| /* Based on https://ryankaskel.com/blog/2013/05/27/ |
| a-different-approach-to-angularjs-navigation-menus */ |
| |
| module.exports = function($location) { |
| return { |
| restrict: 'EA', |
| scope: {}, |
| link: function(scope, element, attrs) { |
| var links = element.find('a') |
| var onClass = attrs.navMenu || 'current' |
| var urlMap = [] |
| var routePattern, link, url |
| |
| if (!$location.$$html5) { |
| routePattern = /\/#[^/]*/ |
| } |
| |
| for (var i = 0; i < links.length; i++) { |
| link = angular.element(links[i]) |
| url = link.attr('ng-href') |
| |
| // Remove angular route expressions |
| url = url.replace(/\/{{.*}}/g, '') |
| |
| if ($location.$$html5) { |
| urlMap.push({url: url, link: link}) |
| } else { |
| urlMap.push({url: url.replace(routePattern, ''), link: link}) |
| } |
| } |
| |
| function activateLink() { |
| |
| var location = $location.path() |
| var pathLink = '' |
| |
| for (var i = 0; i < urlMap.length; ++i) { |
| if (location.search(urlMap[i].url) !== -1) { |
| pathLink = urlMap[i].link |
| } |
| } |
| |
| // Remove all active links |
| for (var j = 0; j < links.length; j++) { |
| link = angular.element(links[j]) |
| link.removeClass(onClass) |
| } |
| |
| if (pathLink) { |
| pathLink.addClass(onClass) |
| } |
| } |
| |
| activateLink() |
| scope.$on('$routeChangeStart', activateLink) |
| } |
| } |
| } |
