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split TableRow and TableCell for better perfermance #66
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| import React from 'react'; | ||
|
|
||
| export default ({ expandable, prefixCls, onExpand, needIndentSpaced, expanded, record }) => { | ||
| if (expandable) { | ||
| const expandClassName = expanded ? 'expanded' : 'collapsed'; | ||
| return ( | ||
| <span | ||
| className={`${prefixCls}-expand-icon ${prefixCls}-${expandClassName}`} | ||
| onClick={() => onExpand(!expanded, record)} | ||
| /> | ||
| ); | ||
| } else if (needIndentSpaced) { | ||
| return <span className={`${prefixCls}-expand-icon ${prefixCls}-spaced`} />; | ||
| } | ||
| return null; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| import React, { PropTypes } from 'react'; | ||
| import objectPath from 'object-path'; | ||
| import shallowequal from 'shallowequal'; | ||
| import ExpandIcon from './ExpandIcon'; | ||
|
|
||
| const TableCell = React.createClass({ | ||
| propTypes: { | ||
| record: PropTypes.object, | ||
| prefixCls: PropTypes.string, | ||
| isColumnHaveExpandIcon: PropTypes.bool, | ||
| index: PropTypes.number, | ||
| expanded: PropTypes.bool, | ||
| expandable: PropTypes.any, | ||
| onExpand: PropTypes.func, | ||
| needIndentSpaced: PropTypes.bool, | ||
| className: PropTypes.string, | ||
| indent: PropTypes.number, | ||
| indentSize: PropTypes.number, | ||
| expandIconAsCell: PropTypes.bool, | ||
| dataIndex: PropTypes.string, | ||
| render: PropTypes.func, | ||
| }, | ||
| shouldComponentUpdate(nextProps) { | ||
| return !shallowequal(nextProps, this.props); | ||
| }, | ||
| isInvalidRenderCellText(text) { | ||
| return text && !React.isValidElement(text) && | ||
| Object.prototype.toString.call(text) === '[object Object]'; | ||
| }, | ||
| render() { | ||
| const { className, dataIndex, render, record, indentSize, prefixCls, indent, | ||
| isColumnHaveExpandIcon, index, expandable, onExpand, needIndentSpaced, | ||
| expanded } = this.props; | ||
|
|
||
| let text = objectPath.get(record, dataIndex); | ||
| let tdProps; | ||
| let colSpan; | ||
| let rowSpan; | ||
|
|
||
| if (render) { | ||
| text = render(text, record, index); | ||
| if (this.isInvalidRenderCellText(text)) { | ||
| tdProps = text.props || {}; | ||
| rowSpan = tdProps.rowSpan; | ||
| colSpan = tdProps.colSpan; | ||
| text = text.children; | ||
| } | ||
| } | ||
|
|
||
| // Fix https://github.com/ant-design/ant-design/issues/1202 | ||
| if (this.isInvalidRenderCellText(text)) { | ||
| text = null; | ||
| } | ||
|
|
||
| const expandIcon = ( | ||
| <ExpandIcon | ||
| expandable={expandable} | ||
| prefixCls={prefixCls} | ||
| onExpand={onExpand} | ||
| needIndentSpaced={needIndentSpaced} | ||
| expanded={expanded} | ||
| record={record} | ||
| /> | ||
| ); | ||
|
|
||
| const indentText = ( | ||
| <span | ||
| style={{ paddingLeft: `${indentSize * indent}px` }} | ||
| className={`${prefixCls}-indent indent-level-${indent}`} | ||
| /> | ||
| ); | ||
|
|
||
| if (rowSpan === 0 || colSpan === 0) { | ||
| return null; | ||
| } | ||
| return ( | ||
| <td | ||
| colSpan={colSpan} | ||
| rowSpan={rowSpan} | ||
| className={className} | ||
| > | ||
| {isColumnHaveExpandIcon ? indentText : null} | ||
| {isColumnHaveExpandIcon ? expandIcon : null} | ||
| {text} | ||
| </td> | ||
| ); | ||
| }, | ||
| }); | ||
|
|
||
| export default TableCell; |
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看能不能不要每次 bind
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嗯，这里不需要 bind 的。直接
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是尽量不要在 render 中生成函数