@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.
194 lines • 7.3 kB
JavaScript
var __rest = this && this.__rest || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];
}
return t;
};
import React, { createRef } from 'react';
import classNames from 'classnames';
import { ResizeGroupFoundation } 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';
import '@douyinfe/semi-foundation/lib/es/resizable/resizable.css';
const prefixCls = cssClasses.PREFIX;
class ResizeGroup extends BaseComponent {
constructor(props) {
var _this;
// 在context中使用的属性需要考虑在strictMode下会执行两次，所以用Map来维护
super(props);
_this = this;
this.itemRefs = new Map();
this.itemMinMap = new Map();
this.itemMaxMap = new Map();
this.itemMinusMap = new Map();
this.itemDefaultSizeList = new Map();
this.itemResizeStart = new Map();
this.itemResizing = new Map();
this.itemResizeEnd = new Map();
this.handlerRefs = new Map();
this.registerEvent = function () {
let type = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'mouse';
if (_this.window) {
if (type === 'mouse') {
_this.window.addEventListener('mousemove', _this.foundation.onMouseMove);
_this.window.addEventListener('mouseup', _this.foundation.onResizeEnd);
_this.window.addEventListener('mouseleave', _this.foundation.onResizeEnd);
} else {
_this.window.addEventListener('touchmove', _this.foundation.onTouchMove, {
passive: false
});
_this.window.addEventListener('touchend', _this.foundation.onResizeEnd);
_this.window.addEventListener('touchcancel', _this.foundation.onResizeEnd);
}
}
};
this.unregisterEvent = function () {
let type = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'mouse';
if (_this.window) {
if (type === 'mouse') {
_this.window.removeEventListener('mousemove', _this.foundation.onMouseMove);
_this.window.removeEventListener('mouseup', _this.foundation.onResizeEnd);
_this.window.removeEventListener('mouseleave', _this.foundation.onResizeEnd);
} else {
_this.window.removeEventListener('touchmove', _this.foundation.onTouchMove, {
passive: false
});
_this.window.removeEventListener('touchend', _this.foundation.onResizeEnd);
_this.window.removeEventListener('touchcancel', _this.foundation.onResizeEnd);
}
}
};
this.registerItem = (ref, min, max, defaultSize, onResizeStart, onChange, onResizeEnd) => {
if (Array.from(this.itemRefs.values()).some(r => r === ref)) {
return -1;
}
let index = this.itemRefs.size;
this.itemRefs.set(index, ref);
this.itemMinMap.set(index, min);
this.itemMaxMap.set(index, max);
this.itemDefaultSizeList.set(index, defaultSize);
this.itemResizeStart.set(index, onResizeStart);
this.itemResizing.set(index, onChange);
this.itemResizeEnd.set(index, onResizeEnd);
return index;
};
this.registerHandler = ref => {
if (Array.from(this.handlerRefs.values()).some(r => r === ref)) {
return -1;
}
let index = this.handlerRefs.size;
this.handlerRefs.set(index, ref);
return index;
};
this.getGroupSize = () => {
return this.groupSize;
};
this.groupRef = /*#__PURE__*/createRef();
this.foundation = new ResizeGroupFoundation(this.adapter);
this.state = {
isResizing: false,
originalPosition: {
x: 0,
y: 0,
lastItemSize: 0,
nextItemSize: 0,
lastOffset: 0,
nextOffset: 0
},
backgroundStyle: {
cursor: 'auto'
},
curHandler: null,
contextValue: {
direction: props.direction,
registerItem: this.registerItem,
registerHandler: this.registerHandler,
notifyResizeStart: this.foundation.onResizeStart,
getGroupSize: this.getGroupSize
}
};
}
componentDidMount() {
this.foundation.init();
// 监听窗口大小变化，保证一些限制仍生效
window.addEventListener('resize', this.foundation.ensureConstraint);
}
componentDidUpdate(prevProps) {
// 支持动态调整伸缩direction
if (this.props.direction !== prevProps.direction) {
this.setState(prevState => Object.assign(Object.assign({}, prevState), {
contextValue: Object.assign(Object.assign({}, prevState.contextValue), {
direction: this.props.direction
})
}));
this.foundation.direction = this.props.direction;
}
}
componentWillUnmount() {
this.foundation.destroy();
window.removeEventListener('resize', this.foundation.ensureConstraint);
}
get adapter() {
return Object.assign(Object.assign({}, super.adapter), {
getGroupRef: () => this.groupRef.current,
getItem: id => this.itemRefs.get(id).current,
getItemCount: () => this.itemRefs.size,
getHandler: id => this.handlerRefs.get(id).current,
getHandlerCount: () => this.handlerRefs.size,
getItemMin: index => {
return this.itemMinMap.get(index);
},
getItemMax: index => {
return this.itemMaxMap.get(index);
},
getItemChange: index => {
return this.itemResizing.get(index);
},
getItemEnd: index => {
return this.itemResizeEnd.get(index);
},
getItemStart: index => {
return this.itemResizeStart.get(index);
},
getItemDefaultSize: index => {
return this.itemDefaultSizeList.get(index);
},
registerEvents: this.registerEvent,
unregisterEvents: this.unregisterEvent
});
}
get window() {
var _a;
return (_a = this.groupRef.current.ownerDocument.defaultView) !== null && _a !== void 0 ? _a : null;
}
render() {
const _a = this.props,
{
children,
direction,
className
} = _a,
rest = __rest(_a, ["children", "direction", "className"]);
return /*#__PURE__*/React.createElement(ResizeContext.Provider, {
value: this.state.contextValue
}, /*#__PURE__*/React.createElement("div", Object.assign({
style: {
flexDirection: direction === 'vertical' ? 'column' : 'row'
},
ref: this.groupRef,
className: classNames(className, prefixCls + '-group')
}, rest), this.state.isResizing && /*#__PURE__*/React.createElement("div", {
style: this.state.backgroundStyle,
className: classNames(className, prefixCls + '-background')
}), children));
}
}
ResizeGroup.propTypes = {};
ResizeGroup.defaultProps = {
direction: 'horizontal'
};
ResizeGroup.contextType = ResizeContext;
export default ResizeGroup;