@coreui/angular
Version:
CoreUI Components Library for Angular
93 lines • 14.3 kB
JavaScript
import { FocusKeyManager } from '@angular/cdk/a11y';
import { Component, computed, contentChildren, DestroyRef, effect, HostListener, inject, input, untracked } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { tap } from 'rxjs/operators';
import { TabDirective } from '../tab/tab.directive';
import { TabsService } from '../tabs.service';
import * as i0 from "@angular/core";
export class TabsListComponent {
constructor() {
this.#destroyRef = inject(DestroyRef);
this.tabsService = inject(TabsService);
/**
* Specify a layout type for component.
* @type 'fill' | 'justified' | undefined
* @default undefined
*/
this.layout = input();
/**
* Set the variant to tabs, pills or underline.
* @type 'pills' | 'tabs' | 'underline' | 'underline-border' | undefined
* @default undefined
*/
this.variant = input();
/**
* Set the role to tab list.
* @default 'tablist'
*/
this.role = input('tablist');
this.hostClasses = computed(() => ({
nav: true,
[`nav-${this.layout()}`]: this.layout(),
[`nav-${this.variant()}`]: this.variant()
}));
this.tabs = contentChildren(TabDirective);
this.tabsEffect = effect(() => {
if (this.tabs().length === 0) {
return;
}
this.#focusKeyManager = new FocusKeyManager(this.tabs())
.skipPredicate((tab) => tab.disabled === true)
.withHorizontalOrientation('ltr')
.withHomeAndEnd()
.withWrap();
this.#focusKeyManager.change
.pipe(tap((value) => {
this.tabsService.activeItemKey.set(this.#focusKeyManager.activeItem?.itemKey());
this.tabsService.activeItem.set(this.#focusKeyManager.activeItem);
}), takeUntilDestroyed(this.#destroyRef))
.subscribe();
const activeItem = this.tabs().find((tab) => untracked(tab.isActive)) ?? this.tabs().find((tab) => !tab.disabled);
const activeItemIndex = this.tabs().findIndex((tab) => tab === activeItem);
this.#focusKeyManager?.updateActiveItem(activeItemIndex < 0 ? 0 : activeItemIndex);
this.tabsService.activeItemKey.set(this.#focusKeyManager.activeItem?.itemKey());
this.tabsService.activeItem.set(this.#focusKeyManager.activeItem);
}, { allowSignalWrites: true });
this.tabsServiceEffect = effect(() => {
const activeItemIndex = this.tabs().findIndex((tab) => untracked(tab.isActive) && untracked(tab.itemKey) === this.tabsService.activeItemKey());
this.#focusKeyManager?.updateActiveItem(activeItemIndex < 0 ? 0 : activeItemIndex);
}, { allowSignalWrites: true });
}
#destroyRef;
#focusKeyManager;
onKeydown($event) {
if (['ArrowLeft', 'ArrowRight'].includes($event.key)) {
this.#focusKeyManager.onKeydown($event);
return;
}
if (['Tab'].includes($event.key)) {
this.#focusKeyManager?.tabOut.next();
}
return;
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: TabsListComponent, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.2.0", version: "18.2.12", type: TabsListComponent, isStandalone: true, selector: "c-tabs-list", inputs: { layout: { classPropertyName: "layout", publicName: "layout", isSignal: true, isRequired: false, transformFunction: null }, variant: { classPropertyName: "variant", publicName: "variant", isSignal: true, isRequired: false, transformFunction: null }, role: { classPropertyName: "role", publicName: "role", isSignal: true, isRequired: false, transformFunction: null } }, host: { listeners: { "keydown": "onKeydown($event)" }, properties: { "attr.role": "role()", "class": "hostClasses()" } }, queries: [{ propertyName: "tabs", predicate: TabDirective, isSignal: true }], exportAs: ["cTabsList"], ngImport: i0, template: '<ng-content />', isInline: true }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: TabsListComponent, decorators: [{
type: Component,
args: [{
exportAs: 'cTabsList',
selector: 'c-tabs-list',
standalone: true,
imports: [],
template: '<ng-content />',
host: {
'[attr.role]': 'role()',
'[class]': 'hostClasses()'
}
}]
}], propDecorators: { onKeydown: [{
type: HostListener,
args: ['keydown', ['$event']]
}] } });
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{ FocusKeyManager } from '@angular/cdk/a11y';\nimport {\n  Component,\n  computed,\n  contentChildren,\n  DestroyRef,\n  effect,\n  HostListener,\n  inject,\n  input,\n  InputSignal,\n  untracked\n} from '@angular/core';\nimport { takeUntilDestroyed } from '@angular/core/rxjs-interop';\nimport { tap } from 'rxjs/operators';\nimport { TabDirective } from '../tab/tab.directive';\nimport { TabsService } from '../tabs.service';\n\n@Component({\n  exportAs: 'cTabsList',\n  selector: 'c-tabs-list',\n  standalone: true,\n  imports: [],\n  template: '<ng-content />',\n  host: {\n    '[attr.role]': 'role()',\n    '[class]': 'hostClasses()'\n  }\n})\nexport class TabsListComponent {\n  readonly #destroyRef = inject(DestroyRef);\n  readonly tabsService = inject(TabsService);\n\n  /**\n   * Specify a layout type for component.\n   * @type 'fill' | 'justified' | undefined\n   * @default undefined\n   */\n  readonly layout: InputSignal<'fill' | 'justified' | undefined> = input();\n\n  /**\n   * Set the variant to tabs, pills or underline.\n   * @type 'pills' | 'tabs' | 'underline' | 'underline-border' | undefined\n   * @default undefined\n   */\n  readonly variant: InputSignal<'pills' | 'tabs' | 'underline' | 'underline-border' | undefined> = input();\n\n  /**\n   * Set the role to tab list.\n   * @default 'tablist'\n   */\n  readonly role = input('tablist');\n\n  readonly hostClasses = computed(() => ({\n    nav: true,\n    [`nav-${this.layout()}`]: this.layout(),\n    [`nav-${this.variant()}`]: this.variant()\n  }));\n\n  readonly tabs = contentChildren(TabDirective);\n  #focusKeyManager!: FocusKeyManager<TabDirective>;\n\n  readonly tabsEffect = effect(\n    () => {\n      if (this.tabs().length === 0) {\n        return;\n      }\n      this.#focusKeyManager = new FocusKeyManager(this.tabs())\n        .skipPredicate((tab) => tab.disabled === true)\n        .withHorizontalOrientation('ltr')\n        .withHomeAndEnd()\n        .withWrap();\n\n      this.#focusKeyManager.change\n        .pipe(\n          tap((value) => {\n            this.tabsService.activeItemKey.set(this.#focusKeyManager.activeItem?.itemKey());\n            this.tabsService.activeItem.set(this.#focusKeyManager.activeItem);\n          }),\n          takeUntilDestroyed(this.#destroyRef)\n        )\n        .subscribe();\n\n      const activeItem = this.tabs().find((tab) => untracked(tab.isActive)) ?? this.tabs().find((tab) => !tab.disabled);\n      const activeItemIndex = this.tabs().findIndex((tab) => tab === activeItem);\n      this.#focusKeyManager?.updateActiveItem(activeItemIndex < 0 ? 0 : activeItemIndex);\n      this.tabsService.activeItemKey.set(this.#focusKeyManager.activeItem?.itemKey());\n      this.tabsService.activeItem.set(this.#focusKeyManager.activeItem);\n    },\n    { allowSignalWrites: true }\n  );\n\n  tabsServiceEffect = effect(\n    () => {\n      const activeItemIndex = this.tabs().findIndex(\n        (tab) => untracked(tab.isActive) && untracked(tab.itemKey) === this.tabsService.activeItemKey()\n      );\n      this.#focusKeyManager?.updateActiveItem(activeItemIndex < 0 ? 0 : activeItemIndex);\n    },\n    { allowSignalWrites: true }\n  );\n\n  @HostListener('keydown', ['$event'])\n  onKeydown($event: any) {\n    if (['ArrowLeft', 'ArrowRight'].includes($event.key)) {\n      this.#focusKeyManager.onKeydown($event);\n      return;\n    }\n    if (['Tab'].includes($event.key)) {\n      this.#focusKeyManager?.tabOut.next();\n    }\n    return;\n  }\n}\n"]}