@yoyoboot/l-52abp-ng/esm2015/global-loading/loading.service.js

This library was generated with [Angular CLI](https://github.com/angular/angular-cli) version 9.1.13.

import { OverlayConfig } from '@angular/cdk/overlay';
import { ComponentPortal } from '@angular/cdk/portal';
import { Injectable } from '@angular/core';
import { OverlayComponent } from './overlay/overlay.component';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/overlay";
export class LoadingService {
    constructor(overlay) {
        this.overlay = overlay;
        this.showLoading = false;
    }
    /** 显示加载效果 */
    show(message = '', target) {
        if (!this.showLoading) {
            const config = new OverlayConfig();
            if (target) {
                config.positionStrategy = this.overlay
                    .position()
                    .flexibleConnectedTo(target.element)
                    .withPositions([
                    {
                        originY: 'center',
                        originX: 'center',
                        overlayX: 'start',
                        overlayY: 'top'
                    }
                ]);
            }
            else {
                config.positionStrategy = this.overlay
                    .position()
                    .global()
                    .centerHorizontally() // 水平居中
                    .centerVertically();
            }
            config.hasBackdrop = true;
            this.overlayRef = this.overlay.create(config); // OverlayRef, overlay层
            this.overlayRef.attach(new ComponentPortal(OverlayComponent, target));
            this.showLoading = true;
        }
    }
    /** 隐藏 */
    hide() {
        if (this.showLoading) {
            this.overlayRef.dispose();
            this.showLoading = false;
        }
    }
    static include(componentType) {
        if (!LoadingService.appliedComponents.includes(componentType)) {
            LoadingService.appliedComponents.push(componentType);
        }
    }
}
LoadingService.appliedComponents = [];
LoadingService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.2.13", ngImport: i0, type: LoadingService, deps: [{ token: i1.Overlay }], target: i0.ɵɵFactoryTarget.Injectable });
LoadingService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "12.2.13", ngImport: i0, type: LoadingService, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.2.13", ngImport: i0, type: LoadingService, decorators: [{
            type: Injectable,
            args: [{
                    providedIn: 'root'
                }]
        }], ctorParameters: function () { return [{ type: i1.Overlay }]; } });
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