@trendmicro/react-dropdown

react-dropdown

React Dropdown

Demo: https://trendmicro-frontend.github.io/react-dropdown

Installation

1. Install the latest version of react and react-dropdown:

npm install --save react @trendmicro/react-dropdown

1. At this point you can import @trendmicro/react-dropdown and its styles in your application as follows:

import Dropdown, {
    DropdownToggle,
    DropdownMenu,
    DropdownSubMenu,
    MenuItem,
    DropdownButton
} from '@trendmicro/react-dropdown';

// Be sure to include styles at some point, probably during your bootstraping
import '@trendmicro/react-buttons/dist/react-buttons.css';
import '@trendmicro/react-dropdown/dist/react-dropdown.css';

Recommended Setup

Create a common components directory including both Buttons and Dropdown components, as shown below:

components/
  Buttons/
    index.js
  Dropdown/
    index.js

components/Buttons/index.js

import '@trendmicro/react-buttons/dist/react-buttons.css';

export { Button, ButtonGroup, ButtonToolbar } from '@trendmicro/react-buttons';

components/Dropdown/index.js

import '@trendmicro/react-dropdown/dist/react-dropdown.css';
import Dropdown from '@trendmicro/react-dropdown';
import '../Buttons'; // Ensure CSS dependency

export default Dropdown;
export {
    DropdownToggle,
    DropdownMenu,
    DropdownSubMenu,
    MenuItem,
    DropdownButton
} from '@trendmicro/react-dropdown';

Then, import Dropdown component in your code:

import Dropdown from './components/Dropdown';

Usage

Dropdown

<Dropdown
    onSelect={(eventKey) => {
    }}
>
    <Dropdown.Toggle
        btnStyle="flat"
    >
        Toggler
    </Dropdown.Toggle>
    <Dropdown.Menu>
        <MenuItem header>Header</MenuItem>
        <MenuItem eventKey={1}>link</MenuItem>
        <MenuItem divider />
        <MenuItem header>Header</MenuItem>
        <MenuItem eventKey={2}>link</MenuItem>
        <MenuItem eventKey={3} disabled>disabled</MenuItem>
        <MenuItem
            eventKey={4}
            title="link with title"
        >
            link with title
        </MenuItem>
        <MenuItem
            eventKey={5}
            href="#someHref"
            active
            onSelect={(eventKey) => {
                alert(`Alert from menu item.\neventKey: ${eventKey}`);
            }}
        >
            link that alerts
        </MenuItem>
    </Dropdown.Menu>
</Dropdown>

Multi-Level Dropdown

<Dropdown>
    <Dropdown.Toggle title="Select an option" />
    <Dropdown.Menu>
        <MenuItem>
            Menu item one
        </MenuItem>
        <MenuItem>
            Menu item two
        </MenuItem>
        <MenuItem>
            Menu item three
        </MenuItem>
        <MenuItem divider />
        <Dropdown.SubMenu title="Menu item four">
            <MenuItem>
                Second level item one
            </MenuItem>
            <MenuItem>
                Second level item two
            </MenuItem>
            <Dropdown.SubMenu title="Second level item three">
                <MenuItem>
                    Third level item one
                </MenuItem>
            </Dropdown.SubMenu>
        </Dropdown.SubMenu>
    </Dropdown.Menu>
</Dropdown>

DropdownButton

<DropdownButton
    btnSize="xs"
    title="More"
    onSelect={(eventKey) => {
    }}
>
    <MenuItem eventKey={1}>link</MenuItem>
    <MenuItem eventKey={2}>link</MenuItem>
</DropdownButton>

API

Properties

Dropdown

Name	Type	Default	Description
componentClass	element	ButtonGroup	A custom element for this component.
dropup	boolean	false	The menu will open above the dropdown button, instead of below it.
disabled	boolean	false	Whether or not component is disabled.
open	boolean	false	Whether or not the dropdown is visible.
autoOpen	boolean	false	Whether to open the dropdown on mouse over.
pullRight	boolean	false	Align the menu to the right side of the dropdown toggle.
onClose	function(event)		A callback fired when the dropdown closes.
onToggle	function(boolean)		A callback fired when the dropdown wishes to change visibility. Called with the requested open value.
onSelect	function(eventKey, event)		A callback fired when a menu item is selected.
role	string		If 'menuitem', causes the dropdown to behave like a menu item rather than a menu button.
rootCloseEvent	One of: 'click' 'mousedown'		Which event when fired outside the component will cause it to be closed.

DropdownToggle

Name	Type	Default	Description
componentClass	element	Button	A custom element for this component.
btnSize	One of: 'lg' 'md' 'sm' 'xs'	'md'
btnStyle	One of: 'default' 'primary' 'emphasis' 'flat' 'link'	'flat'
noCaret	boolean	false	Whether to prevent a caret from being rendered next to the title.
title	node		Title content.
disabled	boolean	false	Whether or not component is disabled.
open	boolean	false	Whether or not the dropdown is visible.

DropdownMenu

Name	Type	Default	Description
componentClass	element	ul	A custom element for this component.
scrollable	boolean	false	Whether or not the scrollbar is visible.
maxHeight	number	150	The maximum height of the dropdown menu.
open	boolean	false	Whether or not the dropdown is visible.
pullRight	boolean	false	Align the menu to the right side of the dropdown toggle.
onClose	function(event)		A callback fired when the dropdown menu closes.
onSelect	function(eventKey, event)		A callback fired when a menu item is selected.
rootCloseEvent	One of: 'click' 'mousedown'		Which event when fired outside the component will cause it to be closed.

DropdownSubMenu

Name	Type	Default	Description
active	boolean	false	Highlight the menu item as active.
disabled	boolean	false	Disable the menu item, making it unselectable.
eventKey	any		Value passed to the onSelect handler, useful for identifying the selected menu item.
open	boolean	false	Whether or not the dropdown submenu is visible.
title	node		Title content.
href	string		HTML href attribute corresponding to a.href.
onClick	function(event)		Callback fired when the menu item is clicked.
onSelect	function(eventKey, event)		Callback fired when the menu item is selected.

MenuItem

Name	Type	Default	Description
active	boolean	false	Highlight the menu item as active.
disabled	boolean	false	Disable the menu item, making it unselectable.
divider	boolean	false	Style the menu item as a horizontal rule, providing visual separation between groups of menu items.
eventKey	any		Value passed to the onSelect handler, useful for identifying the selected menu item.
header	boolean	false	Style the menu item as a header label, useful for describing a group of menu items.
href	string		HTML href attribute corresponding to a.href.
onClick	function(event)		Callback fired when the menu item is clicked.
onSelect	function(eventKey, event)		Callback fired when the menu item is selected.

DropdownButton

Name	Type	Default	Description
componentClass	element	ButtonGroup	A custom element for this component.
dropup	boolean	false	The menu will open above the dropdown button, instead of below it.
disabled	boolean	false	Whether or not component is disabled.
pullRight	boolean	false	Align the menu to the right side of the dropdown toggle.
open	boolean	false	Whether or not the dropdown is visible.
onClose	function(event)		A callback fired when the dropdown closes.
onToggle	function(boolean)		A callback fired when the dropdown wishes to change visibility. Called with the requested open value.
onSelect	function(eventKey, event)		A callback fired when a menu item is selected.
role	string		If 'menuitem', causes the dropdown to behave like a menu item rather than a menu button.
rootCloseEvent	One of: 'click' 'mousedown'		Which event when fired outside the component will cause it to be closed.
btnSize	One of: 'lg' 'md' 'sm' 'xs'	'md'
btnStyle	One of: 'default' 'primary' 'emphasis' 'flat' 'link'	'flat'
title	node		Title content.
noCaret	boolean	false	Whether to prevent a caret from being rendered next to the title.

License

MIT