|
| 1 | + |
| 2 | +# 拖拽排序 |
| 3 | + |
| 4 | +- order: 24 |
| 5 | + |
| 6 | +可拖拽的表格。拖拽功能的实现依赖react-dnd@7.x 及react-dnd-html5-backend@7.x， 它要求react react-dom 版本高于16.3.x |
| 7 | + |
| 8 | +:::lang=en-us |
| 9 | +# Simple |
| 10 | + |
| 11 | +- order: 24 |
| 12 | + |
| 13 | +Dragable table with sort. It requires react-dnd@7.x, react-dnd-html5-backend@7.x, react@16.3.x and react-dom@16.3.x |
| 14 | +::: |
| 15 | + |
| 16 | +--- |
| 17 | + |
| 18 | +````jsx |
| 19 | +import { Table } from '@alifd/next'; |
| 20 | +import { DragDropContext, DragSource, DropTarget } from 'react-dnd'; |
| 21 | +import HTML5Backend from 'react-dnd-html5-backend'; |
| 22 | +import classnames from 'classnames'; |
| 23 | + |
| 24 | +const { SelectionRow } = Table; |
| 25 | + |
| 26 | +let dragingIndex = -1; |
| 27 | + |
| 28 | +function MyRow (props) { |
| 29 | + const { |
| 30 | + isDragging, |
| 31 | + isOver, |
| 32 | + connectDragSource, |
| 33 | + connectDropTarget, |
| 34 | + moveRow, |
| 35 | + className, |
| 36 | + ...others |
| 37 | + } = props; |
| 38 | + |
| 39 | + const opacity = isDragging ? 0 : 1; |
| 40 | + const style = { ...others.style, cursor: 'move' }; |
| 41 | + |
| 42 | + const cls = classnames({ |
| 43 | + [className]: className, |
| 44 | + 'drop-over-upward': isOver && others.index < dragingIndex, |
| 45 | + 'drop-over-downward': isOver && others.index > dragingIndex, |
| 46 | + }); |
| 47 | + |
| 48 | + return <SelectionRow {...others} |
| 49 | + style={{ ...style, ...{ opacity } }} |
| 50 | + className={cls} |
| 51 | + wrapper={(row) => connectDragSource(connectDropTarget(row))} /> |
| 52 | +} |
| 53 | + |
| 54 | +const NewRow = DropTarget( |
| 55 | + 'row', |
| 56 | + { |
| 57 | + drop(props, monitor) { |
| 58 | + const dragIndex = monitor.getItem().index; |
| 59 | + const hoverIndex = props.index; |
| 60 | + |
| 61 | + if (dragIndex === hoverIndex) { |
| 62 | + return; |
| 63 | + } |
| 64 | + |
| 65 | + props.moveRow(dragIndex, hoverIndex); |
| 66 | + monitor.getItem().index = hoverIndex; |
| 67 | + }, |
| 68 | + }, |
| 69 | + (connect, monitor) => ({ |
| 70 | + connectDropTarget: connect.dropTarget(), |
| 71 | + isOver: monitor.isOver(), |
| 72 | + }), |
| 73 | +)( |
| 74 | + DragSource( |
| 75 | + 'row', |
| 76 | + { |
| 77 | + beginDrag: props => { |
| 78 | + dragingIndex = props.index; |
| 79 | + return { |
| 80 | + id: props.record[props.primaryKey], |
| 81 | + index: props.rowIndex, |
| 82 | + }; |
| 83 | + }, |
| 84 | + }, |
| 85 | + (connect, monitor) => ({ |
| 86 | + connectDragSource: connect.dragSource(), |
| 87 | + isDragging: monitor.isDragging(), |
| 88 | + }), |
| 89 | + )(MyRow), |
| 90 | +); |
| 91 | + |
| 92 | +class InnerTable extends React.Component { |
| 93 | + |
| 94 | + constructor(props) { |
| 95 | + super(props); |
| 96 | + this.state = { |
| 97 | + dataSource: [...props.dataSource], |
| 98 | + }; |
| 99 | + } |
| 100 | + |
| 101 | + componentWillReceiveProps(nextProps) { |
| 102 | + if (nextProps.dataSource && JSON.stringify(nextProps.dataSource) !== |
| 103 | + JSON.stringify(this.state.dataSource)) { |
| 104 | + this.setState({ dataSource: [...nextProps.dataSource] }); |
| 105 | + } |
| 106 | + } |
| 107 | + |
| 108 | + moveRow = (dragIndex, hoverIndex) => { |
| 109 | + let { onSort } = this.props; |
| 110 | + const dragRow = this.state.dataSource[dragIndex]; |
| 111 | + let dataSource = [...this.state.dataSource]; |
| 112 | + dataSource.splice(dragIndex, 1); |
| 113 | + dataSource.splice(hoverIndex, 0, dragRow); |
| 114 | + this.setState({ |
| 115 | + dataSource, |
| 116 | + }); |
| 117 | + |
| 118 | + onSort && onSort(this.state.dataSource); |
| 119 | + }; |
| 120 | + |
| 121 | + render() { |
| 122 | + |
| 123 | + let { excludeProvider, ...restProps } = this.props; |
| 124 | + const tableProps = { |
| 125 | + ...restProps, |
| 126 | + dataSource: this.state.dataSource, |
| 127 | + rowProps: (props, index) => ({ |
| 128 | + index, |
| 129 | + moveRow: this.moveRow, |
| 130 | + }), |
| 131 | + components: { |
| 132 | + Row: NewRow |
| 133 | + }, |
| 134 | + }; |
| 135 | + |
| 136 | + return <Table {...tableProps} />; |
| 137 | + } |
| 138 | +} |
| 139 | + |
| 140 | + |
| 141 | +class SortableTable extends React.Component { |
| 142 | + render() { |
| 143 | + const ComponentName = DragDropContext(HTML5Backend)(InnerTable); |
| 144 | + return <ComponentName {...this.props} />; |
| 145 | + } |
| 146 | +} |
| 147 | + |
| 148 | + |
| 149 | + |
| 150 | +const result = [{ |
| 151 | + id: '001', |
| 152 | + time: 1951, |
| 153 | + title: {name: 'The Old Man and the Sea'}, |
| 154 | +}, { |
| 155 | + id: '002', |
| 156 | + time: 1925, |
| 157 | + title: {name: 'the great gatsby'}, |
| 158 | +}, { |
| 159 | + id: '003', |
| 160 | + time: 1719, |
| 161 | + title: {name: 'The adventures of Robinson Crusoe'}, |
| 162 | +}]; |
| 163 | + |
| 164 | +class Demo extends React.Component { |
| 165 | + constructor(props) { |
| 166 | + super(props); |
| 167 | + |
| 168 | + this.state = { |
| 169 | + dataSource: result, |
| 170 | + }; |
| 171 | + } |
| 172 | + |
| 173 | + onRemove = (id) => { |
| 174 | + const {dataSource} = this.state; |
| 175 | + let index = -1; |
| 176 | + dataSource.forEach((item, i) => { |
| 177 | + if (item.id === id) { |
| 178 | + index = i; |
| 179 | + } |
| 180 | + }); |
| 181 | + if (index !== -1) { |
| 182 | + dataSource.splice(index, 1); |
| 183 | + this.setState({ |
| 184 | + dataSource |
| 185 | + }); |
| 186 | + } |
| 187 | + } |
| 188 | + |
| 189 | + renderOper = (value, index, record) => { |
| 190 | + return <a onClick={this.onRemove.bind(this, record.id)}>Remove({record.id})</a>; |
| 191 | + }; |
| 192 | + render() { |
| 193 | + return (<div> |
| 194 | + <SortableTable dataSource={this.state.dataSource}> |
| 195 | + <Table.Column title="Id" dataIndex="id" width={100} lock/> |
| 196 | + <Table.Column title="Title" dataIndex="title.name" width={400} /> |
| 197 | + <Table.Column title="Time" dataIndex="time" width={300}/> |
| 198 | + <Table.Column title="operate" cell={this.renderOper} width={300} lock="right"/> |
| 199 | + </SortableTable> |
| 200 | + </div>); |
| 201 | + } |
| 202 | +} |
| 203 | + |
| 204 | + |
| 205 | +ReactDOM.render(<Demo />, mountNode); |
| 206 | +```` |
| 207 | +````css |
| 208 | +.drop-over-downward{ |
| 209 | + border-bottom: 2px dashed #3080fe; |
| 210 | +} |
| 211 | + |
| 212 | +.drop-over-upward{ |
| 213 | + border-top: 2px dashed #3080fe; |
| 214 | +} |
| 215 | +```` |
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