/******************************************************************************
 *
 * package:     Log4Qt
 * file:        signalappender.h
 * created:     March 2010
 * author:      Filonenko Michael
 *
 *
 * Copyright 2010 Filonenko Michael
 *
 * 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 SIGNALAPPENDER_H
#define SIGNALAPPENDER_H

#include "appenderskeleton.h"

#include "loggingevent.h"

namespace Log4Qt {

	/*!
	\ingroup log4qt
	Класс генерирующий сигнал при полчении какого-либо лог-сообщения. Удобно использовать для GUI интерфейса.
	\note не объявлен в простанстве имен log4qt вроде из-за отстуствия у moc (Qt metaobject compiler) средств для обработки пространств имен.
* @class SignalAppender signalappender.h "src/kernel/components/signalappender.h"
*/
	class  LOG4QT_EXPORT SignalAppender : public AppenderSkeleton
	{
		Q_OBJECT
	public:
		explicit SignalAppender(QObject *parent = 0);

		bool requiresLayout() const;

	protected:
		virtual void append(const Log4Qt::LoggingEvent &rEvent);

#ifndef QT_NO_DEBUG_STREAM
		/*!
		 * Writes all object member variables to the given debug stream
		 * \a rDebug and returns the stream.
		 *
		 * The member function is used by
		 * QDebug operator<<(QDebug debug, const LogObject &rLogObject) to
		 * generate class specific output.
		 *
		 * \sa QDebug operator<<(QDebug debug, const LogObject &rLogObject)
		 */
		virtual QDebug debug(QDebug &rDebug) const;

		// Needs to be friend to access internal data
		friend QDebug operator<<(QDebug debug,
														 const LogObject &rLogObject);
#endif // QT_NO_DEBUG_STREAM

	signals:
		/*!
		Генерируется во время получения лог-сообщения.
	* @param message
	*/
		void appended(const QString& message);
	public slots:

	};

	inline bool SignalAppender::requiresLayout() const
	{   return true;    }

} // namespace Log4Qt

#endif // SIGNALAPPENDER_H