ngx-slice-kit
Version:
[](https://badge.fury.io/js/ngx-slice-kit)
95 lines • 12.3 kB
JavaScript
import { Inject, Injectable, PLATFORM_ID } from '@angular/core';
import { fromEvent, Subject } from 'rxjs';
import { DOCUMENT, isPlatformServer } from '@angular/common';
import { OverlayComponent } from './overlay.component';
import * as i0 from "@angular/core";
const LOWER_INDEX = 100;
export class OverlayService {
constructor(document, platformId, injector, appRef, cfResolver) {
this.document = document;
this.platformId = platformId;
this.injector = injector;
this.appRef = appRef;
this.cfResolver = cfResolver;
this.currentId = LOWER_INDEX;
this.refs = [];
}
/**
* showOverlay runs overlay with specified component
* @param options
* overlay.model, optional
*/
createOverlay(options = {}) {
if (isPlatformServer(this.platformId)) {
return;
}
const overlay = this.document.createElement('sdk-overlay');
const factory = this.cfResolver.resolveComponentFactory(OverlayComponent);
const overlayRef = factory.create(this.injector, [], overlay);
this.currentId++;
options.index = this.currentId;
overlayRef.instance.options = options;
this.refs.push(overlayRef);
if (options.hideOnEscape) {
this.escapeListener();
}
this.appRef.attachView(overlayRef.hostView);
this.document.body.appendChild(overlay);
const result = new Subject();
overlayRef.instance.resultEvent.subscribe((res) => {
result.next(res);
result.complete();
this.refs.pop();
if (this.refs.length === 0) {
if (this.escapeSub) {
this.escapeSub.unsubscribe();
}
}
this.currentId--;
this.document.body.removeChild(overlay);
this.appRef.detachView(overlayRef.hostView);
});
return result.asObservable();
}
escapeListener() {
if (this.escapeSub && !this.escapeSub.closed) {
return;
}
this.escapeSub = fromEvent(document, 'keyup').subscribe((ev) => {
ev.stopPropagation();
ev.preventDefault();
if (ev.code === 'Escape' || ev.key === 'Escape') {
this.onResultKey(null);
}
else if (ev.code === 'Enter' || ev.key === 'Enter') {
// this.onResultKey(true);
}
else if (ev.code === 'Space' || ev.key === 'Space') {
// this.onResultKey();
}
});
}
onResultKey(emitValue) {
if (this.refs && this.refs.length) {
const dialog = this.refs[this.refs.length - 1];
if (dialog.instance.hideOnEscape) {
dialog.instance.closed.emit(emitValue);
}
}
}
}
OverlayService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.0.3", ngImport: i0, type: OverlayService, deps: [{ token: DOCUMENT }, { token: PLATFORM_ID }, { token: i0.Injector }, { token: i0.ApplicationRef }, { token: i0.ComponentFactoryResolver }], target: i0.ɵɵFactoryTarget.Injectable });
OverlayService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.0.3", ngImport: i0, type: OverlayService, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.0.3", ngImport: i0, type: OverlayService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root'
}]
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }, { type: undefined, decorators: [{
type: Inject,
args: [PLATFORM_ID]
}] }, { type: i0.Injector }, { type: i0.ApplicationRef }, { type: i0.ComponentFactoryResolver }]; } });
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{ ApplicationRef, ComponentFactoryResolver, Inject, Injectable, Injector, PLATFORM_ID } from '@angular/core';\nimport { fromEvent, Observable, Subject, Subscription } from 'rxjs';\nimport { DOCUMENT, isPlatformServer } from '@angular/common';\nimport { OverlayComponent } from './overlay.component';\nimport { OverlayOptions } from './overlay.model';\n\nconst LOWER_INDEX = 100;\n\n@Injectable({\n    providedIn: 'root'\n})\nexport class OverlayService {\n\n    private currentId = LOWER_INDEX;\n    private refs: any = [];\n    public escapeSub: Subscription;\n\n    constructor(\n        @Inject(DOCUMENT) private document: any,\n        @Inject(PLATFORM_ID) private platformId: any,\n        private injector: Injector,\n        private appRef: ApplicationRef,\n        private cfResolver: ComponentFactoryResolver,\n    ) {\n    }\n\n    /**\n     * showOverlay runs overlay with specified component\n     * @param options\n     * overlay.model, optional\n     */\n    public createOverlay(options: OverlayOptions = {}): Observable<any> {\n        if (isPlatformServer(this.platformId)) {\n            return;\n        }\n\n        const overlay = this.document.createElement('sdk-overlay');\n\n        const factory = this.cfResolver.resolveComponentFactory(OverlayComponent);\n        const overlayRef = factory.create(this.injector, [], overlay);\n\n        this.currentId++;\n\n        options.index = this.currentId;\n        overlayRef.instance.options = options;\n        this.refs.push(overlayRef);\n\n        if (options.hideOnEscape) {\n            this.escapeListener();\n        }\n\n        this.appRef.attachView(overlayRef.hostView);\n\n        this.document.body.appendChild(overlay);\n\n        const result = new Subject();\n        overlayRef.instance.resultEvent.subscribe((res: any) => {\n            result.next(res);\n            result.complete();\n            this.refs.pop();\n            if (this.refs.length === 0) {\n                if (this.escapeSub) {\n                    this.escapeSub.unsubscribe();\n                }\n            }\n            this.currentId--;\n            this.document.body.removeChild(overlay);\n            this.appRef.detachView(overlayRef.hostView);\n        });\n\n        return result.asObservable();\n    }\n\n    private escapeListener(): void {\n        if (this.escapeSub && !this.escapeSub.closed) {\n            return;\n        }\n\n        this.escapeSub = fromEvent(document, 'keyup').subscribe((ev: KeyboardEvent) => {\n            ev.stopPropagation();\n            ev.preventDefault();\n            if (ev.code === 'Escape' || ev.key === 'Escape') {\n                this.onResultKey(null);\n            } else if (ev.code === 'Enter' || ev.key === 'Enter') {\n                // this.onResultKey(true);\n            } else if (ev.code === 'Space' || ev.key === 'Space') {\n                // this.onResultKey();\n            }\n        });\n    }\n\n    private onResultKey(emitValue?: any): void {\n        if (this.refs && this.refs.length) {\n            const dialog = this.refs[this.refs.length - 1];\n            if (dialog.instance.hideOnEscape) {\n                dialog.instance.closed.emit(emitValue);\n            }\n        }\n    }\n}\n"]}