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/*
rulewidgethandlermanager.h
This file is part of KMail, the KDE mail client.
Copyright (c) 2004 Ingo Kloecker <kloecker@kde.org>
KMail 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.
KMail 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
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the TQt library by Trolltech AS, Norway (or with modified versions
of TQt that use the same license as TQt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
TQt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#ifndef __KMAIL_RULEWIDGETHANDLERMANAGER_H__
#define __KMAIL_RULEWIDGETHANDLERMANAGER_H__
#include "kmsearchpattern.h"
#include <tqvaluevector.h>
class TQObject;
class TQCString;
class TQString;
class TQWidgetStack;
namespace KMail {
class RuleWidgetHandler;
/**
* @short Singleton to manage the list of RuleWidgetHandlers
*/
class RuleWidgetHandlerManager {
static RuleWidgetHandlerManager * self;
RuleWidgetHandlerManager();
public:
~RuleWidgetHandlerManager();
static RuleWidgetHandlerManager * instance() {
if ( !self )
self = new RuleWidgetHandlerManager();
return self;
}
void registerHandler( const RuleWidgetHandler * handler );
void unregisterHandler( const RuleWidgetHandler * handler );
void createWidgets( TQWidgetStack *functionStack,
TQWidgetStack *valueStack,
const TQObject *receiver ) const;
KMSearchRule::Function function( const TQCString & field,
const TQWidgetStack *functionStack ) const;
TQString value( const TQCString & field,
const TQWidgetStack *functionStack,
const TQWidgetStack *valueStack ) const;
TQString prettyValue( const TQCString & field,
const TQWidgetStack *functionStack,
const TQWidgetStack *valueStack ) const;
bool handlesField( const TQCString & field,
const TQWidgetStack *functionStack,
const TQWidgetStack *valueStack ) const;
void reset( TQWidgetStack *functionStack,
TQWidgetStack *valueStack ) const;
void setRule( TQWidgetStack *functionStack,
TQWidgetStack *valueStack,
const KMSearchRule *rule ) const;
void update( const TQCString & field,
TQWidgetStack *functionStack,
TQWidgetStack *valueStack ) const;
private:
typedef TQValueVector<const RuleWidgetHandler*>::const_iterator const_iterator;
typedef TQValueVector<const RuleWidgetHandler*>::iterator iterator;
TQValueVector<const RuleWidgetHandler*> mHandlers;
};
} // namespace KMail
#endif // __KMAIL_RULEWIDGETHANDLERMANAGER_H__
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