rulewidgethandlermanager.h
00001 /* -*- mode: C++; c-file-style: "gnu" -*- 00002 rulewidgethandlermanager.h 00003 00004 This file is part of KMail, the KDE mail client. 00005 Copyright (c) 2004 Ingo Kloecker <kloecker@kde.org> 00006 00007 KMail is free software; you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation; either version 2 of the License, or 00010 (at your option) any later version. 00011 00012 KMail is distributed in the hope that it will be useful, but 00013 WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 GNU General Public License for more details. 00016 00017 You should have received a copy of the GNU General Public License 00018 along with this program; if not, write to the Free Software 00019 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 00021 In addition, as a special exception, the copyright holders give 00022 permission to link the code of this program with any edition of 00023 the TQt library by Trolltech AS, Norway (or with modified versions 00024 of TQt that use the same license as TQt), and distribute linked 00025 combinations including the two. You must obey the GNU General 00026 Public License in all respects for all of the code used other than 00027 TQt. If you modify this file, you may extend this exception to 00028 your version of the file, but you are not obligated to do so. If 00029 you do not wish to do so, delete this exception statement from 00030 your version. 00031 */ 00032 00033 #ifndef __KMAIL_RULEWIDGETHANDLERMANAGER_H__ 00034 #define __KMAIL_RULEWIDGETHANDLERMANAGER_H__ 00035 00036 #include "kmsearchpattern.h" 00037 00038 #include <tqvaluevector.h> 00039 00040 class TQObject; 00041 class TQCString; 00042 class TQString; 00043 class TQWidgetStack; 00044 00045 namespace KMail { 00046 00047 class RuleWidgetHandler; 00048 00052 class RuleWidgetHandlerManager { 00053 static RuleWidgetHandlerManager * self; 00054 00055 RuleWidgetHandlerManager(); 00056 public: 00057 ~RuleWidgetHandlerManager(); 00058 00059 static RuleWidgetHandlerManager * instance() { 00060 if ( !self ) 00061 self = new RuleWidgetHandlerManager(); 00062 return self; 00063 } 00064 00065 void registerHandler( const RuleWidgetHandler * handler ); 00066 void unregisterHandler( const RuleWidgetHandler * handler ); 00067 00068 void createWidgets( TQWidgetStack *functionStack, 00069 TQWidgetStack *valueStack, 00070 const TQObject *receiver ) const; 00071 KMSearchRule::Function function( const TQCString & field, 00072 const TQWidgetStack *functionStack ) const; 00073 TQString value( const TQCString & field, 00074 const TQWidgetStack *functionStack, 00075 const TQWidgetStack *valueStack ) const; 00076 TQString prettyValue( const TQCString & field, 00077 const TQWidgetStack *functionStack, 00078 const TQWidgetStack *valueStack ) const; 00079 bool handlesField( const TQCString & field, 00080 const TQWidgetStack *functionStack, 00081 const TQWidgetStack *valueStack ) const; 00082 void reset( TQWidgetStack *functionStack, 00083 TQWidgetStack *valueStack ) const; 00084 void setRule( TQWidgetStack *functionStack, 00085 TQWidgetStack *valueStack, 00086 const KMSearchRule *rule ) const; 00087 void update( const TQCString & field, 00088 TQWidgetStack *functionStack, 00089 TQWidgetStack *valueStack ) const; 00090 00091 private: 00092 typedef TQValueVector<const RuleWidgetHandler*>::const_iterator const_iterator; 00093 typedef TQValueVector<const RuleWidgetHandler*>::iterator iterator; 00094 00095 TQValueVector<const RuleWidgetHandler*> mHandlers; 00096 }; 00097 00098 } // namespace KMail 00099 00100 #endif // __KMAIL_RULEWIDGETHANDLERMANAGER_H__