import { Calendar } from 'antd';

function onPanelChange(value, mode) {
  console.log(value.format('YYYY-MM-DD'), mode);
}

ReactDOM.render(<Calendar onPanelChange={onPanelChange} />, mountNode);

import { Calendar, Badge } from 'antd';

function getListData(value) {
  let listData;
  switch (value.date()) {
    case 8:
      listData = [
        { type: 'warning', content: 'This is warning event.' },
        { type: 'success', content: 'This is usual event.' },
      ];
      break;
    case 10:
      listData = [
        { type: 'warning', content: 'This is warning event.' },
        { type: 'success', content: 'This is usual event.' },
        { type: 'error', content: 'This is error event.' },
      ];
      break;
    case 15:
      listData = [
        { type: 'warning', content: 'This is warning event' },
        { type: 'success', content: 'This is very long usual event。。....' },
        { type: 'error', content: 'This is error event 1.' },
        { type: 'error', content: 'This is error event 2.' },
        { type: 'error', content: 'This is error event 3.' },
        { type: 'error', content: 'This is error event 4.' },
      ];
      break;
    default:
  }
  return listData || [];
}

function dateCellRender(value) {
  const listData = getListData(value);
  return (
    <ul className="events">
      {listData.map(item => (
        <li key={item.content}>
          <Badge status={item.type} text={item.content} />
        </li>
      ))}
    </ul>
  );
}

function getMonthData(value) {
  if (value.month() === 8) {
    return 1394;
  }
}

function monthCellRender(value) {
  const num = getMonthData(value);
  return num ? (
    <div className="notes-month">
      <section>{num}</section>
      <span>Backlog number</span>
    </div>
  ) : null;
}

ReactDOM.render(
  <Calendar dateCellRender={dateCellRender} monthCellRender={monthCellRender} />,
  mountNode,
);

.events {
  margin: 0;
  padding: 0;
  list-style: none;
}
.events .ant-badge-status {
  width: 100%;
  overflow: hidden;
  font-size: 12px;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.notes-month {
  font-size: 28px;
  text-align: center;
}
.notes-month section {
  font-size: 28px;
}

import { Calendar } from 'antd';

function onPanelChange(value, mode) {
  console.log(value, mode);
}

ReactDOM.render(
  <div className="site-calendar-demo-card">
    <Calendar fullscreen={false} onPanelChange={onPanelChange} />
  </div>,
  mountNode,
);

.site-calendar-demo-card {
  width: 300px;
  border: 1px solid #f0f0f0;
  border-radius: 2px;
}

import { Calendar, Alert } from 'antd';
import moment from 'moment';

class App extends React.Component {
  state = {
    value: moment('2017-01-25'),
    selectedValue: moment('2017-01-25'),
  };

  onSelect = value => {
    this.setState({
      value,
      selectedValue: value,
    });
  };

  onPanelChange = value => {
    this.setState({ value });
  };

  render() {
    const { value, selectedValue } = this.state;
    return (
      <>
        <Alert
          message={`You selected date: ${selectedValue && selectedValue.format('YYYY-MM-DD')}`}
        />
        <Calendar value={value} onSelect={this.onSelect} onPanelChange={this.onPanelChange} />
      </>
    );
  }
}

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

import { Calendar, Select, Radio, Col, Row, Typography } from 'antd';

function onPanelChange(value, mode) {
  console.log(value, mode);
}

ReactDOM.render(
  <div className="site-calendar-customize-header-wrapper">
    <Calendar
      fullscreen={false}
      headerRender={({ value, type, onChange, onTypeChange }) => {
        const start = 0;
        const end = 12;
        const monthOptions = [];

        const current = value.clone();
        const localeData = value.localeData();
        const months = [];
        for (let i = 0; i < 12; i++) {
          current.month(i);
          months.push(localeData.monthsShort(current));
        }

        for (let index = start; index < end; index++) {
          monthOptions.push(
            <Select.Option className="month-item" key={`${index}`}>
              {months[index]}
            </Select.Option>,
          );
        }
        const month = value.month();

        const year = value.year();
        const options = [];
        for (let i = year - 10; i < year + 10; i += 1) {
          options.push(
            <Select.Option key={i} value={i} className="year-item">
              {i}
            </Select.Option>,
          );
        }
        return (
          <div style={{ padding: 8 }}>
            <Typography.Title level={4}>Custom header</Typography.Title>
            <Row gutter={8}>
              <Col>
                <Radio.Group size="small" onChange={e => onTypeChange(e.target.value)} value={type}>
                  <Radio.Button value="month">Month</Radio.Button>
                  <Radio.Button value="year">Year</Radio.Button>
                </Radio.Group>
              </Col>
              <Col>
                <Select
                  size="small"
                  dropdownMatchSelectWidth={false}
                  className="my-year-select"
                  onChange={newYear => {
                    const now = value.clone().year(newYear);
                    onChange(now);
                  }}
                  value={String(year)}
                >
                  {options}
                </Select>
              </Col>
              <Col>
                <Select
                  size="small"
                  dropdownMatchSelectWidth={false}
                  value={String(month)}
                  onChange={selectedMonth => {
                    const newValue = value.clone();
                    newValue.month(parseInt(selectedMonth, 10));
                    onChange(newValue);
                  }}
                >
                  {monthOptions}
                </Select>
              </Col>
            </Row>
          </div>
        );
      }}
      onPanelChange={onPanelChange}
    />
  </div>,
  mountNode,
);

.site-calendar-customize-header-wrapper {
  width: 300px;
  border: 1px solid #f0f0f0;
  border-radius: 2px;
}