import { Form, Input, Button, Checkbox } from 'antd';

const Demo = () => {
  const onFinish = (values: any) => {
    console.log('Success:', values);
  };

  const onFinishFailed = (errorInfo: any) => {
    console.log('Failed:', errorInfo);
  };

  return (
    <Form
      name="basic"
      labelCol={{ span: 8 }}
      wrapperCol={{ span: 16 }}
      initialValues={{ remember: true }}
      onFinish={onFinish}
      onFinishFailed={onFinishFailed}
      autoComplete="off"
    >
      <Form.Item
        label="Username"
        name="username"
        rules={[{ required: true, message: 'Please input your username!' }]}
      >
        <Input />
      </Form.Item>

      <Form.Item
        label="Password"
        name="password"
        rules={[{ required: true, message: 'Please input your password!' }]}
      >
        <Input.Password />
      </Form.Item>

      <Form.Item name="remember" valuePropName="checked" wrapperCol={{ offset: 8, span: 16 }}>
        <Checkbox>Remember me</Checkbox>
      </Form.Item>

      <Form.Item wrapperCol={{ offset: 8, span: 16 }}>
        <Button type="primary" htmlType="submit">
          Submit
        </Button>
      </Form.Item>
    </Form>
  );
};

ReactDOM.render(<Demo />, mountNode);

import { Form, Input, Button, Select } from 'antd';

const { Option } = Select;

const layout = {
  labelCol: { span: 8 },
  wrapperCol: { span: 16 },
};
const tailLayout = {
  wrapperCol: { offset: 8, span: 16 },
};

const Demo = () => {
  const [form] = Form.useForm();

  const onGenderChange = (value: string) => {
    switch (value) {
      case 'male':
        form.setFieldsValue({ note: 'Hi, man!' });
        return;
      case 'female':
        form.setFieldsValue({ note: 'Hi, lady!' });
        return;
      case 'other':
        form.setFieldsValue({ note: 'Hi there!' });
    }
  };

  const onFinish = (values: any) => {
    console.log(values);
  };

  const onReset = () => {
    form.resetFields();
  };

  const onFill = () => {
    form.setFieldsValue({
      note: 'Hello world!',
      gender: 'male',
    });
  };

  return (
    <Form {...layout} form={form} name="control-hooks" onFinish={onFinish}>
      <Form.Item name="note" label="Note" rules={[{ required: true }]}>
        <Input />
      </Form.Item>
      <Form.Item name="gender" label="Gender" rules={[{ required: true }]}>
        <Select
          placeholder="Select a option and change input text above"
          onChange={onGenderChange}
          allowClear
        >
          <Option value="male">male</Option>
          <Option value="female">female</Option>
          <Option value="other">other</Option>
        </Select>
      </Form.Item>
      <Form.Item
        noStyle
        shouldUpdate={(prevValues, currentValues) => prevValues.gender !== currentValues.gender}
      >
        {({ getFieldValue }) =>
          getFieldValue('gender') === 'other' ? (
            <Form.Item name="customizeGender" label="Customize Gender" rules={[{ required: true }]}>
              <Input />
            </Form.Item>
          ) : null
        }
      </Form.Item>
      <Form.Item {...tailLayout}>
        <Button type="primary" htmlType="submit">
          Submit
        </Button>
        <Button htmlType="button" onClick={onReset}>
          Reset
        </Button>
        <Button type="link" htmlType="button" onClick={onFill}>
          Fill form
        </Button>
      </Form.Item>
    </Form>
  );
};

ReactDOM.render(<Demo />, mountNode);

import { Form, Input, Button, Select } from 'antd';
import { FormInstance } from 'antd/es/form';

const { Option } = Select;

const layout = {
  labelCol: { span: 8 },
  wrapperCol: { span: 16 },
};
const tailLayout = {
  wrapperCol: { offset: 8, span: 16 },
};

class Demo extends React.Component {
  formRef = React.createRef<FormInstance>();

  onGenderChange = (value: string) => {
    switch (value) {
      case 'male':
        this.formRef.current!.setFieldsValue({ note: 'Hi, man!' });
        return;
      case 'female':
        this.formRef.current!.setFieldsValue({ note: 'Hi, lady!' });
        return;
      case 'other':
        this.formRef.current!.setFieldsValue({ note: 'Hi there!' });
    }
  };

  onFinish = (values: any) => {
    console.log(values);
  };

  onReset = () => {
    this.formRef.current!.resetFields();
  };

  onFill = () => {
    this.formRef.current!.setFieldsValue({
      note: 'Hello world!',
      gender: 'male',
    });
  };

  render() {
    return (
      <Form {...layout} ref={this.formRef} name="control-ref" onFinish={this.onFinish}>
        <Form.Item name="note" label="Note" rules={[{ required: true }]}>
          <Input />
        </Form.Item>
        <Form.Item name="gender" label="Gender" rules={[{ required: true }]}>
          <Select
            placeholder="Select a option and change input text above"
            onChange={this.onGenderChange}
            allowClear
          >
            <Option value="male">male</Option>
            <Option value="female">female</Option>
            <Option value="other">other</Option>
          </Select>
        </Form.Item>
        <Form.Item
          noStyle
          shouldUpdate={(prevValues, currentValues) => prevValues.gender !== currentValues.gender}
        >
          {({ getFieldValue }) =>
            getFieldValue('gender') === 'other' ? (
              <Form.Item
                name="customizeGender"
                label="Customize Gender"
                rules={[{ required: true }]}
              >
                <Input />
              </Form.Item>
            ) : null
          }
        </Form.Item>
        <Form.Item {...tailLayout}>
          <Button type="primary" htmlType="submit">
            Submit
          </Button>
          <Button htmlType="button" onClick={this.onReset}>
            Reset
          </Button>
          <Button type="link" htmlType="button" onClick={this.onFill}>
            Fill form
          </Button>
        </Form.Item>
      </Form>
    );
  }
}

ReactDOM.render(<Demo />, mountNode);

import React, { useState } from 'react';
import { Form, Input, Button, Radio } from 'antd';

type LayoutType = Parameters<typeof Form>[0]['layout'];

const FormLayoutDemo = () => {
  const [form] = Form.useForm();
  const [formLayout, setFormLayout] = useState<LayoutType>('horizontal');

  const onFormLayoutChange = ({ layout }: { layout: LayoutType }) => {
    setFormLayout(layout);
  };

  const formItemLayout =
    formLayout === 'horizontal'
      ? {
          labelCol: { span: 4 },
          wrapperCol: { span: 14 },
        }
      : null;

  const buttonItemLayout =
    formLayout === 'horizontal'
      ? {
          wrapperCol: { span: 14, offset: 4 },
        }
      : null;

  return (
    <Form
      {...formItemLayout}
      layout={formLayout}
      form={form}
      initialValues={{ layout: formLayout }}
      onValuesChange={onFormLayoutChange}
    >
      <Form.Item label="Form Layout" name="layout">
        <Radio.Group value={formLayout}>
          <Radio.Button value="horizontal">Horizontal</Radio.Button>
          <Radio.Button value="vertical">Vertical</Radio.Button>
          <Radio.Button value="inline">Inline</Radio.Button>
        </Radio.Group>
      </Form.Item>
      <Form.Item label="Field A">
        <Input placeholder="input placeholder" />
      </Form.Item>
      <Form.Item label="Field B">
        <Input placeholder="input placeholder" />
      </Form.Item>
      <Form.Item {...buttonItemLayout}>
        <Button type="primary">Submit</Button>
      </Form.Item>
    </Form>
  );
};

ReactDOM.render(<FormLayoutDemo />, mountNode);

import React, { useState } from 'react';
import { Form, Input, Button, Radio } from 'antd';
import { InfoCircleOutlined } from '@ant-design/icons';

type RequiredMark = boolean | 'optional';

const FormLayoutDemo = () => {
  const [form] = Form.useForm();
  const [requiredMark, setRequiredMarkType] = useState<RequiredMark>('optional');

  const onRequiredTypeChange = ({ requiredMarkValue }: { requiredMarkValue: RequiredMark }) => {
    setRequiredMarkType(requiredMarkValue);
  };

  return (
    <Form
      form={form}
      layout="vertical"
      initialValues={{ requiredMarkValue: requiredMark }}
      onValuesChange={onRequiredTypeChange}
      requiredMark={requiredMark}
    >
      <Form.Item label="Required Mark" name="requiredMarkValue">
        <Radio.Group>
          <Radio.Button value="optional">Optional</Radio.Button>
          <Radio.Button value>Required</Radio.Button>
          <Radio.Button value={false}>Hidden</Radio.Button>
        </Radio.Group>
      </Form.Item>
      <Form.Item label="Field A" required tooltip="This is a required field">
        <Input placeholder="input placeholder" />
      </Form.Item>
      <Form.Item
        label="Field B"
        tooltip={{ title: 'Tooltip with customize icon', icon: <InfoCircleOutlined /> }}
      >
        <Input placeholder="input placeholder" />
      </Form.Item>
      <Form.Item>
        <Button type="primary">Submit</Button>
      </Form.Item>
    </Form>
  );
};

ReactDOM.render(<FormLayoutDemo />, mountNode);

import React, { useState } from 'react';
import {
  Form,
  Input,
  Button,
  Radio,
  Select,
  Cascader,
  DatePicker,
  InputNumber,
  TreeSelect,
  Switch,
} from 'antd';

type SizeType = Parameters<typeof Form>[0]['size'];

const FormSizeDemo = () => {
  const [componentSize, setComponentSize] = useState<SizeType | 'default'>('default');
  const onFormLayoutChange = ({ size }: { size: SizeType }) => {
    setComponentSize(size);
  };
  return (
    <Form
      labelCol={{ span: 4 }}
      wrapperCol={{ span: 14 }}
      layout="horizontal"
      initialValues={{ size: componentSize }}
      onValuesChange={onFormLayoutChange}
      size={componentSize as SizeType}
    >
      <Form.Item label="Form Size" name="size">
        <Radio.Group>
          <Radio.Button value="small">Small</Radio.Button>
          <Radio.Button value="default">Default</Radio.Button>
          <Radio.Button value="large">Large</Radio.Button>
        </Radio.Group>
      </Form.Item>
      <Form.Item label="Input">
        <Input />
      </Form.Item>
      <Form.Item label="Select">
        <Select>
          <Select.Option value="demo">Demo</Select.Option>
        </Select>
      </Form.Item>
      <Form.Item label="TreeSelect">
        <TreeSelect
          treeData={[
            { title: 'Light', value: 'light', children: [{ title: 'Bamboo', value: 'bamboo' }] },
          ]}
        />
      </Form.Item>
      <Form.Item label="Cascader">
        <Cascader
          options={[
            {
              value: 'zhejiang',
              label: 'Zhejiang',
              children: [
                {
                  value: 'hangzhou',
                  label: 'Hangzhou',
                },
              ],
            },
          ]}
        />
      </Form.Item>
      <Form.Item label="DatePicker">
        <DatePicker />
      </Form.Item>
      <Form.Item label="InputNumber">
        <InputNumber />
      </Form.Item>
      <Form.Item label="Switch" valuePropName="checked">
        <Switch />
      </Form.Item>
      <Form.Item label="Button">
        <Button>Button</Button>
      </Form.Item>
    </Form>
  );
};

ReactDOM.render(<FormSizeDemo />, mountNode);

import { Form, Input, InputNumber, Button } from 'antd';

const layout = {
  labelCol: { span: 8 },
  wrapperCol: { span: 16 },
};

/* eslint-disable no-template-curly-in-string */
const validateMessages = {
  required: '${label} is required!',
  types: {
    email: '${label} is not a valid email!',
    number: '${label} is not a valid number!',
  },
  number: {
    range: '${label} must be between ${min} and ${max}',
  },
};
/* eslint-enable no-template-curly-in-string */

const Demo = () => {
  const onFinish = (values: any) => {
    console.log(values);
  };

  return (
    <Form {...layout} name="nest-messages" onFinish={onFinish} validateMessages={validateMessages}>
      <Form.Item name={['user', 'name']} label="Name" rules={[{ required: true }]}>
        <Input />
      </Form.Item>
      <Form.Item name={['user', 'email']} label="Email" rules={[{ type: 'email' }]}>
        <Input />
      </Form.Item>
      <Form.Item name={['user', 'age']} label="Age" rules={[{ type: 'number', min: 0, max: 99 }]}>
        <InputNumber />
      </Form.Item>
      <Form.Item name={['user', 'website']} label="Website">
        <Input />
      </Form.Item>
      <Form.Item name={['user', 'introduction']} label="Introduction">
        <Input.TextArea />
      </Form.Item>
      <Form.Item wrapperCol={{ ...layout.wrapperCol, offset: 8 }}>
        <Button type="primary" htmlType="submit">
          Submit
        </Button>
      </Form.Item>
    </Form>
  );
};

ReactDOM.render(<Demo />, mountNode);

import React, { useState } from 'react';
import { Form, Input, Select, Button } from 'antd';

const { Option } = Select;

type Currency = 'rmb' | 'dollar';

interface PriceValue {
  number?: number;
  currency?: Currency;
}

interface PriceInputProps {
  value?: PriceValue;
  onChange?: (value: PriceValue) => void;
}

const PriceInput: React.FC<PriceInputProps> = ({ value = {}, onChange }) => {
  const [number, setNumber] = useState(0);
  const [currency, setCurrency] = useState<Currency>('rmb');

  const triggerChange = (changedValue: { number?: number; currency?: Currency }) => {
    onChange?.({ number, currency, ...value, ...changedValue });
  };

  const onNumberChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    const newNumber = parseInt(e.target.value || '0', 10);
    if (Number.isNaN(number)) {
      return;
    }
    if (!('number' in value)) {
      setNumber(newNumber);
    }
    triggerChange({ number: newNumber });
  };

  const onCurrencyChange = (newCurrency: Currency) => {
    if (!('currency' in value)) {
      setCurrency(newCurrency);
    }
    triggerChange({ currency: newCurrency });
  };

  return (
    <span>
      <Input
        type="text"
        value={value.number || number}
        onChange={onNumberChange}
        style={{ width: 100 }}
      />
      <Select
        value={value.currency || currency}
        style={{ width: 80, margin: '0 8px' }}
        onChange={onCurrencyChange}
      >
        <Option value="rmb">RMB</Option>
        <Option value="dollar">Dollar</Option>
      </Select>
    </span>
  );
};

const Demo = () => {
  const onFinish = (values: any) => {
    console.log('Received values from form: ', values);
  };

  const checkPrice = (_: any, value: { number: number }) => {
    if (value.number > 0) {
      return Promise.resolve();
    }
    return Promise.reject(new Error('Price must be greater than zero!'));
  };

  return (
    <Form
      name="customized_form_controls"
      layout="inline"
      onFinish={onFinish}
      initialValues={{
        price: {
          number: 0,
          currency: 'rmb',
        },
      }}
    >
      <Form.Item name="price" label="Price" rules={[{ validator: checkPrice }]}>
        <PriceInput />
      </Form.Item>
      <Form.Item>
        <Button type="primary" htmlType="submit">
          Submit
        </Button>
      </Form.Item>
    </Form>
  );
};

ReactDOM.render(<Demo />, mountNode);

import React, { useState } from 'react';
import { Form, Input } from 'antd';

interface FieldData {
  name: string | number | (string | number)[];
  value?: any;
  touched?: boolean;
  validating?: boolean;
  errors?: string[];
}

interface CustomizedFormProps {
  onChange: (fields: FieldData[]) => void;
  fields: FieldData[];
}

const CustomizedForm: React.FC<CustomizedFormProps> = ({ onChange, fields }) => (
  <Form
    name="global_state"
    layout="inline"
    fields={fields}
    onFieldsChange={(_, allFields) => {
      onChange(allFields);
    }}
  >
    <Form.Item
      name="username"
      label="Username"
      rules={[{ required: true, message: 'Username is required!' }]}
    >
      <Input />
    </Form.Item>
  </Form>
);

const Demo = () => {
  const [fields, setFields] = useState<FieldData[]>([{ name: ['username'], value: 'Ant Design' }]);

  return (
    <>
      <CustomizedForm
        fields={fields}
        onChange={newFields => {
          setFields(newFields);
        }}
      />
      <pre className="language-bash">{JSON.stringify(fields, null, 2)}</pre>
    </>
  );
};

ReactDOM.render(<Demo />, mountNode);

import React, { useState, useEffect, useRef } from 'react';
import { Form, Input, InputNumber, Modal, Button, Avatar, Typography } from 'antd';
import { SmileOutlined, UserOutlined } from '@ant-design/icons';
import { FormInstance } from 'antd/lib/form';

const layout = {
  labelCol: { span: 8 },
  wrapperCol: { span: 16 },
};
const tailLayout = {
  wrapperCol: { offset: 8, span: 16 },
};

interface UserType {
  name: string;
  age: string;
}

interface ModalFormProps {
  visible: boolean;
  onCancel: () => void;
}

// reset form fields when modal is form, closed
const useResetFormOnCloseModal = ({ form, visible }: { form: FormInstance; visible: boolean }) => {
  const prevVisibleRef = useRef<boolean>();
  useEffect(() => {
    prevVisibleRef.current = visible;
  }, [visible]);
  const prevVisible = prevVisibleRef.current;

  useEffect(() => {
    if (!visible && prevVisible) {
      form.resetFields();
    }
  }, [visible]);
};

const ModalForm: React.FC<ModalFormProps> = ({ visible, onCancel }) => {
  const [form] = Form.useForm();

  useResetFormOnCloseModal({
    form,
    visible,
  });

  const onOk = () => {
    form.submit();
  };

  return (
    <Modal title="Basic Drawer" visible={visible} onOk={onOk} onCancel={onCancel}>
      <Form form={form} layout="vertical" name="userForm">
        <Form.Item name="name" label="User Name" rules={[{ required: true }]}>
          <Input />
        </Form.Item>
        <Form.Item name="age" label="User Age" rules={[{ required: true }]}>
          <InputNumber />
        </Form.Item>
      </Form>
    </Modal>
  );
};

const Demo = () => {
  const [visible, setVisible] = useState(false);

  const showUserModal = () => {
    setVisible(true);
  };

  const hideUserModal = () => {
    setVisible(false);
  };

  const onFinish = (values: any) => {
    console.log('Finish:', values);
  };

  return (
    <Form.Provider
      onFormFinish={(name, { values, forms }) => {
        if (name === 'userForm') {
          const { basicForm } = forms;
          const users = basicForm.getFieldValue('users') || [];
          basicForm.setFieldsValue({ users: [...users, values] });
          setVisible(false);
        }
      }}
    >
      <Form {...layout} name="basicForm" onFinish={onFinish}>
        <Form.Item name="group" label="Group Name" rules={[{ required: true }]}>
          <Input />
        </Form.Item>
        <Form.Item
          label="User List"
          shouldUpdate={(prevValues, curValues) => prevValues.users !== curValues.users}
        >
          {({ getFieldValue }) => {
            const users: UserType[] = getFieldValue('users') || [];
            return users.length ? (
              <ul>
                {users.map((user, index) => (
                  <li key={index} className="user">
                    <Avatar icon={<UserOutlined />} />
                    {user.name} - {user.age}
                  </li>
                ))}
              </ul>
            ) : (
              <Typography.Text className="ant-form-text" type="secondary">
                ( <SmileOutlined /> No user yet. )
              </Typography.Text>
            );
          }}
        </Form.Item>
        <Form.Item {...tailLayout}>
          <Button htmlType="submit" type="primary">
            Submit
          </Button>
          <Button htmlType="button" style={{ margin: '0 8px' }} onClick={showUserModal}>
            Add User
          </Button>
        </Form.Item>
      </Form>

      <ModalForm visible={visible} onCancel={hideUserModal} />
    </Form.Provider>
  );
};

ReactDOM.render(<Demo />, mountNode);