Vmeda.Online/src/directives/download-file.ts

59 lines
2.1 KiB
TypeScript

// (C) Copyright 2015 Martin Dougiamas
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Directive, Input, OnInit, ElementRef } from '@angular/core';
import { CoreFileHelperProvider } from '@providers/file-helper';
import { CoreDomUtilsProvider } from '@providers/utils/dom';
/**
* Directive to allow downloading and open a file. When the item with this directive is clicked, the file will be
* downloaded (if needed) and opened.
*/
@Directive({
selector: '[core-download-file]'
})
export class CoreDownloadFileDirective implements OnInit {
@Input('core-download-file') file: any; // The file to download.
@Input() component?: string; // Component to link the file to.
@Input() componentId?: string | number; // Component ID to use in conjunction with the component.
protected element: HTMLElement;
constructor(element: ElementRef, protected domUtils: CoreDomUtilsProvider, protected fileHelper: CoreFileHelperProvider) {
this.element = element.nativeElement || element;
}
/**
* Component being initialized.
*/
ngOnInit(): void {
this.element.addEventListener('click', (ev: Event): void => {
if (!this.file) {
return;
}
ev.preventDefault();
ev.stopPropagation();
const modal = this.domUtils.showModalLoading();
this.fileHelper.downloadAndOpenFile(this.file, this.component, this.componentId).catch((error) => {
this.domUtils.showErrorModalDefault(error, 'core.errordownloading', true);
}).finally(() => {
modal.dismiss();
});
});
}
}