Merge pull request #21 from MilosMosovsky/master

Option for allow only one message inside growl container
JanStevens · Aug 10, 2014 · 48afd81 · 48afd81
2 parents f793744 + c05208f
commit 48afd81
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diff --git a/README.md b/README.md
@@ -122,6 +122,18 @@ app.config(['growlProvider', function(growlProvider) {
 }]);
 ````
 
+###Limit messages count [default: undefined]
+
+Accept only one X messages inside growl container. Automatically flush collection to limited count on each new message. (Message overriding) . Useful
+when growl is handling messages corresponding to specified element (for example input box inside form) , and you need to show
+specified number of messages (for example 1 ) , very handy for input validation.
+
+````html
+<body>
+    <div growl limit-messages="1"></div>
+</body>
+````
+
 ###Automatic closing of notifications (timeout, ttl) [default: none]
 
 However, you can configure a global timeout (TTL) after which notifications should be automatically closed.  To do this, you have to configure this during config phase of angular bootstrap like this:

diff --git a/src/growlDirective.js b/src/growlDirective.js
@@ -8,7 +8,8 @@ angular.module("angular-growl").directive("growl", ["$rootScope", "$sce",
       replace: false,
       scope: {
         reference: '@',
-        inline: '@'
+        inline: '@',
+        limitMessages : '='
       },
       controller: ['$scope', '$timeout', 'growl',
         function($scope, $timeout, growl) {
@@ -21,6 +22,15 @@ angular.module("angular-growl").directive("growl", ["$rootScope", "$sce",
             $timeout(function() {
               message.text = $sce.trustAsHtml(String(message.text));
 
+
+              if(angular.isDefined($scope.limitMessages))
+              {
+                  var diff = $scope.messages.length - ($scope.limitMessages-1);
+                  if(diff > 0)
+                  {
+                      $scope.messages.splice($scope.limitMessages-1,diff)
+                  }
+              }
               /** abillity to reverse order (newest first ) **/
               if(growl.reverseOrder())
               {