From f486724643e9a257f3e81257bbfeb32f333ae648 Mon Sep 17 00:00:00 2001
From: Bruno Alves de Faria <brunoalvesdefaria@gmail.com>
Date: Mon, 2 Oct 2017 16:24:56 -0300
Subject: [PATCH] Adding util function to navigate over lesions

---
 .../ohif-measurements/client/lib/index.js     |  1 +
 .../client/lib/navigateOverLesions.js         | 30 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 Packages/ohif-measurements/client/lib/navigateOverLesions.js

diff --git a/Packages/ohif-measurements/client/lib/index.js b/Packages/ohif-measurements/client/lib/index.js
index 877ba2ffb..0ee1ed051 100644
--- a/Packages/ohif-measurements/client/lib/index.js
+++ b/Packages/ohif-measurements/client/lib/index.js
@@ -9,5 +9,6 @@ import './getTimepointName';
 import './hangingProtocolCustomizations';
 import './MeasurementHandlers';
 import './MeasurementManager';
+import './navigateOverLesions';
 import './syncMeasurementAndToolData';
 import './toggleLabelButton';
diff --git a/Packages/ohif-measurements/client/lib/navigateOverLesions.js b/Packages/ohif-measurements/client/lib/navigateOverLesions.js
new file mode 100644
index 000000000..f41863ec5
--- /dev/null
+++ b/Packages/ohif-measurements/client/lib/navigateOverLesions.js
@@ -0,0 +1,30 @@
+import { OHIF } from 'meteor/ohif:core';
+
+/**
+ * Method to go select the next or previous lesion on measurements table
+ *
+ * @param {Boolean} isNextLesion Determine if it will navigate to the next or previous lesion
+ */
+OHIF.measurements.navigateOverLesions = isNextLesion => {
+    const $table = $('#measurementTableContainer');
+    if (!$table.length) return;
+
+    const $lesions = $table.find('.measurementTableRow');
+    if (!$lesions.length) return;
+
+    const $activeLesion = $lesions.filter('.active');
+    const activeIndex = $lesions.index($activeLesion);
+
+    const step = isNextLesion ? 1 : -1;
+    let newIndex = 0;
+    if (activeIndex !== -1) {
+        newIndex = activeIndex + step;
+        if (newIndex >= $lesions.length) {
+            newIndex = 0;
+        } else if (newIndex < 0) {
+            newIndex = $lesions.length - 1;
+        }
+    }
+
+    $lesions.eq(newIndex).find('.measurementRowSidebar').trigger('click');
+};