kexi

kexiformdataiteminterface.h

00001 /* This file is part of the KDE project
00002    Copyright (C) 2005-2006 Jaroslaw Staniek <js@iidea.pl>
00003 
00004    This program is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This program is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this program; see the file COPYING.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018  */
00019 
00020 #ifndef KEXIFORMDATAITEMINTERFACE_H
00021 #define KEXIFORMDATAITEMINTERFACE_H
00022 
00023 #include <widget/utils/kexidisplayutils.h>
00024 #include <kexidataiteminterface.h>
00025 #include <qwidget.h>
00026 
00027 namespace KexiDB {
00028     class Field;
00029 }
00030 
00032 class KEXIFORMUTILS_EXPORT KexiFormDataItemInterface : public KexiDataItemInterface
00033 {
00034     public:
00035         KexiFormDataItemInterface();
00036         virtual ~KexiFormDataItemInterface();
00037 
00040         inline QString dataSource() const { return m_dataSource; }
00041 
00044         inline void setDataSource(const QString &ds) { m_dataSource = ds; }
00045 
00050         inline QCString dataSourceMimeType() const { return m_dataSourceMimeType; }
00051 
00055         inline void setDataSourceMimeType(const QCString &ds) { m_dataSourceMimeType = ds; }
00056 
00063         virtual void setDisplayDefaultValue(QWidget* widget, bool displayDefaultValue);
00064 
00066         virtual bool hasDisplayedDefaultValue() const { return m_displayDefaultValue; }
00067 
00070         virtual QWidget* widget() { return dynamic_cast<QWidget*>(this); }
00071 
00079         virtual void setInvalidState( const QString& displayText ) = 0;
00080 
00084         virtual void setReadOnly( bool readOnly ) = 0;
00085 
00087         virtual KexiDB::Field* field() const;
00088 
00090         virtual KexiDB::QueryColumnInfo* columnInfo() const { return m_columnInfo; }
00091 
00096         virtual void setColumnInfo(KexiDB::QueryColumnInfo* cinfo) { m_columnInfo = cinfo; }
00097 
00100         virtual void setVisibleColumnInfo(KexiDB::QueryColumnInfo* cinfo) { Q_UNUSED(cinfo); }
00101 
00104         virtual KexiDB::QueryColumnInfo* visibleColumnInfo() const { return columnInfo(); }
00105 
00107         virtual void hideWidget() { }
00108 
00110         virtual void showWidget() { }
00111 
00118         virtual void undoChanges();
00119 
00120         /* Cancels editing of the widget's data. This method just looks for 
00121          the (grand)parent KexiFormScrollView object and calls
00122          KexiFormScrollView::cancelEditor(). */
00123         void cancelEditor();
00124 
00132         virtual bool keyPressed(QKeyEvent *ke) { Q_UNUSED(ke); return false; };
00133 
00134     protected:
00135         QString m_dataSource;
00136         QCString m_dataSourceMimeType;
00137         KexiDB::QueryColumnInfo* m_columnInfo;
00138         KexiDisplayUtils::DisplayParameters *m_displayParametersForEnteredValue; 
00139         KexiDisplayUtils::DisplayParameters *m_displayParametersForDefaultValue; 
00140         bool m_displayDefaultValue : 1; 
00141 
00142     friend class KexiDBAutoField;
00143 };
00144 
00145 #endif
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