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admin-image.directive.ts
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admin-image.directive.ts
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import { Location } from '@angular/common';
import { Directive, OnChanges, Input, Renderer2, ElementRef } from '@angular/core';
import { Md5 } from 'ts-md5';
import { AdminImageConfig } from './admin-image.config';
@Directive({
selector: '[appAdminImage]',
})
export class AdminImageDirective implements OnChanges {
/**
* @param {string} image
*
* source of the image;
* - in the case of user (gr)avatar it's the e-mail address,
* - in the case of project logo it's the image url
*/
@Input() image: string;
/**
* @param {string} type
*
* type of image; you can use it with
* - project
* - user
*/
@Input() type: string;
/**
* image source
*/
source: string;
/**
* in case of an error
*/
onError: string = AdminImageConfig.defaultNotFound;
constructor(
private _renderer: Renderer2,
private _ele: ElementRef
) {}
ngOnChanges() {
this.source = this.image;
switch (this.type) {
case 'user':
this.onError = AdminImageConfig.defaultUser;
if (this.image === null || this.image === undefined) {
this.source = AdminImageConfig.defaultUser;
} else {
// TODO
// eslint-disable-next-line no-restricted-globals
this.source = `${location.protocol}//www.gravatar.com/avatar/${Md5.hashStr(this.image)}?d=mp&s=256`;
}
break;
case 'project':
this.onError = AdminImageConfig.defaultProject;
if (this.image === null || this.image === undefined) {
this.source = AdminImageConfig.defaultProject;
}
break;
default:
this.source = this.image;
}
this._renderer.setAttribute(this._ele.nativeElement, 'src', this.source);
this._renderer.setAttribute(this._ele.nativeElement, 'onError', `this.src='${this.onError}'`);
}
}