forked from EVOgeek/Vmeda.Online
139 lines
4.4 KiB
TypeScript
139 lines
4.4 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 { Component } from '@angular/core';
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import { FormBuilder } from '@angular/forms';
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import { CoreFileSessionProvider } from '@providers/file-session';
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import { CoreDomUtilsProvider } from '@providers/utils/dom';
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import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';
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import { AddonModDataProvider } from '../../../providers/data';
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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 = [];
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component: string;
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componentId: number;
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maxSizeBytes: number;
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image: any;
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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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constructor(protected fb: FormBuilder, private fileSessionprovider: CoreFileSessionProvider,
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private domUtils: CoreDomUtilsProvider) {
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super(fb);
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}
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/**
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* Get the files from the input value.
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*
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* @param {any} value Input value.
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* @return {any} List of files.
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*/
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protected getFiles(value: any): any {
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let files = (value && 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 {any[]} files File list where to search.
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* @param {string} filenameSeek Filename to search.
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* @return {any} File found or false.
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*/
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protected findFile(files: any[], filenameSeek: string): any {
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return files.find((file) => file.filename == filenameSeek) || false;
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}
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/**
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* Initialize field.
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*/
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protected init(): void {
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if (this.mode != 'search') {
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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.mode == 'edit') {
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this.maxSizeBytes = parseInt(this.field.param3, 10);
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this.fileSessionprovider.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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} else {
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this.addControl('f_' + this.field.id);
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}
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}
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/**
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* Update value being shown.
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*
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* @param {any} value New value to be set.
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*/
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protected updateValue(value: any): void {
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this.value = value;
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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 && 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.mode == 'list' ? 'thumb_' + value.content : value.content;
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this.image = this.findFile(files, filenameSeek);
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if (!this.image && this.mode == 'list') {
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this.image = this.findFile(files, value.content);
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}
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this.files = [this.image];
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} else {
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this.image = false;
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this.files = [];
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}
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if (this.mode != 'edit') {
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this.entryId = (value && value.recordid) || null;
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this.title = (value && value.content1) || '';
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this.imageUrl = null;
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if (this.image) {
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if (this.image.offline) {
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this.imageUrl = (this.image && this.image.toURL()) || null;
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} else {
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this.imageUrl = (this.image && this.image.fileurl) || null;
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}
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}
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this.width = this.domUtils.formatPixelsSize(this.field.param1);
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this.height = this.domUtils.formatPixelsSize(this.field.param2);
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}
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}
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}
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