Lesion Tracker Redesign so far

Packages/lesiontracker/client/components/studySeriesQuickSwitch/studySeriesQuickSwitch.js

@@ -0,0 +1,34 @@
+Template.studySeriesQuickSwitch.onCreated(function studySeriesQuickSwitchOnCreated() {
+    const instance = this;
+
+    instance.seriesOpen = new ReactiveVar(false);
+    instance.studiesOpen = new ReactiveVar(false);
+});
+
+Template.studySeriesQuickSwitch.events({
+    'mouseenter .js-show-series'(event, instance) {
+        instance.seriesOpen.set(true);
+    },
+
+    'mouseenter .js-show-studies'(event, instance) {
+        instance.studiesOpen.set(true);
+    },
+
+    'mouseleave .js-hide-series'(event, instance) {
+        instance.seriesOpen.set(false);
+    },
+
+    'mouseleave .js-hide-studies'(event, instance) {
+        instance.studiesOpen.set(false);
+    }
+});
+
+Template.studySeriesQuickSwitch.helpers({
+    seriesOpen() {
+        return Template.instance().seriesOpen.get();
+    },
+
+    studiesOpen() {
+        return Template.instance().studiesOpen.get();
+    }
+});