Clear deleted stack/card list after switch (fixes #683)

Signed-off-by: Julius Härtl <jus@bitgrid.net>

js/controller/BoardController.js

@@ -75,9 +75,9 @@ app.controller('BoardController', function ($rootScope, $scope, $stateParams, St
 	};
 
 	$scope.$watch(function() {
-		return $state.current;
-	}, function(currentState) {
-		if(currentState.name === 'board.detail') {
+		return $scope.params.tab;
+	}, function (newTab, oldTab) {
+		if (newTab === 2 && oldTab !== 2) {
 			CardService.fetchDeleted($scope.id);
 			StackService.fetchDeleted($scope.id);
 		}

js/service/ApiService.js

@@ -64,6 +64,7 @@ app.factory('ApiService', function ($http, $q) {
 	ApiService.prototype.fetchDeleted = function (scopeId) {
 		var deferred = $q.defer();
 		var self = this;
+		self.deleted = {};
 		$http.get(this.generateUrl(scopeId + '/' + this.endpoint + '/deleted')).then(function (response) {
 			var objects = response.data;
 			objects.forEach(function (obj) {