From c41b3b78b15ad2780bc1029812f0aeb84974cc4b Mon Sep 17 00:00:00 2001
From: ghiscoding <gbeaulac@gmail.com>
Date: Sat, 28 Aug 2021 01:27:57 -0400
Subject: [PATCH] feat: add new event `onBeforeSetColumns` - for my use case, I
 need to execute some logic before the header menu are re-rendered by the
 `setColumns`

---
 slick.grid.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/slick.grid.js b/slick.grid.js
index 202d4179..867f9b60 100644
--- a/slick.grid.js
+++ b/slick.grid.js
@@ -2877,6 +2877,8 @@ if (typeof Slick === "undefined") {
     }
 
     function setColumns(columnDefinitions) {
+      trigger(self.onBeforeSetColumns, { previousColumns: columns, newColumns: columnDefinitions, grid: self });
+
       var _treeColumns = new Slick.TreeColumns(columnDefinitions);
       if (_treeColumns.hasDepth()) {
         treeColumns = _treeColumns;
@@ -5960,6 +5962,7 @@ if (typeof Slick === "undefined") {
       "onSelectedRowsChanged": new Slick.Event(),
       "onCellCssStylesChanged": new Slick.Event(),
       "onAutosizeColumns": new Slick.Event(),
+      "onBeforeSetColumns": new Slick.Event(),
       "onRendered": new Slick.Event(),
       "onSetOptions": new Slick.Event(),