react-toolbox/components/app_bar/AppBar.js

141 lines
3.6 KiB
JavaScript

import React, { PropTypes } from 'react';
import classnames from 'classnames';
import { themr } from 'react-css-themr';
import { APP_BAR } from '../identifiers';
import InjectIconButton from '../button/IconButton';
const factory = (IconButton) => {
class AppBar extends React.Component {
static propTypes = {
children: PropTypes.node,
className: PropTypes.string,
fixed: PropTypes.bool,
flat: PropTypes.bool,
leftIcon: PropTypes.oneOfType([
PropTypes.string,
PropTypes.element,
]),
onLeftIconClick: PropTypes.func,
onRightIconClick: PropTypes.func,
rightIcon: PropTypes.oneOfType([
PropTypes.string,
PropTypes.element,
]),
scrollHide: PropTypes.bool,
theme: PropTypes.shape({
appBar: PropTypes.string,
inner: PropTypes.string,
fixed: PropTypes.string,
flat: PropTypes.string,
leftIcon: PropTypes.string,
rightIcon: PropTypes.string,
scrollHide: PropTypes.string,
title: PropTypes.string,
}),
title: PropTypes.node,
};
static defaultProps = {
className: '',
fixed: false,
flat: false,
scrollHide: false,
};
state = { hidden: false, height: 0 };
componentDidMount() {
if (this.props.scrollHide) {
this.initializeScroll();
}
}
componentWillReceiveProps(nextProps) {
if (!this.props.scrollHide && nextProps.scrollHide) {
this.initializeScroll();
}
if (this.props.scrollHide && !nextProps.scrollHide) {
this.endScroll();
}
}
componentWillUnmount() {
if (this.props.scrollHide) {
this.endScroll();
}
}
initializeScroll = () => {
window.addEventListener('scroll', this.handleScroll);
const { height } = this.rootNode.getBoundingClientRect();
this.curScroll = window.scrollY;
this.setState({ height });
};
endScroll = () => {
window.removeEventListener('scroll', this.handleScroll);
};
handleScroll = () => {
const scrollDiff = this.curScroll - window.scrollY;
const hidden = scrollDiff < 0
&& window.scrollY !== undefined
&& window.scrollY > this.state.height;
this.setState({ hidden });
this.curScroll = window.scrollY;
};
render() {
const {
children,
leftIcon,
onLeftIconClick,
onRightIconClick,
rightIcon,
theme,
title,
} = this.props;
const className = classnames(theme.appBar, {
[theme.fixed]: this.props.fixed,
[theme.flat]: this.props.flat,
[theme.scrollHide]: this.state.hidden,
}, this.props.className);
return (
<header
className={className}
data-react-toolbox="app-bar"
ref={(node) => { this.rootNode = node; }}
>
<div className={theme.inner}>
{leftIcon && <IconButton
inverse
className={classnames(theme.leftIcon)}
onClick={onLeftIconClick}
icon={leftIcon}
/>
}
{title && <h1 className={classnames(theme.title)}>{title}</h1>}
{children}
{rightIcon && <IconButton
inverse
className={classnames(theme.rightIcon)}
onClick={onRightIconClick}
icon={rightIcon}
/>
}
</div>
</header>
);
}
}
return AppBar;
};
const AppBar = factory(InjectIconButton);
export default themr(APP_BAR)(AppBar);
export { factory as appBarFactory };
export { AppBar };