react + antd 动态设置表头和对表头进行排序
1、对title字段设置显示隐藏;
2、对title字段进行拖拽排序;
3、选择后未点击确认关闭弹框则重置数据
import React, { Component } from "react";
import {
Icon,
Table,
Button,
Card,
Tree,
} from "antd";
const { TreeNode } = Tree;
export default class Main extends React.Component {
constructor(props) {
super(props);
let plainOptions = [
{
title: "表头1",
key: "bt1"
},
{
title: "表头2",
key: "bt2"
},
{
title: "表头3",
key: "bt3"
},
{
title: "表头4",
key: "bt4"
},
{
title: "表头5",
key: "bt5"
}
];//模拟接口请求的字段列表
let checkedOptions = ["bt1", "bt2", "bt3", "bt4", "bt5"];//模拟接口请求的已选择字段
this.state = {
page_size: 10,
page: 1,
totalPage: 1,
totalCount: 1,
plainOptions, //默认的字段列表
checkedOptions, //默认的已选择字段
editPlainOptions: plainOptions, //当前选择的字段列表,未保存
editCheckedOptions: checkedOptions, //当前已选择字段,未保存
isClickHandleSearch:'',//设置字段后在未保存的情况下点击空白区域字段重置
};
}
onFilterDropdownVisibleChange = (visible, type) => {
if (visible && !this.state.isClickHandleSearch) {
this.setState({
isClickHandleSearch: false
});
} else {
this.setState({
plainOptions: this.state.editPlainOptions,
checkedOptions: this.state.editCheckedOptions
});
}
};
handleSearch = confirm => {
//确定 保存用户设置的字段排序和需要显示的字段key
const { plainOptions, checkedOptions } = this.state;
this.setState(
{
isClickHandleSearch: true,
editPlainOptions: plainOptions,
editCheckedOptions: checkedOptions
},
() => {
confirm();
}
);
};
handleReset = clearFilters => {
//用户点击取消按钮,重置字段
clearFilters();
this.setState({
plainOptions: this.state.editPlainOptions,
checkedOptions: this.state.editCheckedOptions
});
};
onCheck = (checkedKeys) => {
this.setState({
checkedOptions: checkedKeys
});
};
onDrop = info => {
const dropKey = info.node.props.eventKey;
const dragKey = info.dragNode.props.eventKey;
const dropPos = info.node.props.pos.split("-");
const dropPosition =
info.dropPosition - Number(dropPos[dropPos.length - 1]);
if (dropPosition === 1 || dropPosition == -1) {
const loop = (data, key, callback) => {
data.forEach((item, index, arr) => {
if (item.key === key) {
return callback(item, index, arr);
}
if (item.children) {
return loop(item.children, key, callback);
}
});
};
const data = [...this.state.plainOptions];
let dragObj;
loop(data, dragKey, (item, index, arr) => {
arr.splice(index, 1);
dragObj = item;
});
let ar;
let i;
loop(data, dropKey, (item, index, arr) => {
ar = arr;
i = index;
});
if (dropPosition === -1) {
ar.splice(i, 0, dragObj);
} else {
ar.splice(i + 1, 0, dragObj);
}
this.setState({
plainOptions: data
});
}
};
render() {
const {
inquiry_list,
page,
page_size,
totalCount,
plainOptions,
checkedOptions
} = this.state;
const loop = data =>
data.map((item, index) => {
return <TreeNode key={item.key} title={item.title} />;
});
const title_list = [
{
title: "表头1",
dataIndex: "bt1",
key: "bt1",
width: 170,
filterType: checkedOptions.some(item => item === "bt1")
},
{
title: "表头2",
dataIndex: "bt2",
key: "bt2",
width: 170,
filterType: checkedOptions.some(item => item === "bt2")
},
{
title: "表头3",
dataIndex: "bt3",
key: "bt3",
width: 170,
filterType: checkedOptions.some(item => item === "bt3")
},
{
title: "表头4",
dataIndex: "bt4",
key: "bt4",
width: 170,
filterType: checkedOptions.some(item => item === "bt4")
},
{
title: "表头5",
dataIndex: "bt5",
key: "bt5",
width: 170,
filterType: checkedOptions.some(item => item === "bt5")
}
];
let new_title_list = [];
let scrollX = 0;
plainOptions.map(item => {
title_list.map(titleItem => {
if (item.title === titleItem.title) {
new_title_list.push(titleItem);
if (
titleItem.width &&
checkedOptions.some(optionsItem => optionsItem === item.key)
) {
scrollX += titleItem.width;
}
}
});
});
scrollX = scrollX + 160;
new_title_list.push({
title: "操作",
key: "action",
width: 160,
align: "center",
filterDropdown: ({ confirm, clearFilters }) => (
<div style={{ padding: 8 }}>
<Tree
checkable
className="draggable-tree"
draggable
blockNode
selectable={false}
onCheck={this.onCheck}
checkedKeys={checkedOptions}
onDrop={this.onDrop.bind(this)}
>
{loop(plainOptions)}
</Tree>
<div>
<Button
type="primary"
size="small"
onClick={() => this.handleSearch(confirm)}
style={{ width: "60px", marginRight: "10px" }}
>
确定
</Button>
<Button
size="small"
onClick={() => this.handleReset(clearFilters)}
style={{ width: "60px" }}
>
取消
</Button>
</div>
</div>
),
filterIcon: filtered => <Icon type="setting" theme="filled" />,
onFilterDropdownVisibleChange: this.onFilterDropdownVisibleChange.bind(
this
),
render: item => {
return <div>查看</div>;
}
});
return (
<div>
<Card>
<Table
rowKey="id"
columns={new_title_list.filter(
item => item.filterType || item.filterType === undefined
)}
dataSource={inquiry_list || []}
pagination={{
current: page,
total: totalCount,
pageSize: page_size,
showQuickJumper: true,
showSizeChanger: true,
pageSizeOptions: ["10", "20", "50", "100"],
showTotal: this.showTotal
}}
scroll={{ x: scrollX }}
/>
</Card>
</div>
);
}
}