From 7d28d461859eb57944b99611fb8e9e4cc58d38bb Mon Sep 17 00:00:00 2001
From: AllenFang <ayu780129@hotmail.com>
Date: Sat, 7 Sep 2019 16:27:18 +0800
Subject: [PATCH] enhance footer event

---
 docs/columns.md                               |  2 +-
 .../examples/footer/column-event-table.js     |  4 +-
 .../react-bootstrap-table2/src/footer-cell.js | 95 ++++++++++---------
 3 files changed, 53 insertions(+), 48 deletions(-)

diff --git a/docs/columns.md b/docs/columns.md
index 8770eb6..6d77335 100644
--- a/docs/columns.md
+++ b/docs/columns.md
@@ -666,7 +666,7 @@ It's also available to custom via a callback function:
 {
   // omit...
   footerEvents: {
-    onClick: e => { ... }
+    onClick: (e, column, columnIndex) => { ... }
   }
 }
 ```
diff --git a/packages/react-bootstrap-table2-example/examples/footer/column-event-table.js b/packages/react-bootstrap-table2-example/examples/footer/column-event-table.js
index 6837eee..943c680 100644
--- a/packages/react-bootstrap-table2-example/examples/footer/column-event-table.js
+++ b/packages/react-bootstrap-table2-example/examples/footer/column-event-table.js
@@ -12,7 +12,7 @@ const columns = [{
   dataField: 'id',
   text: 'Product ID',
   footerEvents: {
-    onClick: () => alert('Click on Product ID footer column')
+    onClick: (e, column, columnIndex) => alert(`Click on Product ID header column, columnIndex: ${columnIndex}`)
   },
   footer: 'Footer 1'
 }, {
@@ -32,7 +32,7 @@ const columns = [{
     dataField: 'id',
     text: 'Product ID',
     footerEvents: {
-      onClick: () => alert('Click on Product ID footer column')
+      onClick: (e, column, columnIndex) => alert('Click on Product ID footer column')
     },
     footer: 'Footer 1'
   }, {
diff --git a/packages/react-bootstrap-table2/src/footer-cell.js b/packages/react-bootstrap-table2/src/footer-cell.js
index 2995f4a..e47ad0a 100644
--- a/packages/react-bootstrap-table2/src/footer-cell.js
+++ b/packages/react-bootstrap-table2/src/footer-cell.js
@@ -4,56 +4,61 @@ import cs from 'classnames';
 import PropTypes from 'prop-types';
 
 import _ from './utils';
+import eventDelegater from './cell-event-delegater';
 
-const FooterCell = (props) => {
-  const { index, column, columnData } = props;
+class FooterCell extends eventDelegater(React.Component) {
+  render() {
+    const { index, column, columnData } = this.props;
 
-  const {
-    footer,
-    footerTitle,
-    footerAlign,
-    footerFormatter,
-    footerEvents,
-    footerClasses,
-    footerStyle,
-    footerAttrs
-  } = column;
+    const {
+      footer,
+      footerTitle,
+      footerAlign,
+      footerFormatter,
+      footerEvents,
+      footerClasses,
+      footerStyle,
+      footerAttrs
+    } = column;
 
-  const cellAttrs = {
-    ...(_.isFunction(footerAttrs) ? footerAttrs(column, index) : footerAttrs),
-    ...footerEvents
-  };
+    const delegateEvents = this.delegate(footerEvents);
+    const cellAttrs = {
+      ...(_.isFunction(footerAttrs) ? footerAttrs(column, index) : footerAttrs),
+      ...delegateEvents
+    };
 
-  let text = '';
-  if (_.isString(footer)) {
-    text = footer;
-  } else if (_.isFunction(footer)) {
-    text = footer(columnData, column, index);
+
+    let text = '';
+    if (_.isString(footer)) {
+      text = footer;
+    } else if (_.isFunction(footer)) {
+      text = footer(columnData, column, index);
+    }
+
+    let cellStyle = {};
+    const cellClasses = _.isFunction(footerClasses) ? footerClasses(column, index) : footerClasses;
+
+    if (footerStyle) {
+      cellStyle = _.isFunction(footerStyle) ? footerStyle(column, index) : footerStyle;
+      cellStyle = cellStyle ? { ...cellStyle } : cellStyle;
+    }
+
+    if (footerTitle) {
+      cellAttrs.title = _.isFunction(footerTitle) ? footerTitle(column, index) : text;
+    }
+
+    if (footerAlign) {
+      cellStyle.textAlign = _.isFunction(footerAlign) ? footerAlign(column, index) : footerAlign;
+    }
+
+    if (cellClasses) cellAttrs.className = cs(cellAttrs.className, cellClasses);
+    if (!_.isEmptyObject(cellStyle)) cellAttrs.style = cellStyle;
+
+    const children = footerFormatter ? footerFormatter(column, index) : text;
+
+    return React.createElement('th', cellAttrs, children);
   }
-
-  let cellStyle = {};
-  const cellClasses = _.isFunction(footerClasses) ? footerClasses(column, index) : footerClasses;
-
-  if (footerStyle) {
-    cellStyle = _.isFunction(footerStyle) ? footerStyle(column, index) : footerStyle;
-    cellStyle = cellStyle ? { ...cellStyle } : cellStyle;
-  }
-
-  if (footerTitle) {
-    cellAttrs.title = _.isFunction(footerTitle) ? footerTitle(column, index) : text;
-  }
-
-  if (footerAlign) {
-    cellStyle.textAlign = _.isFunction(footerAlign) ? footerAlign(column, index) : footerAlign;
-  }
-
-  if (cellClasses) cellAttrs.className = cs(cellAttrs.className, cellClasses);
-  if (!_.isEmptyObject(cellStyle)) cellAttrs.style = cellStyle;
-
-  const children = footerFormatter ? footerFormatter(column, index) : text;
-
-  return React.createElement('th', cellAttrs, children);
-};
+}
 
 FooterCell.propTypes = {
   columnData: PropTypes.array,