AngularJS - Enable and disable button

Issue

I have a condition and it is only on selecting an image among the optional images the next button needs to get enabled and also next should not get enabled on last outer select.

The problem here is on selecting the first image, the button is getting enabled and the scope is assigning the value to false and it is not getting true for the second iteration of images. How can I fix this issue?

<div class="col-xs-6 col-md-10 col-lg-7">
    <div ng-repeat="outer in outers track by $index">
        <div ng-if="outer_index== $index">
            <div ng-bind="::outer.label"></div>
            <ul class="list-group">
                 <li class="cursorPointer" ng-repeat="inner in outer.inners | orderBy: 'id'" ng-class="{'selected': getSelectedClass($parent.$index, $index)}" class="deselected">
                     <div class="col-xs-6">
                         <div class="img">
                         <img ng-src="data:image/png;base64,{{inner.base64Icon}}"  alt="{{inner.description}}" title="{{inner.description}}"
                             ng-click="process()">
                         <div class="desc" ng-bind="inner.description"></div></div>
                     </div>
                 </li>
            </ul>
        </div>
    </div>
</div>

<div><button type="button" class="btn btn-info" ng-disabled="outer_index == outers.length -1 || disableNext" ng-click="getNext()">Next</button></div>

In JS code, to activate the button only if,

$scope.disableNext=true;
    $scope.process = function() {
    $scope.disableNext=false;
}

$scope.getNext = function (){
    $scope.outer_index = $scope.outer_index + 1;
    $scope.datas = $scope.outers[$scope.outer_index];
}

NOTE: I tried ng-click="process();disableNext=false;" for this condition won't work within ng-repeat.

Solution

Just set the disableNext to true after selecting next and it works!

$scope.getNext = function() {
    $scope.disableNext=true;
    $scope.outer_index = $scope.outer_index + 1;
    $scope.datas = $scope.outers[$scope.outer_index];
}

Answered By - user3428736