/**
 * Router for track browser.
 */
var TrackBrowserRouter = Backbone.Router.extend({    
    initialize: function(options) {
        this.view = options.view;
        
        // Can't put regular expression in routes dictionary.
        // NOTE: parentheses are used to denote parameters returned to callback.
        this.route(/([\w]+)$/, 'change_location');
        this.route(/([\w]+\:[\d,]+-[\d,]+)$/, 'change_location');
        
        // Handle navigate events from view.
        var self = this;
        self.view.on("navigate", function(new_loc) {
            self.navigate(new_loc);
        });
    },
    
    change_location: function(new_loc) {
        this.view.go_to(new_loc);
    }
});