Improve performance

Author: AllenFang

src/TableBody.js

@@ -13,7 +13,7 @@ var isFun=function(obj){
 class TableBody extends React.Component{
 
   constructor(props) {
-		super(props);
+    super(props);
     this.state = {
       currEditCell: null
     };
@@ -189,6 +189,7 @@ class TableBody extends React.Component{
       if(i == rowIndex-1){
         key = row[this.props.keyField];
         selectedRow = row;
+        return false;
       }
     }, this);
     this.props.onSelectRow(selectedRow, isSelected);

src/TableColumn.js

@@ -4,7 +4,46 @@ import Const from './Const';
 class TableColumn extends React.Component{
 
   constructor(props) {
-		super(props);
+    super(props);
+  }
+
+  shouldComponentUpdate(nextProps, nextState) {
+    const { children } = this.props;
+    let shouldUpdated = this.props.width !== nextProps.width
+      || this.props.className !== nextProps.className
+      || this.props.hidden !== nextProps.hidden
+      || this.props.dataAlign !== nextProps.dataAlign
+      || typeof children !== typeof nextProps.children
+      || (''+this.props.onEdit).toString() !== (''+nextProps.onEdit).toString()
+
+    if(shouldUpdated){
+      return shouldUpdated;
+    }
+
+    if(typeof children === 'object') {
+      if(children.props.dangerouslySetInnerHTML) {
+        shouldUpdated = shouldUpdated ||
+          children.props.dangerouslySetInnerHTML.__html !==
+            nextProps.children.props.dangerouslySetInnerHTML.__html;
+      } else if(children.props.type === 'checkbox' || children.props.type === 'radio') {
+        shouldUpdated = shouldUpdated ||
+          children.props.type !== nextProps.children.props.type ||
+          children.props.checked !== nextProps.children.props.checked;
+      }
+    } else {
+      shouldUpdated = shouldUpdated || children !== nextProps.children;
+    }
+
+    if(shouldUpdated){
+      return shouldUpdated;
+    }
+
+    if(!(this.props.cellEdit && nextProps.cellEdit)) {
+      return false;
+    } else {
+      return shouldUpdated
+        || this.props.cellEdit.mode !== nextProps.cellEdit.mode;
+    }
   }
 
   handleCellEdit(e){