84 lines
2.5 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 { Component } from '@angular/core';
import { FormBuilder } from '@angular/forms';
import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';
import { CoreFileSessionProvider } from '@providers/file-session';
import { AddonModDataProvider } from '../../../providers/data';
/**
* Component to render data file field.
*/
@Component({
selector: 'addon-mod-data-field-file',
templateUrl: 'addon-mod-data-field-file.html'
})
export class AddonModDataFieldFileComponent extends AddonModDataFieldPluginComponent {
files = [];
component: string;
componentId: number;
maxSizeBytes: number;
constructor(protected fb: FormBuilder, private fileSessionprovider: CoreFileSessionProvider) {
super(fb);
}
/**
* Get the files from the input value.
*
* @param {any} value Input value.
* @return {any} List of files.
*/
protected getFiles(value: any): any {
let files = (value && value.files) || [];
// Reduce to first element.
if (files.length > 0) {
files = [files[0]];
}
return files;
}
/**
* Initialize field.
*/
protected init(): void {
if (this.mode != 'search') {
this.component = AddonModDataProvider.COMPONENT;
this.componentId = this.database.coursemodule;
this.updateValue(this.value);
if (this.mode == 'edit') {
this.maxSizeBytes = parseInt(this.field.param3, 10);
this.fileSessionprovider.setFiles(this.component, this.database.id + '_' + this.field.id, this.files);
}
} else {
this.addControl('f_' + this.field.id);
}
}
/**
* Update value being shown.
*
* @param {any} value New value to be set.
*/
protected updateValue(value: any): void {
this.value = value;
this.files = this.getFiles(value);
}
}