Николай

<a href="/#!/elements/{{ element.id }}/list" ng-click="Ctrl.treeNavigate(element)">
    {{ element.name }}
</a>

(function () { 'use strict';

    var sbInput = function () { return {
        restrict: 'E',
        scope: {
            variable: '='
        },
        templateUrl: '/templates/sb-input.html',
        link: function(scope) {
            console.log(scope);
            scope.up = function ()   { scope.variable.opt.value += scope.variable.opt.step; };
            scope.down = function () { scope.variable.opt.value -= scope.variable.opt.step; };
        }
    };};

    angular
        .module('myApp')
        .directive('sbInput', sbInput);

})();

<div class="sb">
    <div class="sb-arrow sb-up" ng-click="up()"><i class="fl-up-arrow"></i></div>
    <input type="number" min="{{ variable.opt.min }}" max="{{ variable.opt.max }}" step="{{ variable.opt.step }}" ng-model="variable.opt.value">
    <div class="sb-arrow sb-down" ng-click="down()"><i class="fl-down-arrow-2"></i></div>
</div>

angular
    .module('test', [])
    .controller('first', function ($scope) {
        $scope.somevar = 'Lorem';   // -> Эту переменную
    })
    .directive('one', function () {
        restrict: 'A',
        link: function (scope) {
            console.log(scope.somevar); // <- Получить здесь
        }
    });

<ul>
    <li ng-repeat="object in obj.items track by $index">
        <input type="text" ng-model="obj.items[$index]">
    </li>
</ul>