From 871d3f9cf382f8e7aff38c1aed9417a88a8c6ee6 Mon Sep 17 00:00:00 2001
From: gnibeda <anton.donnu@gmail.com>
Date: Thu, 12 Nov 2020 23:55:10 +0200
Subject: [PATCH] added request error callback support

---
 readme.md               | 2 ++
 source/js/DataSource.js | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 41090cb..2f96b19 100644
--- a/readme.md
+++ b/readme.md
@@ -58,6 +58,8 @@ var setup = { // Object that contain settings. Properties in brackets can be mis
             // if rowClick callback returns boolean false, DrillDown won't be performed.
             , rowClick: function (row, rowData) { console.log(row, rowData); }
             , contentRendered: function () {}
+            // triggers when request status is not 200 
+            , requestError: function (message, xhr) {}
             , cellSelected: function ({ x: Number, y: Number, leftHeaderColumnsNumber: Number, topHeaderRowsNumber: Number }) {
                 return false; // return false to block default click action
             }
diff --git a/source/js/DataSource.js b/source/js/DataSource.js
index 34026ae..3e92ca2 100644
--- a/source/js/DataSource.js
+++ b/source/js/DataSource.js
@@ -73,6 +73,11 @@ DataSource.prototype._post = function (url, data, callback) {
                 }
             })());
         } else if (xhr.readyState === 4 && xhr.status !== 200) {
+            handler = self.LPT.CONFIG.triggers["requestError"];
+            if (typeof handler === "function") {
+                handler.call(this, xhr.responseText || pivotLocale.get(3) + "<br/>" +
+                xhr.status + ": " + xhr.statusText, xhr);
+            }
             callback({
                 error: xhr.responseText || pivotLocale.get(3) + "<br/>" +
                        xhr.status + ": " + xhr.statusText
@@ -282,4 +287,4 @@ DataSource.prototype.getCurrentData = function (callback) {
         requestData();
     }
 
-};
\ No newline at end of file
+};