mirror of
https://github.com/alibaba/lowcode-engine.git
synced 2026-03-02 23:37:04 +00:00
774 lines
28 KiB
JavaScript
774 lines
28 KiB
JavaScript
import React, { Children } from 'react';
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import { findDOMNode } from 'react-dom';
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import PropTypes from 'prop-types';
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import classnames from 'classnames';
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import shallowElementEquals from 'shallow-element-equals';
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import { dom, log, obj, events, env } from '../util';
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import LockRow from './lock/row';
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import LockBody from './lock/body';
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import LockHeader from './lock/header';
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import LockWrapper from './fixed/wrapper';
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import { statics } from './util';
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const { ieVersion } = env;
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export default function lock(BaseComponent) {
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/** Table */
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class LockTable extends React.Component {
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static LockRow = LockRow;
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static LockBody = LockBody;
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static LockHeader = LockHeader;
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static propTypes = {
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scrollToCol: PropTypes.number,
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/**
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* 指定滚动到某一行，仅在`useVirtual`的时候生效
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*/
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scrollToRow: PropTypes.number,
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...BaseComponent.propTypes,
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};
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static defaultProps = {
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...BaseComponent.defaultProps,
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};
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static childContextTypes = {
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getTableInstance: PropTypes.func,
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getLockNode: PropTypes.func,
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onLockBodyScroll: PropTypes.func,
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onRowMouseEnter: PropTypes.func,
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onRowMouseLeave: PropTypes.func,
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};
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constructor(props, context) {
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super(props, context);
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this.lockLeftChildren = [];
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this.lockRightChildren = [];
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}
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getChildContext() {
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return {
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getTableInstance: this.getTableInstance,
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getLockNode: this.getNode,
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onLockBodyScroll: this.onLockBodyScroll,
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onRowMouseEnter: this.onRowMouseEnter,
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onRowMouseLeave: this.onRowMouseLeave,
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};
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}
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componentDidMount() {
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events.on(window, 'resize', this.adjustSize);
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this.scroll();
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this.adjustSize();
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}
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shouldComponentUpdate(nextProps, nextState, nextContext) {
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if (nextProps.pure) {
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const isEqual = shallowElementEquals(nextProps, this.props);
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return !(
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isEqual && obj.shallowEqual(nextContext, this.context)
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);
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}
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return true;
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}
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componentWillUpdate() {
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this._isLock = false;
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}
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componentDidUpdate() {
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this.adjustSize();
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}
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componentWillUnmount() {
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events.off(window, 'resize', this.adjustSize);
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}
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normalizeChildrenState(props) {
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let { children } = props;
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children = this.normalizeChildren(children);
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const splitChildren = this.splitFromNormalizeChildren(children);
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const { lockLeftChildren, lockRightChildren } = splitChildren;
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return {
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lockLeftChildren,
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lockRightChildren,
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children: this.mergeFromSplitLockChildren(splitChildren),
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};
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}
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// 将React结构化数据提取props转换成数组
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normalizeChildren(children) {
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let isLock = false;
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const getChildren = children => {
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const ret = [];
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Children.forEach(children, child => {
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if (child) {
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const props = { ...child.props };
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if ([true, 'left', 'right'].indexOf(props.lock) > -1) {
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isLock = true;
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if (!('width' in props)) {
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log.warning(
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`Should config width for lock column named [ ${
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props.dataIndex
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} ].`
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);
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}
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}
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ret.push(props);
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if (child.props.children) {
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props.children = getChildren(child.props.children);
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}
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}
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});
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return ret;
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};
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const ret = getChildren(children);
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ret.forEach(child => {
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// 为自定义的列特殊处理
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if (child.__normalized && isLock) {
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// users can set lock type for column selection now, so its origin lock type comes first
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child.lock = child.lock || 'left';
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delete child.__normalized;
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}
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});
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this._isLock = isLock;
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return ret;
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}
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//从数组中分离出lock的列和正常的列
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splitFromNormalizeChildren(children) {
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const originChildren = deepCopy(children);
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const lockLeftChildren = deepCopy(children);
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const lockRightChildren = deepCopy(children);
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const loop = (lockChildren, condition) => {
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const ret = [];
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lockChildren.forEach(child => {
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if (child.children) {
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const res = loop(child.children, condition);
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if (!res.length) {
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ret.push(child);
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}
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} else {
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const order = condition(child);
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if (!order) {
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ret.push(child);
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}
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}
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});
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ret.forEach(res => {
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const index = lockChildren.indexOf(res);
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lockChildren.splice(index, 1);
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});
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return lockChildren;
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};
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loop(lockLeftChildren, child => {
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if (child.lock === true || child.lock === 'left') {
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return 'left';
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}
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});
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loop(lockRightChildren, child => {
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if (child.lock === 'right') {
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return 'right';
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}
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});
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loop(originChildren, child => {
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return (
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child.lock !== true &&
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child.lock !== 'left' &&
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child.lock !== 'right'
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);
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});
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return {
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lockLeftChildren,
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lockRightChildren,
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originChildren,
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};
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}
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//将左侧的锁列树和中间的普通树及右侧的锁列树进行合并
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mergeFromSplitLockChildren(splitChildren) {
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const { lockLeftChildren, lockRightChildren } = splitChildren;
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let { originChildren } = splitChildren;
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Array.prototype.unshift.apply(originChildren, lockLeftChildren);
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originChildren = originChildren.concat(lockRightChildren);
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return originChildren;
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}
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getTableInstance = (type, instance) => {
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type = type ? type.charAt(0).toUpperCase() + type.substr(1) : '';
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this[`table${type}Inc`] = instance;
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};
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getNode = (type, node, lockType) => {
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lockType = lockType
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? lockType.charAt(0).toUpperCase() + lockType.substr(1)
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: '';
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this[`${type}${lockType}Node`] = node;
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if (type === 'header' && !this.innerHeaderNode && !lockType) {
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this.innerHeaderNode = this.headerNode.querySelector('div');
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}
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};
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onRowMouseEnter = (record, index) => {
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if (this.isLock()) {
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const row = this.getRowNode(index);
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const leftRow = this.getRowNode(index, 'left');
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const rightRow = this.getRowNode(index, 'right');
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[row, leftRow, rightRow].forEach(row => {
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row && dom.addClass(row, 'hovered');
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});
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}
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};
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onRowMouseLeave = (record, index) => {
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if (this.isLock()) {
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const row = this.getRowNode(index);
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const leftRow = this.getRowNode(index, 'left');
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const rightRow = this.getRowNode(index, 'right');
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[row, leftRow, rightRow].forEach(row => {
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row && dom.removeClass(row, 'hovered');
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});
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}
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};
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scroll() {
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const { scrollToCol = 0, scrollToRow = 0 } = this.props;
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if (!scrollToCol && !scrollToRow) {
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return;
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}
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const colCellNode = this.getCellNode(0, scrollToCol);
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const rowCellNode = this.getCellNode(scrollToRow, 0);
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const bodyNodeOffset = this.bodyNode.getBoundingClientRect();
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if (colCellNode) {
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const cellNodeoffset = colCellNode.getBoundingClientRect();
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const scrollLeft = cellNodeoffset.left - bodyNodeOffset.left;
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this.bodyNode.scrollLeft = scrollLeft;
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}
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if (rowCellNode) {
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const cellNodeoffset = rowCellNode.getBoundingClientRect();
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const scrollTop = cellNodeoffset.top - bodyNodeOffset.top;
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this.bodyNode.scrollTop = scrollTop;
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}
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}
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onLockBodyScrollTop = event => {
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// set scroll top for lock columns & main body
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const target = event.target;
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if (event.currentTarget !== target) {
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return;
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}
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const distScrollTop = target.scrollTop;
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if (this.isLock() && distScrollTop !== this.lastScrollTop) {
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const lockRightBody = this.bodyRightNode,
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lockLeftBody = this.bodyLeftNode,
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bodyNode = this.bodyNode;
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const arr = [lockLeftBody, lockRightBody, bodyNode];
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arr.forEach(node => {
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if (node && node.scrollTop !== distScrollTop) {
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node.scrollTop = distScrollTop;
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}
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});
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this.lastScrollTop = distScrollTop;
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}
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};
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onLockBodyScrollLeft = () => {
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// add shadow class for lock columns
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if (this.isLock()) {
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const { rtl } = this.props;
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const lockRightTable = rtl
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? this.getWrapperNode('left')
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: this.getWrapperNode('right'),
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lockLeftTable = rtl
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? this.getWrapperNode('right')
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: this.getWrapperNode('left'),
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shadowClassName = 'shadow';
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const x = this.bodyNode.scrollLeft;
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if (x === 0) {
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lockLeftTable &&
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dom.removeClass(lockLeftTable, shadowClassName);
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lockRightTable &&
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dom.addClass(lockRightTable, shadowClassName);
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} else if (
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x ===
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this.bodyNode.scrollWidth - this.bodyNode.clientWidth
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) {
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lockLeftTable &&
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dom.addClass(lockLeftTable, shadowClassName);
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lockRightTable &&
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dom.removeClass(lockRightTable, shadowClassName);
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} else {
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lockLeftTable &&
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dom.addClass(lockLeftTable, shadowClassName);
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lockRightTable &&
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dom.addClass(lockRightTable, shadowClassName);
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}
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}
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};
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onLockBodyScroll = event => {
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this.onLockBodyScrollTop(event);
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this.onLockBodyScrollLeft();
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};
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// Table处理过后真实的lock状态
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isLock() {
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return (
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this.lockLeftChildren.length || this.lockRightChildren.length
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);
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}
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// 用户设置的lock状态
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isOriginLock() {
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return this._isLock;
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}
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adjustSize = () => {
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if (!this.adjustIfTableNotNeedLock()) {
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this.adjustHeaderSize();
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this.adjustBodySize();
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this.adjustRowHeight();
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this.onLockBodyScrollLeft();
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}
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};
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removeLockTable() {
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const lockLeftLen = this.lockLeftChildren.length;
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const lockRightLen = this.lockRightChildren.length;
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if (lockLeftLen) {
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this._notNeedAdjustLockLeft = true;
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}
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if (lockRightLen) {
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this._notNeedAdjustLockRight = true;
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}
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if (lockRightLen || lockLeftLen) {
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this.forceUpdate();
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return true;
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}
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}
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adjustIfTableNotNeedLock() {
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if (this.isOriginLock()) {
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const widthObj = this.tableInc.flatChildren
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.map((item, index) => {
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const cell = this.getCellNode(0, index) || {};
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const headerCell =
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this.getHeaderCellNode(0, index) || {};
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return {
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cellWidths: cell.clientWidth || 0,
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headerWidths: headerCell.clientWidth || 0,
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};
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})
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.reduce(
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(a, b) => {
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return {
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cellWidths: a.cellWidths + b.cellWidths,
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headerWidths: a.headerWidths + b.headerWidths,
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};
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},
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{
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cellWidths: 0,
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headerWidths: 0,
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}
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);
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let node, width;
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try {
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node = findDOMNode(this);
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width = node.clientWidth;
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} catch (err) {
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node = null;
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width = 0;
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}
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// if the table doesn't exist, there is no need to adjust
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if (width === 0) {
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return true;
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}
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const configWidths =
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widthObj.cellWidths || widthObj.headerWidths;
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if (configWidths <= width && configWidths > 0) {
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this.removeLockTable();
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} else if (
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this._notNeedAdjustLockLeft ||
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this._notNeedAdjustLockRight
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) {
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this._notNeedAdjustLockLeft = this._notNeedAdjustLockRight = false;
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this.forceUpdate();
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} else {
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this._notNeedAdjustLockLeft = this._notNeedAdjustLockRight = false;
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return false;
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}
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}
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return false;
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}
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adjustBodySize() {
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const { rtl, hasHeader } = this.props;
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const header = this.headerNode;
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const paddingName = rtl ? 'paddingLeft' : 'paddingRight';
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const marginName = rtl ? 'marginLeft' : 'marginRight';
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const scrollBarSize = +dom.scrollbar().width || 0;
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const style = {
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[paddingName]: scrollBarSize,
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[marginName]: scrollBarSize,
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};
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const body = this.bodyNode,
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hasVerScroll = body && body.scrollHeight > body.clientHeight;
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if (this.isLock()) {
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const lockLeftBody = this.bodyLeftNode,
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lockRightBody = this.bodyRightNode,
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lockRightBodyWrapper = this.getWrapperNode('right'),
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bodyHeight = body.offsetHeight,
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width = hasVerScroll ? scrollBarSize : 0,
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lockBodyHeight = bodyHeight - scrollBarSize;
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if (!hasVerScroll) {
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style[paddingName] = 0;
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style[marginName] = 0;
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}
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if (+scrollBarSize) {
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style.marginBottom = -scrollBarSize;
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style.paddingBottom = scrollBarSize;
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} else {
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style.marginBottom = -20;
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style.paddingBottom = 20;
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}
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const lockStyle = {
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'max-height': lockBodyHeight,
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};
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if (!hasHeader && !+scrollBarSize) {
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lockStyle[marginName] = 0;
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}
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if (+scrollBarSize) {
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lockStyle[marginName] = -scrollBarSize;
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}
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lockLeftBody && dom.setStyle(lockLeftBody, lockStyle);
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lockRightBody && dom.setStyle(lockRightBody, lockStyle);
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lockRightBodyWrapper &&
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+scrollBarSize &&
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dom.setStyle(
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lockRightBodyWrapper,
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rtl ? 'left' : 'right',
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`${width}px`
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);
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} else {
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style.marginBottom = -scrollBarSize;
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style.paddingBottom = scrollBarSize;
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style[marginName] = 0;
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if (!hasVerScroll) {
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style[paddingName] = 0;
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}
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}
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header && dom.setStyle(header, style);
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}
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adjustHeaderSize() {
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if (this.isLock()) {
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this.tableInc.groupChildren.forEach((child, index) => {
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const lastIndex =
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this.tableInc.groupChildren[index].length - 1;
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const headerRightRow = this.getHeaderCellNode(
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index,
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lastIndex
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),
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headerLeftRow = this.getHeaderCellNode(index, 0),
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headerRightLockRow = this.getHeaderCellNode(
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index,
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0,
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'right'
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),
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headerLeftLockRow = this.getHeaderCellNode(
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index,
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0,
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'left'
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);
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if (headerRightRow && headerRightLockRow) {
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const maxRightRowHeight = headerRightRow.offsetHeight;
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dom.setStyle(
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headerRightLockRow,
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'height',
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maxRightRowHeight
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);
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setTimeout(() => {
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const affixRef = this.tableRightInc.affixRef;
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// if rendered then update postion of affix
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return (
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affixRef &&
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affixRef.getInstance() &&
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affixRef.getInstance().updatePosition()
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);
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});
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}
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if (headerLeftRow && headerLeftLockRow) {
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const maxLeftRowHeight = headerLeftRow.offsetHeight;
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dom.setStyle(
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headerLeftLockRow,
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'height',
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maxLeftRowHeight
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);
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setTimeout(() => {
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const affixRef = this.tableLeftInc.affixRef;
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// if rendered then update postion of affix
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return (
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affixRef &&
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affixRef.getInstance() &&
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affixRef.getInstance().updatePosition()
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);
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});
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}
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});
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}
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}
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adjustRowHeight() {
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if (this.isLock()) {
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this.tableInc.props.dataSource.forEach((item, index) => {
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// record may be a string
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const rowIndex =
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typeof item === 'object' && '__rowIndex' in item
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? item.__rowIndex
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: index;
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// 同步左侧的锁列
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this.setRowHeight(rowIndex, 'left');
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// 同步右侧的锁列
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this.setRowHeight(rowIndex, 'right');
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});
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}
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}
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setRowHeight(rowIndex, dir) {
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const lockRow = this.getRowNode(rowIndex, dir),
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row = this.getRowNode(rowIndex),
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rowHeight =
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(ieVersion
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? row && row.offsetHeight
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: row && parseFloat(getComputedStyle(row).height)) ||
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'auto',
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lockHeight =
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(ieVersion
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? lockRow && lockRow.offsetHeight
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: lockRow &&
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|
parseFloat(getComputedStyle(lockRow).height)) ||
|
|
'auto';
|
|
|
|
if (lockRow && rowHeight !== lockHeight) {
|
|
dom.setStyle(lockRow, 'height', rowHeight);
|
|
}
|
|
}
|
|
|
|
getWrapperNode(type) {
|
|
type = type ? type.charAt(0).toUpperCase() + type.substr(1) : '';
|
|
try {
|
|
// in case of finding an unmounted component due to cached data
|
|
// need to clear refs of table when dataSource Changed
|
|
// use try catch for temporary
|
|
return findDOMNode(this.refs[`lock${type}`]);
|
|
} catch (error) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
// remove this in next major version, keep this for temperary incase of using it
|
|
// getFirstNormalCellNode(index) {
|
|
// let i = 0;
|
|
// let row;
|
|
// do {
|
|
// row = this.getCellNode(index, i);
|
|
// i++;
|
|
// } while (
|
|
// (!row || (row && row.rowSpan && row.rowSpan > 1)) &&
|
|
// this.tableInc.flatChildren.length > i
|
|
// );
|
|
|
|
// return row;
|
|
// }
|
|
|
|
getRowNode(index, type) {
|
|
type = type ? type.charAt(0).toUpperCase() + type.substr(1) : '';
|
|
const table = this[`table${type}Inc`];
|
|
|
|
try {
|
|
// in case of finding an unmounted component due to cached data
|
|
// need to clear refs of table when dataSource Changed
|
|
// use try catch for temporary
|
|
return findDOMNode(table.getRowRef(index));
|
|
} catch (error) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
getHeaderCellNode(index, i, type) {
|
|
type = type ? type.charAt(0).toUpperCase() + type.substr(1) : '';
|
|
const table = this[`table${type}Inc`];
|
|
|
|
try {
|
|
// in case of finding an unmounted component due to cached data
|
|
// need to clear refs of table when dataSource Changed
|
|
// use try catch for temporary
|
|
return findDOMNode(table.getHeaderCellRef(index, i));
|
|
} catch (error) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
getCellNode(index, i, type) {
|
|
type = type ? type.charAt(0).toUpperCase() + type.substr(1) : '';
|
|
const table = this[`table${type}Inc`];
|
|
|
|
try {
|
|
// in case of finding an unmounted component due to cached data
|
|
// need to clear refs of table when dataSource Changed
|
|
// use try catch for temporary
|
|
return findDOMNode(table.getCellRef(index, i));
|
|
} catch (error) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
getFlatenChildrenLength = (children = []) => {
|
|
const loop = arr => {
|
|
const newArray = [];
|
|
arr.forEach(child => {
|
|
if (child.children) {
|
|
newArray.push(...loop(child.children));
|
|
} else {
|
|
newArray.push(child);
|
|
}
|
|
});
|
|
return newArray;
|
|
};
|
|
|
|
return loop(children).length;
|
|
};
|
|
|
|
render() {
|
|
/* eslint-disable no-unused-vars, prefer-const */
|
|
let {
|
|
children,
|
|
prefix,
|
|
components,
|
|
className,
|
|
dataSource,
|
|
...others
|
|
} = this.props;
|
|
let {
|
|
lockLeftChildren,
|
|
lockRightChildren,
|
|
children: normalizedChildren,
|
|
} = this.normalizeChildrenState(this.props);
|
|
|
|
const leftLen = this.getFlatenChildrenLength(lockLeftChildren);
|
|
const rightLen = this.getFlatenChildrenLength(lockRightChildren);
|
|
const originLen = this.getFlatenChildrenLength(normalizedChildren);
|
|
|
|
const lengths = {
|
|
left: leftLen,
|
|
right: rightLen,
|
|
origin: originLen,
|
|
};
|
|
if (this._notNeedAdjustLockLeft) {
|
|
lockLeftChildren = [];
|
|
}
|
|
if (this._notNeedAdjustLockRight) {
|
|
lockRightChildren = [];
|
|
}
|
|
this.lockLeftChildren = lockLeftChildren;
|
|
this.lockRightChildren = lockRightChildren;
|
|
|
|
if (this.isOriginLock()) {
|
|
components = { ...components };
|
|
components.Body = components.Body || LockBody;
|
|
components.Header = components.Header || LockHeader;
|
|
components.Wrapper = components.Wrapper || LockWrapper;
|
|
components.Row = components.Row || LockRow;
|
|
className = classnames({
|
|
[`${prefix}table-lock`]: true,
|
|
[`${prefix}table-wrap-empty`]: !dataSource.length,
|
|
[className]: className,
|
|
});
|
|
const content = [
|
|
<BaseComponent
|
|
{...others}
|
|
dataSource={dataSource}
|
|
key="lock-left"
|
|
columns={lockLeftChildren}
|
|
className={`${prefix}table-lock-left`}
|
|
lengths={lengths}
|
|
prefix={prefix}
|
|
lockType="left"
|
|
components={components}
|
|
ref="lockLeft"
|
|
loading={false}
|
|
aria-hidden
|
|
/>,
|
|
<BaseComponent
|
|
{...others}
|
|
dataSource={dataSource}
|
|
key="lock-right"
|
|
columns={lockRightChildren}
|
|
className={`${prefix}table-lock-right`}
|
|
lengths={lengths}
|
|
prefix={prefix}
|
|
lockType="right"
|
|
components={components}
|
|
ref="lockRight"
|
|
loading={false}
|
|
aria-hidden
|
|
/>,
|
|
];
|
|
return (
|
|
<BaseComponent
|
|
{...others}
|
|
dataSource={dataSource}
|
|
columns={normalizedChildren}
|
|
prefix={prefix}
|
|
lengths={lengths}
|
|
wrapperContent={content}
|
|
components={components}
|
|
className={className}
|
|
/>
|
|
);
|
|
}
|
|
return <BaseComponent {...this.props} />;
|
|
}
|
|
}
|
|
statics(LockTable, BaseComponent);
|
|
return LockTable;
|
|
}
|
|
|
|
function deepCopy(arr) {
|
|
let copy = arr => {
|
|
return arr.map(item => {
|
|
const newItem = { ...item };
|
|
if (item.children) {
|
|
item.children = copy(item.children);
|
|
}
|
|
return newItem;
|
|
});
|
|
};
|
|
return copy(arr);
|
|
}
|