Multi select

Kenshoo multi select component

react-multi-select demo

Multi select is a straight forward component that helps a user select multiple items in a clear and filterable way.

Installation

Installation using npm:

 npm install @kenshooui/react-multi-select --save

Installation using Yarn:

 yarn add @kenshooui/react-multi-select

Import styles

Include the component's css on your app

import "@kenshooui/react-multi-select/dist/style.css"

How to use

import React, { Component } from "react";
import MultiSelect from "@kenshooui/react-multi-select";

class Example extends Component {
  constructor(props) {
    super(props);
    this.handleChange = this.handleChange.bind(this);
    this.state = {
      items: [
        { id: 0, label: "item 1" },
        { id: 2, label: "item 2", disabled: true },
        { id: 3, label: "item 3", disabled: false },
        { id: 4, label: "item 4" }
      ],
      selectedItems: []
    };
  }

  handleChange(selectedItems) {
    this.setState({ selectedItems });
  }
  render() {
    const { items, selectedItems } = this.state;
    return (
      <MultiSelect
        items={items}
        selectedItems={selectedItems}
        onChange={this.handleChange}
      />
    );
  }
}

Properties

Name	Type	Default	Description
items	List	[]	list of items.
selectedItems	Array	[]	selected list to start with (subgroup of items).
onChange	function	()=>{}	callback for changed event.
loading	boolean	false	toggle to show loading indication.
messages	Object	{}	custom messages. Please see below for the availabale messages.
showSearch	boolean	true	toggle to show search option.
showSelectAll	boolean	true	toggle to show select all option in list.
showSelectedItems	boolean	true	toggle to show selected items right pane.
wrapperClassName	String	''	wrapper class name - Used for customizing the style.
height	number	400	available items list height.
itemHeight	number	40	the height of an item in the list.
selectedItemHeight	number	itemHeight	the height of the selected item in the list.
selectAllHeight	number	itemHeight	the height of the selectAll component, by default will use the value of the itemHeight.
maxSelectedItems	number		defines the maximum items that can be selected, overrides showSelectAll.
filterFunction	function	based on label	The function used to filter items based on the search query.
searchRenderer	Component		Component to replace the default Search component.
selectedItemRenderer	Component		Component to replace the default selected item component in the destination list.
loaderRenderer	Component		Component to replace the default loader component.
selectAllRenderer	Component		Component to replace the default select all component.
itemRenderer	Component		Component to replace the default item component in the source list.
selectionStatusRenderer	Component		Component to replace the default selection status component.
noItemsRenderer	Component		Component to replace the default no items component.
searchValue	string		The value of the search field.
searchValueChanged	function		Function to handle the change of search field. Accepts value as a single argument.
responsiveHeight	string	400px	Responsive height of the wrapping component, can send percent for example: 70%
withGrouping	boolean	false	Your items will be grouped by the group prop values - see "item grouping" section below
showSelectedItemsSearch	boolean	false	toggle to show search option in detination list.
searchSelectedItemsValue	string		The value of the search field for destination list.
searchSelectedItemsChanged	function		Function to handle the change of search field for destination list. Accepts value as a single argument.
selectedItemsFilterFunction	function	based on label	Is the same as filterFunction by default to filter items based on the search query in destination list.
isLocked	function	item => item.disabled	Function to be used to define whether item is locked or not

Customization

Renderers

You can replace the renderers of the following components:

Item

Use the itemRenderer to replace the default component.

Each item receives the following props:

item - holds your item data

height - receives the height defined by the list

onClick - the event to toggle selection on the component

checked - indicates if the item is selected

indeterminate - used by the select all component to display indeterminate mode

disabled - defines if item should be disabled. Item won't be clickable for selection and will be ignored when clicking "Select All".

group - group item - no checkbox, not clickable, black colored

Select All

Use the selectAllRenderer to replace the default component.

The SelectAll component receives the following props:

height - receives the height defined by the parent

onClick - Triggers the select all/clear all event on click

isAllSelected - Indicates that all items are selected

selectAllMessage - Defines the message for the SelectAll component

selectedIds - holds a list of ids of all the selected items

Selected Item

Use the selectAllRenderer to replace the default component.

The SelectedItem component receives the following props:

item - holds your item data

height - receives the height defined by the list

You can disable specific selected items by passing item.disabled: true or pass isLocked function which will be used to define whether the item is disabled.

Example (selected & disabled):

function Exemple(){
  const items = [{id:0,label: 'item 0'}, {id:1,label: 'item 1'}];
  return (
        <MultiSelect
          isLocked={item => item.label === 'item 0'}
          items={items}
          selectedItems={items}
        />
}

Search

Use the searchRenderer to replace the default component.

The Search component receives the following props:

searchPlaceholder - defines the message to display in the search placeholder

onChange - triggers the action of changing the search value

Selection Status

Use the selectionStatusRenderer to replace the default component.

The SelectionStatus component receives the following props:

selected - an array of all the selected ids

clearAll - callback to clear all selected items

clearAllMessage - text to display in the clear all text

noneSelectedMessage - text to display when no items are selected

selectedMessage - text to display when there are items selected

Loader

Use the loaderRenderer to replace the default component.

Does not receive any props.

No Items

Use the noItemsRenderer to replace the default component.

Does not receive any props.

Search Function

In order to accommodate complex item filters, you can provide your own filter method in the filterFunction prop.

Example (default):

value => item =>
  String(item.label)
    .toLowerCase()
    .includes(value.toLowerCase())

Performs search on server side

value => {
    callServer(value).then(items => this.setState({items}));
    // At the end return the expected method
    return item => true;
}

Messages

You can use your own messages. Here is the default messages object:

 messages: {
    searchPlaceholder: "Search...",
    noItemsMessage: "No Items...",
    noneSelectedMessage: "None Selected",
    selectedMessage: "selected",
    selectAllMessage: "Select All",
    clearAllMessage: "Clear All",
    disabledItemsTooltip: "You can only select 1 file"
  }

Item grouping

You can add also grouping to your items - add a group prop with the group name as a value to each of your items and add withGrouping prop as well.

 <MultiSelect
    items={[{id: 1, label: "item1", group: "group1"},
            {id: 2, label: "item2", group: "group1"}
            {id: 3, label: "item3", group: "group2"}]}
    withGrouping
    selectedItems={selectedItems}
    onChange={this.handleChange}
  />

How to Contribute

Setting up development environment

1. Fork the repository and create your branch from master.
2. Install the project: yarn install
3. Run tests: yarn test or yarn test:watch
4. Run dev environment: yarn storybook and head to https://localhost:6006

Issuing a change

1. Push to github.
2. If you’ve fixed a bug or added code that should be tested, add tests.
3. Open a Pull Request with the following guidelines:
   • Set title prefix to feature/bug and supply a descriptive PR title.
   • Add description to your Pull Request describing your change.
4. Once your Pull Request is issued, the test suite and build processes will run and your change will be reviewed.

Compatibility

• React 16 or newer