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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 53x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 557x 557x 1x 1x 14257x 14257x 1x 1x 13623x 13623x 1x 1x 1x 1x 13623x 13623x 13623x 11340x 2283x 2283x 13623x 13623x 1x 1x 13623x 13623x 13623x 1x 1x 13623x 13623x 13623x 1x 1x 1x 1x 534x 534x 534x 1x 1x 1x 53x 46x 53x 53x 53x 53x 1x 1x 1x 53x 46x 53x 53x 1x 1x 1x 17x 17x 1x 1x 557x 557x 546x 11x 11x 11x 11x 557x 557x 557x 557x 557x 1x 1x 13673x 13139x 534x 534x 13673x 13673x 1x 1x 116x 116x 1x 1x 35x 35x 1x 1x 70x 70x 70x 70x 70x 1x | import { Directive, ElementRef, HostBinding, HostListener, Input, } from '@angular/core'; import { BaseIndexedItem } from '../utils/internal-utils'; import { Key } from '../utils/util.types'; import { ListBoxDirective } from './listbox.directive'; @Directive({ selector: '[data-gc-listbox-item]', standalone: false, }) export class ListBoxItemDirective { @Input('data-gc-listbox-item') public item!: BaseIndexedItem; @HostBinding('attr.id') public itemId?: string; @HostBinding('attr.role') public readonly role = 'option'; // Does not work on JAWS // some roles where this is used currently handle aria-selected manually, check usages of the directive before (re-)enabling this in the future // @HostBinding('attr.aria-selected') // get ariaSelected(): boolean { // return this.selected; // } @HostBinding('attr.aria-posinset') public ariaPosInSet = 1; @HostBinding('attr.aria-setsize') public ariaSetSize = 1; get index(): number { return this.item.index; } get key(): Key | symbol { return this.item.key; } get selected(): boolean { return this._listbox ? this._listbox.isKeySelected(this.key) : false; } get label(): string { return this.item.label; } @HostBinding('attr.tabindex') public get tabindex(): number | null { // a tabindex of -1 allows the node to get the native focus if (this._listbox?.focusMode == 'native') { return -1; } else { return null; } } @HostBinding('class.gc-selected') get classSelected(): boolean { return this.selected; } @HostBinding('class.gc-focused') get classFocused(): boolean { return this.isFocused(); } private _listbox?: ListBoxDirective; constructor( private el: ElementRef<HTMLElement>, /*Fails in storybook hence done in MenuDirective private menu: MenuDirective<T>*/ ) {} @HostListener('click', ['$event']) _handleMenuItemClicked(event: MouseEvent): void { if (this._listbox?.focusMode === 'virtual') { this.focus(); } this._listbox?.selectItem(this.item.key, 'space'); event.preventDefault(); } @HostListener('mousedown', ['$event']) _handleMenuItemMouseDown(event: MouseEvent): void { if (this._listbox?.focusMode === 'virtual') { event.preventDefault(); } } @HostListener('keydown', ['$event']) _handleMenuItemKeyDown(event: KeyboardEvent): void { this._listbox?.handleKeyDown(event); } updateItem(listbox: ListBoxDirective, index: number, size: number): void { this._listbox = listbox; if (typeof this.key === 'string') { this.itemId = `${listbox.listboxId ?? ''}_k_${this.key}`; } else { this.itemId = `${listbox.listboxId ?? ''}_s_${ this.key.description ?? String(this.key) }`; } this.ariaPosInSet = this.index + 1; this.ariaSetSize = size; } isFocused(): boolean { if (this._listbox) { return this._listbox.isFocused(this); } else { return false; } } focus(): void { this._listbox?.focusItem(this); } focusNative(): void { this.el.nativeElement.focus(); } scrollIntoView(): void { this.el.nativeElement.scrollIntoView({ block: 'nearest', inline: 'nearest', }); } } |