React Native Purejs popover that uses Modal

React-Native pure JS popover that uses Modal. react-native-modal-popover

The original react-native-popover is now outdated, so I decided to publish my own module to avoid using github url in my package.json. Something got lost in the process of rewriting, but now it uses Modal and native animation drivers, and also has cool helper to use with Touchables. Thanks to @jeanregisser and to the authors of hanging PRs for their code.

ios

android

Requirements

Previously (version 0.0.6) this module required react version >16.2.0 to work (which corresponds to react-native version >0.52.0).

Version 0.0.7 does not reqire React.Fragment anymore, so you can use with reasonably old versions of react and react-native.

Install

yarn add react-native-modal-popover

Usage

This module exports two react components, Popover and PopoverController.
Popover works pretty much like original Popover, and PopoverController is a convenience component that uses React Render Props pattern.

Important this example uses React.Fragment to wrap children, but if you use react-native version older than 0.52, then you should reaplce React.Fragment with View

import React from 'react';
import { Button, StyleSheet, Text, View } from 'react-native';
import { Popover, PopoverController } from 'react-native-modal-popover';

const styles = StyleSheet.create({
  app: {
    ...StyleSheet.absoluteFillObject,
    alignItems: 'center',
    justifyContent: 'center',
    backgroundColor: '#c2ffd2',
  },
  content: {
    padding: 16,
    backgroundColor: 'pink',
    borderRadius: 8,
  },
  arrow: {
    borderTopColor: 'pink',
  },
  background: {
    backgroundColor: 'rgba(0, 0, 255, 0.5)'
  },
});

const App = () => (
  <View style={styles.app}>
    <PopoverController>
      {({ openPopover, closePopover, popoverVisible, setPopoverAnchor, popoverAnchorRect }) => (
        <React.Fragment>
          <Button title="Press me!" ref={setPopoverAnchor} onPress={openPopover} />
          <Popover 
            contentStyle={styles.content}
            arrowStyle={styles.arrow}
            backgroundStyle={styles.background}
            visible={popoverVisible}
            onClose={closePopover}
            fromRect={popoverAnchorRect}
            supportedOrientations={['portrait', 'landscape']}
          >
            <Text>Hello from inside popover!</Text>
          </Popover>
        </React.Fragment>
      )}
    </PopoverController>
  </View>
);

export default App;

Props

Popover

Prop Type Optional Default Description
visible bool Yes false Show/Hide the popover
fromRect Rect No* Rectangle at which to anchor the popover. Optional when used inside PopoverTouchable, required when used standalone. If you set this property, you should also change it when screen orientation changes.
displayArea Rect Yes Screen - 10px padding Area where the popover is allowed to be displayed. Important note: if you use non-default value here and you want to handle screen orientation changes, it is your responsibility to change this value when screen orientation changes.
placement string Yes ‘auto’ How to position the popover - top
onClose function Yes Callback to be fired when the user closes the popover
backgroundStyle ViewStyle Yes Custom style to be applied to background overlay
contentStyle ViewStyle Yes Custom style to be applied to popover reactangle. Use it to set round corners, background color, etc.
arrowStyle ViewStyle Yes Custom style to be applied to popover arrow. Use borderTopColor to match content backgroundColor
duration number Yes 300 Animation duration
easing (show: boolean) => (value: number) => number Yes show => show ? Easing.out(Easing.back(1.70158)) : Easing.inOut(Easing.quad) Function that returns easing function for show or hide animation, depending on show argument
useNativeDriver bool Yes false Defines if animations should use native driver
supportedOrientations array of enum(‘portrait’, ‘portrait-upside-down’, ‘landscape’, ‘landscape-left’, ‘landscape-right’) Yes This prop is passed to react-native Modal, see react-native docs. Set this to ['portrait', 'landscape'] if you want your popover to resprect screen orientation.

PopoverController

PopoverController accepts function as children. This function is called with one argument of type PopoverControllerRenderProps and returns react element. The children of this element are your UI handle to open popover (Button, Toggle, whatever) and Popover element itself. Pass properties to you handle and Popover, and PopoverController will make them work together behind the scenes. All the props are required to make controller work.

PopoverControllerRenderProps:

Prop Type Description
openPopover () => void Call this function when you want to open popover, e.g. pass to onPress of a Button
closePopover () => void Call this function when you want to close popover. Typically you pass this as onClose prop of Popover, which will make popover close when tapped outside. If you have a button inside popover which should close the popover, pass this function to this button.
popoverVisible boolean Pass this to visible prop of Popover component
setPopoverAnchor ref function Pass this as ref to popover UI handle. This will bind popover display position to the position of this UI handle.
popoverAnchorRect Rect Pass this as fromRect prop of Popover component

Rect

Rect is an object with the following properties: {x: number, y: number, width: number, height: number}

Using without PopoverController

In this case you have to handle refs, measure UI handle and manage popover visibility manually:

import React from 'react';
import {findNodeHandle, NativeModules, StyleSheet, Text, View} from 'react-native';
import Button from './Button';
import Popover from './popover';

const styles = StyleSheet.create({
  app: {
    ...StyleSheet.absoluteFillObject,
    padding: 10,
    backgroundColor: '#c2ffd2',
    alignItems: 'center',
  },
});

export default class App2 extends React.Component {

  state = {
    showPopover: false,
    popoverAnchor: { x: 0, y: 0, width: 0, height: 0 },
  };

  setButton = (e) => {
    const handle = findNodeHandle(this.button);
    if (handle) {
      NativeModules.UIManager.measure(handle, (x0, y0, width, height, x, y) => {
        this.setState({ popoverAnchor: { x, y, width, height } });
      });
    }
  };

  openPopover = () => {
    this.setState({ showPopover: true })
  };

  closePopover = () => this.setState({ showPopover: false });

  render() {
    return (
      <View style={styles.app}>
        <Button
          ref={r => {this.button = r}} icon="arrow-up" onPress={this.openPopover} onLayout={this.setButton}/>
        <Popover
          visible={this.state.showPopover}
          fromRect={this.state.popoverAnchor}
          onClose={this.closePopover}
          placement="bottom"
        >
          <Text>Hi</Text>
        </Popover>
      </View>
    );
  }
}

Download Details:

Author: doomsower

GitHub: https://github.com/doomsower/react-native-modal-popover

#react-native #programming

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React Native Purejs popover that uses Modal
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