mirror of
https://github.com/ant-design/ant-design.git
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331 lines
9.1 KiB
TypeScript
331 lines
9.1 KiB
TypeScript
import * as React from 'react';
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import * as ReactDOM from 'react-dom';
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import 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 PureRenderMixin from 'rc-util/lib/PureRenderMixin';
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import Row from '../grid/row';
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import Col, { ColProps } from '../grid/col';
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import warning from '../_util/warning';
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import { FIELD_META_PROP, FIELD_DATA_PROP } from './constants';
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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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label?: React.ReactNode;
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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?: 'success' | 'warning' | 'error' | 'validating';
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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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export interface FormItemContext {
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vertical: boolean;
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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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prefixCls: 'ant-form',
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colon: true,
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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(['', 'success', 'warning', 'error', 'validating']),
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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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static contextTypes = {
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vertical: PropTypes.bool,
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};
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context: FormItemContext;
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state = { helpShow: false };
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componentDidMount() {
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warning(
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this.getControls(this.props.children, true).length <= 1,
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'`Form.Item` 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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}
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shouldComponentUpdate(...args: any[]) {
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return PureRenderMixin.shouldComponentUpdate.apply(this, args);
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}
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getHelpMsg() {
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const props = this.props;
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const onlyControl = this.getOnlyControl();
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if (props.help === undefined && onlyControl) {
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const errors = this.getField().errors;
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return errors ? errors.map((e: any) => e.message).join(', ') : '';
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}
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return props.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 (child.type &&
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(child.type as any === FormItem || (child.type as any).displayName === 'FormItem')) {
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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) { // And means FIELD_DATA_PROP in chidl.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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onHelpAnimEnd = (_key: string, helpShow: boolean) => {
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this.setState({ helpShow });
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}
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renderHelp() {
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const prefixCls = this.props.prefixCls;
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const help = this.getHelpMsg();
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const children = help ? (
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<div className={`${prefixCls}-explain`} key="help">
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{help}
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</div>
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) : null;
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return (
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<Animate
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transitionName="show-help"
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component=""
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transitionAppear
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key="help"
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onEnd={this.onHelpAnimEnd}
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>
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{children}
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</Animate>
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);
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}
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renderExtra() {
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const { prefixCls, extra } = this.props;
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return extra ? (
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<div className={`${prefixCls}-extra`}>{extra}</div>
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) : null;
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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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renderValidateWrapper(c1: React.ReactNode, c2: React.ReactNode, c3: React.ReactNode) {
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const props = this.props;
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const onlyControl = this.getOnlyControl;
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const validateStatus = (props.validateStatus === undefined && onlyControl) ?
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this.getValidateStatus() :
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props.validateStatus;
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let classes = `${this.props.prefixCls}-item-control`;
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if (validateStatus) {
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classes = classNames(`${this.props.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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return (
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<div className={classes}>
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<span className={`${this.props.prefixCls}-item-children`}>{c1}</span>
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{c2}{c3}
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</div>
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);
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}
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renderWrapper(children: React.ReactNode) {
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const { prefixCls, wrapperCol } = this.props;
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const className = classNames(
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`${prefixCls}-item-control-wrapper`,
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wrapperCol && wrapperCol.className,
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);
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return (
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<Col {...wrapperCol} className={className} key="wrapper">
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{children}
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</Col>
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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.filter((item: any) => !!item.rules).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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// 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 = (e: any) => {
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const { label } = this.props;
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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 controls = document.querySelectorAll(`[id="${id}"]`);
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if (controls.length !== 1) {
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// Only prevent in default situation
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// Avoid preventing event in `label={<a href="xx">link</a>}``
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if (typeof label === 'string') {
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e.preventDefault();
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}
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const formItemNode = ReactDOM.findDOMNode(this) as Element;
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const control = formItemNode.querySelector(`[id="${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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}
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renderLabel() {
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const { prefixCls, label, labelCol, colon, id } = this.props;
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const context = this.context;
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const required = this.isRequired();
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const labelColClassName = classNames(
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`${prefixCls}-item-label`,
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labelCol && labelCol.className,
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);
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const labelClassName = classNames({
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[`${prefixCls}-item-required`]: required,
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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 haveColon = colon && !context.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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return label ? (
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<Col {...labelCol} className={labelColClassName} key="label">
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<label
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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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renderChildren() {
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const { children } = this.props;
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return [
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this.renderLabel(),
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this.renderWrapper(
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this.renderValidateWrapper(
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children,
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this.renderHelp(),
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this.renderExtra(),
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),
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),
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];
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}
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renderFormItem(children: React.ReactNode) {
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const props = this.props;
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const prefixCls = props.prefixCls;
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const style = props.style;
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const itemClassName = {
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[`${prefixCls}-item`]: true,
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[`${prefixCls}-item-with-help`]: !!this.getHelpMsg() || this.state.helpShow,
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[`${prefixCls}-item-no-colon`]: !props.colon,
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[`${props.className}`]: !!props.className,
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};
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return (
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<Row className={classNames(itemClassName)} style={style}>
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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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const children = this.renderChildren();
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return this.renderFormItem(children);
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}
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}
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