From 39db003dca366bf2c7b3d50397b035470bc9f05f Mon Sep 17 00:00:00 2001
From: Erik Ziegler <erik.ziegler@ulg.ac.be>
Date: Thu, 19 Nov 2015 21:36:03 +0100
Subject: [PATCH] Added basic reloading of series from different studies

---
 .../imageViewerViewports.js                   | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/Packages/viewerbase/components/viewer/imageViewerViewports/imageViewerViewports.js b/Packages/viewerbase/components/viewer/imageViewerViewports/imageViewerViewports.js
index 7837d3ee7..80e074f01 100644
--- a/Packages/viewerbase/components/viewer/imageViewerViewports/imageViewerViewports.js
+++ b/Packages/viewerbase/components/viewer/imageViewerViewports/imageViewerViewports.js
@@ -67,6 +67,42 @@ Template.imageViewerViewports.helpers({
 
             ViewerWindows.insert(data);
         }
+
+
+        // Here we will find out if we need to load any other studies into the viewer
+
+        // We will make a list of unique studyInstanceUids
+        var uniqueStudyInstanceUids = [];
+
+        // Meteor doesn't support Mongo's 'distinct' function, so we have to do this in a loop
+        ViewerWindows.find().forEach(function(window) {
+            var studyInstanceUid = window.studyInstanceUid;
+            if (!studyInstanceUid) {
+                return;
+            }
+
+            // If this studyInstanceUid is already in the list, stop here
+            if (uniqueStudyInstanceUids.indexOf(studyInstanceUid) > -1) {
+                return;
+            }
+
+            // Otherwise, add it to the list
+            uniqueStudyInstanceUids.push(studyInstanceUid);
+
+            // If any of the associated studies is not already loaded, load it now
+            var loadedStudy = ViewerStudies.findOne({studyInstanceUid: studyInstanceUid});
+            if (!loadedStudy) {
+                // Load the study
+                Meteor.call('GetStudyMetadata', studyInstanceUid, function(error, study) {
+                    // Sort the study's series and instances by series and instance number
+                    sortStudy(study);
+
+                    // Insert it into the ViewerStudies Collection
+                    ViewerStudies.insert(study);
+                });
+            }
+        });
+
         return ViewerWindows.find();
     }
 });