@douyinfe/semi-ui
Version:
A modern, comprehensive, flexible design system and UI library. Connect DesignOps & DevOps. Quickly build beautiful React apps. Maintained by Douyin-fe team.
84 lines • 2.94 kB
JavaScript
import _noop from "lodash/noop";
import React, { createRef } from 'react';
import classNames from 'classnames';
import PropTypes from 'prop-types';
import { ResizeItemFoundation } from '@douyinfe/semi-foundation/lib/es/resizable/foundation';
import { cssClasses } from '@douyinfe/semi-foundation/lib/es/resizable/constants';
import BaseComponent from '../../_base/baseComponent';
import { ResizeContext } from './resizeContext';
const prefixCls = cssClasses.PREFIX;
class ResizeItem extends BaseComponent {
constructor(props) {
super(props);
this.itemRef = /*#__PURE__*/createRef();
this.foundation = new ResizeItemFoundation(this.adapter);
this.state = {
isResizing: false
};
this.itemIndex = -1;
}
componentDidMount() {
this.foundation.init();
const {
min,
max,
onResizeStart,
onChange,
onResizeEnd,
defaultSize
} = this.props;
if (this.itemIndex === -1) {
// 开发过程在StrictMode下context方法会执行两次,需要判断一下是否已经注册过
this.itemIndex = this.context.registerItem(this.itemRef, min, max, defaultSize, onResizeStart, onChange, onResizeEnd);
}
this.direction = this.context.direction; // 留一个direction的引用,方便在componentDidUpdate中判断方向是否有变化
}
componentDidUpdate(_prevProps) {
var _a, _b;
// 支持动态方向,修改item的style
if (this.context.direction !== this.direction) {
this.direction = this.context.direction;
if (this.direction === 'horizontal') {
const newWidth = (_a = this.itemRef.current) === null || _a === void 0 ? void 0 : _a.style.height;
this.itemRef.current.style.width = newWidth;
this.itemRef.current.style.removeProperty('height');
} else {
const newHeight = (_b = this.itemRef.current) === null || _b === void 0 ? void 0 : _b.style.width;
this.itemRef.current.style.height = newHeight;
this.itemRef.current.style.removeProperty('width');
}
}
}
componentWillUnmount() {
this.foundation.destroy();
}
get adapter() {
return Object.assign({}, super.adapter);
}
render() {
const style = Object.assign({}, this.props.style);
return /*#__PURE__*/React.createElement("div", {
style: style,
className: classNames(this.props.className, prefixCls + '-item'),
ref: this.itemRef
}, this.props.children);
}
}
ResizeItem.propTypes = {
style: PropTypes.object,
className: PropTypes.string,
min: PropTypes.string,
max: PropTypes.string,
children: PropTypes.object,
onResizeStart: PropTypes.func,
onChange: PropTypes.func,
onResizeEnd: PropTypes.func,
defaultSize: PropTypes.oneOfType([PropTypes.string, PropTypes.number])
};
ResizeItem.defaultProps = {
onResizeStart: _noop,
onChange: _noop,
onResizeEnd: _noop
};
ResizeItem.contextType = ResizeContext;
export default ResizeItem;