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@angular/material

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/** * @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 { FocusMonitor } from '@angular/cdk/a11y'; import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy, OnInit, QueryList, InjectionToken } from '@angular/core'; import { ControlValueAccessor } from '@angular/forms'; import { CanDisableRipple, CanDisableRippleCtor } from '@angular/material/core'; /** Acceptable types for a button toggle. */ export declare type ToggleType = 'checkbox' | 'radio'; /** Possible appearance styles for the button toggle. */ export declare type MatButtonToggleAppearance = 'legacy' | 'standard'; /** * Represents the default options for the button toggle that can be configured * using the `MAT_BUTTON_TOGGLE_DEFAULT_OPTIONS` injection token. */ export interface MatButtonToggleDefaultOptions { appearance?: MatButtonToggleAppearance; } /** * Injection token that can be used to configure the * default options for all button toggles within an app. */ export declare const MAT_BUTTON_TOGGLE_DEFAULT_OPTIONS: InjectionToken<MatButtonToggleDefaultOptions>; /** * Provider Expression that allows mat-button-toggle-group to register as a ControlValueAccessor. * This allows it to support [(ngModel)]. * @docs-private */ export declare const MAT_BUTTON_TOGGLE_GROUP_VALUE_ACCESSOR: any; /** * @deprecated Use `MatButtonToggleGroup` instead. * @breaking-change 8.0.0 */ export declare class MatButtonToggleGroupMultiple { } /** Change event object emitted by MatButtonToggle. */ export declare class MatButtonToggleChange { /** The MatButtonToggle that emits the event. */ source: MatButtonToggle; /** The value assigned to the MatButtonToggle. */ value: any; constructor( /** The MatButtonToggle that emits the event. */ source: MatButtonToggle, /** The value assigned to the MatButtonToggle. */ value: any); } /** Exclusive selection button toggle group that behaves like a radio-button group. */ export declare class MatButtonToggleGroup implements ControlValueAccessor, OnInit, AfterContentInit { private _changeDetector; private _vertical; private _multiple; private _disabled; private _selectionModel; /** * Reference to the raw value that the consumer tried to assign. The real * value will exclude any values from this one that don't correspond to a * toggle. Useful for the cases where the value is assigned before the toggles * have been initialized or at the same that they're being swapped out. */ private _rawValue; /** * The method to be called in order to update ngModel. * Now `ngModel` binding is not supported in multiple selection mode. */ _controlValueAccessorChangeFn: (value: any) => void; /** onTouch function registered via registerOnTouch (ControlValueAccessor). */ _onTouched: () => any; /** Child button toggle buttons. */ _buttonToggles: QueryList<MatButtonToggle>; /** The appearance for all the buttons in the group. */ appearance: MatButtonToggleAppearance; /** `name` attribute for the underlying `input` element. */ name: string; private _name; /** Whether the toggle group is vertical. */ vertical: boolean; /** Value of the toggle group. */ value: any; /** * Event that emits whenever the value of the group changes. * Used to facilitate two-way data binding. * @docs-private */ readonly valueChange: EventEmitter<any>; /** Selected button toggles in the group. */ readonly selected: MatButtonToggle | MatButtonToggle[]; /** Whether multiple button toggles can be selected. */ multiple: boolean; /** Whether multiple button toggle group is disabled. */ disabled: boolean; /** Event emitted when the group's value changes. */ readonly change: EventEmitter<MatButtonToggleChange>; constructor(_changeDetector: ChangeDetectorRef, defaultOptions?: MatButtonToggleDefaultOptions); ngOnInit(): void; ngAfterContentInit(): void; /** * Sets the model value. Implemented as part of ControlValueAccessor. * @param value Value to be set to the model. */ writeValue(value: any): void; registerOnChange(fn: (value: any) => void): void; registerOnTouched(fn: any): void; setDisabledState(isDisabled: boolean): void; /** Dispatch change event with current selection and group value. */ _emitChangeEvent(): void; /** * Syncs a button toggle's selected state with the model value. * @param toggle Toggle to be synced. * @param select Whether the toggle should be selected. * @param isUserInput Whether the change was a result of a user interaction. * @param deferEvents Whether to defer emitting the change events. */ _syncButtonToggle(toggle: MatButtonToggle, select: boolean, isUserInput?: boolean, deferEvents?: boolean): void; /** Checks whether a button toggle is selected. */ _isSelected(toggle: MatButtonToggle): boolean; /** Determines whether a button toggle should be checked on init. */ _isPrechecked(toggle: MatButtonToggle): boolean; /** Updates the selection state of the toggles in the group based on a value. */ private _setSelectionByValue; /** Clears the selected toggles. */ private _clearSelection; /** Selects a value if there's a toggle that corresponds to it. */ private _selectValue; /** Syncs up the group's value with the model and emits the change event. */ private _updateModelValue; } /** @docs-private */ declare class MatButtonToggleBase { } declare const _MatButtonToggleMixinBase: CanDisableRippleCtor & typeof MatButtonToggleBase; /** Single button inside of a toggle group. */ export declare class MatButtonToggle extends _MatButtonToggleMixinBase implements OnInit, CanDisableRipple, OnDestroy { private _changeDetectorRef; private _elementRef; private _focusMonitor; private _isSingleSelector; private _checked; /** * Attached to the aria-label attribute of the host element. In most cases, aria-labelledby will * take precedence so this may be omitted. */ ariaLabel: string; /** * Users can specify the `aria-labelledby` attribute which will be forwarded to the input element */ ariaLabelledby: string | null; /** Type of the button toggle. Either 'radio' or 'checkbox'. */ _type: ToggleType; _buttonElement: ElementRef<HTMLButtonElement>; /** The parent button toggle group (exclusive selection). Optional. */ buttonToggleGroup: MatButtonToggleGroup; /** Unique ID for the underlying `button` element. */ readonly buttonId: string; /** The unique ID for this button toggle. */ id: string; /** HTML's 'name' attribute used to group radios for unique selection. */ name: string; /** MatButtonToggleGroup reads this to assign its own value. */ value: any; /** Tabindex for the toggle. */ tabIndex: number | null; /** The appearance style of the button. */ appearance: MatButtonToggleAppearance; private _appearance; /** Whether the button is checked. */ checked: boolean; /** Whether the button is disabled. */ disabled: boolean; private _disabled; /** Event emitted when the group value changes. */ readonly change: EventEmitter<MatButtonToggleChange>; constructor(toggleGroup: MatButtonToggleGroup, _changeDetectorRef: ChangeDetectorRef, _elementRef: ElementRef<HTMLElement>, _focusMonitor: FocusMonitor, defaultTabIndex: string, defaultOptions?: MatButtonToggleDefaultOptions); ngOnInit(): void; ngOnDestroy(): void; /** Focuses the button. */ focus(options?: FocusOptions): void; /** Checks the button toggle due to an interaction with the underlying native button. */ _onButtonClick(): void; /** * Marks the button toggle as needing checking for change detection. * This method is exposed because the parent button toggle group will directly * update bound properties of the radio button. */ _markForCheck(): void; } export {};