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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | 3x 7x 7x 7x 150x 150x 116x 34x 34x 150x 150x 62x 150x 7x 28x 28x 150x 150x 150x 7x 24x 24x 24x 7x 7x 24x 7x 206x | import React, { forwardRef, Fragment } from "react"; import classNames from "classnames"; import { Text } from "../text"; import { TableBox } from "./TableBox"; import { TableProps } from "./TableProps"; import { getRowKeyFromRecordKey } from "./util/get-row-key-from-record-key"; import { useMiddleware } from "./util/use-middleware"; import { SlideTransition } from "../transition"; import { useConfig } from "../_util/config-context"; // 表格组件核心实现 export const TableBody = forwardRef(function TableBody( { columns, records, addons, recordKey, rowClassName, rowDisabled, topTip, bottomTip, boxStyle, disableHoverHighlight, disableTextOverflow, onScrollCapture = () => null, }: TableProps & { boxStyle?: React.CSSProperties; onScrollCapture?: (event: React.UIEvent<HTMLDivElement>) => void; }, ref: React.Ref<HTMLDivElement> ) { const { classPrefix } = useConfig(); // 键值的获取方式 const getRowKey = getRowKeyFromRecordKey(recordKey); // 列渲染:(record, column) => { props, children } const renderColumn = useMiddleware(addons, "onInjectColumn")( (record, rowKey, recordIndex, column, columnIndex) => { let children = null; if (isFunction(column.render)) { children = column.render( record, rowKey, recordIndex, column, columnIndex ); } else Eif (typeof record === "object" && record) { children = record[column.key]; } Iif (typeof children === "undefined") { // never render undefined children = null; } if (typeof children !== "object") { children = ( <Text overflow={!disableTextOverflow} title={disableTextOverflow ? undefined : String(children)} > {children} </Text> ); } return { props: {}, children, }; } ); // 行渲染:(columns, record) => { prepends, row, appends } const renderRow = useMiddleware(addons, "onInjectRow")( (record, rowKey, recordIndex, columns) => { const className = classNames( isFunction(rowClassName) ? rowClassName(record) : null, isFunction(rowDisabled) ? { "is-disabled": rowDisabled(record) } : null, { "no-hover": !!disableHoverHighlight } ); return { prepends: [], row: ( <tr key={rowKey} className={className || null}> {columns.map((column, index) => { const { props, children } = renderColumn( record, rowKey, recordIndex, column, index ); Iif (props.colSpan === 0 || props.rowSpan === 0) { return null; } return ( <Text key={column.key} parent="td" {...props} align={column.align} > <div>{children}</div> </Text> ); })} </tr> ), appends: [], }; } ); // 记录渲染:(record) => <tr>[] const renderRecord = (record: any, recordIndex: number) => { // 生成 rowKey const rowKey = getRowKey(record, recordIndex); const { prepends, row, appends } = renderRow( record, rowKey, recordIndex, columns ); return [...prepends, row, ...appends].filter(Boolean); }; const renderBody = useMiddleware(addons, "onInjectBody")( (records, columns, topTip, bottomTip) => ( <div className={`${classPrefix}-table__body`} ref={ref} onScrollCapture={onScrollCapture} > <TableBox columns={columns} style={boxStyle} classPrefix={classPrefix}> <tbody> <SlideTransition in={Boolean(topTip)} exit={false}> <tr className={`${classPrefix}-table__tr--blank-new`}> <td colSpan={columns.length}>{topTip}</td> </tr> </SlideTransition> {(records || []).map((record, index) => ( <Fragment key={getRowKey(record, index)}> {renderRecord(record, index)} </Fragment> ))} <SlideTransition in={Boolean(bottomTip)} exit={false}> <tr className={`${classPrefix}-table__tr--blank-new`}> <td colSpan={columns.length}>{bottomTip}</td> </tr> </SlideTransition> </tbody> </TableBox> </div> ) ); return renderBody(records, columns, topTip, bottomTip); }); function isFunction(target: any): target is Function { return typeof target === "function"; } |