/*=============================================================================

  Library: CTK

  Copyright (c) German Cancer Research Center,
    Division of Medical and Biological Informatics

  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.

=============================================================================*/
#ifndef CTKBUSEVENT_H
#define CTKBUSEVENT_H

#include "org_commontk_eventbus_Export.h"
#include "ctkPluginFrameworkExport.h"
#include <service/event/ctkEvent.h>

#include <QMap>
#include <QVariant>
#include <QStringList>

class ctkBusEventData;

/**
 * A CTK event.
 *
 * <code>ctkEvent</code> objects are delivered to <code>ctkEventHandler</code>
 * or Qt slots which subscribe to the topic of the event.
 */
class org_commontk_eventbus_EXPORT ctkBusEvent : public ctkEvent
{
   QSharedDataPointer<ctkBusEventData> d;
   
public:

  /**
   * Default constructor for use with the Qt meta object system.
   */
  ctkBusEvent();

  ~ctkBusEvent();

  /**
   * Constructs an event.
   *
   * @param topic The topic of the event.
   * @param properties The event's properties (may be empty).
   * @throws ctkInvalidArgumentException If topic is not a valid topic name.
   */
  ctkBusEvent(const QString& topic, const ctkDictionary& properties = ctkDictionary());
  ctkBusEvent(const ctkBusEvent& event);
  ctkBusEvent(QString topic, int event_type, int signature_type, QObject *objectPointer, QString signature);

  ctkBusEvent& operator=(const ctkBusEvent& event);

  /**
   * accessor for eventtype
   *
   * @param et The eventtype can be local(ctkEventTypeLocal) or remote(ctkEventTypeRemote)
   */
  void setEventType(int et);
  int eventType() const;
  bool isEventLocal() const;

  /**
   * accessor for topic
   *
   * @param topic Represents the topic of the message
   */

  void setEventTopic(QString topic);

  QString eventTopic() const;

  /**
   * quick accessor for all the items
   *
   * @param key Represents the key associated to the value
   */
  QVariant &operator[](QString key);
};

#endif // CTKBUSEVENT_H