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index.tsx
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index.tsx
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import React, { useEffect, useRef, useState } from 'react';
import { IProps } from '@uiw/utils';
import Card from '@uiw/react-card';
import Icon from '@uiw/react-icon';
import Input from '@uiw/react-input';
import TreeChecked from '@uiw/react-tree-checked';
import { TreeData } from '@uiw/react-tree';
import './style/index.less';
export interface TransferOptionType {
key: string | number;
label: string;
}
interface TransferProps extends IProps {
placeholder?: string;
bodyStyle?: React.CSSProperties;
onChange?: (transfer: string, selectedAll: Array<TransferOptionType>) => void;
onSearch?: (transfer: string, seachValue: string) => void;
showSearch?: boolean;
value?: Array<TransferOptionType>;
options?: TreeData[];
// emptyOption?: React.ReactNode;
}
function Transfer(props: TransferProps) {
const {
placeholder,
options,
value,
showSearch = false,
bodyStyle,
style,
className,
prefixCls = 'w-transfer',
} = props;
const cls = [prefixCls, className].filter(Boolean).join(' ').trim();
const [searchValueLeft, searchValueLeftSet] = useState('');
const [searchValueRight, searchValueRightSet] = useState('');
const [selectedOptions, selectedOptionSet] = useState<Array<TreeData>>(options || []);
const selectedOptionsShowCount = useRef<number>(0);
const [selectOption, selectOptionSet] = useState<Map<string | number, string>>(new Map());
const [leftSelectedKeys, leftSelectedKeySet] = useState<Array<string | number | undefined>>([]);
const [rightSelectedKeys, rightSelectedKeySet] = useState<Array<string | number | undefined>>([]);
const [rightOpions, rightOpionSet] = useState<Array<TreeData>>([]);
useEffect(() => {
leftSelectedKeySet([]);
rightSelectedKeySet([]);
rightOpionSet(value || []);
value?.forEach((selectd) => selectOption.set(selectd.key, selectd.label));
hiddenNode((child) => !!value?.find((selectd) => child.key === selectd.key));
}, [JSON.stringify(value)]);
const hiddenNode = (callBackfn: (child: TreeData) => boolean) => {
selectedOptionsShowCount.current = 0;
const hiddenNodeForSeach = (childrens: TreeData[]) => {
childrens.forEach((child: TreeData) => {
const isHide = callBackfn(child); // && parentIsHide;
if (!!child.children?.length) {
hiddenNodeForSeach(child.children);
const find = child.children.find((item) => !item.hideNode);
child.hideNode = isHide && !find;
} else {
child.hideNode = isHide;
if (!child.hideNode) {
selectedOptionsShowCount.current++;
}
}
});
};
hiddenNodeForSeach(selectedOptions);
selectedOptionSet([...selectedOptions]);
};
const leftTreeOnSelected = (
selectedKeys: Array<string | number | undefined>,
_1: any,
isChecked: boolean,
evn: TreeData,
) => {
leftSelectedKeySet(selectedKeys);
const selectOptionTemp = getOptionsRecursion([evn], selectOption, isChecked);
selectOptionSet(selectOptionTemp);
};
const rightTreeOnSelected = (selectedKeys: Array<string | number | undefined>) => {
rightSelectedKeySet(selectedKeys);
selectedKeys.forEach((key) => {
selectOption.delete(key!);
});
selectOptionSet(selectOption);
};
const getOptionsRecursion = (childrens: TreeData[], selectOption: Map<string | number, string>, isAdd: boolean) => {
const addOrDel = (key: string | number, label: string, isAdd: boolean) => {
if (isAdd) {
selectOption.set(key, label);
} else {
selectOption.delete(key);
}
};
const iteratorParent = (child: TreeData) => {
if (child.parent) {
const selectCount = child.parent.children.filter((child: TreeData) => !selectOption.get(child.key!)).length;
addOrDel(child.parent.key, child.parent.label, selectCount === 0);
iteratorParent(child.parent);
}
};
childrens.forEach((child: TreeData) => {
if (!!child.children?.length) {
selectOption = getOptionsRecursion(child.children, selectOption, isAdd);
}
addOrDel(child.key!, child.label?.toString()!, isAdd);
iteratorParent(child);
});
return selectOption;
};
const transferClick = (transferType: string) => {
const option: Array<TransferOptionType> = [];
selectOption.forEach((label, key) => option.push({ key, label }));
props.onChange?.(transferType, option);
};
const searchValueLeftChange = (searchValue: string) => {
hiddenNode((child: TreeData) => {
let searchIsMatch = !(child.label as string).includes(searchValue.trim());
if (!searchIsMatch) {
const isSekected = rightOpions.find((selected) => selected.key === child.key);
searchIsMatch = !!isSekected;
}
return searchIsMatch;
});
searchValueLeftSet(searchValue);
props.onSearch?.('left', searchValue);
};
const searchValueRightChange = (searchValue: string) => {
searchValueRightSet(searchValue);
rightOpions.forEach((option) => {
const isHide = !(option.label as string).includes(searchValue.trim());
option.hideNode = isHide;
});
console.log('rightOpions', rightOpions);
rightOpionSet(rightOpions);
props.onSearch?.('right', searchValue);
};
const Arrow = (props: { click: () => void; style: React.CSSProperties }) => (
<Icon
onClick={() => props.click()}
type="down-square-o"
className={`${prefixCls}-arrow`}
style={{ fontSize: 20, stroke: '#e9e9e9', fill: '#333', ...props.style }}
/>
);
return (
<div className={cls} style={{ width: 400, ...style }}>
<Card
bodyStyle={{ padding: 5 }}
title={`${leftSelectedKeys.length}/${selectedOptionsShowCount.current}`}
className={`${prefixCls}-card`}
>
{showSearch && (
<Input
placeholder={placeholder}
value={searchValueLeft}
onChange={(e: React.ChangeEvent<HTMLInputElement>) => searchValueLeftChange(e.target.value)}
/>
)}
<div className={`${prefixCls}-cheked-content`}>
<TreeChecked
defaultExpandAll={true}
placeholder={placeholder || '搜索选项'}
data={selectedOptions}
selectedKeys={leftSelectedKeys}
onSelected={leftTreeOnSelected}
/>
</div>
</Card>
<div className={`${prefixCls}-arrow-content`}>
<Arrow click={() => transferClick('left')} style={{ transform: 'rotate(90deg)' }} />
<Arrow click={() => transferClick('right')} style={{ transform: 'rotate(-90deg)' }} />
</div>
<Card
bodyStyle={{ padding: 5 }}
className={`${prefixCls}-card`}
title={`${rightSelectedKeys.length}/${rightOpions.length}`}
>
{showSearch && (
<Input
placeholder={placeholder}
value={searchValueRight}
onChange={(e: React.ChangeEvent<HTMLInputElement>) => searchValueRightChange(e.target.value)}
/>
)}
<div className={`${prefixCls}-cheked-content`} style={bodyStyle}>
<TreeChecked data={rightOpions} selectedKeys={rightSelectedKeys} onSelected={rightTreeOnSelected} />
</div>
</Card>
</div>
);
}
export default Transfer;