LT-251: Showing only one quick switck if there is no second viewport

Packages/lesiontracker/client/components/toolbarSection/toolbarSection.html

@@ -21,8 +21,12 @@
                 </div>
             </div>
 
-            {{ >studySeriesQuickSwitch side="left" viewportIndex=0}}
-            {{ >studySeriesQuickSwitch side="right" viewportIndex=1}}
+            {{#if splitView}}
+                {{>studySeriesQuickSwitch side="right" viewportIndex=1}}
+                {{>studySeriesQuickSwitch side="left" viewportIndex=0}}
+            {{else}}
+                {{>studySeriesQuickSwitch side="middle" viewportIndex=0}}
+            {{/if}}
 
             <div class="toolbarSectionEntry pull-right rm-l-1 p-x-1">
                 {{ >caseProgress }}

Packages/lesiontracker/client/components/toolbarSection/toolbarSection.js

@@ -1,4 +1,17 @@
 Template.toolbarSection.helpers({
+    // Returns true if the view shall be split in two viewports
+    splitView() {
+        // Stops here if layout manager is not defined yet
+        if (!window.layoutManager) {
+            return;
+        }
+
+        // Run this computation everytime the viewports are updated
+        Session.get('LayoutManagerUpdated');
+
+        return layoutManager.viewportData.length > 1;
+    },
+
     leftSidebarToggleButtonData() {
         const instance = Template.instance();
         return {
@@ -14,6 +27,7 @@ Template.toolbarSection.helpers({
             }]
         };
     },
+
     rightSidebarToggleButtonData() {
         const instance = Template.instance();
         return {
@@ -35,6 +49,7 @@ Template.toolbarSection.helpers({
             }]
         };
     },
+
     toolbarButtons: function() {
         var buttonData = [];
         buttonData.push({