/***************************************************************************
                          wutdialog.h  -  K Desktop Planetarium
                             -------------------
    begin                : Die Feb 25 2003
    copyright            : (C) 2003 by Thomas Kabelmann
    email                : tk78@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef WUTDIALOG_H_
#define WUTDIALOG_H_

#include <QFrame>
#include <kdialog.h>
#include "kstarsdatetime.h"
#include "kstarsdata.h"
#include "ui_wutdialog.h"

#define NCATEGORY 8

class GeoLocation;
class SkyObject;

class WUTDialogUI : public QFrame, public Ui::WUTDialog {
    Q_OBJECT
public:
    WUTDialogUI( QWidget *p=0 );
};

/**@class WUTDialog
    *What's up tonight dialog is a window which lists all skyobjects that will
    *be visible during the next night.
    *@author Thomas Kabelmann
    *@version 1.0
    */
class WUTDialog : public KDialog  {
    Q_OBJECT
public:
    /**@short Constructor*/
    WUTDialog( QWidget *ks,
               bool session = false,
               GeoLocation *geo  = KStarsData::Instance()->geo(),
               KStarsDateTime lt = KStarsData::Instance()->lt() );
    /**@short Destructor*/
    ~WUTDialog();

    /**@short Check visibility of object
        *@p o the object to check
        *@return true if visible
        */
    bool checkVisibility(SkyObject *o);

public slots:
    /**@short Determine which objects are visible, and store them in
        *an array of lists, classified by object type 
        */
    void init();

private slots:
    /**@short Load the list of visible objects for selected object type.
        *@p category the string describing the type of object
        */
    void slotLoadList(const QString &category);

    /**@short display the rise/transit/set times for selected object
        */
    void slotDisplayObject(const QString &name);

    /**@short Apply user's choice of what part of the night should
        *be examined:
        *@li 0: Evening only (sunset to midnight)
        *@li 1: Morning only (midnight to sunrise)
        *@li 2: All night (sunset to sunrise)
        */
    void slotEveningMorning( int flag );

    /**@short Adjust the date for the WUT tool
        *@note this does NOT affect the date of the sky map 
        */
    void slotChangeDate();

    /**@short Adjust the geographic location for the WUT tool
        *@note this does NOT affect the geographic location for the sky map
        */
    void slotChangeLocation();

    /**@short open the detail dialog for the current object
        */
    void slotDetails();

    /**@short center the display on the current object
        */
    void slotCenter();

    /**@short Add the object to the observing list
        */
    void slotObslist();

    /**@short Filters the objects displayed by Magnitude
        */
    void slotChangeMagnitude();

    void updateMag();

private:
    QList<SkyObject*>& visibleObjects( const QString &category );
    bool isCategoryInitialized( const QString &category );
    /**@short Initialize all SIGNAL/SLOT connections, used in constructor */
    void makeConnections();
    /**@short Initialize catgory list, used in constructor */
    void initCategories();

    WUTDialogUI *WUT;
    bool session;

    QTime sunRiseTomorrow, sunSetToday, sunRiseToday, moonRise, moonSet;
    KStarsDateTime T0, UT0, Tomorrow, TomorrowUT, Evening, EveningUT;

    GeoLocation *geo;
    int EveningFlag;
    double m_Mag;
    QTimer *timer;

    QStringList m_Categories;
    QHash< QString, QList< SkyObject* > > m_VisibleList;
    QHash< QString, bool > m_CategoryInitialized;

};

#endif
