/*
 *
 * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
 * one or more contributor license agreements (see COPYRIGHT for details).
 * The CA licenses this file to you under the GNU Affero General Public
 * License version 3, (the "License"); you may not use this file except in
 * compliance with the License. This file is part of kune.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package cc.kune.common.client.notify;

import cc.kune.common.client.msgs.CloseCallback;
import cc.kune.common.client.msgs.UserMessage;
import cc.kune.common.client.msgs.UserMessagesPanel;
import cc.kune.common.client.msgs.UserMessagesPresenter;
import cc.kune.common.client.ui.PopupBottomPanel;

import com.google.gwt.event.dom.client.ClickHandler;
import com.google.web.bindery.event.shared.EventBus;
import com.google.gwt.user.client.DOM;
import com.google.inject.Inject;

// TODO: Auto-generated Javadoc
/**
 * The Class UserNotifierPopup.
 *
 * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
 */
public class UserNotifierPopup {
  
  /** The msgs. */
  private final UserMessagesPresenter msgs;
  
  /** The popup. */
  private final PopupBottomPanel popup;

  /**
   * Instantiates a new user notifier popup.
   *
   * @param eventBus the event bus
   * @param msgs the msgs
   * @param panel the panel
   */
  @Inject
  public UserNotifierPopup(final EventBus eventBus, final UserMessagesPresenter msgs,
      final UserMessagesPanel panel) {
    this.msgs = msgs;
    msgs.init(panel);
    panel.setWidth("370px");
    popup = new PopupBottomPanel(false, false);
    popup.add(panel);
    popup.show();
    eventBus.addHandler(UserNotifyEvent.getType(), new UserNotifyEvent.UserNotifyHandler() {

      @Override
      public void onUserNotify(final UserNotifyEvent event) {
        if (event.getLevel() != NotifyLevel.log) {
          UserNotifierPopup.this.notify(event);
        }
      }
    });
  }

  /**
   * Notify.
   *
   * @param event the event
   */
  private void notify(final UserNotifyEvent event) {
    final UserMessage msg = msgs.add(event.getLevel(), event.getTitle(), event.getMessage(),
        event.getId(), event.getCloseable(), new CloseCallback() {
          @Override
          public void onClose() {
            popup.setCenterPosition();
          }
        });
    final ClickHandler clickHandler = event.getClickHandler();
    if (clickHandler != null) {
      msg.addClickHandler(clickHandler);
    }
    event.setCloser(new UserNotifyEvent.UserNotifyCloser() {
      @Override
      public void close() {
        if (msg.isAttached()) {
          msg.close();
        }
      }
    });
    popup.setCenterPosition();
    DOM.setStyleAttribute(popup.getElement(), "zIndex", "100000");
  }

}