Add ViewerBaseSeriesLoaded event

Packages/viewerbase/components/viewer/imageViewerViewport/imageViewerViewport.js

@@ -144,6 +144,16 @@ function loadSeriesIntoViewport(data) {
     var endLoadingHandler = cornerstoneTools.loadHandlerManager.getEndLoadHandler();
     var errorLoadingHandler = cornerstoneTools.loadHandlerManager.getErrorLoadingHandler();
 
+    // Fire an event to give notice that a new series was loaded in the viewport
+    var eventType = "ViewerBaseSeriesLoaded";
+    var eventData = {
+        element: element,
+        stack: stack,
+        study: data.study,
+        series: data.series
+    };
+    $(document).trigger(eventType, eventData);
+
     // Start loading the image.
     cornerstone.loadAndCacheImage(imageId).then(function(image) {
         // If there is a saved object containing Cornerstone viewport data