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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,187 @@ | ||
| /* eslint-disable no-unused-expressions,new-cap */ | ||
| import React from 'react'; | ||
| import ReactDOM from 'react-dom'; | ||
| import { injectGlobal } from 'styled-components'; | ||
| import update from 'immutability-helper'; | ||
| import { DragDropContext, DragSource, DropTarget } from 'react-dnd'; | ||
| import HTML5Backend from 'react-dnd-html5-backend'; | ||
| import Table from 'rc-table'; | ||
| import 'rc-table/assets/index.less'; | ||
|
|
||
| injectGlobal` | ||
| tr.drop-over-downward td { | ||
| border-bottom: 2px dashed red; | ||
| } | ||
| tr.drop-over-upward td { | ||
| border-top: 2px dashed red; | ||
| } | ||
| `; | ||
|
|
||
| function dragDirection( | ||
| dragIndex, | ||
| hoverIndex, | ||
| initialClientOffset, | ||
| clientOffset, | ||
| sourceClientOffset, | ||
| ) { | ||
| const hoverMiddleY = (initialClientOffset.y - sourceClientOffset.y) / 2; | ||
| const hoverClientY = clientOffset.y - sourceClientOffset.y; | ||
| if (dragIndex < hoverIndex && hoverClientY > hoverMiddleY) { | ||
| return 'downward'; | ||
| } | ||
| if (dragIndex > hoverIndex && hoverClientY < hoverMiddleY) { | ||
| return 'upward'; | ||
| } | ||
| } | ||
|
|
||
| let BodyRow = (props) => { | ||
| const { | ||
| isOver, | ||
| connectDragSource, | ||
| connectDropTarget, | ||
| moveRow, | ||
| dragRow, | ||
| clientOffset, | ||
| sourceClientOffset, | ||
| initialClientOffset, | ||
| ...restProps, | ||
| } = props; | ||
| const style = { cursor: 'move' }; | ||
|
|
||
| let className = restProps.className; | ||
| if (isOver && initialClientOffset) { | ||
| const direction = dragDirection( | ||
| dragRow.index, | ||
| restProps.index, | ||
| initialClientOffset, | ||
| clientOffset, | ||
| sourceClientOffset | ||
| ); | ||
| if (direction === 'downward') { | ||
| className += ' drop-over-downward'; | ||
| } | ||
| if (direction === 'upward') { | ||
| className += ' drop-over-upward'; | ||
| } | ||
| } | ||
|
|
||
| return connectDragSource( | ||
| connectDropTarget( | ||
| <tr | ||
| {...restProps} | ||
| className={className} | ||
| style={style} | ||
| /> | ||
| ) | ||
| ); | ||
| }; | ||
|
|
||
| const rowSource = { | ||
| beginDrag(props) { | ||
| return { | ||
| index: props.index, | ||
| }; | ||
| }, | ||
| }; | ||
|
|
||
| const rowTarget = { | ||
| drop(props, monitor) { | ||
| const dragIndex = monitor.getItem().index; | ||
| const hoverIndex = props.index; | ||
|
|
||
| // Don't replace items with themselves | ||
| if (dragIndex === hoverIndex) { | ||
| return; | ||
| } | ||
|
|
||
| // Time to actually perform the action | ||
| props.moveRow(dragIndex, hoverIndex); | ||
|
|
||
| // Note: we're mutating the monitor item here! | ||
| // Generally it's better to avoid mutations, | ||
| // but it's good here for the sake of performance | ||
| // to avoid expensive index searches. | ||
| monitor.getItem().index = hoverIndex; | ||
| }, | ||
| }; | ||
|
|
||
| BodyRow = DropTarget('row', rowTarget, (connect, monitor) => ({ | ||
| connectDropTarget: connect.dropTarget(), | ||
| isOver: monitor.isOver(), | ||
| sourceClientOffset: monitor.getSourceClientOffset(), | ||
| }))( | ||
| DragSource('row', rowSource, (connect, monitor) => ({ | ||
| connectDragSource: connect.dragSource(), | ||
| dragRow: monitor.getItem(), | ||
| clientOffset: monitor.getClientOffset(), | ||
| initialClientOffset: monitor.getInitialClientOffset(), | ||
| }))(BodyRow) | ||
| ); | ||
|
|
||
| const columns = [ | ||
| { title: 'title1', dataIndex: 'a', key: 'a', width: 100 }, | ||
| { id: '123', title: 'title2', dataIndex: 'b', key: 'b', width: 100 }, | ||
| { title: 'title3', dataIndex: 'c', key: 'c', width: 200 }, | ||
| { | ||
| title: 'Operations', | ||
| dataIndex: '', | ||
| key: 'd', | ||
| render() { | ||
| return <a href="#">Operations</a>; | ||
| }, | ||
| }, | ||
| ]; | ||
|
|
||
| class Demo extends React.Component { | ||
| state = { | ||
| data: [ | ||
| { a: '123', key: '1' }, | ||
| { a: 'cdd', b: 'edd', key: '2' }, | ||
| { a: '1333', c: 'eee', d: 2, key: '3' }, | ||
| ], | ||
| } | ||
|
|
||
| components = { | ||
| body: { | ||
| row: BodyRow, | ||
| }, | ||
| } | ||
|
|
||
| moveRow = (dragIndex, hoverIndex) => { | ||
| const { data } = this.state; | ||
| const dragRow = data[dragIndex]; | ||
|
|
||
| this.setState( | ||
| update(this.state, { | ||
| data: { | ||
| $splice: [[dragIndex, 1], [hoverIndex, 0, dragRow]], | ||
| }, | ||
| }), | ||
| ); | ||
| } | ||
|
|
||
| render() { | ||
| return ( | ||
| <Table | ||
| columns={columns} | ||
| data={this.state.data} | ||
| components={this.components} | ||
| onRow={(record, index) => ({ | ||
| index, | ||
| moveRow: this.moveRow, | ||
| })} | ||
| /> | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| Demo = DragDropContext(HTML5Backend)(Demo); | ||
|
|
||
| ReactDOM.render( | ||
| <div> | ||
| <h2>Custom Component</h2> | ||
| <Demo /> | ||
| </div>, | ||
| document.getElementById('__react-content') | ||
| ); |
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