mirror of
https://gitee.com/ant-design/ant-design.git
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423 lines
12 KiB
TypeScript
423 lines
12 KiB
TypeScript
import * as React from 'react';
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import * as ReactDOM from 'react-dom';
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import * as PropTypes from 'prop-types';
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import classNames from 'classnames';
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import Animate from 'rc-animate';
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import Row from '../grid/row';
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import Col, { ColProps } from '../grid/col';
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import Icon from '../icon';
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import { ConfigConsumer, ConfigConsumerProps } from '../config-provider';
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import warning from '../_util/warning';
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import { tuple } from '../_util/type';
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import { FIELD_META_PROP, FIELD_DATA_PROP } from './constants';
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import FormContext, { FormContextProps } from './context';
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const ValidateStatuses = tuple('success', 'warning', 'error', 'validating', '');
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const FormLabelAligns = tuple('left', 'right');
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export type FormLabelAlign = (typeof FormLabelAligns)[number];
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export interface FormItemProps {
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prefixCls?: string;
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className?: string;
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id?: string;
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htmlFor?: string;
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label?: React.ReactNode;
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labelAlign?: FormLabelAlign;
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labelCol?: ColProps;
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wrapperCol?: ColProps;
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help?: React.ReactNode;
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extra?: React.ReactNode;
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validateStatus?: (typeof ValidateStatuses)[number];
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hasFeedback?: boolean;
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required?: boolean;
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style?: React.CSSProperties;
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colon?: boolean;
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}
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function intersperseSpace<T>(list: Array<T>): Array<T | string> {
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return list.reduce((current, item) => [...current, ' ', item], []).slice(1);
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}
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export default class FormItem extends React.Component<FormItemProps, any> {
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static defaultProps = {
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hasFeedback: false,
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};
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static propTypes = {
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prefixCls: PropTypes.string,
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label: PropTypes.oneOfType([PropTypes.string, PropTypes.node]),
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labelCol: PropTypes.object,
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help: PropTypes.oneOfType([PropTypes.node, PropTypes.bool]),
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validateStatus: PropTypes.oneOf(ValidateStatuses),
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hasFeedback: PropTypes.bool,
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wrapperCol: PropTypes.object,
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className: PropTypes.string,
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id: PropTypes.string,
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children: PropTypes.node,
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colon: PropTypes.bool,
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};
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helpShow = false;
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componentDidMount() {
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const { children, help, validateStatus, id } = this.props;
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warning(
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this.getControls(children, true).length <= 1 ||
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(help !== undefined || validateStatus !== undefined),
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'Form.Item',
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'Cannot generate `validateStatus` and `help` automatically, ' +
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'while there are more than one `getFieldDecorator` in it.',
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);
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warning(
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!id,
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'Form.Item',
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'`id` is deprecated for its label `htmlFor`. Please use `htmlFor` directly.',
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);
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}
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getHelpMessage() {
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const { help } = this.props;
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if (help === undefined && this.getOnlyControl()) {
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const { errors } = this.getField();
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if (errors) {
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return intersperseSpace(
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errors.map((e: any, index: number) => {
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let node: React.ReactElement<any> | null = null;
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if (React.isValidElement(e)) {
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node = e;
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} else if (React.isValidElement(e.message)) {
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node = e.message;
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}
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// eslint-disable-next-line react/no-array-index-key
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return node ? React.cloneElement(node, { key: index }) : e.message;
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}),
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);
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}
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return '';
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}
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return help;
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}
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getControls(children: React.ReactNode, recursively: boolean) {
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let controls: React.ReactElement<any>[] = [];
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const childrenArray = React.Children.toArray(children);
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for (let i = 0; i < childrenArray.length; i++) {
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if (!recursively && controls.length > 0) {
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break;
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}
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const child = childrenArray[i] as React.ReactElement<any>;
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if (
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child.type &&
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((child.type as any) === FormItem || (child.type as any).displayName === 'FormItem')
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) {
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continue;
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}
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if (!child.props) {
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continue;
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}
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if (FIELD_META_PROP in child.props) {
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// And means FIELD_DATA_PROP in child.props, too.
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controls.push(child);
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} else if (child.props.children) {
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controls = controls.concat(this.getControls(child.props.children, recursively));
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}
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}
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return controls;
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}
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getOnlyControl() {
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const child = this.getControls(this.props.children, false)[0];
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return child !== undefined ? child : null;
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}
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getChildProp(prop: string) {
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const child = this.getOnlyControl() as React.ReactElement<any>;
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return child && child.props && child.props[prop];
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}
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getId() {
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return this.getChildProp('id');
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}
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getMeta() {
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return this.getChildProp(FIELD_META_PROP);
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}
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getField() {
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return this.getChildProp(FIELD_DATA_PROP);
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}
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getValidateStatus() {
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const onlyControl = this.getOnlyControl();
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if (!onlyControl) {
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return '';
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}
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const field = this.getField();
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if (field.validating) {
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return 'validating';
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}
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if (field.errors) {
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return 'error';
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}
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const fieldValue = 'value' in field ? field.value : this.getMeta().initialValue;
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if (fieldValue !== undefined && fieldValue !== null && fieldValue !== '') {
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return 'success';
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}
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return '';
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}
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// Resolve duplicated ids bug between different forms
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// https://github.com/ant-design/ant-design/issues/7351
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onLabelClick = () => {
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const id = this.props.id || this.getId();
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if (!id) {
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return;
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}
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const formItemNode = ReactDOM.findDOMNode(this) as Element;
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const control = formItemNode.querySelector(`[id="${id}"]`) as HTMLElement;
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if (control && control.focus) {
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control.focus();
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}
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};
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onHelpAnimEnd = (_key: string, helpShow: boolean) => {
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this.helpShow = helpShow;
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if (!helpShow) {
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this.setState({});
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}
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};
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isRequired() {
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const { required } = this.props;
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if (required !== undefined) {
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return required;
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}
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if (this.getOnlyControl()) {
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const meta = this.getMeta() || {};
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const validate = meta.validate || [];
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return validate
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.filter((item: any) => !!item.rules)
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.some((item: any) => {
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return item.rules.some((rule: any) => rule.required);
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});
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}
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return false;
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}
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renderHelp(prefixCls: string) {
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const help = this.getHelpMessage();
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const children = help ? (
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<div className={`${prefixCls}-explain`} key="help">
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{help}
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</div>
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) : null;
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if (children) {
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this.helpShow = !!children;
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}
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return (
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<Animate
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transitionName="show-help"
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component=""
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transitionAppear
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key="help"
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onEnd={this.onHelpAnimEnd}
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>
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{children}
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</Animate>
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);
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}
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renderExtra(prefixCls: string) {
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const { extra } = this.props;
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return extra ? <div className={`${prefixCls}-extra`}>{extra}</div> : null;
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}
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renderValidateWrapper(
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prefixCls: string,
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c1: React.ReactNode,
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c2: React.ReactNode,
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c3: React.ReactNode,
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) {
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const { props } = this;
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const onlyControl = this.getOnlyControl;
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const validateStatus =
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props.validateStatus === undefined && onlyControl
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? this.getValidateStatus()
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: props.validateStatus;
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let classes = `${prefixCls}-item-control`;
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if (validateStatus) {
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classes = classNames(`${prefixCls}-item-control`, {
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'has-feedback': props.hasFeedback || validateStatus === 'validating',
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'has-success': validateStatus === 'success',
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'has-warning': validateStatus === 'warning',
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'has-error': validateStatus === 'error',
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'is-validating': validateStatus === 'validating',
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});
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}
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let iconType = '';
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switch (validateStatus) {
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case 'success':
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iconType = 'check-circle';
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break;
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case 'warning':
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iconType = 'exclamation-circle';
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break;
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case 'error':
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iconType = 'close-circle';
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break;
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case 'validating':
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iconType = 'loading';
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break;
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default:
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iconType = '';
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break;
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}
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const icon =
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props.hasFeedback && iconType ? (
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<span className={`${prefixCls}-item-children-icon`}>
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<Icon type={iconType} theme={iconType === 'loading' ? 'outlined' : 'filled'} />
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</span>
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) : null;
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return (
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<div className={classes}>
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<span className={`${prefixCls}-item-children`}>
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{c1}
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{icon}
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</span>
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{c2}
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{c3}
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</div>
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);
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}
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renderWrapper(prefixCls: string, children: React.ReactNode) {
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return (
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<FormContext.Consumer key="wrapper">
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{({ wrapperCol: contextWrapperCol, vertical }: FormContextProps) => {
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const { wrapperCol } = this.props;
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const mergedWrapperCol: ColProps =
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('wrapperCol' in this.props ? wrapperCol : contextWrapperCol) || {};
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const className = classNames(
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`${prefixCls}-item-control-wrapper`,
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mergedWrapperCol.className,
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);
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// No pass FormContext since it's useless
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return (
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<FormContext.Provider value={{ vertical }}>
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<Col {...mergedWrapperCol} className={className}>
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{children}
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</Col>
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</FormContext.Provider>
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);
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}}
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</FormContext.Consumer>
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);
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}
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renderLabel(prefixCls: string) {
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return (
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<FormContext.Consumer key="label">
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{({
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vertical,
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labelAlign: contextLabelAlign,
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labelCol: contextLabelCol,
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colon: contextColon,
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}: FormContextProps) => {
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const { label, labelCol, labelAlign, colon, id, htmlFor } = this.props;
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const required = this.isRequired();
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const mergedLabelCol: ColProps =
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('labelCol' in this.props ? labelCol : contextLabelCol) || {};
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const mergedLabelAlign: FormLabelAlign | undefined =
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'labelAlign' in this.props ? labelAlign : contextLabelAlign;
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const labelClsBasic = `${prefixCls}-item-label`;
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const labelColClassName = classNames(
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labelClsBasic,
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mergedLabelAlign === 'left' && `${labelClsBasic}-left`,
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mergedLabelCol.className,
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);
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let labelChildren = label;
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// Keep label is original where there should have no colon
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const computedColon = colon === true || (contextColon !== false && colon !== false);
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const haveColon = computedColon && !vertical;
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// Remove duplicated user input colon
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if (haveColon && typeof label === 'string' && (label as string).trim() !== '') {
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labelChildren = (label as string).replace(/[：:]\s*$/, '');
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}
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const labelClassName = classNames({
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[`${prefixCls}-item-required`]: required,
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[`${prefixCls}-item-no-colon`]: !computedColon,
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});
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return label ? (
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<Col {...mergedLabelCol} className={labelColClassName}>
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<label
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htmlFor={htmlFor || id || this.getId()}
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className={labelClassName}
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title={typeof label === 'string' ? label : ''}
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onClick={this.onLabelClick}
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>
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{labelChildren}
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</label>
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</Col>
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) : null;
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}}
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</FormContext.Consumer>
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);
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}
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renderChildren(prefixCls: string) {
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const { children } = this.props;
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return [
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this.renderLabel(prefixCls),
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this.renderWrapper(
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prefixCls,
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this.renderValidateWrapper(
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prefixCls,
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children,
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this.renderHelp(prefixCls),
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this.renderExtra(prefixCls),
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),
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),
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];
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}
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renderFormItem = ({ getPrefixCls }: ConfigConsumerProps) => {
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const { prefixCls: customizePrefixCls, style, className } = this.props;
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const prefixCls = getPrefixCls('form', customizePrefixCls);
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const children = this.renderChildren(prefixCls);
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const itemClassName = {
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[`${prefixCls}-item`]: true,
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[`${prefixCls}-item-with-help`]: this.helpShow,
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[`${className}`]: !!className,
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};
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return (
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<Row className={classNames(itemClassName)} style={style} key="row">
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{children}
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</Row>
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);
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};
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render() {
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return <ConfigConsumer>{this.renderFormItem}</ConfigConsumer>;
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}
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}
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