Fixed #2395 - New exportFooter property for Exportable DataTable

api-generator/components/column.js

@@ -239,6 +239,12 @@ const ColumnProps = [
         default: "null",
         description: "Custom export header of the column to be exported as CSV."
     },
+    {
+        name: "exportFooter",
+        type: "string",
+        default: "null",
+        description: "Custom export footer of the column to be exported as CSV."
+    },
     {
         name: "hidden",
         type: "boolean",

src/components/column/Column.d.ts

@@ -233,6 +233,10 @@ export interface ColumnProps {
      * Custom export header of the column to be exported as CSV.
      */
     exportHeader?: string | undefined;
+    /**
+     * Custom export footer of the column to be exported as CSV.
+     */
+    exportFooter?: string | undefined;
     /**
      * Defines the filtering algorithm to use when searching the options.
      */

src/components/column/Column.vue

@@ -166,6 +166,10 @@ export default {
             type: String,
             default: null
         },
+        exportFooter: {
+            type: String,
+            default: null
+        },
         filterMatchMode: {
             type: String,
             default: null

src/components/datatable/DataTable.vue

@@ -1072,6 +1072,24 @@ export default {
                 });
             }
 
+            
+            //footers
+            let footerInitiated = false;
+            for (let i = 0; i < this.columns.length; i++) {
+                let column = this.columns[i];
+
+                if (i === 0) csv += '\n';
+
+                if (this.columnProp(column, 'exportable') !== false && this.columnProp(column, 'field')) {
+                    if (footerInitiated)
+                        csv += this.csvSeparator;
+                    else
+                        footerInitiated = true;
+
+                    csv += '"' + (this.columnProp(column, 'exportFooter') || this.columnProp(column, 'footer') || this.columnProp(column, 'field')) + '"';
+                }
+            }
+
             DomHandler.exportCSV(csv, this.exportFilename);
         },
         resetPage() {

src/views/datatable/DataTableDoc.vue

@@ -381,6 +381,12 @@ export default {
                             <td>null</td>
                             <td>Custom export header of the column to be exported as CSV.</td>
                         </tr>
+                        <tr>
+                            <td>exportFooter</td>
+                            <td>string</td>
+                            <td>null</td>
+                            <td>Custom export footer of the column to be exported as CSV.</td>
+                        </tr>
                         <tr>
                             <td>filterMatchMode</td>
                             <td>string</td>