@coreui/angular
Version:
CoreUI Components Library for Angular
204 lines • 28.3 kB
JavaScript
import { DOCUMENT } from '@angular/common';
import { computed, DestroyRef, Directive, effect, inject, input, model } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { debounceTime, filter, finalize } from 'rxjs/operators';
import { createPopper } from '@popperjs/core';
import { IntersectionService, ListenersService } from '../services';
import { TooltipComponent } from './tooltip/tooltip.component';
import * as i0 from "@angular/core";
import * as i1 from "../services";
export class TooltipDirective {
get ariaDescribedBy() {
return this.tooltipId ? this.tooltipId : null;
}
#destroyRef;
#document;
constructor(renderer, hostElement, viewContainerRef, listenersService, changeDetectorRef, intersectionService) {
this.renderer = renderer;
this.hostElement = hostElement;
this.viewContainerRef = viewContainerRef;
this.listenersService = listenersService;
this.changeDetectorRef = changeDetectorRef;
this.intersectionService = intersectionService;
/**
* Content of tooltip
* @type {string | TemplateRef}
*/
this.content = input(undefined, { alias: 'cTooltip' });
this.contentEffect = effect(() => {
if (this.content()) {
this.destroyTooltipElement();
}
});
/**
* Optional popper Options object, takes precedence over cPopoverPlacement prop
* @type Partial<Options>
*/
this.popperOptions = input({}, { alias: 'cTooltipOptions' });
this.popperOptionsEffect = effect(() => {
this._popperOptions = {
...this._popperOptions,
placement: this.placement(),
...this.popperOptions()
};
});
this.popperOptionsComputed = computed(() => {
return { placement: this.placement(), ...this._popperOptions };
});
/**
* Describes the placement of your component after Popper.js has applied all the modifiers that may have flipped or altered the originally provided placement property.
* @type: 'top' | 'bottom' | 'left' | 'right'
* @default: 'top'
*/
this.placement = input('top', { alias: 'cTooltipPlacement' });
/**
* ElementRefDirective for positioning the tooltip on reference element
* @type: ElementRefDirective
* @default: undefined
*/
this.reference = input(undefined, { alias: 'cTooltipRef' });
this.referenceRef = computed(() => this.reference()?.elementRef ?? this.hostElement);
/**
* Sets which event handlers you’d like provided to your toggle prop. You can specify one trigger or an array of them.
* @type: 'Triggers | Triggers[]
*/
this.trigger = input('hover', { alias: 'cTooltipTrigger' });
/**
* Toggle the visibility of tooltip component.
* @type boolean
*/
this.visible = model(false, { alias: 'cTooltipVisible' });
this.visibleEffect = effect(() => {
this.visible() ? this.addTooltipElement() : this.removeTooltipElement();
});
this._popperOptions = {
modifiers: [
{
name: 'offset',
options: {
offset: [0, 5]
}
}
]
};
this.#destroyRef = inject(DestroyRef);
this.#document = inject(DOCUMENT);
}
ngAfterViewInit() {
this.intersectionServiceSubscribe();
}
ngOnDestroy() {
this.clearListeners();
this.destroyTooltipElement();
}
ngOnInit() {
this.setListeners();
}
setListeners() {
const config = {
hostElement: this.hostElement,
trigger: this.trigger(),
callbackToggle: () => {
this.visible.set(!this.visible());
},
callbackOff: () => {
this.visible.set(false);
},
callbackOn: () => {
this.visible.set(true);
}
};
this.listenersService.setListeners(config);
}
clearListeners() {
this.listenersService.clearListeners();
}
intersectionServiceSubscribe() {
this.intersectionService.createIntersectionObserver(this.referenceRef());
this.intersectionService.intersecting$
.pipe(filter((next) => next.hostElement === this.referenceRef()), debounceTime(100), finalize(() => {
this.intersectionService.unobserve(this.referenceRef());
}), takeUntilDestroyed(this.#destroyRef))
.subscribe((next) => {
this.visible.set(next.isIntersecting ? this.visible() : false);
});
}
getUID(prefix) {
let uid = prefix ?? 'random-id';
do {
uid = `${prefix}-${Math.floor(Math.random() * 1000000).toString(10)}`;
} while (this.#document.getElementById(uid));
return uid;
}
createTooltipElement() {
if (!this.tooltipRef) {
this.tooltipRef = this.viewContainerRef.createComponent(TooltipComponent);
// this.viewContainerRef.detach();
}
}
destroyTooltipElement() {
this.tooltip?.remove();
this.tooltipRef?.destroy();
// @ts-ignore
this.tooltipRef = undefined;
this.popperInstance?.destroy();
this.viewContainerRef?.detach();
this.viewContainerRef?.clear();
}
addTooltipElement() {
if (!this.content()) {
this.destroyTooltipElement();
return;
}
if (!this.tooltipRef) {
this.createTooltipElement();
}
this.tooltipRef?.setInput('content', this.content() ?? '');
this.tooltip = this.tooltipRef?.location.nativeElement;
this.renderer.addClass(this.tooltip, 'd-none');
this.renderer.addClass(this.tooltip, 'fade');
this.popperInstance?.destroy();
this.viewContainerRef.insert(this.tooltipRef.hostView);
this.renderer.appendChild(this.#document.body, this.tooltip);
this.popperInstance = createPopper(this.referenceRef().nativeElement, this.tooltip, {
...this.popperOptionsComputed()
});
if (!this.visible()) {
this.removeTooltipElement();
return;
}
setTimeout(() => {
this.tooltipId = this.getUID('tooltip');
this.tooltipRef?.setInput('id', this.tooltipId);
this.renderer.removeClass(this.tooltip, 'd-none');
this.tooltipRef?.setInput('visible', this.visible());
this.popperInstance?.forceUpdate();
this.changeDetectorRef?.markForCheck();
}, 100);
}
removeTooltipElement() {
this.tooltipId = '';
if (!this.tooltipRef) {
return;
}
this.tooltipRef.setInput('visible', false);
this.tooltipRef.setInput('id', undefined);
this.changeDetectorRef.markForCheck();
setTimeout(() => {
this.viewContainerRef?.detach();
}, 300);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: TooltipDirective, deps: [{ token: i0.Renderer2 }, { token: i0.ElementRef }, { token: i0.ViewContainerRef }, { token: i1.ListenersService }, { token: i0.ChangeDetectorRef }, { token: i1.IntersectionService }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "17.1.0", version: "18.2.12", type: TooltipDirective, isStandalone: true, selector: "[cTooltip]", inputs: { content: { classPropertyName: "content", publicName: "cTooltip", isSignal: true, isRequired: false, transformFunction: null }, popperOptions: { classPropertyName: "popperOptions", publicName: "cTooltipOptions", isSignal: true, isRequired: false, transformFunction: null }, placement: { classPropertyName: "placement", publicName: "cTooltipPlacement", isSignal: true, isRequired: false, transformFunction: null }, reference: { classPropertyName: "reference", publicName: "cTooltipRef", isSignal: true, isRequired: false, transformFunction: null }, trigger: { classPropertyName: "trigger", publicName: "cTooltipTrigger", isSignal: true, isRequired: false, transformFunction: null }, visible: { classPropertyName: "visible", publicName: "cTooltipVisible", isSignal: true, isRequired: false, transformFunction: null } }, outputs: { visible: "cTooltipVisibleChange" }, host: { properties: { "attr.aria-describedby": "ariaDescribedBy" } }, providers: [ListenersService, IntersectionService], exportAs: ["cTooltip"], ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: TooltipDirective, decorators: [{
type: Directive,
args: [{
selector: '[cTooltip]',
exportAs: 'cTooltip',
providers: [ListenersService, IntersectionService],
standalone: true,
host: { '[attr.aria-describedby]': 'ariaDescribedBy' }
}]
}], ctorParameters: () => [{ type: i0.Renderer2 }, { type: i0.ElementRef }, { type: i0.ViewContainerRef }, { type: i1.ListenersService }, { type: i0.ChangeDetectorRef }, { type: i1.IntersectionService }] });
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{ DOCUMENT } from '@angular/common';\nimport {\n  AfterViewInit,\n  ChangeDetectorRef,\n  ComponentRef,\n  computed,\n  DestroyRef,\n  Directive,\n  effect,\n  ElementRef,\n  inject,\n  input,\n  model,\n  OnDestroy,\n  OnInit,\n  Renderer2,\n  TemplateRef,\n  ViewContainerRef\n} from '@angular/core';\nimport { takeUntilDestroyed } from '@angular/core/rxjs-interop';\nimport { debounceTime, filter, finalize } from 'rxjs/operators';\nimport { createPopper, Instance, Options } from '@popperjs/core';\n\nimport { Triggers } from '../coreui.types';\nimport { IListenersConfig, IntersectionService, ListenersService } from '../services';\nimport { ElementRefDirective } from '../shared';\nimport { TooltipComponent } from './tooltip/tooltip.component';\n\n@Directive({\n  selector: '[cTooltip]',\n  exportAs: 'cTooltip',\n  providers: [ListenersService, IntersectionService],\n  standalone: true,\n  host: { '[attr.aria-describedby]': 'ariaDescribedBy' }\n})\nexport class TooltipDirective implements OnDestroy, OnInit, AfterViewInit {\n  /**\n   * Content of tooltip\n   * @type {string | TemplateRef}\n   */\n  readonly content = input<string | TemplateRef<any> | undefined>(undefined, { alias: 'cTooltip' });\n\n  contentEffect = effect(() => {\n    if (this.content()) {\n      this.destroyTooltipElement();\n    }\n  });\n\n  /**\n   * Optional popper Options object, takes precedence over cPopoverPlacement prop\n   * @type Partial<Options>\n   */\n  readonly popperOptions = input<Partial<Options>>({}, { alias: 'cTooltipOptions' });\n\n  popperOptionsEffect = effect(() => {\n    this._popperOptions = {\n      ...this._popperOptions,\n      placement: this.placement(),\n      ...this.popperOptions()\n    };\n  });\n\n  popperOptionsComputed = computed(() => {\n    return { placement: this.placement(), ...this._popperOptions };\n  });\n\n  /**\n   * Describes the placement of your component after Popper.js has applied all the modifiers that may have flipped or altered the originally provided placement property.\n   * @type: 'top' | 'bottom' | 'left' | 'right'\n   * @default: 'top'\n   */\n  readonly placement = input<'top' | 'bottom' | 'left' | 'right'>('top', { alias: 'cTooltipPlacement' });\n\n  /**\n   * ElementRefDirective for positioning the tooltip on reference element\n   * @type: ElementRefDirective\n   * @default: undefined\n   */\n  readonly reference = input<ElementRefDirective | undefined>(undefined, { alias: 'cTooltipRef' });\n\n  readonly referenceRef = computed(() => this.reference()?.elementRef ?? this.hostElement);\n\n  /**\n   * Sets which event handlers you’d like provided to your toggle prop. You can specify one trigger or an array of them.\n   * @type: 'Triggers | Triggers[]\n   */\n  readonly trigger = input<Triggers | Triggers[]>('hover', { alias: 'cTooltipTrigger' });\n\n  /**\n   * Toggle the visibility of tooltip component.\n   * @type boolean\n   */\n  readonly visible = model(false, { alias: 'cTooltipVisible' });\n\n  visibleEffect = effect(() => {\n    this.visible() ? this.addTooltipElement() : this.removeTooltipElement();\n  });\n\n  get ariaDescribedBy(): string | null {\n    return this.tooltipId ? this.tooltipId : null;\n  }\n\n  private tooltip!: HTMLDivElement;\n  private tooltipId!: string;\n  private tooltipRef!: ComponentRef<TooltipComponent>;\n  private popperInstance!: Instance;\n\n  private _popperOptions: Partial<Options> = {\n    modifiers: [\n      {\n        name: 'offset',\n        options: {\n          offset: [0, 5]\n        }\n      }\n    ]\n  };\n\n  readonly #destroyRef = inject(DestroyRef);\n  readonly #document = inject(DOCUMENT);\n\n  constructor(\n    private renderer: Renderer2,\n    private hostElement: ElementRef,\n    private viewContainerRef: ViewContainerRef,\n    private listenersService: ListenersService,\n    private changeDetectorRef: ChangeDetectorRef,\n    private intersectionService: IntersectionService\n  ) {}\n\n  ngAfterViewInit(): void {\n    this.intersectionServiceSubscribe();\n  }\n\n  ngOnDestroy(): void {\n    this.clearListeners();\n    this.destroyTooltipElement();\n  }\n\n  ngOnInit(): void {\n    this.setListeners();\n  }\n\n  private setListeners(): void {\n    const config: IListenersConfig = {\n      hostElement: this.hostElement,\n      trigger: this.trigger(),\n      callbackToggle: () => {\n        this.visible.set(!this.visible());\n      },\n      callbackOff: () => {\n        this.visible.set(false);\n      },\n      callbackOn: () => {\n        this.visible.set(true);\n      }\n    };\n    this.listenersService.setListeners(config);\n  }\n\n  private clearListeners(): void {\n    this.listenersService.clearListeners();\n  }\n\n  private intersectionServiceSubscribe(): void {\n    this.intersectionService.createIntersectionObserver(this.referenceRef());\n    this.intersectionService.intersecting$\n      .pipe(\n        filter((next) => next.hostElement === this.referenceRef()),\n        debounceTime(100),\n        finalize(() => {\n          this.intersectionService.unobserve(this.referenceRef());\n        }),\n        takeUntilDestroyed(this.#destroyRef)\n      )\n      .subscribe((next) => {\n        this.visible.set(next.isIntersecting ? this.visible() : false);\n      });\n  }\n\n  private getUID(prefix: string): string {\n    let uid = prefix ?? 'random-id';\n    do {\n      uid = `${prefix}-${Math.floor(Math.random() * 1000000).toString(10)}`;\n    } while (this.#document.getElementById(uid));\n\n    return uid;\n  }\n\n  private createTooltipElement(): void {\n    if (!this.tooltipRef) {\n      this.tooltipRef = this.viewContainerRef.createComponent<TooltipComponent>(TooltipComponent);\n      // this.viewContainerRef.detach();\n    }\n  }\n\n  private destroyTooltipElement(): void {\n    this.tooltip?.remove();\n    this.tooltipRef?.destroy();\n    // @ts-ignore\n    this.tooltipRef = undefined;\n    this.popperInstance?.destroy();\n    this.viewContainerRef?.detach();\n    this.viewContainerRef?.clear();\n  }\n\n  private addTooltipElement(): void {\n    if (!this.content()) {\n      this.destroyTooltipElement();\n      return;\n    }\n\n    if (!this.tooltipRef) {\n      this.createTooltipElement();\n    }\n\n    this.tooltipRef?.setInput('content', this.content() ?? '');\n\n    this.tooltip = this.tooltipRef?.location.nativeElement;\n    this.renderer.addClass(this.tooltip, 'd-none');\n    this.renderer.addClass(this.tooltip, 'fade');\n\n    this.popperInstance?.destroy();\n\n    this.viewContainerRef.insert(this.tooltipRef.hostView);\n    this.renderer.appendChild(this.#document.body, this.tooltip);\n\n    this.popperInstance = createPopper(this.referenceRef().nativeElement, this.tooltip, {\n      ...this.popperOptionsComputed()\n    });\n\n    if (!this.visible()) {\n      this.removeTooltipElement();\n      return;\n    }\n    setTimeout(() => {\n      this.tooltipId = this.getUID('tooltip');\n      this.tooltipRef?.setInput('id', this.tooltipId);\n      this.renderer.removeClass(this.tooltip, 'd-none');\n      this.tooltipRef?.setInput('visible', this.visible());\n      this.popperInstance?.forceUpdate();\n      this.changeDetectorRef?.markForCheck();\n    }, 100);\n  }\n\n  private removeTooltipElement(): void {\n    this.tooltipId = '';\n    if (!this.tooltipRef) {\n      return;\n    }\n    this.tooltipRef.setInput('visible', false);\n    this.tooltipRef.setInput('id', undefined);\n    this.changeDetectorRef.markForCheck();\n    setTimeout(() => {\n      this.viewContainerRef?.detach();\n    }, 300);\n  }\n}\n"]}