cuitymiko / react-pullload

React component pull down refresh and pull up load more

中文

react-pullLoad

Refreshing and Loading more component for react.

pullLoad is another refreshing and loading more lib without react, support require.js to load lib.

examples

demo1 use ReactPullLoad root DOM as container

demo2 use ReactPullLoad root DOM as container

demo3 use document.body as container, and config UI component (HeadNode and FooterNode).

demo4 forbidden pull refresh

version 1.2.0

Support Typescript

Description

1. Only depend on react/react-dom, without any other package.
2. Use less.
3. Support body or root Dom as container.
4. Bind touch event on component root Dom.
5. It.s develop as Pure react component.
6. Support config UI component (HeadNode and FooterNode).
7. Can apply refreshing or loading through modify STATE.
8. Only support mobile device

How to use

npm install --save react-pullload

import ReactPullLoad, { STATS } from "react-pullload";
import "node_modules/react-pullload/dist/ReactPullLoad.css";

export class App extends Component {
  constructor() {
    super();
    this.state = {
      hasMore: true,
      data: cData,
      action: STATS.init,
      index: loadMoreLimitNum //loading more test time limit
    };
  }

  handleAction = action => {
    console.info(action, this.state.action, action === this.state.action);
    //new action must do not equel to old action
    if (action === this.state.action) {
      return false;
    }

    if (action === STATS.refreshing) {
      this.handRefreshing();
    } else if (action === STATS.loading) {
      this.handLoadMore();
    } else {
      //DO NOT modify below code
      this.setState({
        action: action
      });
    }
  };

  handRefreshing = () => {
    if (STATS.refreshing === this.state.action) {
      return false;
    }

    setTimeout(() => {
      //refreshing complete
      this.setState({
        data: cData,
        hasMore: true,
        action: STATS.refreshed,
        index: loadMoreLimitNum
      });
    }, 3000);

    this.setState({
      action: STATS.refreshing
    });
  };

  handLoadMore = () => {
    if (STATS.loading === this.state.action) {
      return false;
    }
    //无更多内容则不执行后面逻辑
    if (!this.state.hasMore) {
      return;
    }

    setTimeout(() => {
      if (this.state.index === 0) {
        this.setState({
          action: STATS.reset,
          hasMore: false
        });
      } else {
        this.setState({
          data: [...this.state.data, cData[0], cData[0]],
          action: STATS.reset,
          index: this.state.index - 1
        });
      }
    }, 3000);

    this.setState({
      action: STATS.loading
    });
  };

  render() {
    const { data, hasMore } = this.state;

    const fixHeaderStyle = {
      position: "fixed",
      width: "100%",
      height: "50px",
      color: "#fff",
      lineHeight: "50px",
      backgroundColor: "#e24f37",
      left: 0,
      top: 0,
      textAlign: "center",
      zIndex: 1
    };

    return (
      <div>
        <div style={fixHeaderStyle}>fixed header</div>
        <ReactPullLoad
          downEnough={150}
          action={this.state.action}
          handleAction={this.handleAction}
          hasMore={hasMore}
          style={{ paddingTop: 50 }}
          distanceBottom={1000}
        >
          <ul className="test-ul">
            <button onClick={this.handRefreshing}>refreshing</button>
            <button onClick={this.handLoadMore}>loading more</button>
            {data.map((str, index) => {
              return (
                <li key={index}>
                  <img src={str} alt="" />
                </li>
              );
            })}
          </ul>
        </ReactPullLoad>
      </div>
    );
  }
}

API：

Property	Description	Type	default	Remarks
action	sync component status	string		isRequired
handleAction	handle status	func		isRequired
hasMore	flag for are there any more content to load	bool	false
downEnough	how long distance is enough to refreshing	num	100	use px as unit
distanceBottom	current position is apart from bottom	num	100	use px as unit
isBlockContainer	set root dom as container	bool	false
HeadNode	custom header UI compoent	any	ReactPullLoad HeadNode	must be a react component
FooterNode	custom footer UI compoent	any	ReactPullLoad FooterNode	must be a react component

Remarks: ReactPullLoad support set root dom className and style.

STATS list

Property	Value	root className	explain
init	''		component initial status
pulling	'pulling'	state-pulling	pull status
enough	'pulling enough'	state-pulling.enough	pull down enough status
refreshing	'refreshing'	state-refreshing	refreshing status fetch data
refreshed	'refreshed'	state-refreshed	refreshed
reset	'reset'	state-reset	reset status
loading	'loading'	state-loading	fetching data

init/reset -> pulling -> enough -> refreshing -> refreshed -> reset

init/reset -> pulling -> reset

init/reset -> loading -> reset

Custom UI components

Please refer to the default HeadNode and FooterNode components

ReactPullLoad HeadNode

ReactPullLoad FooterNode

Or refer to demo3, show different dom style through compare props loaderState width STATS.

demo3

License

MIT