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I'm new be in angular. I want to know before viewDashboard controller will unload and I'm not sure how I can detect that.
Basicali after click an item from left menu Template.fn_change_view() changing Template.active_view to active view name e.g. 'dashboard' and it show/hide some view- element directives.
But after that code written inside inactive directive controller not execute any more. Before that happen I need to execute one function from this inactive controller. Is there any way to do that?
I hope I write that clear enough, if not I will try to explain better.
HTML:
index.html
<body class="template" ng-controller="TemplateController as Template" ng-class="{'on': Template.loged_in}">
<div class="mainFlexCont">
<left-menu class="menuFlexCont menu" ng-class="{'open': Menu.isMenuOpen}"></left-menu>
<!-- dashboard is visible only when Template.active_view is equal to 'dashboard' -->
<view-dashboard class="contentFlexCont" ng-if="Template.fn_active_view('dashboard')"></view-dashboard>
<!-- ... -->
</div>
<!-- ... -->
</body>
left-menu.html loaded by leftMenu directive
<ul class="leftMenu">
<li>
<a class="toggleLeft" ng-click="Menu.isMenuOpen = !Menu.isMenuOpen" href>
<i class="fa fa-bars"></i> Toggle Menu
</a>
</li>
<!-- view change by clicking one of list items -->
<li ng-repeat="item in Menu.obj_items" ng-click="Template.fn_change_view(item.active)" ng-class="{'active' : Template.fn_active_view(item.active)}">
<a href>
<i class="fa {{item.icon}}"></i> {{item.label}}
</a>
</li>
</ul>
dashboard.html - loaded by viewDashboard directive
<div class="row">
<div class="col-xs-12">
<h1>Dashboard</h1>
</div>
</div>
<div class="row">
<div class="col-lg-7">
<chart-yearly class="chart"></chart-yearly>
</div>
</div>
JS:
chartYearly directive
app.directive('chartYearly', function () {
return{
restrict: 'E',
templateUrl: 'views/chart-yearly.html',
controller: function ($scope) {
// how I can detect here before Yearly controler will be unloaded?
// when Template.active_view will change to different than dashboard
$scope.$watch('Template.active_view', function () {
// I need to execute this when this directive is active either before is unloaded
console.log(2);
});
},
controllerAs: 'Yearly'
};
661
Scopes emit a $destroy event. See events section in the angular docs.
$scope.$on('$destroy', function() {
// clean up stuff
})
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