Pass the $scope object from a controller to a modal controller

I am facing an issue with transferring the $scope variable from ctrlone to ctrltwo, which is a modal window on my page.

When I open the modal in ctrlone, my code looks like this:

 var modalInstance = $modal.open({
        templateUrl: 'Modal.html',
        windowClass: 'ModalWidth',
        $scope: function() {
            var scope = $scope;
}(),
controller: "ctrltwo" });

The controller for ctrltwo is as follows:

.controller('ctrltwo', ["$scope", "$modal","itTransport", function ($scope, $modal,transport) {
var test = $scope;
}])

However, it seems that the $scope variable is not being successfully copied over. Any ideas on how to resolve this issue?

javascriptangularjsangularjs-scopebootstrap-modal

Answer №1

One way to pass the entire $scope is by including it directly in the modal instance setup:

var modalInstance = $modal.open({
    templateUrl: 'template.html',
    controller: 'MyModalCtrl',
    scope: $scope
});

However, if you only need certain parameters from the $scope object, it's recommended to use resolve:

var modalInstance = $modal.open({
    templateUrl: 'template.html',
    controller: 'MyModalCtrl',
    resolve: {
        variableToPass: function () {
            return $scope.items;
        }
    }
});

Your modal controller should then be defined like this:

myApp.controller('MyModalCtrl', ['$scope', '$modalInstance'', 'variableToPass', function($scope, $modalInstance, variableToPass) {
    ...
}]);

Answer №2

Take a look at this snippet:

$scope: function() {
   var scope = $scope;
}()

...can be simplified to:

$scope: undefined

This is because in JavaScript, when a function lacks a return statement, it automatically returns undefined.

It's worth noting that the $modal.open() method does not accept an option labeled $scope. Check out the list of available options for $modal.open() in the Modal section on this page:

http://angular-ui.github.io/bootstrap/

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