72 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import React from 'react';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import PropTypes from 'prop-types';
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import StatusContainer from '../containers/status_container';
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import ImmutablePureComponent from 'react-immutable-pure-component';
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import ScrollableList from './scrollable_list';
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export default class StatusList extends ImmutablePureComponent {
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  static propTypes = {
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    scrollKey: PropTypes.string.isRequired,
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    statusIds: ImmutablePropTypes.list.isRequired,
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    onScrollToBottom: PropTypes.func,
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    onScrollToTop: PropTypes.func,
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    onScroll: PropTypes.func,
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    trackScroll: PropTypes.bool,
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    shouldUpdateScroll: PropTypes.func,
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    isLoading: PropTypes.bool,
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    hasMore: PropTypes.bool,
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    prepend: PropTypes.node,
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    emptyMessage: PropTypes.node,
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  };
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  static defaultProps = {
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    trackScroll: true,
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  };
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  handleMoveUp = id => {
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    const elementIndex = this.props.statusIds.indexOf(id) - 1;
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    this._selectChild(elementIndex);
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  }
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  handleMoveDown = id => {
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    const elementIndex = this.props.statusIds.indexOf(id) + 1;
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    this._selectChild(elementIndex);
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  }
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  _selectChild (index) {
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    const element = this.node.node.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
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    if (element) {
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      element.focus();
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    }
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  }
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  setRef = c => {
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    this.node = c;
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  }
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  render () {
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    const { statusIds, ...other } = this.props;
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    const { isLoading } = other;
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    const scrollableContent = (isLoading || statusIds.size > 0) ? (
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      statusIds.map((statusId) => (
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        <StatusContainer
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          key={statusId}
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          id={statusId}
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          onMoveUp={this.handleMoveUp}
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          onMoveDown={this.handleMoveDown}
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        />
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      ))
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    ) : null;
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    return (
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      <ScrollableList {...other} ref={this.setRef}>
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        {scrollableContent}
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      </ScrollableList>
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    );
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  }
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}
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