prohibit click blank to close the mode box
Click the delete image button,
After popping up the modal box, click on the blank space,
Modal box closed
function modal(params) {
if (params && params.title && params.body) {
var options = {
+ backdrop: 'static',
controller: 'SimpleModalController as modalCtrl',
templateUrl: path + 'modal/simple-modal.html',
resolve: {
