kexi
kexidbcheckbox.h
00001 /* This file is part of the KDE project 00002 Copyright (C) 2005 Cedric Pasteur <cedric.pasteur@free.fr> 00003 Copyright (C) 2004-2006 Jaroslaw Staniek <js@iidea.pl> 00004 00005 This program is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This program is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public License 00016 along with this program; see the file COPYING. If not, write to 00017 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00018 * Boston, MA 02110-1301, USA. 00019 */ 00020 00021 #ifndef KexiDBCheckBox_H 00022 #define KexiDBCheckBox_H 00023 00024 #include "kexiformdataiteminterface.h" 00025 #include <qcheckbox.h> 00026 00028 class KEXIFORMUTILS_EXPORT KexiDBCheckBox : public QCheckBox, public KexiFormDataItemInterface 00029 { 00030 Q_OBJECT 00031 Q_PROPERTY(QString dataSource READ dataSource WRITE setDataSource DESIGNABLE true) 00032 Q_PROPERTY(QCString dataSourceMimeType READ dataSourceMimeType WRITE setDataSourceMimeType DESIGNABLE true) 00033 Q_OVERRIDE( Tristate tristate READ isTristate WRITE setTristate ) 00034 Q_ENUMS( Tristate ) 00035 00036 public: 00037 KexiDBCheckBox(const QString &text, QWidget *parent, const char *name=0); 00038 virtual ~KexiDBCheckBox(); 00039 00040 inline QString dataSource() const { return KexiFormDataItemInterface::dataSource(); } 00041 inline QCString dataSourceMimeType() const { return KexiFormDataItemInterface::dataSourceMimeType(); } 00042 virtual QVariant value(); 00043 virtual void setInvalidState( const QString& displayText ); 00044 00047 virtual bool valueIsNull(); 00048 00053 virtual bool valueIsEmpty(); 00054 00056 virtual bool isReadOnly() const; 00057 00059 virtual QWidget* widget(); 00060 00061 virtual bool cursorAtStart(); 00062 virtual bool cursorAtEnd(); 00063 virtual void clear(); 00064 00065 virtual void setEnabled(bool enabled); 00066 00067 enum Tristate { TristateDefault, TristateOn, TristateOff }; 00068 00069 void setTristate(Tristate tristate); 00070 Tristate isTristate() const; 00071 00073 virtual void setDisplayDefaultValue(QWidget* widget, bool displayDefaultValue); 00074 00075 public slots: 00076 void setDataSource(const QString &ds); 00077 inline void setDataSourceMimeType(const QCString &ds) { KexiFormDataItemInterface::setDataSourceMimeType(ds); } 00078 void slotStateChanged(int state); 00079 00081 virtual void setReadOnly( bool readOnly ); 00082 00083 protected: 00084 virtual void setValueInternal(const QVariant& add, bool removeOld); 00085 00088 bool isTristateInternal() const; 00089 00091 void updateTristate(); 00092 00093 private: 00094 bool m_invalidState : 1; 00095 bool m_tristateChanged : 1; 00096 Tristate m_tristate; 00097 }; 00098 00099 #endif