/*
    This file is part of KOrganizer.
    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 _KOEDITORDETAILS_H
#define _KOEDITORDETAILS_H

#include <klistview.h>
#include "customlistviewitem.h"

class QPushButton;
class QCheckBox;
class QLineEdit;
class QLabel;
class QComboBox;
class QHBox;
class KDateEdit;
class KOEditorFreeBusy;

namespace KCal {
class Attendee;
class Incidence;
}
using namespace KCal;

namespace KPIM {
class AddresseeLineEdit;
}

namespace KABC {
class Addressee;
}

typedef CustomListViewItem<Attendee *> AttendeeListItem;


/** KOAttendeeListView is a child class of KListView  which supports
 *  dropping of attendees (e.g. from kaddressbook) onto it. If an attendeee
 *  was dropped, the signal dropped(Attendee*)  is emitted. Valid drop classes
 *   are KVCardDrag and QTextDrag.
 */
class KOAttendeeListView : public KListView
{
Q_OBJECT
public:
  KOAttendeeListView (QWidget *parent=0, const char *name=0);
  virtual ~KOAttendeeListView();
  virtual void addAttendee( const QString& newAttendee );
public slots:
  virtual void contentsDragEnterEvent( QDragEnterEvent *e );
  virtual void dragEnterEvent( QDragEnterEvent *e );
  virtual void contentsDropEvent( QDropEvent *e );
  virtual void dropEvent( QDropEvent *e );
  virtual void contentsDragMoveEvent(QDragMoveEvent *e);
signals:
  void dropped(Attendee*);
};


class KOEditorDetails : public QWidget
{
    Q_OBJECT
  public:
    KOEditorDetails (int spacing = 8,QWidget* parent = 0, const char* name = 0);
    virtual ~KOEditorDetails();

    /** Set widgets to default values */
    void setDefaults();
    /** Read event object and setup widgets accordingly */
    void readEvent(Incidence *);
    /** Write event settings to event object */
    void writeEvent(Incidence *);

    /** return a clone of the event with attendees to be canceld*/
    void cancelAttendeeEvent(Incidence *);
    /** Check if the input is valid. */
    bool validateInput();

    /** Set the gantt view */
    void setFreeBusyWidget( KOEditorFreeBusy * );

  public slots:
    void insertAttendee(Attendee *);

  protected slots:
    void addNewAttendee();
    void removeAttendee();
    void openAddressBook();
    void updateAttendeeInput();
    void clearAttendeeInput();
    void fillAttendeeInput(AttendeeListItem *);
    void updateAttendeeItem();
    void setEnableAttendeeInput(bool);

  protected:
    virtual bool eventFilter( QObject *, QEvent *);
    void fillOrganizerCombo();

    void insertAttendee( Attendee*, bool goodEmailAddress );

    /** Reads values from a KABC::Addressee and inserts a new Attendee
     * item into the listview with those items. Used when adding attendees
     * from the addressbook and expanding distribution lists. 
     * The optional Attendee parameter can be used to pass in default values
     * to be used by the new Attendee. */
    void insertAttendeeFromAddressee( const KABC::Addressee& , const Attendee* at=0 );

  private:
    bool mDisableItemUpdate;

    KPIM::AddresseeLineEdit *mNameEdit;
    QLineEdit *mUidEdit;
    KListView *mListView;
    QComboBox* mRoleCombo;
    QCheckBox* mRsvpButton;
    QComboBox* mStatusCombo;
    QHBox* mOrganizerHBox;
    QComboBox *mOrganizerCombo; // either we organize it (combo shown)
    QLabel *mOrganizerLabel; // or someone else does (just a label is shown)

    QPushButton* mAddButton;
    QPushButton* mRemoveButton;
    QPushButton* mAddressBookButton;

    QPtrList<Attendee> mdelAttendees;

    KOEditorFreeBusy *mFreeBusy;
};

#endif
