Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 59x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2180x 2180x 1x 1x 72311x 72311x 1x 1x 70044x 70044x 1x 1x 26x 26x 1x 1x 70044x 70044x 70044x 66327x 3717x 3717x 70044x 70044x 1x 1x 70044x 70044x 70044x 1x 1x 70044x 70044x 70044x 1x 1x 1x 1x 2176x 2176x 2176x 1x 1x 1x 59x 41x 59x 59x 59x 59x 1x 1x 1x 59x 41x 59x 59x 1x 1x 1x 77x 77x 1x 1x 2180x 2180x 2171x 9x 9x 9x 2180x 2180x 2180x 2180x 2180x 2180x 1x 1x 70201x 68025x 70201x 70201x 70201x 70201x 1x 1x 190x 190x 1x 1x 119x 119x 1x 1x 149x 149x 149x 149x 149x 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]',
})
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',
});
}
}
|