ant-design/components/auto-complete/index.tsx

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import * as React from 'react';
import { Option, OptGroup } from 'rc-select';
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import classNames from 'classnames';
import Select, { AbstractSelectProps, SelectValue, OptionProps, OptGroupProps } from '../select';
import Input from '../input';
import InputElement from './InputElement';
export interface DataSourceItemObject { value: string; text: string; }
export type DataSourceItemType =
string |
DataSourceItemObject |
React.ReactElement<OptionProps> |
React.ReactElement<OptGroupProps>;
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export interface AutoCompleteInputProps {
onChange?: React.FormEventHandler<any>;
value: any;
}
export type ValidInputElement =
HTMLInputElement |
HTMLTextAreaElement |
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React.ReactElement<AutoCompleteInputProps>;
export interface AutoCompleteProps extends AbstractSelectProps {
value?: SelectValue;
defaultValue?: SelectValue;
dataSource?: DataSourceItemType[];
backfill?: boolean;
optionLabelProp?: string;
onChange?: (value: SelectValue) => void;
onSelect?: (value: SelectValue, option: Object) => any;
children?: ValidInputElement |
React.ReactElement<OptionProps> |
Array<React.ReactElement<OptionProps>>;
}
function isSelectOptionOrSelectOptGroup(child: any): Boolean {
return child && child.type && (child.type.isSelectOption || child.type.isSelectOptGroup);
}
export default class AutoComplete extends React.Component<AutoCompleteProps, {}> {
static Option = Option as React.ClassicComponentClass<OptionProps>;
static OptGroup = OptGroup as React.ClassicComponentClass<OptGroupProps>;
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static defaultProps = {
prefixCls: 'ant-select',
transitionName: 'slide-up',
optionLabelProp: 'children',
choiceTransitionName: 'zoom',
showSearch: false,
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filterOption: false,
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};
private select: any;
getInputElement = () => {
const { children } = this.props;
const element = children && React.isValidElement(children) && children.type !== Option ?
React.Children.only(this.props.children) : <Input />;
const elementProps = { ...element.props };
// https://github.com/ant-design/ant-design/pull/7742
delete elementProps.children;
return (
<InputElement {...elementProps}>{element}</InputElement>
);
}
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focus() {
this.select.focus();
}
blur() {
this.select.blur();
}
saveSelect = (node: any) => {
this.select = node;
}
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render() {
let {
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size, className = '', notFoundContent, prefixCls, optionLabelProp, dataSource, children,
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} = this.props;
const cls = classNames({
[`${prefixCls}-lg`]: size === 'large',
[`${prefixCls}-sm`]: size === 'small',
[className]: !!className,
[`${prefixCls}-show-search`]: true,
[`${prefixCls}-auto-complete`]: true,
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});
let options;
const childArray = React.Children.toArray(children);
if (childArray.length &&
isSelectOptionOrSelectOptGroup(childArray[0])
) {
options = children;
} else {
options = dataSource ? dataSource.map((item) => {
if (React.isValidElement(item)) {
return item;
}
switch (typeof item) {
case 'string':
return <Option key={item}>{item}</Option>;
case 'object':
return (
<Option key={(item as DataSourceItemObject).value}>
{(item as DataSourceItemObject).text}
</Option>
);
default:
throw new Error('AutoComplete[dataSource] only supports type `string[] | Object[]`.');
}
}) : [];
}
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return (
<Select
{...this.props}
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className={cls}
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mode={Select.SECRET_COMBOBOX_MODE_DO_NOT_USE}
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optionLabelProp={optionLabelProp}
getInputElement={this.getInputElement}
notFoundContent={notFoundContent}
ref={this.saveSelect}
>
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{options}
</Select>
);
}
}