React High Order Form Component
/* eslint react/no-multi-comp:0, no-console:0 */
import createDOMForm from 'rc-form/lib/createDOMForm';
import { formShape } from 'rc-form';
import React, { Component } from 'react';
import ReactDOM from 'react-dom';
import Select, { Option } from 'antd/lib/select';
import DatePicker from 'antd/lib/date-picker';
import 'antd/dist/antd.css';
import { regionStyle, errorStyle } from './styles';
function Email(props) {
const { getFieldProps, getFieldError, isFieldValidating } = props.form;
const errors = getFieldError('email');
return (<div style={ regionStyle }>
<div>email sync validate</div>
<div>
<input {...getFieldProps('email', {
initialValue: '',
rules: [
{
type: 'email',
message: <b key="err">错误的 email 格式</b>,
},
],
})}
/></div>
<div style={errorStyle}>
{errors}
</div>
<div style={errorStyle}>
{isFieldValidating('email') ? 'validating' : null}
</div>
</div>);
}
Email.propTypes = {
form: formShape,
};
class User extends React.Component {
static propTypes = {
form: formShape,
};
userExists = (rule, value, callback) => {
setTimeout(() => {
if (value === '1') {
callback([new Error('are you kidding?')]);
} else if (value === 'yiminghe') {
callback([new Error('forbid yiminghe')]);
} else {
callback();
}
}, 300);
}
render() {
const { getFieldProps, getFieldError, isFieldValidating } = this.props.form;
const errors = getFieldError('user');
return (<div style={ regionStyle }>
<div><span style={{ color: 'red' }}>*</span> user async validate</div>
<div>
<input {...getFieldProps('user', {
initialValue: '',
validateFirst: true,
rules: [
{
required: true,
},
{
validator: this.userExists,
},
],
})}
/></div>
<div style={errorStyle}>
{(errors) ? errors.join(',') : null}
</div>
<div style={errorStyle}>
{isFieldValidating('user') ? 'validating' : null}
</div>
</div>);
}
}
function CustomInput(props) {
const { getFieldProps, getFieldError, isFieldValidating } = props.form;
const errors = getFieldError('select');
return (<div style={ regionStyle }>
<div><span style={{ color: 'red' }}>*</span> custom select sync validate</div>
<div><Select
placeholder="please select"
style={{ width: 200 }}
{...getFieldProps('select', {
rules: [
{
required: true,
},
],
})}
>
<Option value="1">1</Option>
<Option value="2">2</Option>
</Select></div>
<div style={errorStyle}>
{(errors) ? errors.join(',') : null}
</div>
<div style={errorStyle}>
{isFieldValidating('select') ? 'validating' : null}
</div>
</div>);
}
CustomInput.propTypes = {
form: formShape,
};
function DateInput(props) {
const { getFieldProps, getFieldError } = props.form;
const errors = getFieldError('date');
return (<div style={ regionStyle }>
<div><span style={{ color: 'red' }}>*</span> DateInput sync validate</div>
<div style={{ width: 200 }}>
<DatePicker
placeholder="please select"
{...getFieldProps('date', {
rules: [
{
required: true,
type: 'object',
},
],
})}
/>
</div>
<div style={errorStyle}>
{(errors) ? errors.join(',') : null}
</div>
</div>);
}
DateInput.propTypes = {
form: formShape,
};
function toNumber(v) {
if (v === undefined) {
return v;
}
if (v === '') {
return undefined;
}
if (v && v.trim() === '') {
return NaN;
}
return Number(v);
}
function NumberInput(props) {
const { getFieldProps, getFieldError } = props.form;
const errors = getFieldError('number');
return (<div style={ regionStyle }>
<div>number input</div>
<div>
<input
{...getFieldProps('number', {
initialValue: '1',
rules: [{
transform: toNumber,
type: 'number',
}],
})}
/>
</div>
<div style={errorStyle}>
{(errors) ? errors.join(',') : null}
</div>
</div>);
}
NumberInput.propTypes = {
form: formShape,
};
class Form extends Component {
static propTypes = {
form: formShape,
};
onSubmit = (e) => {
console.log('submit');
e.preventDefault();
this.props.form.validateFieldsAndScroll({ scroll: { offsetTop: 20 } }, (error, values) => {
if (!error) {
console.log('ok', values);
} else {
console.log('error', error, values);
}
});
};
reset = (e) => {
e.preventDefault();
this.props.form.resetFields();
};
render() {
const { form } = this.props;
const { getFieldProps, getFieldError } = form;
return (<div style={{ margin: 20 }}>
<h2>overview</h2>
<form onSubmit={this.onSubmit}>
<User form={ form } saveRef={this.saveRef}/>
<NumberInput form={ form }/>
<Email form={ form }/>
<CustomInput form={ form }/>
<DateInput form={ form }/>
<div style={ regionStyle }>
<div>normal required input</div>
<div>
<input
{...getFieldProps('normal', {
initialValue: '',
rules: [{
required: true,
}],
})}
/>
</div>
<div style={errorStyle}>
{(getFieldError('normal')) ? getFieldError('normal').join(',') : null}
</div>
</div>
<div style={ regionStyle }>
<button onClick={this.reset}>reset</button>
<input type="submit" value="submit"/>
</div>
</form>
</div>);
}
}
const NewForm = createDOMForm({
validateMessages: {
required(field) {
return `${field} 必填`;
},
},
})(Form);
ReactDOM.render(<NewForm />, document.getElementById('__react-content'));