Implemented "goto subscription".

TODO:
 * Neither navigation with arrows nor selection with ENTER implemented,
   must click a subscription.

src/main/webapp/js/controllers.js

@@ -556,6 +556,26 @@ function($scope, $http, $state, $stateParams, $route, $location,
 	};
 }]);
 
+module.controller('FeedCtrl', ['$scope', '$state', 'CategoryService',
+function($scope, $state, CategoryService) {
+	$scope.CategoryService = CategoryService;
+	$scope.feedSearchModal = false;
+
+	$scope.goToFeed = function(id) {
+		$state.transitionTo('feeds.view', {_type : 'feed', _id : id});
+		$scope.feedSearchModal=false;
+		$scope.feedFilter='';
+	};
+
+	Mousetrap.bind('g u', function(e) {
+		$scope.$apply(function() {
+			$scope.feedSearchModal = true;
+		});
+		return false;
+	});
+
+}]);
+
 module.controller('FeedListCtrl', ['$scope', '$stateParams', '$http', '$route', 
 	'$window', 'EntryService', 'SettingsService', 'FeedService', 'CategoryService', 'AnalyticsService',
 function($scope, $stateParams, $http, $route, $window, EntryService, SettingsService, FeedService, CategoryService, AnalyticsService) {

src/main/webapp/js/services.js

@@ -131,6 +131,27 @@ function($resource, $http) {
 		}
 		return array;
 	};
+	var traverse = function(fn, category, parentName) {
+		var subs = [];
+		fn(category, parentName);
+		var children = category.children;
+		for ( var c = 0; c < children.length; c++) {
+			traverse(fn, children[c], category.name);
+		}
+		return subs;
+	};
+	var flatfeeds = function(category) {
+		// TODO: This is a bit silly: We flatten the hierarchical list of
+		// subscriptions which was build from the flat list of subscriptions
+		// in CategoryREST.getSubscriptions(). It would be nice to have
+		// direct access to feedSubscriptionDAO.findAll().
+		var subs = [];
+		var cb = function(category) {
+			subs.push.apply(subs, category.feeds);
+		};
+		traverse(cb, category);
+		return subs;
+	};
 	var actions = {
 		get : {
 			method : 'GET',
@@ -178,11 +199,13 @@ function($resource, $http) {
 	var res = $resource('rest/category/:_method', {}, actions);
 	res.subscriptions = {};
 	res.flatCategories = {};
+	res.feeds = [];
 
 	res.init = function(callback) {
 		res.get(function(data) {
 			res.subscriptions = data;
 			res.flatCategories = flatten(data);
+			res.feeds = flatfeeds(data);
 			if (callback)
 				callback(data);
 		});