From 6e749c70ef30cc1f1cb3bedb7663a7d8fc174a23 Mon Sep 17 00:00:00 2001
From: Andrew Wong <wongavision@gmail.com>
Date: Wed, 19 Dec 2018 17:27:40 -0500
Subject: [PATCH] listening to user generated history changes for validation

---
 modules/core/context.js             | 8 ++++++++
 modules/ui/issues.js                | 2 ++
 modules/validations/issueManager.js | 1 -
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/modules/core/context.js b/modules/core/context.js
index 7d0fa6eb3..a739f9018 100644
--- a/modules/core/context.js
+++ b/modules/core/context.js
@@ -443,12 +443,20 @@ export function coreContext() {
     }
 
     history = coreHistory(context);
+
     context.graph = history.graph;
     context.changes = history.changes;
     context.intersects = history.intersects;
 
     issueManager = IssueManager(context);
 
+    var debouncedValidate = _debounce(issueManager.validate, 1000);
+    history.on('change', function(difference) {
+        if (difference) {
+            debouncedValidate();
+        }
+    });
+
     // Debounce save, since it's a synchronous localStorage write,
     // and history changes can happen frequently (e.g. when dragging).
     context.debouncedSave = _debounce(context.save, 350);
diff --git a/modules/ui/issues.js b/modules/ui/issues.js
index 8e6c4163d..13f38cfa1 100644
--- a/modules/ui/issues.js
+++ b/modules/ui/issues.js
@@ -20,6 +20,8 @@ export function uiIssues(context) {
     var _issuesList = d3_select(null);
     var _shown = false;
 
+    context.issueManager().on('reload', update);
+
     function renderIssuesOptions(selection) {
         var container = selection.selectAll('.issues-options-container')
             .data([0]);
diff --git a/modules/validations/issueManager.js b/modules/validations/issueManager.js
index 14540af49..4ece630d9 100644
--- a/modules/validations/issueManager.js
+++ b/modules/validations/issueManager.js
@@ -23,7 +23,6 @@ export function IssueManager(context) {
     };
 
     self.getIssues = function() {
-        self.validate();
         return issues;
     };