/*
  This file is part of KOrganizer.

  Copyright (c) 2001,2003 Cornelius Schumacher <schumacher@kde.org>
  Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.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.

  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 General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

  As a special exception, permission is given to link this program
  with any edition of Qt, and distribute the resulting executable,
  without including the source code for Qt in the source distribution.
*/
#ifndef KOEVENTEDITOR_H
#define KOEVENTEDITOR_H

#include "koincidenceeditor.h"

#include <KCal/Event>
using namespace KCal;

class KOEditorFreeBusy;
class KOEditorGeneralEvent;
class KOEditorRecurrence;
class KOEditorRecurrenceDialog;

/**
  This class provides a dialog for editing an event.
*/
class KOEventEditor : public KOIncidenceEditor
{
  Q_OBJECT
  public:
    /**
      Construct new event editor.
    */
    KOEventEditor( Calendar *calendar, QWidget *parent );
    virtual ~KOEventEditor();

    void init();
    /** This event has been modified externally */
    void modified();
    void reload();

    /**
      Clear event win for new event
    */
    void newEvent();

    /**
      Sets the given summary and description. If description is empty and the
      summary contains multiple lines, the summary will be used as description
      and only the first line of summary will be used as the summary.
    */
    void setTexts( const QString &summary,
                   const QString &description = QString(),
                   bool richDescription = false );

    /**
      Edit an existing event.
    */
    void editIncidence( Incidence *incidence, const QDate &date, Calendar *calendar );

    /**
      Set widgets to the given date/time values
    */
    void setDates( const QDateTime &from, const QDateTime &to, bool allDay );

    /**
      Read event object and setup widgets accordingly. If tmpl is true, the
      event is read as template, i.e. the time and date information isn't set.

      @param event the event from which the data should be used.
      @param date the active date.
      @param tmpl If true, the event is treated as a template, so the currently
      set time is preserved in the editor dialog.
    */
    void readEvent( Event *event, const QDate &date, bool tmpl = false );

    /**
      Write event settings to event object
    */
    void fillEvent( Event * );

    QObject *typeAheadReceiver() const;

    void selectInvitationCounterProposal( bool enable );

  signals:
    void focusReceivedSignal();

  public slots:
    void show();

  protected slots:
    void loadDefaults();
    void deleteEvent();

    void slotSaveTemplate( const QString & );
    void updateRecurrenceSummary();

  protected:
    QString type() { return "Event"; }
    void setupGeneral();
    void setupRecurrence();
    void setupFreeBusy();

    /** Check if the input is valid. */
    bool validateInput();
    /** Process user input and create or update event. Returns false if input
     * is not valid */
    bool processInput();
    void processCancel();
    void loadTemplate( CalendarLocal & );
    QStringList &templates() const;
    bool incidenceModified();

  private:
    Event *mEvent;

    // Event which represents the initial dialog setup when creating a new event.
    // If cancel is pressed and the dialog has different information than
    // this event then the user will be asked if he really wants to cancel
    Event mInitialEvent;

    Calendar *mCalendar;

    KOEditorGeneralEvent *mGeneral;
    KOEditorRecurrenceDialog *mRecurrenceDialog;
    KOEditorRecurrence *mRecurrence;
    KOEditorFreeBusy *mFreeBusy;
};

#endif
