/*
    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 TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/
#ifndef KOINCIDENCEEDITOR_H
#define KOINCIDENCEEDITOR_H

#include <kdialogbase.h>
#include <kurl.h>

class TQDate;
class TQDateTime;

namespace KPIM {
class CategorySelectDialog;
class DesignerFields;
class EmbeddedURLPage;
}

namespace KOrg { class IncidenceChangerBase; }

class KOEditorDetails;
class KOAttendeeEditor;

namespace KCal {
  class Calendar;
  class CalendarLocal;
  class Incidence;
  class ResourceCalendar;
}
using namespace KCal;
using namespace KOrg;

/**
  This is the base class for the calendar component editors.
*/
class KOIncidenceEditor : public KDialogBase
{
  Q_OBJECT
  
  public:
    /**
      Construct new IncidenceEditor.
    */
    KOIncidenceEditor( const TQString &caption, Calendar *calendar,
                       TQWidget *parent );
    virtual ~KOIncidenceEditor();

    /** This incidence has been modified externally */
    virtual void modified() {}

    virtual void reload() = 0;

    virtual void setResource( ResourceCalendar *res, const TQString &subRes );
    virtual void selectInvitationCounterProposal( bool enable );
    virtual void selectCreateTask( bool enable );

    /**
      This should be called when editing only one occurrence of a recurring incidence,
      before showing the editor.

      It gives the editor a pointer to the original incidence, which contains all occurrences
      and a pointer to the original incidence already dissociated from the event (mEvent).

      If the user presses ok/apply the changes made to the incAfterDissociation are commited
      to the callendar through mChanger.

      If the user presses cancel we restore originalIncidence and all dissociations are discarded
    */
    void setRecurringIncidence( Incidence *originalIncidence, Incidence *incAfterDissociation );

  public slots:
    /** Edit an existing todo. */
    virtual void editIncidence(Incidence *, const TQDate &, Calendar *) = 0;
    virtual void setIncidenceChanger( IncidenceChangerBase *changer ) {
        mChanger = changer; }
    /** Initialize editor. This function creates the tab widgets. */
    virtual void init() = 0;
    /**
      Adds attachments to the editor
    */
    void addAttachments( const TQStringList &attachments,
                         const TQStringList& mimeTypes = TQStringList(),
                         bool inlineAttachment = false );
    /**
      Adds attendees to the editor
    */
    void addAttendees( const TQStringList &attendees );

  signals:
    void deleteAttendee( Incidence * );

    void editCategories();
    void updateCategoryConfig();
    void dialogClose( Incidence * );
    void editCanceled( Incidence * );

    void deleteIncidenceSignal( Incidence * );
    void signalAddAttachments( const TQStringList &attachments,
                               const TQStringList& mimeTypes = TQStringList(),
                               bool inlineAttachment = false );


  protected slots:
    void slotApply();
    void slotOk();
    void slotCancel();
    void openURL( const KURL &url );

    virtual void slotManageTemplates();

    virtual void slotSaveTemplate( const TQString & ) = 0;
    virtual void slotLoadTemplate( const TQString& );
    virtual void slotTemplatesChanged( const TQStringList& );

  protected:
    virtual TQString type() { return TQString(); }
    virtual TQStringList& templates() const = 0;
    virtual void loadTemplate( /*const*/ CalendarLocal& ) = 0;

    void setupAttendeesTab();
    void setupDesignerTabs( const TQString &type );

    void saveAsTemplate( Incidence *, const TQString &name );

    void readDesignerFields( Incidence *i );
    void writeDesignerFields( Incidence *i );
    // Returns the page widget. To remove the tab, just delete that one.
    TQWidget *addDesignerTab( const TQString &uifile );

    void setupEmbeddedURLPage( const TQString &label, const TQString &url,
                               const TQString &mimetype );
    void createEmbeddedURLPages( Incidence *i );

    /**
      Process user input and create or update event. Returns false if input is invalid.
    */
    virtual bool processInput() { return false; }

    virtual void processCancel() {}

    void cancelRemovedAttendees( Incidence *incidence );

    Calendar *mCalendar;

    KOEditorDetails *mDetails;
    KOAttendeeEditor *mAttendeeEditor;
    KOrg::IncidenceChangerBase *mChanger;

    TQPtrList<KPIM::DesignerFields> mDesignerFields;
    TQMap<TQWidget*, KPIM::DesignerFields*> mDesignerFieldForWidget;
    TQPtrList<TQWidget> mEmbeddedURLPages;
    TQPtrList<TQWidget> mAttachedDesignerFields;
    ResourceCalendar *mResource;
    TQString mSubResource;
    bool mIsCounter;
    bool mIsCreateTask;

    Incidence *mRecurIncidence;
    Incidence *mRecurIncidenceAfterDissoc;

};

#endif