From 880569196a9e50ab00675baebe712bb8ebc3aef8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elo=C3=ADzio=20Salgado?= <eloisalgado@gmail.com>
Date: Tue, 15 Nov 2016 15:44:10 -0200
Subject: [PATCH] LT-335: Add loading screen prior to display in Viewer

---
 Packages/ohif-study-list/client/lib/switchToTab.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Packages/ohif-study-list/client/lib/switchToTab.js b/Packages/ohif-study-list/client/lib/switchToTab.js
index 59c0760a6..e5946d7ff 100644
--- a/Packages/ohif-study-list/client/lib/switchToTab.js
+++ b/Packages/ohif-study-list/client/lib/switchToTab.js
@@ -61,6 +61,13 @@ switchToTab = function(contentId) {
         return;
     }
 
+    var container = $('.tab-content').find('#viewerTab').get(0);
+    container.innerHTML = '';
+
+    // Use Blaze to render the Loading Template into the container
+    // viewStudiesInTab will clear this container
+    Blaze.renderWithData(Template.loadingText, {}, container);
+
     var studies = ViewerData[contentId].studies;
 
     if (studies) {
@@ -74,6 +81,7 @@ switchToTab = function(contentId) {
         // Attempt to retrieve the meta data (it might be cached)
         OHIF.studylist.getStudiesMetadata(studyInstanceUids, function(studies) {
             viewStudiesInTab(contentId, studies);
+            Session.set('GettingStudyMetadata', false);
         });
     }
 };