React multiselect With checkbox support instead of tags Sample in 2020

React multiselect With checkbox support instead of tags Sample in 2020


tutorials -

Picky

Yet another React multiselect. With checkbox support instead of tags.

Motivation

When dealing with medium+ length select lists, especially multi-select lists. The common approach is to use tags e.g.

Source: React-Select by Jed Watson

This approach is fine for smaller lists. When you have options for 20, 30, 100+ options that the use can select, it becomes unmanigable.

For example you have a internal staff mailing list. You want to mail all staff in a department (30 employees). You select all. That would be 30 tags taking unneccessary space.

This is a multiselect with checkboxes, a select all option, and a filter. Along a similar vein as David Stutz's Bootstrap Multiselect. There is a port of that library to react with Skratchdot's React Bootstrap Multiselect. However I don't want a dependency on jQuery. If you are already using jQuery that might be an alternative for you.

If you like the tag list like React-Select, then that would be a great option for you. It's a really great, well-tested library. Give it a look.

Peer Dependencies

 "prop-types": "^15.6.0",
 "react": "^16.2.0",
 "react-dom": "^16.2.0"

Installation

  npm install --save react-picky
  # or
  yarn add react-picky

Screenshots

Single Select

Multi Select

Usage

Basic example

import Picky from 'react-picky';
import 'react-picky/dist/picky.css'; // Include CSS

<Picky
  options={[1, 2, 3, 4, 5]}
  value={[]}
  multiple={true}
  includeSelectAll={true}
  includeFilter={true}
  onChange={values => console.log(values)}
  dropdownHeight={600}
/>;

Sandboxes

Basic multiselect and single select

Custom rendering

Props

Picky.defaultProps = {
  numberDisplayed: 3,
  options: [],
  filterDebounce: 150,
  dropdownHeight: 300,
  onChange: () => {},
  tabIndex: 0,
  keepOpen: true,
  selectAllText: 'Select all'
};
Picky.propTypes = {
  placeholder: PropTypes.string,
  value: PropTypes.oneOfType([
    PropTypes.array,
    PropTypes.string,
    PropTypes.number,
    PropTypes.object
  ]),
  numberDisplayed: PropTypes.number,
  multiple: PropTypes.bool,
  options: PropTypes.array.isRequired,
  onChange: PropTypes.func.isRequired,
  open: PropTypes.bool,
  includeSelectAll: PropTypes.bool,
  includeFilter: PropTypes.bool,
  filterDebounce: PropTypes.number,
  dropdownHeight: PropTypes.number,
  onFiltered: PropTypes.func,
  onOpen: PropTypes.func,
  onClose: PropTypes.func,
  valueKey: PropTypes.string,
  labelKey: PropTypes.string,
  render: PropTypes.func,
  tabIndex: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
  keepOpen: PropTypes.bool,
  manySelectedPlaceholder: PropTypes.string,
  allSelectedPlaceholder: PropTypes.string,
  selectAllText: PropTypes.string,
  renderSelectAll: PropTypes.func,
  defaultFocusFilter: PropTypes.bool
};

Prop descriptions

  • placeholder - Default message when no items are selected.
  • value - The selected value(s), array if multiple is true. Not needed if using as an uncontolled component
  • numberDisplayed - Then number of selected options displayed until it turns into '(selected count) selected'.
  • multiple - Set to true for a multiselect, defaults to false.
  • options - Array of possible options.
  • onChange - Called whenever selected value(s) have changed. If you are using this as a controlled component, pass the selected value back into value.
  • open - Can open or close the dropdown manually. Defaults to false.
  • includeSelectAll - If set to true will add a Select All checkbox at the top of the list.
  • includeFilter - If set to true will add an input at the top of the dropdown for filtering the results.
  • filterDebounce - Debounce timeout, used to limit the rate the internal onFilterChange gets called. Defaults to 150ms.
  • dropdownHeight - The height of the dropdown. Defaults to 300px.
  • onFiltered - Called after a filter has been done with the filtered options.
  • onOpen - Called after the dropdown has opened.
  • onClose - Called after the dropdown has closed.
  • valueKey - If supplying an array of objects as options, this is required. It's used to identify which property on the object is the value.
  • labelKey - If supplying an array of objects as options, this is required. It's used to identify which property on the object is the label.
  • render - Used for custom rendering of items in the dropdown. More info below.
  • tabIndex - Pass tabIndex to component for accessibility. Defaults to 0
  • keepOpen - Default true. Single selects close automatically when selecting a value unless this is set to true.
  • manySelectedPlaceholder - Default "%s selected" where %s is the number of items selected. This gets used when the number if items selected is more than the numberDisplayed prop and when all options are not selected.
  • allSelectedPlaceholder - Default "%s selected" where %s is the number of items selected. This gets used when all options are selected.
  • selectAllText - Default "Select all", use this to override "Select all" text from top of dropdown when included with includeSelectAll.
  • renderSelectAll - Used for rendering a custom select all
  • defaultFocusFilter - If set to true, will focus the filter by default when opened.

Custom rendering

Items

You can render out custom items for the dropdown.

Example

<Picky
  value={this.state.arrayValue}
  options={bigList}
  onChange={this.selectMultipleOption}
  open={false}
  valueKey="id"
  labelKey="name"
  multiple={true}
  includeSelectAll={true}
  includeFilter={true}
  dropdownHeight={600}
  render={({
    style,
    isSelected,
    item,
    selectValue,
    labelKey,
    valueKey,
    multiple
  }) => {
    return (
      <li
        style={style} // required
        className={isSelected ? 'selected' : ''} // required to indicate is selected
        key={item[valueKey]} // required
        onClick={() => selectValue(item)}
      >
        {/* required to select item */}
        <input type="checkbox" checked={isSelected} readOnly />
        <span style={{ fontSize: '30px' }}>{item[labelKey]}</span>
      </li>
    );
  }}
/>

The render callback gets called with the following properties:
style, isSelected, item, labelKey, valueKey, selectValue, multiple

  • isSelected - boolean - true if item is selected. Use this for styling accordingly.
  • item - object | number | string - The item to render.
  • labelKey - Used to get the label if item is an object
  • valueKey - Used to get the value if item is an object, good for keys.
  • selectValue - function(item) - Selects the item on click
  • multiple - boolean - Indicates if is a multiselect.

Note

  • If your rendered item affects the height of the item in anyway. Supply itemHeight to Picky.
  • If you wish to show a radio button or a checkbox, be sure to add readOnly prop to the input.

Select All

<Picky
  // ...
  renderSelectAll={({
    filtered,
    tabIndex,
    allSelected,
    toggleSelectAll,
    multiple
  }) => {
    // Don't show if single select or items have been filtered.
    if (multiple && !filtered) {
      return (
        <div
          tabIndex={tabIndex}
          role="option"
          className={allSelected ? 'option selected' : 'option'}
          onClick={toggleSelectAll}
          onKeyPress={toggleSelectAll}
        >
          <h1>SELECT ALL</h1>
        </div>
      );
    }
  }}
/>

Gets called with the following properties:

  • filtered: boolean - true if items have been filtered.
  • allSelected: boolean true if all items are selected.
  • toggleSelectAll: function selects or deselects all items.
  • tabIndex: number used for specifying tab index.
  • multiple: boolean true if multiselect.

styled-components support

Support is pretty basic by allowing a className prop to <Picky>, so as a side effect you can add a custom class to the core Picky for easier style overrides.

Usage

const Select = styled(Picky)`
  background-color: #ff0000;
  .picky__dropdown,
  .option {
    font-size: 2em;
  }
`;

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