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React expandable table rows example
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class ParentComponent extends Component { | |
constructor() { | |
super(); | |
this.state = { | |
data : [ | |
{id : 1, date : "2014-04-18", total : 121.0, status : "Shipped", name : "A", points: 5, percent : 50}, | |
{id : 2, date : "2014-04-21", total : 121.0, status : "Not Shipped", name : "B", points: 10, percent: 60}, | |
{id : 3, date : "2014-08-09", total : 121.0, status : "Not Shipped", name : "C", points: 15, percent: 70}, | |
{id : 4, date : "2014-04-24", total : 121.0, status : "Shipped", name : "D", points: 20, percent : 80}, | |
{id : 5, date : "2014-04-26", total : 121.0, status : "Shipped", name : "E", points: 25, percent : 90}, | |
], | |
expandedRows : [] | |
}; | |
} | |
handleRowClick(rowId) { | |
const currentExpandedRows = this.state.expandedRows; | |
const isRowCurrentlyExpanded = currentExpandedRows.includes(rowId); | |
const newExpandedRows = isRowCurrentlyExpanded ? | |
currentExpandedRows.filter(id => id !== rowId) : | |
currentExpandedRows.concat(rowId); | |
this.setState({expandedRows : newExpandedRows}); | |
} | |
renderItem(item) { | |
const clickCallback = () => this.handleRowClick(item.id); | |
const itemRows = [ | |
<tr onClick={clickCallback} key={"row-data-" + item.id}> | |
<td>{item.date}</td> | |
<td>{item.total}</td> | |
<td>{item.status}</td> | |
</tr> | |
]; | |
if(this.state.expandedRows.includes(item.id)) { | |
itemRows.push( | |
<tr key={"row-expanded-" + item.id}> | |
<td>{item.name}</td> | |
<td>{item.points}</td> | |
<td>{item.percent}</td> | |
</tr> | |
); | |
} | |
return itemRows; | |
} | |
render() { | |
let allItemRows = []; | |
this.state.data.forEach(item => { | |
const perItemRows = this.renderItem(item); | |
allItemRows = allItemRows.concat(perItemRows); | |
}); | |
return ( | |
<table>{allItemRows}</table> | |
); | |
} | |
} |
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