InjectCalendarFileController.java

/**
 * <a href="http://www.openolat.org">
 * OpenOLAT - Online Learning and Training</a><br>
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); <br>
 * you may not use this file except in compliance with the License.<br>
 * You may obtain a copy of the License at the
 * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
 * <p>
 * Unless required by applicable law or agreed to in writing,<br>
 * software distributed under the License is distributed on an "AS IS" BASIS, <br>
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
 * See the License for the specific language governing permissions and <br>
 * limitations under the License.
 * <p>
 * Initial code contributed and copyrighted by<br>
 * frentix GmbH, http://www.frentix.com
 * <p>
 */
package org.olat.commons.calendar.ui;

import java.io.InputStream;

import org.olat.commons.calendar.CalendarManager;
import org.olat.commons.calendar.manager.ImportToCalendarManager;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.form.flexible.FormItemContainer;
import org.olat.core.gui.components.form.flexible.elements.FileElement;
import org.olat.core.gui.components.form.flexible.impl.FormBasicController;
import org.olat.core.gui.components.form.flexible.impl.FormLayoutContainer;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.util.Util;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * 
 * Initial date: 26.08.2015<br>
 * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
 *
 */
public class InjectCalendarFileController extends FormBasicController {

	private FileElement importFile;
	private CalendarPersonalConfigurationRow row;

	@Autowired
	private ImportToCalendarManager importToCalendarManager;

	public InjectCalendarFileController(UserRequest ureq, WindowControl wControl, CalendarPersonalConfigurationRow row) {
		super(ureq, wControl);
		this.row = row;
		setTranslator(Util.createPackageTranslator(CalendarManager.class, getLocale(), getTranslator()));
		
		initForm(ureq);
	}

	@Override
	protected void initForm(FormItemContainer formLayout, Controller listener, UserRequest ureq) {
		importFile = uifactory.addFileElement(getWindowControl(), "cal.import.form.prompt", "cal.import.form.prompt", formLayout);

		//standard cancel panel
		FormLayoutContainer buttonGroupLayout = FormLayoutContainer.createButtonLayout("buttonGroupLayout", getTranslator());
		buttonGroupLayout.setRootForm(mainForm);
		formLayout.add("buttonGroupLayout", buttonGroupLayout);
		uifactory.addFormSubmitButton("ok", buttonGroupLayout);
		uifactory.addFormCancelButton("cancel", buttonGroupLayout, ureq, getWindowControl());
	}
	
	@Override
	protected void doDispose() {
		//
	}

	@Override
	protected void formOK(UserRequest ureq) {
		try(InputStream in = importFile.getUploadInputStream()) {
			if(importToCalendarManager.importCalendarIn(row.getWrapper(), in)) {
				showInfo("cal.import.success");
				fireEvent(ureq, Event.DONE_EVENT);
			} else {
				showError("cal.import.form.format.error");
			}
		} catch(Exception e) {
			logError("Cannot upload calendar file", e);
			showError("cal.import.form.format.error");
		}
	}

	@Override
	protected void formCancelled(UserRequest ureq) {
		fireEvent(ureq, Event.CANCELLED_EVENT);
	}
}