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A react based master/slave select implementation around react-select

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keul/react-masterselect

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React MasterSelect

A wrapper around react-select that add some master/slave behaviors.

Build Status Dependencies Dev Dependencies

Live demo

https://keul.github.io/react-masterselect/

How to use

Installation

npm install or yarn install

Import

This is the common react-select import:

import Select from 'react-select';

Change it as follow:

import MasterSelect from 'react-masterselect';

The MasterSelect component can be used in the same way as Select can but if you provide more props and structure your app in the proper way, you can get new features.

Examples

  <MasterSelect
    id="master"
    options={[
      {label: 'Value 1' value: 'value1'},
      {label: 'Value 2' value: 'value2'},
    ]}
    value={this.state.master}
    onChange={selected => {
      this.setState({ master: selected });
    }}
    ref={select => {
      this.fields.master = select;
    }}
    selects={this.fields}
    slaves={[
      {
        id: 'slave',
        action: 'optionsChange',
        rules: {
          value2: ['valuea', 'valuec']
        }
      },
    ]}
  />
  <MasterSelect
    id="slave"
    options={[
      {label: 'Value A' value: 'valuea'},
      {label: 'Value B' value: 'valueb'},
      {label: 'Value C' value: 'valuec'},
    ]}
    value={this.state.slave}
    onChange={selected => {
      this.setState({ slave: selected });
    }}
    ref={select => {
      this.fields.slave = select;
    }}
    selects={this.fields}
  />

When selecting value2 from the master select, only valuea and valuec on the slave will be available.

In this case we limited the slave's set by filtering options that were already present.

Another example:

  <MasterSelect
    id="master"
    options={[
      {label: 'Value 1' value: 'value1'},
      {label: 'Value 2' value: 'value2'},
    ]}
    value={this.state.master}
    onChange={selected => {
      this.setState({ master: selected });
    }}
    ref={select => {
      this.fields.master = select;
    }}
    selects={this.fields}
    slaves={[
      {
        id: 'slave',
        action: 'optionsChange',
        rules: {
          value2: [
            'valuea',
            {label: 'Value B' value: 'valueb1'}
            {label: 'Value D' value: 'valued'}
          ]
        }
      },
    ]}
  />
  <MasterSelect
    id="slave"
    options={[
      {label: 'Value A' value: 'valuea'},
      {label: 'Value B' value: 'valueb'},
      {label: 'Value C' value: 'valuec'},
    ]}
    value={this.state.slave}
    onChange={selected => {
      this.setState({ slave: selected });
    }}
    ref={select => {
      this.fields.slave = select;
    }}
    selects={this.fields}
  />

In this example we are both reusing an options already defined in the slave's set, but also adding new ones.

New props

  • id: the same id you can pass to react-masterselect but it's required

  • selects: an object containing a reference to all of the selects that take place in the master/slave behavior. You can commonly build it using ref (see below).

  • slaves : an array of complex structures shaped as follow:

    PropTypes.arrayOf(
      PropTypes.shape({
        id: PropTypes.string.isRequired,
        action: PropTypes.string.isRequired,
        rules: PropTypes.object
      })
    )

    where:

    • id is an id prop of a slave select
    • action is the type of action.
    • rules: based on action, those are the change rules to be applied to slaves.

Type of actions

The only supported type of action for now is optionsChange, so rules describe how slave's options should change:

The rules array can be a list of values, or a list of react-select Select compatible new options, or both (mixed).

When you provide a simple value, this mean that the same option whit that value in the original option set is kept (while other are discarded).

If you provide an object, it's used to extends the original options set of the Select.

Limitations

  • Select.Async is not currently supported
  • needs more types of actions

Credits

Loosely inspired by some MasterSelect widgets implemented by the Plone CMS.

Development

Start development server

npm start or yarn start

This runs the demo app in development mode. Open http://localhost:3000 to view it in the browser.

Testing

To run tests:

npm run test or yarn run test