82 lines
3.4 KiB
TypeScript
82 lines
3.4 KiB
TypeScript
// (C) Copyright 2015 Martin Dougiamas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Directive, Input, OnInit, ElementRef } from '@angular/core';
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import { CoreCourseProvider } from '../providers/course';
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import { CoreCourseHelperProvider } from '../providers/helper';
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import { CoreDomUtilsProvider } from '@providers/utils/dom';
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/**
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* Directive to allow downloading and open the main file of a module.
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* When the item with this directive is clicked, the module will be downloaded (if needed) and opened.
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* This is meant for modules like mod_resource.
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*
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* This directive must receive either a module or a moduleId. If no files are provided, it will use module.contents.
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*/
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@Directive({
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selector: '[core-course-download-module-main-file]'
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})
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export class CoreCourseDownloadModuleMainFileDirective implements OnInit {
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@Input() module: any; // The module.
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@Input() moduleId: string | number; // The module ID. Required if module is not supplied.
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@Input() courseId: string | number; // The course ID.
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@Input() component?: string; // Component to link the file to.
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@Input() componentId?: string | number; // Component ID to use in conjunction with the component. If not defined, use moduleId.
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@Input() files?: any[]; // List of files of the module. If not provided, use module.contents.
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protected element: HTMLElement;
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constructor(element: ElementRef, protected domUtils: CoreDomUtilsProvider, protected courseHelper: CoreCourseHelperProvider,
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protected courseProvider: CoreCourseProvider) {
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this.element = element.nativeElement || element;
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}
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/**
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* Component being initialized.
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*/
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ngOnInit(): void {
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this.element.addEventListener('click', (ev: Event): void => {
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if (!this.module && !this.moduleId) {
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return;
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}
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ev.preventDefault();
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ev.stopPropagation();
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const modal = this.domUtils.showModalLoading(),
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courseId = typeof this.courseId == 'string' ? parseInt(this.courseId, 10) : this.courseId;
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let promise;
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if (this.module) {
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// We already have the module.
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promise = Promise.resolve(this.module);
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} else {
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// Try to get the module from cache.
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this.moduleId = typeof this.moduleId == 'string' ? parseInt(this.moduleId, 10) : this.moduleId;
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promise = this.courseProvider.getModule(this.moduleId, courseId);
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}
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promise.then((module) => {
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const componentId = this.componentId || module.id;
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return this.courseHelper.downloadModuleAndOpenFile(module, courseId, this.component, componentId, this.files);
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}).catch((error) => {
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this.domUtils.showErrorModalDefault(error, 'core.errordownloading', true);
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}).finally(() => {
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modal.dismiss();
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});
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});
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}
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}
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