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| 1 | +import React, { Component, PropTypes } from 'react'; |
| 2 | +import ListItem from './ListItem'; |
| 3 | +import './list.scss'; |
| 4 | + |
| 5 | +const { number, node, array, bool, string } = PropTypes; |
| 6 | + |
| 7 | +class List extends Component { |
| 8 | + constructor(props) { |
| 9 | + super(props); |
| 10 | + |
| 11 | + this.state = { expanded: [] }; |
| 12 | + } |
| 13 | + |
| 14 | + onSelectItem(index) { |
| 15 | + const { collapsible, singleExpand } = this.props; |
| 16 | + |
| 17 | + if (!collapsible) { |
| 18 | + return false; |
| 19 | + } |
| 20 | + |
| 21 | + let { expanded } = this.state; |
| 22 | + const expandedIndex = expanded.indexOf(index); |
| 23 | + |
| 24 | + if (expandedIndex > -1) { |
| 25 | + // collapse expanded item |
| 26 | + expanded = [ |
| 27 | + ...expanded.slice(0, expandedIndex), |
| 28 | + ...expanded.slice(expandedIndex + 1) |
| 29 | + ]; |
| 30 | + } else if (singleExpand) { |
| 31 | + expanded = [index]; |
| 32 | + } else { |
| 33 | + expanded = [...expanded, index]; |
| 34 | + } |
| 35 | + |
| 36 | + this.setState({ expanded }); |
| 37 | + } |
| 38 | + |
| 39 | + showListItems() { |
| 40 | + const me = this; |
| 41 | + const { items, collapsible } = me.props; |
| 42 | + const { expanded } = me.state; |
| 43 | + const onSelectItem = me.onSelectItem.bind(me); |
| 44 | + |
| 45 | + return items.map((item, idx) => { |
| 46 | + const itemExpanded = !!(expanded.indexOf(idx) > -1); |
| 47 | + return (<ListItem |
| 48 | + {...item} |
| 49 | + onSelectItem={onSelectItem} |
| 50 | + collapsible={collapsible} |
| 51 | + expanded={itemExpanded} |
| 52 | + key={idx} |
| 53 | + index={idx} |
| 54 | + />); |
| 55 | + }); |
| 56 | + } |
| 57 | + |
| 58 | + render() { |
| 59 | + const { columns, children, className } = this.props; |
| 60 | + return ( |
| 61 | + <div className={`list columns-${columns} ${className}`}> |
| 62 | + { this.showListItems() } |
| 63 | + { children } |
| 64 | + </div> |
| 65 | + ); |
| 66 | + } |
| 67 | +} |
| 68 | + |
| 69 | +List.propTypes = { |
| 70 | + columns: number, |
| 71 | + children: node, |
| 72 | + items: array, |
| 73 | + collapsible: bool, |
| 74 | + className: string, |
| 75 | + singleExpand: bool |
| 76 | +}; |
| 77 | + |
| 78 | +List.defaultProps = { |
| 79 | + columns: 1, |
| 80 | + className: '', |
| 81 | + items: [], |
| 82 | + collapsible: false, |
| 83 | + singleExpand: true |
| 84 | +}; |
| 85 | + |
| 86 | +export default List; |
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