| 38 | imports: [MatIconButton], |
| 39 | }) |
| 40 | export class MatTimepickerToggle<D> { |
| 41 | private _defaultConfig = inject(MAT_TIMEPICKER_CONFIG, {optional: true}); |
| 42 | private _defaultTabIndex = (() => { |
| 43 | const value = inject(new HostAttributeToken('tabindex'), {optional: true}); |
| 44 | const parsed = Number(value); |
| 45 | return isNaN(parsed) ? null : parsed; |
| 46 | })(); |
| 47 | |
| 48 | protected _isDisabled = computed(() => { |
| 49 | const timepicker = this.timepicker(); |
| 50 | return this.disabled() || timepicker.disabled(); |
| 51 | }); |
| 52 | |
| 53 | /** Timepicker instance that the button will toggle. */ |
| 54 | readonly timepicker: InputSignal<MatTimepicker<D>> = input.required<MatTimepicker<D>>({ |
| 55 | alias: 'for', |
| 56 | }); |
| 57 | |
| 58 | /** Screen-reader label for the button. */ |
| 59 | readonly ariaLabel = input<string | undefined>(undefined, { |
| 60 | alias: 'aria-label', |
| 61 | }); |
| 62 | |
| 63 | /** Screen-reader labelled by id for the button. */ |
| 64 | readonly ariaLabelledby = input<string | undefined>(undefined, { |
| 65 | alias: 'aria-labelledby', |
| 66 | }); |
| 67 | |
| 68 | /** Default aria-label for the toggle if none is provided. */ |
| 69 | private readonly _defaultAriaLabel = 'Open timepicker options'; |
| 70 | |
| 71 | /** Whether the toggle button is disabled. */ |
| 72 | readonly disabled: InputSignalWithTransform<boolean, unknown> = input(false, { |
| 73 | transform: booleanAttribute, |
| 74 | alias: 'disabled', |
| 75 | }); |
| 76 | |
| 77 | /** Tabindex for the toggle. */ |
| 78 | readonly tabIndex: InputSignal<number | null> = input(this._defaultTabIndex); |
| 79 | |
| 80 | /** Whether ripples on the toggle should be disabled. */ |
| 81 | readonly disableRipple: InputSignalWithTransform<boolean, unknown> = input( |
| 82 | this._defaultConfig?.disableRipple ?? false, |
| 83 | {transform: booleanAttribute}, |
| 84 | ); |
| 85 | |
| 86 | /** Opens the connected timepicker. */ |
| 87 | protected _open(event: Event): void { |
| 88 | if (this.timepicker() && !this._isDisabled()) { |
| 89 | this.timepicker().open(); |
| 90 | event.stopPropagation(); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Checks for ariaLabelledby and if empty uses custom |
| 96 | * aria-label or defaultAriaLabel if neither is provided. |
| 97 | */ |