From a3ca216d55a97545b19b2f2eb482056cd0b85dd8 Mon Sep 17 00:00:00 2001
From: Andy <alee@scottlogic.com>
Date: Fri, 17 May 2019 16:12:30 +0100
Subject: [PATCH] Added legend position to preserved settings

Legend position is preserved when the chart structure changes.
---
 packages/perspective-viewer-d3fc/src/js/plugin/template.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/perspective-viewer-d3fc/src/js/plugin/template.js b/packages/perspective-viewer-d3fc/src/js/plugin/template.js
index 0f5b5d98fa..889665c920 100644
--- a/packages/perspective-viewer-d3fc/src/js/plugin/template.js
+++ b/packages/perspective-viewer-d3fc/src/js/plugin/template.js
@@ -106,7 +106,8 @@ class D3FCChartElement extends HTMLElement {
 
         // Some settings can be preserved even when the chart schema changes
         const preserved = oldSettings && {
-            multiTypes: oldSettings.multiTypes
+            multiTypes: oldSettings.multiTypes,
+            legend: oldSettings.legend && {left: oldSettings.legend.left, top: oldSettings.legend.top}
         };
         return {...preserved, ...newSettings};
     }