ant-design/components/form/FormItem.tsx

422 lines
12 KiB
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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