Trigger event on Form Rendering completed

render-complete.js

angular.controller('renderComplete', [
  '$scope',
  'FormioUtils', 
  function(
    $scope,
    FormioUtils
  ) {
    var renderComplete = function() {
      $scope.$emit('formRenderComplete');
    };

    var numRendered = 0;
    var numComponents = 0;
    $scope.$on('formElementRender', function(event, element) {
      numRendered++;
      if (numComponents && (numComponents === numRendered)) {
        renderComplete();
      }
    });

    $scope.$on('formLoad', function(event, form) {
      FormioUtils.eachComponent(form.components, function() {
        numComponents++;
      }, true);
      if (numComponents && (numComponents === numRendered)) {
        renderComplete();
      }
    });
  }
);