/*
    This file is part of KOrganizer.
    Copyright (c) 1999 Preston Brown
    Copyright (c) 2000,2001 Cornelius Schumacher <schumacher@kde.org>

    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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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 _KOLISTVIEW_H
#define _KOLISTVIEW_H

#include <qlistview.h>
#include <qmap.h>
#include <qdict.h>

#include <klistview.h>

#ifndef DESKTOP_VERSION
#include <qtopia/ir.h> 
#else
#define Ir char
#endif
#include <libkcal/incidence.h>

#include "koeventview.h"
#include "customlistviewitem.h"

using namespace KCal;

typedef CustomListViewItem<Incidence *> KOListViewItem;

/**
  This class provides the initialisation of a KOListViewItem for calendar
  components using the Incidence::Visitor.
*/
class ListItemVisitor : public Incidence::Visitor
{
  public:
    ListItemVisitor(KOListViewItem *, QDate d);
    ~ListItemVisitor();
    
    bool visit(Event *);
    bool visit(Todo *);
    bool visit(Journal *);

  private:
    KOListViewItem *mItem;
    QDate mDate;
};

/**
  This class provides a multi-column list view of events.  It can
  display events from one particular day or several days, it doesn't 
  matter.  To use a view that only handles one day at a time, use
  KODayListView.

  @short multi-column list view of various events.
  @author Preston Brown <pbrown@kde.org>
  @see KOBaseView, KODayListView
*/
class KOListView;

class KOListViewListView : public KListView
{  
   Q_OBJECT
 public:
    KOListViewListView(KOListView * lv );
 signals:
    void newEvent();
    void showIncidence( Incidence* );
 private: 
    void keyPressEvent ( QKeyEvent * ) ;
    void contentsMouseDoubleClickEvent(QMouseEvent *e);
    void contentsMousePressEvent(QMouseEvent *e);
    void contentsMouseReleaseEvent(QMouseEvent *e);
    void contentsMouseMoveEvent(QMouseEvent *e);
    bool mAllowPopupMenu;
    bool mMouseDown;
    int mYMousePos;
};

class KOListView : public KOEventView
{
    Q_OBJECT
  public:
    KOListView(Calendar *calendar, QWidget *parent = 0, 
	       const char *name = 0);
    ~KOListView();

    virtual int maxDatesHint();
    virtual int currentDateCount();
    virtual QPtrList<Incidence> selectedIncidences();
    virtual DateList selectedDates();
    
    void showDates(bool show);
    Incidence* currentItem();
    void addTodos(QPtrList<Todo> eventList);
    void addJournals(QPtrList<Journal> eventList);
    virtual void printPreview(CalPrinter *calPrinter,
                              const QDate &, const QDate &);
    
    void readSettings(KConfig *config, QString setting = "KOListView Layout");
    void writeSettings(KConfig *config, QString setting = "KOListView Layout");
    void updateList();
    void setStartDate(const QDate &start);
    int count();
    QString getWhatsThisText(QPoint p);
 signals:
    void signalNewEvent();
    void beamIncidenceList(QPtrList<Incidence>);

  public slots:
    virtual void updateView();
    virtual void showDates(const QDate &start, const QDate &end);
    virtual void showEvents(QPtrList<Event> eventList);
    void clearSelection();
    void allSelection();

    void clear();
    void beamDone( Ir *ir );
    void showDates();
    void hideDates();
    void deleteAll();
    void saveToFile();
    void saveDescriptionToFile();
    void beamSelected();
    void updateConfig();
    void addCat();
    void setCat();
    void setCategories( bool removeOld );
    void changeEventDisplay(Event *, int);
  
    void defaultItemAction(QListViewItem *item);
    void popupMenu(QListViewItem *item,const QPoint &,int);

  protected slots:
    void processSelectionChange(QListViewItem *);

  protected:
    void addEvents(QPtrList<Event> eventList);
    void addIncidence(Incidence *);
    KOListViewItem *getItemForEvent(Event *event);

  private:
    KOListViewListView *mListView;
    KOEventPopupMenu *mPopupMenu;
    KOListViewItem *mActiveItem;
    QDict<Incidence> mUidDict;
    QDate mStartDate;
    void keyPressEvent ( QKeyEvent * ) ;
};

#endif