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+/* -*- mode: C++; c-file-style: "gnu" -*-
+ 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 Qt library by Trolltech AS, Norway (or with modified versions
+ of Qt that use the same license as Qt), 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
+ Qt. 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 <qvaluevector.h>
+
+class QObject;
+class QCString;
+class QString;
+class QWidgetStack;
+
+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( QWidgetStack *functionStack,
+ QWidgetStack *valueStack,
+ const QObject *receiver ) const;
+ KMSearchRule::Function function( const QCString & field,
+ const QWidgetStack *functionStack ) const;
+ QString value( const QCString & field,
+ const QWidgetStack *functionStack,
+ const QWidgetStack *valueStack ) const;
+ QString prettyValue( const QCString & field,
+ const QWidgetStack *functionStack,
+ const QWidgetStack *valueStack ) const;
+ bool handlesField( const QCString & field,
+ const QWidgetStack *functionStack,
+ const QWidgetStack *valueStack ) const;
+ void reset( QWidgetStack *functionStack,
+ QWidgetStack *valueStack ) const;
+ void setRule( QWidgetStack *functionStack,
+ QWidgetStack *valueStack,
+ const KMSearchRule *rule ) const;
+ void update( const QCString & field,
+ QWidgetStack *functionStack,
+ QWidgetStack *valueStack ) const;
+
+ private:
+ typedef QValueVector<const RuleWidgetHandler*>::const_iterator const_iterator;
+ typedef QValueVector<const RuleWidgetHandler*>::iterator iterator;
+
+ QValueVector<const RuleWidgetHandler*> mHandlers;
+ };
+
+} // namespace KMail
+
+#endif // __KMAIL_RULEWIDGETHANDLERMANAGER_H__