Modal Example

controllers.js

function ModalController($scope, $uibModalInstance) {
  
  $scope.data = {};
  $scope.data.form = {};
  
  $scope.close = function() {
    $uibModalInstace.close($scope.data.form);    
  }
  
  $scope.cancel = function() {
    $uibModalInstance.dismiss();
  }
}

function EditController($scope) {
  
  // do stuff with your edit form but make sure it's bound to $scope.data.form,
  // or data.form in your view
}

modal-template.html

<div class="panel panel-default">
  <div class="panel-heading">
    <h3 class="panel-title">
      Some Title
    </h3>
  </div>
  <div class="panel-body">
    <div ng-controller="EditController">
      <!-- do your editing stuff here, maybe via ng-include to reuse your template-->
      <!-- make sure you reference your form via `data.form` -->
    </div>
  </div>
  <div class="modal-footer">
    <button class="btn btn-primary"
            ng-disabled="!data.form.$dirty || data.form.$invalid"
            ng-click="ModalController.save()">
      Save
    </button>
    <button class="btn btn-danger" ng-click="cancel()">Cancel</button>
  </div>
</div>