104 lines
2.5 KiB
JavaScript
104 lines
2.5 KiB
JavaScript
/* global React */
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import { addons } from 'react/addons';
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import style from './style';
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function _pointerPosition (index = 0, navigation) {
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const label = navigation.children[index].getBoundingClientRect();
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return {
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top: `${navigation.getBoundingClientRect().height}px`,
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left: `${label.left}px`,
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width: `${label.width}px`
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};
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}
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export default React.createClass({
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mixins: [addons.PureRenderMixin],
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displayName: 'Tabs',
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propTypes: {
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className: React.PropTypes.string,
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index: React.PropTypes.number.isRequired,
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onChange: React.PropTypes.func
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},
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getDefaultProps () {
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return {
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className: '',
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index: 0
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};
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},
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getInitialState () {
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return {
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index: this.props.index,
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pointer: {}
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};
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},
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componentDidMount () {
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this.setState({
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pointer: _pointerPosition(this.state.index, this.refs.navigation.getDOMNode())
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});
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},
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componentWillReceiveProps (next_props) {
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const index = next_props.index || this.state.index;
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this.setState({
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index: index,
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pointer: _pointerPosition(index, this.refs.navigation.getDOMNode())
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});
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},
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onClick (index) {
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this.setState({
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index: index,
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pointer: _pointerPosition(index, this.refs.navigation.getDOMNode())
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});
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if (this.props.onChange) this.props.onChange(this);
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},
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render () {
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let labels = [];
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const tabs = this.props.children.map((tab, index) => {
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let active = this.state.index === index;
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let className = tab.props.className;
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if (active) className += ' active';
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if (tab.props.disabled) className += ' disabled';
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if (tab.props.hidden) className += ' hidden';
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labels.push({
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className: className,
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label: tab.props.label,
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key: index,
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onClick: !tab.props.disabled ? this.onClick.bind(null, index) : null
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});
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return React.cloneElement(tab, {active: active, key: index, tabIndex: index });
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});
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return (
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<div
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data-react-toolbox='tabs'
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className={style.root + ' ' + this.props.className}
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data-flex='vertical'
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>
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<nav ref='navigation' data-flex='horizontal'>
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{ labels.map((props) => { return <label {...props}>{props.label}</label>; }) }
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</nav>
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<span className={style.pointer} style={this.state.pointer}></span>
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{ tabs }
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</div>
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);
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},
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active (value) {
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this.setState({active: value});
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if (this.props.onActive && value) {
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this.props.onActive(this);
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}
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}
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});
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