Dropdown
A dropdown list.
When To Use#
If there are too many operations to display, you can wrap them in a Dropdown
. By clicking/hovering on the trigger, a dropdown menu should appear, which allows you to choose one option and execute relevant actions.
import { NzDropDownModule } from 'ng-zorro-antd/dropdown';
Examples
API#
[nz-dropdown]#
Property | Description | Type | Default |
---|---|---|---|
[nzDropdownMenu] | Dropdown menu | NzDropdownMenuComponent | - |
[nzDisabled] | whether the dropdown menu is disabled | boolean | - |
[nzPlacement] | placement of pop menu | 'bottomLeft' | 'bottomCenter' | 'bottomRight' | 'topLeft' | 'topCenter' | 'topRight' | 'bottomLeft' |
[nzTrigger] | the trigger mode which executes the drop-down action | 'click' | 'hover' | 'hover' |
[nzClickHide] | whether hide menu when click | boolean | true |
[nzVisible] | whether the dropdown menu is visible, double binding | boolean | - |
[nzOverlayClassName] | Class name of the dropdown root element | string | - |
[nzOverlayStyle] | Style of the dropdown root element | object | - |
(nzVisibleChange) | a callback function takes an argument: nzVisible , is executed when the visible state is changed | EventEmitter<boolean> | - |
You should use nz-menu in nz-dropdown
. The menu items and dividers are also available by using nz-menu-item
and nz-menu-divider
.
Note:
[nz-menu]
ofnz-dropdown
is unselectable by default, you can make it selectable via<ul nz-menu nzSelectable>
.The
nzMode
of[nz-menu]
insidenz-dropdown-menu
can only be the default valuevertical
.
nz-dropdown-menu#
Wrap Dropdown Menu and pass to [nz-dropdown]
and NzContextMenuService
, you can export it via Template Syntax nzDropdownMenu
Note:Every
[nz-dropdown]
should pass independentnz-dropdown-menu
.
<a nz-dropdown [nzDropdownMenu]="menu">Hover me</a>
<nz-dropdown-menu #menu="nzDropdownMenu">
<ul nz-menu>
<li nz-menu-item>1st menu item</li>
<li nz-menu-item>2nd menu item</li>
<li nz-menu-item>3rd menu item</li>
</ul>
</nz-dropdown-menu>
NzContextMenuService#
Create dropdown with contextmenu, the detail can be found in the example above
Property | Description | Arguments | Return Value |
---|---|---|---|
create | create dropdown | ($event:MouseEvent | {x:number, y:number}, menu:NzDropdownMenuComponent) | EmbeddedViewRef<any> |
close | close dropdown | - | - |