javascript - Angular $broadcast called inside ng-repeat fires multiple times -

i have nested forms in ng-repeat button click event calls function couple of things including $scope.$broadcast. in function triggers once except broadcast triggers on per item in ng-repeat.

i cannot move button outside repeat or lose form , data references. have demo plunker shows basic setup. if enter values 1 of inputs , click next while monitoring console , should see broadcast fire multiple times (once per ng-repeat item). need way have broadcast fire once while still maintaining reference form validation checking per demo code.

here js , rest in plunker:

(function () { var app = angular.module('app', []),   /** manually triggers $validate event validate given form */ isformvalid = function ($scope, ngform) {   var = null;   //$scope.$emit('$validate');   $scope.$broadcast('$validate');    if(! ngform.$invalid) {     return true;   } else {     // make form fields '$dirty' validation messages shown     ngform.$dirty = true;      for(i in ngform) {       if(ngform[i] && ngform[i].hasownproperty && ngform[i].hasownproperty('$dirty')) { // todo: 'field.$invalid' test required?         ngform[i].$dirty = true;       }     }   } };  app.controller('appctrl', ['$scope', function ($scope) {       $scope.wizardstep = 1;     $scope.nextstep = function () {       var ngform = $scope['stepform_' + $scope.wizardstep];       if(isformvalid($scope, ngform)) { // trigger manual validation         $scope.wizardstep++;       }     };     $scope.prevstep = function () {       $scope.wizardstep--;     };     $scope.submit = function () {       var ngform = $scope['stepform_' + $scope.wizardstep]; // can make line common       if(isformvalid($scope, ngform)) {         alert('form valid. submitting...');       }     };    }]); })(); 

any or ideas appreciated , know things styles in html , other aspects of demo code no-no's. did plunkr faster.

tia

the event fired once. problem testctrl beeing used 3 times it's catching event 3 times.

you need create separate controllers each step. hack debouncing $on handler if must, create separate controllers logic in common service. or maybe base controller , child controllers (inheritance between them)