eclipse-scout-core/src/filechooser/FileChooserAdapter.js

/*
 * Copyright (c) 2014-2018 BSI Business Systems Integration AG.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     BSI Business Systems Integration AG - initial API and implementation
 */
import {ModelAdapter} from '../index';

export default class FileChooserAdapter extends ModelAdapter {

  constructor() {
    super();
  }

  _onWidgetCancel(event) {
    // Do not close the file chooser immediately, server will send the close event
    event.preventDefault();

    this._send('cancel');
  }

  _onWidgetEvent(event) {
    if (event.type === 'cancel') {
      this._onWidgetCancel(event);
    } else if (event.type === 'upload') {
      this._onUpload(event);
    } else {
      super._onWidgetEvent(event);
    }
  }

  _onUpload(event) {
    if (this.widget.rendered) {
      this.widget.$uploadButton.setEnabled(false);
    }

    if (this.widget.files.length === 0) {
      return;
    }

    if (this.widget.fileInput.legacy) {
      this.widget.fileInput.upload();
    } else {
      this.session.uploadFiles(this, this.widget.files, undefined, this.widget.maximumUploadSize);
    }

    this.session.listen().done(function() {
      if (this.widget && this.widget.rendered) {
        this.widget.$uploadButton.setEnabled(true);
      }
    }.bind(this));
  }
}