Merge pull request #18 from intersystems-ru/added-request-error-callback

added request error callback support

Author: gnibeda

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
             }

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();
     }
 
-};
+};