From 3eae1c687818d92ddcf3497df0207fe18ea7cd40 Mon Sep 17 00:00:00 2001
From: Bruno Alves de Faria <brunoalvesdefaria@gmail.com>
Date: Tue, 22 Nov 2016 17:21:05 -0200
Subject: [PATCH] LT-381: Disabling save button until there are unsaved changes

---
 .../client/components/caseProgress/caseProgress.html      | 2 +-
 .../client/components/caseProgress/caseProgress.js        | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Packages/ohif-measurements/client/components/caseProgress/caseProgress.html b/Packages/ohif-measurements/client/components/caseProgress/caseProgress.html
index 100e495cb..dd55654c0 100644
--- a/Packages/ohif-measurements/client/components/caseProgress/caseProgress.html
+++ b/Packages/ohif-measurements/client/components/caseProgress/caseProgress.html
@@ -10,7 +10,7 @@
         {{/if}}
         {{#if progressComplete}}
             <div class="caseProgressStatus">
-                <button class="btn js-finish-case">Save</button>
+                <button class="btn js-finish-case {{valueIf isFinishDisabled 'disabled' ''}}">Save</button>
             </div>
         {{/if}}
     </div>
diff --git a/Packages/ohif-measurements/client/components/caseProgress/caseProgress.js b/Packages/ohif-measurements/client/components/caseProgress/caseProgress.js
index 056895d72..852f83fc0 100644
--- a/Packages/ohif-measurements/client/components/caseProgress/caseProgress.js
+++ b/Packages/ohif-measurements/client/components/caseProgress/caseProgress.js
@@ -1,5 +1,6 @@
 import { Template } from 'meteor/templating';
 import { ReactiveVar } from 'meteor/reactive-var';
+import { Session } from 'meteor/session';
 import { OHIF } from 'meteor/ohif:core';
 
 Template.caseProgress.onCreated(() => {
@@ -150,6 +151,13 @@ Template.caseProgress.helpers({
 
         const progressPercent = instance.progressPercent.get();
         return progressPercent === 100;
+    },
+
+    isFinishDisabled() {
+        // Run this computation every time any measurement / timepoint suffer changes
+        Session.get('LayoutManagerUpdated');
+
+        return OHIF.ui.unsavedChanges.probe('viewer.*') === 0;
     }
 });