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import React from 'react';
import classNames from 'classnames';
import omit from 'omit.js';
import Icon from '../icon';
export interface SiderProps {
style?: React.CSSProperties;
prefixCls?: string;
className?: string;
collapsible?: boolean;
collapsed?: boolean;
defaultCollapsed?: boolean;
onCollapse?: (collapsed: boolean) => void;
trigger?: React.ReactNode;
width?: number | string;
collapsedWidth?: number;
}
export default class Sider extends React.Component<SiderProps, any> {
static defaultProps = {
prefixCls: 'ant-layout-sider',
collapsible: false,
defaultCollapsed: false,
width: 200,
collapsedWidth: 64,
style: {},
name: 'Sider',
};
constructor(props) {
super(props);
let collapsed;
if ('collapsed' in props) {
collapsed = props.collapsed;
} else {
collapsed = props.defaultCollapsed;
}
this.state = {
collapsed,
};
}
componentWillReceiveProps(nextProps) {
if ('collapsed' in nextProps) {
this.setState({
collapsed: nextProps.collapsed,
});
}
}
setCollapsed = (collapsed) => {
if (!('collapsed' in this.props)) {
this.setState({
collapsed,
});
}
const { onCollapse } = this.props;
if (onCollapse) {
onCollapse(collapsed);
}
}
toggle = () => {
const collapsed = !this.state.collapsed;
this.setCollapsed(collapsed);
}
render() {
const {
prefixCls, className, collapsible, trigger, style, width, collapsedWidth,
...others,
} = this.props;
const divProps = omit(others, ['collapsed', 'defaultCollapsed', 'onCollapse', 'name']);
const siderCls = classNames(className, prefixCls, {
[`${prefixCls}-collapsed`]: !!this.state.collapsed,
[`${prefixCls}-has-trigger`]: !!trigger,
});
const divStyle = {
...style,
flex: `0 0 ${this.state.collapsed ? collapsedWidth : width}px`,
};
const iconObj = {
'expanded': <Icon type="left" />,
'collapsed': <Icon type="right" />,
};
const status = this.state.collapsed ? 'collapsed' : 'expanded';
const defaultTrigger = iconObj[status];
const triggerDom = (
trigger !== null ?
(<div className={`${prefixCls}-trigger`} onClick={this.toggle}>
{trigger || defaultTrigger}
</div>)
: null
);
return (
<div className={siderCls} {...divProps} style={divStyle}>
{this.props.children}
{collapsible && triggerDom}
</div>
);
}
}