javascript - React/AntDesign 如何使行可拖动?(表格拖动排序)
问题描述
我一直在编写这个简单的单列拖放表,但是当我拖动它们时行并没有移动。我在哪里修复或检查?
我正在使用 React、AntDesign 和 JavaScript(使用 TypeScript)
import * as React from 'react';
import ReactDOM from "react-dom";
import { Table } from "antd";
import { DndProvider, DragSource, DropTarget } from "react-dnd";
import HTML5Backend from "react-dnd-html5-backend";
import update from "immutability-helper";
let dragingIndex = -1;
interface propsDD {
isOver: any,
connectDragSource: any,
connectDropTarget: any,
moveRow: any,
restProps: {
readonly [x: string]: any;
children?: React.ReactNode;
}
className: any,
index: any,
}
class BodyRow extends React.Component<propsDD>{
render() {
const { isOver, connectDragSource, connectDropTarget, moveRow, ...restProps } = this.props;
const style = { ...restProps, cursor: 'move' };
let { className } = restProps;
if (isOver) {
if (restProps.index > dragingIndex) {
className += " drop-over-downward";
}
if (restProps.index < dragingIndex) {
className += " drop-over-upward";
}
}
return connectDragSource(
connectDropTarget(
<tr {...restProps} className={className} style={style} />
)
);
}
}
const rowSource = {
beginDrag(props: any) {
dragingIndex = props.index;
return {
index: props.index,
};
},
};
const rowTarget = {
drop(props: any, monitor: any) {
const dragIndex = monitor.getItem().index;
const hoverIndex = props.index;
if (dragIndex === hoverIndex) {
return;
}
props.moveRow(dragIndex, hoverIndex);
monitor.getItem().index = hoverIndex;
},
};
const DragableBodyRow = DropTarget("row", rowTarget, (connect, monitor) => ({
connectDropTarget: connect.dropTarget(),
isOver: monitor.isOver()
}))(
DragSource("row", rowSource, connect => ({
connectDragSource: connect.dragSource()
}))(BodyRow)
);
const columns = [
{
title: 'Orden de Ejecución',
dataIndex: 'attributes.name',
key: 'name',
},
];
type propsFromList = {
receivedTasks: Task[],
onReceivedTasks: (tasks: Task[]) => void,
}
export default class DDTasks extends React.Component<propsFromList, State>{
public state: State = {
data: [],
};
components = {
body: {
row: DragableBodyRow,
},
};
onReceivedTasks(tasks: Task[]): void {
this.setState({
data: this.props.receivedTasks,
} as State)
}
moveRow = (dragIndex: any, hoverIndex: any) => {
const { data } = this.state;
const dragRow = data[dragIndex];
this.setState(
update(this.state, {
data: {
$splice: [[dragIndex, 1], [hoverIndex, 0, dragRow]]
}
})
);
};
render() {
return (
< DndProvider backend={HTML5Backend} >
<Table
rowKey="id"
bordered={true}
pagination={false}
columns={columns}
dataSource={this.props.receivedTasks}
components={this.components}
onRow={(index) => ({
index,
moveRow: this.moveRow,
})}
/>
</DndProvider >
);
}
}
我希望拖动行。实际显示的是行的内容。
解决方案
这是一个简单的例子,我根据我在网上找到的许多不同的东西提出了一个简单的例子,并最终制定了一些适用于我的代码的东西:
基本上这是被调用的反应组件表的主体,我正在通过索引映射位置列表,并且每一行都是可拖动的,以允许用户修改表。我还包括了与属性关联的函数调用
return (
<Tbody>
{items.map((item, index) => (
<Tr key={index} className="item.name"
draggable={true}
onDragStart={this.dragstart}
onDragEnd={this.dragend}
onDragLeave={this.dragend}
onDragEnter={this.dragend}
onDrop={this.drop}
onDragOver={this.dragend}
id={index} >
<Td><span>{item.name}</span></Td>
<Td><span>{item.latitude}</span></Td>
<Td><span>{item.longitude}</span></Td>
<Td type="data"><span>{this.checkForZero(this.props.propDistances[index])}</span></Td>
<Td type="data"><span>{this.checkForZero(this.props.propCumulativeDist[index])}</span></Td>
</Tr>
))}
{this.finishItineraryTable()}
</Tbody>
);
dragstart(event) {
let dataTransfer = event.dataTransfer;
let node = event.target;
dataTransfer.setData('text/plain',node.innerHTML);
dataTransfer.setData('id',node.id);
event.stopPropagation();
}
dragend(event) {
event.preventDefault();
}
drop(event) {
event.preventDefault();
let dragObjHtml = event.dataTransfer.getData("text/plain");
let dragObjId = document.getElementById(event.dataTransfer.getData("id"));
let dropTarget = event.target.closest("tr");
let temp = dropTarget.innerHTML;
dropTarget.innerHTML = dragObjHtml;
dragObjId.innerHTML = temp;
}
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