wj-flex-grid-column name="downloads" header="downloads" binding="downloads"></wj-flex-grid-column>
                <wj-flex-grid-column name="sales" header="sales" binding="sales" width="*"></wj-flex-grid-column>
                <wj-flex-grid-column name="Delete" header="Delete">
                  
                </wj-flex-grid-column>
            </wj-flex-grid>
            Your Selection is {{selection}}
        </div>
    </div>

JavaScript

var app = angular.module('app', ['wj']);
        app.controller('appCtrl', function ($scope, $compile) {
            var countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','), data = [];
            for (var i = 0; i < countries.length; i++) {
                data.push(
                    {
                        country: countries[i],
                        downloads: Math.round(Math.random() * 20000),
                        sales: Math.random() * 10000, expenses: Math.random() * 5000,
                        isProfit: true
                    });
            }
            $scope.data = new wijmo.collections.CollectionView(data);
        
            
            $scope.itemFormatter=function(panel, r, c, cell) {
                if (panel.cellType == wijmo.grid.CellType.Cell) {
                    var col = panel.columns[c],
                        html = cell.innerHTML;
                   
                   
                    if (panel.columns[c].name == "Delete") {   
                    				var html = '<input type="radio" ng-model="selectId" name="radio" value='+r+'>예' + '<input type="radio" ng-model="selectId" name="radio" value='+(r+1)+'>아니오';
                            cell.innerHTML = html;  cell.style.padding = '3px';
                            $compile(cell)($scope);
                        
                            var radio = cell.children[0];
                            console.log(radio);
                        // radio button state change handling
                            radio.onchange = function (e) {
                                panel.grid.startEditing(false, r, c, true);

                                panel.grid.cellEditEnded.addHandler(function (sender, args) {
                                    $scope.selection = $scope.selectId;
                                });

                            }
                        // radio button click
                            radio.onclick = function (e) {
                  ...