import React from "react";
import styles from "./index.less";
import { Affix, Button } from "antd";

class Demo extends React.Component {
  state = {
    top: 10,
    bottom: 10
  };

  render() {
    return (
      <div>
        <Affix offsetTop={this.state.top}>
          <Button
            type="primary"
            onClick={() => {
              this.setState({
                top: this.state.top + 10
              });
            }}
          >
            Affix top
          </Button>
        </Affix>
        <br />
        <Affix offsetBottom={this.state.bottom}>
          <Button
            type="primary"
            onClick={() => {
              this.setState({
                bottom: this.state.bottom + 10
              });
            }}
          >
            Affix bottom
          </Button>
        </Affix>
      </div>
    );
  }
}

export default () => (
  <div className={styles.container}>
    <div id="components-affix-demo-basic">
      <Demo />
    </div>
  </div>
);