6345 alert rework

Fixed #6345

javascript/src/Alert.js

@@ -113,6 +113,7 @@ var QfqNS = QfqNS || {};
         this.fadeOutDuration = 400;
         this.timerId = null;
         this.parent = {};
+        this.identifier = false;
 
         this.eventEmitter = new EventEmitter();
     };
@@ -133,9 +134,14 @@ var QfqNS = QfqNS || {};
         if (!n.QfqPage.alertManager) {
             n.QfqPage.alertManager = new n.AlertManager({});
         }
+
         return n.QfqPage.alertManager;
     };
 
+    n.Alert.prototype.setIdentifier = function (i) {
+        this.identifier = i;
+    };
+
     /**
      *
      * @returns {number|jQuery}
@@ -225,12 +231,13 @@ var QfqNS = QfqNS || {};
         }
 
         this.parent = this.makeAlertContainerSingleton();
+        this.parent.addAlert(this);
 
         if (this.modal) {
             this.$modalDiv = $("<div>", {
                 class: "removeMe"
             });
-            this.parent.createBlockScreen();
+            this.parent.createBlockScreen(this);
         }
 
         if (this.messageTitle) {
@@ -325,6 +332,7 @@ var QfqNS = QfqNS || {};
                 that.removeAlertContainer();
             });
         }
+        this.parent.removeAlert(this.identifier);
     };
 
     /**