How do I bind to the active class of a link using the new Ember router?

Question

I\'m using Twitter Bootstrap for navigation in my Ember.js app. Bootstrap uses an active class on the li tag that wraps navigation links, rather th

Answer 1

Building on katz' answer, you can have the active property be recomputed when the nav element's parentView is clicked.

App.NavView = Em.View.extend({

    tagName: 'li',
    classNameBindings: 'active'.w(),

    didInsertElement: function () {
        this._super();
        var _this = this;
        this.get('parentView').on('click', function () {
            _this.notifyPropertyChange('active');
        });
    },

    active: function () {
        return this.get('childViews.firstObject.active');
    }.property()
});