src/core/qgsmessageoutput.h

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/***************************************************************************
    qgsmessageoutput.h  -  interface for showing messages
    ----------------------
    begin                : April 2006
    copyright            : (C) 2006 by Martin Dobias
    email                : wonder.sk at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
/* $Id$ */


#ifndef QGSMESSAGEOUTPUT_H
#define QGSMESSAGEOUTPUT_H

#include <QString>
#include <QObject>

class QgsMessageOutput;
typedef QgsMessageOutput*( *MESSAGE_OUTPUT_CREATOR )();


class CORE_EXPORT QgsMessageOutput
{
  public:

    enum MessageType { MessageText, MessageHtml };

    virtual ~QgsMessageOutput();

    virtual void setMessage( const QString& message, MessageType msgType ) = 0;

    virtual void appendMessage( const QString& message ) = 0;

    virtual void setTitle( const QString& title ) = 0;

    virtual void showMessage( bool blocking = true ) = 0;

    static void setMessageOutputCreator( MESSAGE_OUTPUT_CREATOR f );

    static QgsMessageOutput* createMessageOutput();

  private:

    static MESSAGE_OUTPUT_CREATOR mMessageOutputCreator;
};


class CORE_EXPORT QgsMessageOutputConsole : public QObject, public QgsMessageOutput
{
    Q_OBJECT

  public:

    QgsMessageOutputConsole();

    virtual void setMessage( const QString& message, MessageType msgType );

    virtual void appendMessage( const QString& message );

    virtual void setTitle( const QString& title );

    virtual void showMessage( bool blocking = true );

  signals:

    void destroyed();

  private:

    QString mMessage;

    QString mTitle;

};

#endif