You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.4 KiB
35 lines
1.4 KiB
/**
|
|
* @license
|
|
* Copyright Google LLC All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
import { ListKeyManager, ListKeyManagerOption } from './list-key-manager';
|
|
/**
|
|
* This is the interface for highlightable items (used by the ActiveDescendantKeyManager).
|
|
* Each item must know how to style itself as active or inactive and whether or not it is
|
|
* currently disabled.
|
|
*/
|
|
export interface Highlightable extends ListKeyManagerOption {
|
|
/** Applies the styles for an active item to this item. */
|
|
setActiveStyles(): void;
|
|
/** Applies the styles for an inactive item to this item. */
|
|
setInactiveStyles(): void;
|
|
}
|
|
export declare class ActiveDescendantKeyManager<T> extends ListKeyManager<Highlightable & T> {
|
|
/**
|
|
* Sets the active item to the item at the specified index and adds the
|
|
* active styles to the newly active item. Also removes active styles
|
|
* from the previously active item.
|
|
* @param index Index of the item to be set as active.
|
|
*/
|
|
setActiveItem(index: number): void;
|
|
/**
|
|
* Sets the active item to the item to the specified one and adds the
|
|
* active styles to the it. Also removes active styles from the
|
|
* previously active item.
|
|
* @param item Item to be set as active.
|
|
*/
|
|
setActiveItem(item: T): void;
|
|
}
|