/*
    * Copyright 2014 James Pether Sörling
    *
    * 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.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.web.impl.ui.application.views.pageclicklistener;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.vaadin.data.fieldgroup.BeanFieldGroup;
  import com.vaadin.data.fieldgroup.FieldGroup.CommitException;
  import com.vaadin.ui.Button.ClickEvent;
  import com.vaadin.ui.Button.ClickListener;
  import com.vaadin.ui.Notification;
  
  /**
   * The Class CommitFormWrapperClickListener.
   */
  public final class CommitFormWrapperClickListener implements ClickListener {
  
  	/** The Constant FORM_ERROR. */
  	private static final String FORM_ERROR = "Form Error";
  
  	/** The Constant serialVersionUID. */
  	private static final long serialVersionUID = 1L;
  
  	/** The Constant LOGGER. */
  	private static final Logger LOGGER = LoggerFactory.getLogger(CommitFormWrapperClickListener.class);
  
  	/** The field group. */
  	private final BeanFieldGroup<?> fieldGroup;
  
  	/** The button listener. */
  	private final ClickListener buttonListener;
  
  	/**
  	 * Instantiates a new commit form wrapper click listener.
  	 *
  	 * @param fieldGroup
  	 *            the field group
  	 * @param buttonListener
  	 *            the button listener
  	 */
  	public CommitFormWrapperClickListener(final BeanFieldGroup<?> fieldGroup, final ClickListener buttonListener) {
  		this.fieldGroup = fieldGroup;
  		this.buttonListener = buttonListener;
  	}
  
  	@Override
  	public void buttonClick(final ClickEvent event) {
  		try {
  			fieldGroup.commit();
  		} catch (final CommitException e) {
  			Notification.show(FORM_ERROR,
  	                  e.getMessage(),
  	                  Notification.Type.WARNING_MESSAGE);
  			LOGGER.warn(FORM_ERROR,e);
  		}
  		buttonListener.buttonClick(event);
  	}
  }