142 lines
4.4 KiB
TypeScript
142 lines
4.4 KiB
TypeScript
// (C) Copyright 2015 Moodle Pty Ltd.
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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 { AddonModDataEntryField, AddonModDataProvider } from '@addons/mod/data/services/data';
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import { Component } from '@angular/core';
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import { CoreFileEntry, CoreFileHelper } from '@services/file-helper';
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import { CoreFileSession } from '@services/file-session';
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import { CoreDomUtils } from '@services/utils/dom';
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import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';
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/**
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* Component to render data picture field.
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*/
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@Component({
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selector: 'addon-mod-data-field-picture',
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templateUrl: 'addon-mod-data-field-picture.html',
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})
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export class AddonModDataFieldPictureComponent extends AddonModDataFieldPluginComponent {
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files: CoreFileEntry[] = [];
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component?: string;
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componentId?: number;
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maxSizeBytes?: number;
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image?: CoreFileEntry;
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entryId?: number;
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imageUrl?: string;
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title?: string;
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width?: string;
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height?: string;
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/**
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* Get the files from the input value.
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*
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* @param value Input value.
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* @return List of files.
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*/
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protected getFiles(value?: Partial<AddonModDataEntryField>): CoreFileEntry[] {
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let files = value?.files || [];
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// Reduce to first element.
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if (files.length > 0) {
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files = [files[0]];
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}
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return files;
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}
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/**
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* Find file in a list.
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*
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* @param files File list where to search.
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* @param filenameSeek Filename to search.
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* @return File found or false.
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*/
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protected findFile(
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files: CoreFileEntry[],
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filenameSeek: string,
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): CoreFileEntry | undefined {
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return files.find((file) => ('name' in file ? file.name : file.filename) == filenameSeek) || undefined;
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}
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/**
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* @inheritdoc
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*/
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protected init(): void {
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if (this.searchMode) {
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this.addControl('f_' + this.field.id);
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return;
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}
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this.component = AddonModDataProvider.COMPONENT;
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this.componentId = this.database!.coursemodule;
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this.updateValue(this.value);
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if (this.editMode) {
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this.maxSizeBytes = parseInt(this.field.param3, 10);
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CoreFileSession.setFiles(this.component, this.database!.id + '_' + this.field.id, this.files);
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const alttext = (this.value && this.value.content1) || '';
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this.addControl('f_' + this.field.id + '_alttext', alttext);
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}
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}
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/**
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* @inheritdoc
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*/
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protected updateValue(value?: Partial<AddonModDataEntryField>): void {
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// Edit mode, the list shouldn't change so there is no need to watch it.
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const files = value?.files || [];
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// Get image or thumb.
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if (files.length > 0) {
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const filenameSeek = this.listMode
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? 'thumb_' + value?.content
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: value?.content;
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this.image = this.findFile(files, filenameSeek || '');
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if (!this.image && this.listMode) {
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this.image = this.findFile(files, value?.content || '');
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}
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if (this.image) {
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this.files = [this.image];
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}
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} else {
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this.image = undefined;
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this.files = [];
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}
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if (!this.editMode) {
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this.entryId = (value && value.recordid) || undefined;
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this.title = (value && value.content1) || '';
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this.imageUrl = undefined;
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setTimeout(() => {
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if (this.image) {
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this.imageUrl = 'name' in this.image
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? this.image.toURL() // Is Offline.
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: CoreFileHelper.getFileUrl(this.image);
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}
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}, 1);
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this.width = CoreDomUtils.formatPixelsSize(this.field.param1);
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this.height = CoreDomUtils.formatPixelsSize(this.field.param2);
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}
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}
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}
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