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import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { observer } from 'mobx-react';
import classnames from 'classnames';
import { oneOrManyChildElements } from '../../../prop-types';
@observer
class Tab extends Component {
constructor(props) {
super(props);
this.state = { active: this.props.active };
}
static propTypes = {
children: oneOrManyChildElements.isRequired,
active: PropTypes.number,
};
static defaultProps = {
active: 0,
};
switchTab(index) {
this.setState({ active: index });
}
render() {
const { children: childElements } = this.props;
const children = childElements.filter(c => !!c);
if (children.length === 1) {
return <div>{children}</div>;
}
return (
<div className="content-tabs">
<div className="content-tabs__tabs">
{React.Children.map(children, (child, i) => (
<button
key="{i}"
className={classnames({
'content-tabs__item': true,
'is-active': this.state.active === i,
})}
onClick={() => this.switchTab(i)}
type="button"
>
{child.props.title}
</button>
))}
</div>
<div className="content-tabs__content">
{React.Children.map(children, (child, i) => (
<div
key="{i}"
className={classnames({
'content-tabs__item': true,
'is-active': this.state.active === i,
})}
type="button"
>
{child}
</div>
))}
</div>
</div>
);
}
}
export default Tab;
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