@r/widgets
A collection of React components and the Redux actions and reducers to accompany them
Last updated 3 years ago by fruchtose .
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r/widgets

A collection of helpful React components that can be used without much effort in a React + Redux environment

Installation

To install, use npm:

npm install -S @r/widgets

You'll also need to install the peer dependencies. Ex:

npm install -S lodash@4 react@15 react-redux@4 redux@3 reselect@2

Usage

Tooltip

First, plug in the reducer. Be sure that the reducer is named widgets in the store.

import widgets from '@r/widgets/reducer';
import { combineReducers } from 'redux';

const reducers = combineReducers({
  widgets,
  /* other reducers */
});

Create a tooltip and give it a target. Both the target and the tooltip must have the same id. If you want to auto-close tooltips when the user clicks elsewhere on the page, include the TooltipShutter.

import React from 'react';
import { Tooltip, TooltipTarget, TooltipShutter } from '@r/widgets/tooltip';

class Foo extends React.Component {
  render() {
    return (
      <div>
        <div>
          <TooltipTarget id='test tooltip'>Mouse over me!</Target>
        </div>
        <Tooltip
          id='test tooltip'
          alignment={ Tooltip.ALIGN.ABOVE }
        >
          Hello!
        </Tooltip>
        <TooltipShutter/>
      </div>
    );
  }
}

And that's it! Tooltip and Target also come with a few configuration options:

Tooltip

  1. alignment: One of Tooltip.ALIGN.ABOVE, Tooltip.ALIGN.BELOW, Tooltip.ALIGN.LEFT, Tooltip.ALIGN.RIGHT
  2. offset: Number of pixels the tooltip should be separated from the target when shown.

TooltipTarget

  1. type: Indicates what kind of action will trigger the tooltip. One of TooltipTarget.TYPE.HOVER, TooltipTarget.TYPE.CLICK, or TooltipTarget.TYPE.BOTH.

Modal

Much like the tooltip, you need to plug in the reducer. Be sure that the reducer is named widgets in the store.

import widgets from '@r/widgets/reducer';
import { combineReducers } from 'redux';

const reducers = combineReducers({
  widgets,
  /* other reducers */
});

Create a modal and give it a target. Both the target and the modal must have the same id.

import React from 'react';
import { Modal, ModalTarget } from '@r/widgets/modal';

class Foo extends React.Component {
  render() {
    return (
      <div>
        <div>
          <ModalTarget id='test modal'>Click me!</ModalTarget>
        </div>
        <Modal
          id='test modal'
          className='TestModal' // modals come unstyled by default,
                                // so you'll want to give it a className
        >
          Hello!
        </Modal>
      </div>
    );
  }
}

Scroller

The Scroller semi-lazily renders items, keeping the DOM from being cluttered with a large number of elements. If the scroller is given an id, it will save its scroll position as well.

It is highly recommended each Scroller instance is given a key. This ensures that each Scroller can operate independently of any other Scroller;

Any refs on the children are overwritten by Scroller, so do not expect those to be maintained.

Finally, each child in the Scroller MUST have a key.

  id:         <String> optional.
              if provided, the Scroller will save the last scroll position

  buffer:     <Number> optional.
              adjusts the distance above and below the Scroller viewport where
              components will still be rendered.

  loadMargin: <Number> optional.
              adjusts the distance from the bottom of the Scroller where the
              callback is fired

  onLoadMore: <Function> optional.
              called when the scroll position hits the `loadMargin`

Using the Scroller:

import React from 'react';
import Scroller from '@r/widgets/scroller';

class Foo extends React.Component {
  render() {
    return (
      <div>
        <Scroller
          id='Foo-scroller'
          key='unique-key'
        >
          { children.map(c => (
            <div key={ c.id }>{ c.title }</div>
          )) }
        </Scroller>
      </div>
    );
  }
}

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