stremio-web/src/common/Popup/Popup.js
NikolaBorislavovHristov 0ca77b28e6 minor refactor in Popup
2019-01-04 12:48:50 +02:00

236 lines
10 KiB
JavaScript

import React, { Component, Fragment } from 'react';
import PropTypes from 'prop-types';
import classnames from 'classnames';
import { Modal } from 'stremio-common';
import Label from './Label';
import Menu from './Menu';
import styles from './styles';
class Popup extends Component {
constructor(props) {
super(props);
this.labelRef = React.createRef();
this.labelBorderTopRef = React.createRef();
this.labelBorderRightRef = React.createRef();
this.labelBorderBottomRef = React.createRef();
this.labelBorderLeftRef = React.createRef();
this.menuRef = React.createRef();
this.menuScrollRef = React.createRef();
this.menuBorderTopRef = React.createRef();
this.menuBorderRightRef = React.createRef();
this.menuBorderBottomRef = React.createRef();
this.menuBorderLeftRef = React.createRef();
this.hiddenBorderRef = React.createRef();
this.state = {
open: false
};
}
componentDidMount() {
window.addEventListener('blur', this.close);
window.addEventListener('resize', this.close);
window.addEventListener('keyup', this.onKeyUp);
}
componentWillUnmount() {
window.removeEventListener('blur', this.close);
window.removeEventListener('resize', this.close);
window.removeEventListener('keyup', this.onKeyUp);
}
shouldComponentUpdate(nextProps, nextState) {
return nextProps.children !== this.props.children ||
nextState.open !== this.state.open;
}
componentDidUpdate(prevProps, prevState) {
if (this.state.open && !prevState.open) {
this.updateStyles();
if (typeof this.props.onOpen === 'function') {
this.props.onOpen();
}
} else if (!this.state.open && prevState.open && typeof this.props.onClose === 'function') {
this.props.onClose();
}
}
updateStyles = () => {
const menuDirections = {};
const bodyRect = document.body.getBoundingClientRect();
const menuRect = this.menuRef.current.getBoundingClientRect();
const labelRect = this.labelRef.current.getBoundingClientRect();
const borderSize = parseFloat(window.getComputedStyle(this.hiddenBorderRef.current).getPropertyValue('border-top-width'));
const labelPosition = {
left: labelRect.x - bodyRect.x,
top: labelRect.y - bodyRect.y,
right: (bodyRect.width + bodyRect.x) - (labelRect.x + labelRect.width),
bottom: (bodyRect.height + bodyRect.y) - (labelRect.y + labelRect.height)
};
if (menuRect.height <= labelPosition.bottom) {
this.menuRef.current.style.top = `${labelPosition.top + labelRect.height}px`;
this.menuScrollRef.current.style.maxHeight = `${labelPosition.bottom}px`;
menuDirections.bottom = true;
} else if (menuRect.height <= labelPosition.top) {
this.menuRef.current.style.bottom = `${labelPosition.bottom + labelRect.height}px`;
this.menuScrollRef.current.style.maxHeight = `${labelPosition.top}px`;
menuDirections.top = true;
} else if (labelPosition.bottom >= labelPosition.top) {
this.menuRef.current.style.top = `${labelPosition.top + labelRect.height}px`;
this.menuScrollRef.current.style.maxHeight = `${labelPosition.bottom}px`;
menuDirections.bottom = true;
} else {
this.menuRef.current.style.bottom = `${labelPosition.bottom + labelRect.height}px`;
this.menuScrollRef.current.style.maxHeight = `${labelPosition.top}px`;
menuDirections.top = true;
}
if (menuRect.width <= (labelPosition.right + labelRect.width)) {
this.menuRef.current.style.left = `${labelPosition.left}px`;
this.menuScrollRef.current.style.maxWidth = `${labelPosition.right + labelRect.width}px`;
menuDirections.right = true;
} else if (menuRect.width <= (labelPosition.left + labelRect.width)) {
this.menuRef.current.style.right = `${labelPosition.right}px`;
this.menuScrollRef.current.style.maxWidth = `${labelPosition.left + labelRect.width}px`;
menuDirections.left = true;
} else if (labelPosition.right > labelPosition.left) {
this.menuRef.current.style.left = `${labelPosition.left}px`;
this.menuScrollRef.current.style.maxWidth = `${labelPosition.right + labelRect.width}px`;
menuDirections.right = true;
} else {
this.menuRef.current.style.right = `${labelPosition.right}px`;
this.menuScrollRef.current.style.maxWidth = `${labelPosition.left + labelRect.width}px`;
menuDirections.left = true;
}
if (this.props.border) {
this.menuBorderTopRef.current.style.height = `${borderSize}px`;
this.menuBorderRightRef.current.style.width = `${borderSize}px`;
this.menuBorderBottomRef.current.style.height = `${borderSize}px`;
this.menuBorderLeftRef.current.style.width = `${borderSize}px`;
this.labelBorderTopRef.current.style.height = `${borderSize}px`;
this.labelBorderTopRef.current.style.top = `${labelPosition.top}px`;
this.labelBorderTopRef.current.style.right = `${labelPosition.right}px`;
this.labelBorderTopRef.current.style.left = `${labelPosition.left}px`;
this.labelBorderRightRef.current.style.width = `${borderSize}px`;
this.labelBorderRightRef.current.style.top = `${labelPosition.top}px`;
this.labelBorderRightRef.current.style.right = `${labelPosition.right}px`;
this.labelBorderRightRef.current.style.bottom = `${labelPosition.bottom}px`;
this.labelBorderBottomRef.current.style.height = `${borderSize}px`;
this.labelBorderBottomRef.current.style.right = `${labelPosition.right}px`;
this.labelBorderBottomRef.current.style.bottom = `${labelPosition.bottom}px`;
this.labelBorderBottomRef.current.style.left = `${labelPosition.left}px`;
this.labelBorderLeftRef.current.style.width = `${borderSize}px`;
this.labelBorderLeftRef.current.style.top = `${labelPosition.top}px`;
this.labelBorderLeftRef.current.style.bottom = `${labelPosition.bottom}px`;
this.labelBorderLeftRef.current.style.left = `${labelPosition.left}px`;
if (menuDirections.top) {
this.labelBorderTopRef.current.style.display = 'none';
if (menuDirections.left) {
this.menuBorderBottomRef.current.style.right = `${labelRect.width - borderSize}px`;
} else {
this.menuBorderBottomRef.current.style.left = `${labelRect.width - borderSize}px`;
}
} else {
this.labelBorderBottomRef.current.style.display = 'none';
if (menuDirections.left) {
this.menuBorderTopRef.current.style.right = `${labelRect.width - borderSize}px`;
} else {
this.menuBorderTopRef.current.style.left = `${labelRect.width - borderSize}px`;
}
}
}
this.menuRef.current.style.visibility = 'visible';
}
onKeyUp = (event) => {
if (this.state.open && event.keyCode === 27) { // escape
event.stopPropagation();
this.close();
}
}
open = () => {
this.setState({ open: true });
}
close = () => {
this.setState({ open: false });
}
menuContainerOnClick = (event) => {
event.stopPropagation();
}
renderLabel(children) {
return React.cloneElement(children, { ref: this.labelRef, onClick: this.open });
}
renderMenu(children) {
if (!this.state.open) {
return null;
}
return (
<Modal className={classnames('modal-container', this.props.className)} onClick={this.close}>
<div ref={this.menuRef} className={styles['menu-container']} onClick={this.menuContainerOnClick}>
<div ref={this.menuScrollRef} className={styles['scroll-container']}>
{children}
</div>
<div ref={this.menuBorderTopRef} className={classnames(styles['border'], styles['border-top'])} />
<div ref={this.menuBorderRightRef} className={classnames(styles['border'], styles['border-right'])} />
<div ref={this.menuBorderBottomRef} className={classnames(styles['border'], styles['border-bottom'])} />
<div ref={this.menuBorderLeftRef} className={classnames(styles['border'], styles['border-left'])} />
</div>
<div ref={this.labelBorderTopRef} className={classnames(styles['border'], styles['border-top'])} />
<div ref={this.labelBorderRightRef} className={classnames(styles['border'], styles['border-right'])} />
<div ref={this.labelBorderBottomRef} className={classnames(styles['border'], styles['border-bottom'])} />
<div ref={this.labelBorderLeftRef} className={classnames(styles['border'], styles['border-left'])} />
<div ref={this.hiddenBorderRef} className={classnames(styles['border'], styles['border-hidden'])} />
</Modal>
);
}
render() {
if (React.Children.count(this.props.children) !== 2) {
console.warn(new Error('Popup children should be one Popup.Label and one Popup.Menu'));
return null;
}
if (!React.isValidElement(this.props.children[0]) || this.props.children[0].type !== Label) {
console.warn(new Error('First Popup child should be of type Popup.Label'));
return null;
}
if (!React.isValidElement(this.props.children[1]) || this.props.children[1].type !== Menu) {
console.warn(new Error('Second Popup child should be of type Popup.Menu'));
return null;
}
return (
<Fragment>
{this.renderLabel(this.props.children[0])}
{this.renderMenu(this.props.children[1])}
</Fragment>
);
}
}
Popup.Label = Label;
Popup.Menu = Menu;
Popup.propTypes = {
className: PropTypes.string,
onOpen: PropTypes.func,
onClose: PropTypes.func,
border: PropTypes.bool.isRequired
};
Popup.defaultProps = {
border: false
};
export default Popup;