From 0c4bec7075699ae31c67e2a7dd145d83abae8da8 Mon Sep 17 00:00:00 2001
From: Juned Chhipa <juned.chhipa@gmail.com>
Date: Wed, 21 Aug 2019 19:13:49 +0530
Subject: [PATCH] add legend.inverseOrder - fixes #850, fixes #858

---
 src/modules/Legend.js           | 8 +++++++-
 src/modules/settings/Options.js | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/modules/Legend.js b/src/modules/Legend.js
index 9375f31b5..57dc68fb8 100644
--- a/src/modules/Legend.js
+++ b/src/modules/Legend.js
@@ -97,7 +97,13 @@ class Legend {
     }
     let legendFormatter = w.globals.legendFormatter
 
-    for (let i = 0; i <= legendNames.length - 1; i++) {
+    let isLegendInversed = w.config.legend.inverseOrder
+
+    for (
+      let i = isLegendInversed ? legendNames.length - 1 : 0;
+      isLegendInversed ? i >= 0 : i <= legendNames.length - 1;
+      isLegendInversed ? i-- : i++
+    ) {
       let text = legendFormatter(legendNames[i], { seriesIndex: i, w })
 
       let collapsedSeries = false
diff --git a/src/modules/settings/Options.js b/src/modules/settings/Options.js
index 1634c2270..e571f532b 100644
--- a/src/modules/settings/Options.js
+++ b/src/modules/settings/Options.js
@@ -588,6 +588,7 @@ export default class Options {
         position: 'bottom', // whether to position legends in 1 of 4
         // direction - top, bottom, left, right
         horizontalAlign: 'center', // when position top/bottom, you can specify whether to align legends left, right or center
+        inverseOrder: false,
         fontSize: '12px',
         fontFamily: undefined,
         width: undefined,