kde-playground/kdepimlibs/kabc/sortmode.h
2015-04-14 21:49:29 +00:00

136 lines
3.6 KiB
C++

/*
This file is part of libkabc.
Copyright (c) 2004 Tobias Koenig <tokoe@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KABC_SORTMODE_H
#define KABC_SORTMODE_H
#include "kabc_export.h"
#include "addressee.h"
namespace KABC {
class Field;
/**
@short Sort method for sorting an addressee list.
This interface should be reimplemented by classes which shall act as
SortModes for KABC::AddresseeList.
*/
class KABC_EXPORT SortMode
{
public:
virtual ~SortMode();
/**
Reimplement this method and return whether the first contact is 'smaller'
than the second.
*/
virtual bool lesser( const KABC::Addressee &first, const KABC::Addressee &second ) const = 0;
};
/**
@short Implements comparison by name.
This class implements a comparison of two Addressee objects by name.
*/
class KABC_EXPORT NameSortMode : public SortMode
{
public:
/**
Specifies which parts of the name are used for comparison.
*/
enum NameType {
FormattedName, /**< use the formatted name, e.g. "John Doe" */
FamilyName, /**< use the last name, e.g. "Doe" */
GivenName /**< use the first name, e.g. "John" */
};
/**
Constructor.
Creates a NameSortMethod with FormattedName as name type set.
*/
NameSortMode();
/**
Constructor.
Creates a NameSortMethod with the specified name type.
@param type The name type.
@param ascending if @c true, Addressee object are sorted in
ascending order; if @c false, objects are sorted in
descending order
*/
explicit NameSortMode( NameType type, bool ascending = true );
virtual ~NameSortMode();
/**
Returns whether the first contact is 'smaller' then the second.
*/
virtual bool lesser( const KABC::Addressee &first, const KABC::Addressee &second ) const;
private:
class Private;
Private *const d;
Q_DISABLE_COPY( NameSortMode )
};
/**
@short Implements comparison by an arbitrary field.
This class implements a comparison of two Addressee objects by the
value of an arbitrary field.
*/
class KABC_EXPORT FieldSortMode : public SortMode
{
public:
/**
Constructor.
Creates a FieldSortMethod with the specified @p field.
@param field The field.
@param ascending if @c true, Addressee object are sorted in
ascending order; if @c false, objects are sorted in
descending order
*/
explicit FieldSortMode( KABC::Field *field, bool ascending = true );
virtual ~FieldSortMode();
/**
Returns whether the first contact is 'smaller' then the second.
*/
virtual bool lesser( const KABC::Addressee &first, const KABC::Addressee &second ) const;
private:
class Private;
Private *const d;
Q_DISABLE_COPY( FieldSortMode )
};
}
#endif