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import React, { useContext, useEffect, useState } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import { Spin, Input, Tree, Divider, message, Pagination, ConfigProvider } from 'antd';
import { SearchOutlined } from '@ant-design/icons';
import Empty from '@wisdom-components/empty';
import './index.less';
const DeviceTree = (props) => {
const {
prefix,
placeholder,
deviceTreeService,
serviceParams,
onTreeCheck,
onTreeSelect,
pagination,
} = props;
const { getPrefixCls } = useContext(ConfigProvider.ConfigContext);
const prefixCls = getPrefixCls('ec-device-tree');
const [treeData, setTreeData] = useState([]);
const [params, setParams] = useState({});
const [totalCount, setTotalCount] = useState(0);
const [loading, setLoading] = useState(false);
const [expandedKeys, setExpandedKeys] = useState([]);
const [checkedKeys, setCheckedKeys] = useState([]);
const [selectedKeys, setSelectedKeys] = useState([]);
useEffect(() => {
setParams(serviceParams);
}, []);
useEffect(() => {
setParams(serviceParams);
}, [serviceParams]);
const handleData = (data) => {
data.map((item) => {
item.title = item.deviceName;
item.key = item.stationID;
item.children = handleData(item.children);
});
return data;
};
const fetchData = (param = {}) => {
setLoading(true);
deviceTreeService(param).then((response) => {
if (response.code === 0) {
const data = response.data
? response.data.list && response.data.list.length > 0
? response.data.list[0].deviceList
: []
: [];
const newData = handleData(data);
const keys = newData.length > 0 ? [newData[0].key] : [];
setLoading(false);
setTreeData(newData);
setTotalCount(response.data.totalCount);
onTreeCheck(newData.length > 0 ? [newData[0]] : []);
onTreeSelect(newData.length > 0 ? [newData[0]] : []);
setCheckedKeys(keys);
setExpandedKeys(keys);
setSelectedKeys(keys);
} else {
message.error(response.msg);
}
});
};
useEffect(() => {
if (JSON.stringify(params) !== '{}') {
fetchData(params);
}
}, [params]);
const onSearch = (e) => {
if (e.type === 'keydown' || e.target.value === '') {
const param = { ...params, queryInfo: e.target.value };
setParams(param);
}
};
// 选中复选框
const onCheck = (checkedKeysValue) => {
const { checked } = checkedKeysValue;
const checkedTree = [];
treeData.forEach((item) => {
if (checked.includes(item.key)) {
checkedTree.push(item);
}
if (item.children.length > 0) {
item.children.forEach((child) => {
if (checked.includes(child.key)) {
checkedTree.push(child);
}
});
}
});
setCheckedKeys(checked);
onTreeCheck(checkedTree);
};
const onSelect = (selectedKeysValue, info) => {
setSelectedKeys(selectedKeysValue);
onTreeSelect(info.selectedNodes);
};
const onExpand = (expandedKeysValue) => {
setExpandedKeys(expandedKeysValue);
};
const onPaginationChange = (page) => {
setParams({ ...params, pageIndex: page });
};
return (
<div className={classNames(prefixCls)}>
<Input
prefix={prefix}
placeholder={placeholder}
bordered={false}
onChange={onSearch}
onPressEnter={onSearch}
/>
<Divider className={classNames(`${prefixCls}-divider`)} />
<div className={classNames(`${prefixCls}-content`)}>
<Spin spinning={loading}>
{!!treeData.length && (
<Tree
checkedKeys={checkedKeys}
expandedKeys={expandedKeys}
selectedKeys={selectedKeys}
treeData={treeData}
onExpand={onExpand}
onCheck={onCheck}
onSelect={onSelect}
checkStrictly
{...props}
/>
)}
{!treeData.length && !loading && <Empty />}
</Spin>
</div>
{pagination && (
<div className={classNames(`${prefixCls}-pagination`)}>
<Pagination
simple
hideOnSinglePage
current={params.pageIndex || 1}
pageSize={params.pageSize || 20}
total={totalCount}
onChange={onPaginationChange}
/>
</div>
)}
{!pagination && (
<Divider plain className={classNames(`${prefixCls}-total`)}>
共 {totalCount}条 记录
</Divider>
)}
</div>
);
};
DeviceTree.defaultProps = {
prefix: <SearchOutlined />,
placeholder: '搜索设备名称',
pagination: true,
serviceParams: {},
onTreeCheck: () => {},
onTreeSelect: () => {},
};
DeviceTree.propTypes = {
prefix: PropTypes.node,
placeholder: PropTypes.string,
pagination: PropTypes.bool,
serviceParams: PropTypes.object,
onTreeCheck: PropTypes.func,
onTreeSelect: PropTypes.func,
deviceTreeService: PropTypes.any,
};
export default DeviceTree;