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POCan I use ng-model with isolated scope?
 

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    <p>I am creating simple ui-datetime directive. It splits javascript Date object into _date, _hours and _minutes parts. _date uses jquery ui datepicker, _hours and _minutes - number inputs.</p> <pre><code>angular.module("ExperimentsModule", []) .directive("uiDatetime", function () { return { restrict: 'EA', replace: true, template: '&lt;div class="ui-datetime"&gt;' + '&lt;input type="text" ng-model="_date" class="date"&gt;' + '&lt;input type="number" ng-model="_hours" min="0" max="23" class="hours"&gt;' + '&lt;input type="number" ng-model="_minutes" min="0" max="59" class="minutes"&gt;' + '&lt;br /&gt;Child datetime1: {{datetime1}}' + '&lt;/div&gt;', require: 'ngModel', scope: true, link: function (scope, element, attrs, ngModelCtrl) { var elDate = element.find('input.date'); ngModelCtrl.$render = function () { var date = new Date(ngModelCtrl.$viewValue); var fillNull = function (num) { if (num &lt; 10) return '0' + num; return num; }; scope._date = fillNull(date.getDate()) + '.' + fillNull(date.getMonth() + 1) + '.' + date.getFullYear(); scope._hours = date.getHours(); scope._minutes = date.getMinutes(); }; elDate.datepicker({ dateFormat: 'dd.mm.yy', onSelect: function (value, picker) { scope._date = value; scope.$apply(); } }); var watchExpr = function () { var res = scope.$eval('_date').split('.'); if (res.length == 3) return new Date(res[2], res[1] - 1, res[0], scope.$eval('_hours'), scope.$eval('_minutes')); return 0; }; scope.$watch(watchExpr, function (newValue) { ngModelCtrl.$setViewValue(newValue); }, true); } }; }); function TestController($scope) { $scope.datetime1 = new Date(); } </code></pre> <p><a href="http://jsfiddle.net/andreev_artem/nWsZp/3/"><kbd>jsfiddle</kbd></a></p> <p>On github: <a href="https://github.com/andreev-artem/angular_experiments/tree/master/ui-datetime">https://github.com/andreev-artem/angular_experiments/tree/master/ui-datetime</a></p> <p>As far as I understand - best practice when you create a new component is to use isolated scope.</p> <p>When I tried to use isolated scope - nothing works. ngModel.$viewValue === undefined.</p> <p>When I tried to use new scope (my example, not so good variant imho) - ngModel uses value on newly created scope.</p> <p>Of course I can create directive with isolated scope and work with ngModel value through "=expression" (<a href="https://github.com/andreev-artem/angular_experiments/blob/uiDatetime_impl2/ui-datetime/ui-datetime.js">example</a>). But I think that working with ngModelController is a better practice.</p> <p>My questions:</p> <ol> <li>Can I use ngModelController with isolated scope?</li> <li>If it is not possible which solution is better for creating such component?</li> </ol>
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