From 514122cc1f0330d3494310ae2fc2a9dbfa407904 Mon Sep 17 00:00:00 2001
From: tsv2013 <tsv2013@noreply.github.com>
Date: Wed, 26 Jun 2024 11:22:58 +0300
Subject: [PATCH] Fixed #445 - Download buttons broken with remote pagination

---
 src/tables/tabulator.ts | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/src/tables/tabulator.ts b/src/tables/tabulator.ts
index ea7bae7a4..f18e5649e 100755
--- a/src/tables/tabulator.ts
+++ b/src/tables/tabulator.ts
@@ -259,17 +259,19 @@ export class Tabulator extends Table {
     this._rows.push(tableRow);
   };
   private accessorDownload = (cellData: any, rowData: any, reason: string, _: any, columnComponent: any, rowComponent: any) => {
-    const columnDefinition = columnComponent.getDefinition();
-    const questionName = columnDefinition.field;
-    const column = this.columns.filter(col => col.name === questionName)[0];
-    if (!!column && rowComponent) {
-      const dataRow = this.data[rowComponent.getPosition()];
-      const dataCell = dataRow[questionName];
-      if (column.dataType === ColumnDataType.Image) {
-        return questionName;
-      }
-      if (column.dataType === ColumnDataType.FileLink && Array.isArray(dataCell)) {
-        return (dataCell || []).map(f => f.name).join(", ");
+    if(Array.isArray(this.data)) {
+      const columnDefinition = columnComponent.getDefinition();
+      const questionName = columnDefinition.field;
+      const column = this.columns.filter(col => col.name === questionName)[0];
+      if (!!column && rowComponent) {
+        const dataRow = this.data[rowComponent.getPosition()];
+        const dataCell = dataRow[questionName];
+        if (column.dataType === ColumnDataType.Image) {
+          return questionName;
+        }
+        if (column.dataType === ColumnDataType.FileLink && Array.isArray(dataCell)) {
+          return (dataCell || []).map(f => f.name).join(", ");
+        }
       }
     }
     if (this.currentDownloadType === "csv" || this.currentDownloadType === "xlsx") {