@ux-aspects/ux-aspects
Version:
Open source user interface framework for building modern, responsive, mobile big data applications
124 lines • 21.8 kB
JavaScript
import { animate, state, style, transition, trigger } from '@angular/animations';
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, HostBinding, inject, Input, Renderer2, ViewChildren } from '@angular/core';
import { Subject } from 'rxjs';
import { map, takeUntil, withLatestFrom } from 'rxjs/operators';
import { tick } from '../../common/index';
import { NotificationService } from './notification.service';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
export class NotificationListComponent {
constructor() {
this._notificationService = inject(NotificationService);
this._changeDetectorRef = inject(ChangeDetectorRef);
this._renderer = inject(Renderer2);
/** Sets the position of the list of notifications within the browser window. */
this.position = 'bottom-right';
/** The list of notifications that have not been dismissed */
this.notifications$ = this._notificationService.notifications$.pipe(map(() => this._notifications));
/** Unsubscribe from all subscriptions on component destroy */
this._onDestroy = new Subject();
}
/**
* Sets the order in which notifications are displayed:
`above` - newer notifications will appear above older ones.
`below` - newer notifications will appear below older ones.
*/
set direction(direction) {
this._notificationService.direction = direction;
}
/** Filter out any hidden notifications */
get _notifications() {
return this._notificationService.notifications.filter(notification => notification.visible);
}
ngAfterViewInit() {
// whenever the notifications change we want to recalculate the positions and height
this._elements.changes.pipe(takeUntil(this._onDestroy), tick(), map(changes => changes.toArray()), withLatestFrom(this.notifications$)).subscribe(([elements, notifications]) => {
// Set the `top` style property of each element
this.applyElementPositions(elements, notifications);
this.updateListPosition(elements, notifications);
this._changeDetectorRef.markForCheck();
});
}
ngOnChanges() {
if (this._elements) {
this.updateListPosition(this._elements.toArray(), this._notifications);
}
}
ngOnDestroy() {
this._onDestroy.next();
this._onDestroy.complete();
}
applyElementPositions(elements, notifications) {
let top = 0;
for (let i = 0; i < elements.length; i += 1) {
const element = elements[i].nativeElement;
const notification = notifications[i];
this._renderer.setStyle(element, 'top', `${top}px`);
top = top + this.getNotificationHeightInPixels(notification, elements[i]);
}
}
updateListPosition(elements, notifications) {
if (this.position === 'bottom-left' || this.position === 'bottom-right') {
this._bottom = notifications.reduce((totalHeight, notification, index) => totalHeight + this.getNotificationHeightInPixels(notification, elements[index]), 0);
}
else {
// In a top position, bottom should be unset.
this._bottom = undefined;
}
}
/** Get the height of the notification, including spacing if configured. */
getNotificationHeightInPixels(notification, elementRef) {
if (notification.spacing === undefined) {
return this.getElementOuterHeightInPixels(elementRef);
}
return elementRef.nativeElement.offsetHeight + notification.spacing;
}
/** Get the total height of the element including margins. */
getElementOuterHeightInPixels(elementRef) {
const element = elementRef.nativeElement;
const { marginTop, marginBottom } = getComputedStyle(element);
return element.offsetHeight + parseInt(marginTop) + parseInt(marginBottom);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: NotificationListComponent, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "18.2.12", type: NotificationListComponent, selector: "ux-notification-list", inputs: { direction: "direction", position: "position" }, host: { properties: { "class": "this.position", "style.bottom.px": "this._bottom" } }, viewQueries: [{ propertyName: "_elements", predicate: ["notification"], descendants: true }], usesOnChanges: true, ngImport: i0, template: "@for (notificationRef of notifications$ | async; track notificationRef; let index = $index) {\n <div #notification\n class=\"notification\"\n [style.height.px]=\"notificationRef.height\"\n [style.background-color]=\"notificationRef.backgroundColor\"\n [@notificationState]>\n <!-- Notification Content -->\n <ng-container\n [ngTemplateOutlet]=\"notificationRef.templateRef\"\n [ngTemplateOutletContext]=\"{ $implicit: notificationRef, data: notificationRef.data }\">\n </ng-container>\n </div>\n}\n", dependencies: [{ kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "pipe", type: i1.AsyncPipe, name: "async" }], animations: [
trigger('notificationState', [
state('in', style({ transform: 'translateY(0)', opacity: 0.9 })),
transition(':enter', [
style({ transform: 'translateY(-50px)', opacity: 0 }),
animate(500)
]),
transition(':leave', [
animate(500, style({ transform: 'translateY(50px)', opacity: 0 }))
])
])
], changeDetection: i0.ChangeDetectionStrategy.OnPush }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: NotificationListComponent, decorators: [{
type: Component,
args: [{ selector: 'ux-notification-list', changeDetection: ChangeDetectionStrategy.OnPush, animations: [
trigger('notificationState', [
state('in', style({ transform: 'translateY(0)', opacity: 0.9 })),
transition(':enter', [
style({ transform: 'translateY(-50px)', opacity: 0 }),
animate(500)
]),
transition(':leave', [
animate(500, style({ transform: 'translateY(50px)', opacity: 0 }))
])
])
], template: "@for (notificationRef of notifications$ | async; track notificationRef; let index = $index) {\n <div #notification\n class=\"notification\"\n [style.height.px]=\"notificationRef.height\"\n [style.background-color]=\"notificationRef.backgroundColor\"\n [@notificationState]>\n <!-- Notification Content -->\n <ng-container\n [ngTemplateOutlet]=\"notificationRef.templateRef\"\n [ngTemplateOutletContext]=\"{ $implicit: notificationRef, data: notificationRef.data }\">\n </ng-container>\n </div>\n}\n" }]
}], propDecorators: { direction: [{
type: Input
}], position: [{
type: Input
}, {
type: HostBinding,
args: ['class']
}], _bottom: [{
type: HostBinding,
args: ['style.bottom.px']
}], _elements: [{
type: ViewChildren,
args: ['notification']
}] } });
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{ animate, state, style, transition, trigger } from '@angular/animations';\nimport { AfterViewInit, ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, HostBinding, inject, Input, OnChanges, OnDestroy, QueryList, Renderer2, ViewChildren } from '@angular/core';\nimport { Observable, Subject } from 'rxjs';\nimport { map, takeUntil, withLatestFrom } from 'rxjs/operators';\nimport { tick } from '../../common/index';\nimport { NotificationListDirection, NotificationRef, NotificationService } from './notification.service';\n\n@Component({\n    selector: 'ux-notification-list',\n    templateUrl: './notification-list.component.html',\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    animations: [\n        trigger('notificationState', [\n            state('in', style({ transform: 'translateY(0)', opacity: 0.9 })),\n            transition(':enter', [\n                style({ transform: 'translateY(-50px)', opacity: 0 }),\n                animate(500)\n            ]),\n            transition(':leave', [\n                animate(500, style({ transform: 'translateY(50px)', opacity: 0 }))\n            ])\n        ])\n    ]\n})\nexport class NotificationListComponent implements AfterViewInit, OnChanges, OnDestroy {\n    private readonly _notificationService = inject(NotificationService);\n\n    private readonly _changeDetectorRef = inject(ChangeDetectorRef);\n\n    private readonly _renderer = inject(Renderer2);\n\n    /**\n     *  Sets the order in which notifications are displayed:\n        `above` - newer notifications will appear above older ones.\n        `below` - newer notifications will appear below older ones.\n     */\n    @Input()\n    set direction(direction: NotificationListDirection) {\n        this._notificationService.direction = direction;\n    }\n\n    /** Sets the position of the list of notifications within the browser window. */\n    @Input()\n    @HostBinding('class')\n    position: NotificationListPostion = 'bottom-right';\n\n    /** The list of notifications that have not been dismissed */\n    notifications$: Observable<NotificationRef[]> = this._notificationService.notifications$.pipe(map(() => this._notifications));\n\n    /** Store the bottom position of the notification list */\n    @HostBinding('style.bottom.px')\n    _bottom: number;\n\n    /** Store a list of all element refs */\n    @ViewChildren('notification') _elements: QueryList<ElementRef>;\n\n    /** Filter out any hidden notifications */\n    private get _notifications(): NotificationRef[] {\n        return this._notificationService.notifications.filter(notification => notification.visible);\n    }\n\n    /** Unsubscribe from all subscriptions on component destroy */\n    private readonly _onDestroy = new Subject<void>();\n\n    ngAfterViewInit(): void {\n\n        // whenever the notifications change we want to recalculate the positions and height\n        this._elements.changes.pipe(\n            takeUntil(this._onDestroy),\n            tick(),\n            map(changes => changes.toArray() as ElementRef[]),\n            withLatestFrom(this.notifications$)\n        ).subscribe(([elements, notifications]) => {\n\n            // Set the `top` style property of each element\n            this.applyElementPositions(elements, notifications);\n\n            this.updateListPosition(elements, notifications);\n\n            this._changeDetectorRef.markForCheck();\n        });\n    }\n\n    ngOnChanges(): void {\n        if (this._elements) {\n            this.updateListPosition(this._elements.toArray(), this._notifications);\n        }\n    }\n\n    ngOnDestroy(): void {\n        this._onDestroy.next();\n        this._onDestroy.complete();\n    }\n\n    private applyElementPositions(elements: ElementRef[], notifications: NotificationRef[]): void {\n        let top = 0;\n        for (let i = 0; i < elements.length; i += 1) {\n            const element = elements[i].nativeElement;\n            const notification = notifications[i];\n            this._renderer.setStyle(element, 'top', `${top}px`);\n            top = top + this.getNotificationHeightInPixels(notification, elements[i]);\n        }\n    }\n\n    private updateListPosition(elements: ElementRef[], notifications: NotificationRef[]): void {\n        if (this.position === 'bottom-left' || this.position === 'bottom-right') {\n            this._bottom = notifications.reduce((totalHeight, notification, index) =>\n                totalHeight + this.getNotificationHeightInPixels(notification, elements[index]), 0);\n        } else {\n\n            // In a top position, bottom should be unset.\n            this._bottom = undefined;\n        }\n    }\n\n    /** Get the height of the notification, including spacing if configured. */\n    private getNotificationHeightInPixels(notification: NotificationRef, elementRef: ElementRef): number {\n        if (notification.spacing === undefined) {\n            return this.getElementOuterHeightInPixels(elementRef);\n        }\n\n        return elementRef.nativeElement.offsetHeight + notification.spacing;\n    }\n\n    /** Get the total height of the element including margins. */\n    private getElementOuterHeightInPixels(elementRef: ElementRef): number {\n        const element = elementRef.nativeElement;\n        const { marginTop, marginBottom } = getComputedStyle(element);\n\n        return element.offsetHeight + parseInt(marginTop) + parseInt(marginBottom);\n    }\n}\n\nexport type NotificationListPostion = 'top-left' | 'top-right' | 'bottom-left' | 'bottom-right';\n","@for (notificationRef of notifications$ | async; track notificationRef; let index = $index) {\n  <div #notification\n    class=\"notification\"\n    [style.height.px]=\"notificationRef.height\"\n    [style.background-color]=\"notificationRef.backgroundColor\"\n    [@notificationState]>\n    <!-- Notification Content -->\n    <ng-container\n      [ngTemplateOutlet]=\"notificationRef.templateRef\"\n      [ngTemplateOutletContext]=\"{ $implicit: notificationRef, data: notificationRef.data }\">\n    </ng-container>\n  </div>\n}\n"]}