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Diffstat (limited to 'src/sql/qsqleditorfactory.cpp')
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1 files changed, 221 insertions, 0 deletions
diff --git a/src/sql/qsqleditorfactory.cpp b/src/sql/qsqleditorfactory.cpp new file mode 100644 index 000000000..72afcd188 --- /dev/null +++ b/src/sql/qsqleditorfactory.cpp @@ -0,0 +1,221 @@ +/**************************************************************************** +** +** Implementation of TQSqlEditorFactory class +** +** Created : 2000-11-03 +** +** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the sql module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at [email protected]. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#include "qsqleditorfactory.h" + +#ifndef QT_NO_SQL_EDIT_WIDGETS + +#include "qsqlfield.h" +#include "qcleanuphandler.h" +#include "qlabel.h" +#include "qlineedit.h" +#include "qspinbox.h" +#include "qcombobox.h" +#include "qdatetimeedit.h" + +/*! + \class TQSqlEditorFactory qsqleditorfactory.h + \brief The TQSqlEditorFactory class is used to create the editors + used by TQDataTable and TQSqlForm. + + \ingroup database + \module sql + + TQSqlEditorFactory is used by TQDataTable and TQSqlForm to + automatically create appropriate editors for a given TQSqlField. + For example if the field is a TQVariant::String a TQLineEdit would + be the default editor, whereas a TQVariant::Int's default editor + would be a TQSpinBox. + + If you want to create different editors for fields with the same + data type, subclass TQSqlEditorFactory and reimplement the + createEditor() function. + + \sa TQDataTable, TQSqlForm +*/ + + +/*! + Constructs a SQL editor factory with parent \a parent, called \a + name. +*/ + +TQSqlEditorFactory::TQSqlEditorFactory ( TQObject * parent, const char * name ) + : TQEditorFactory( parent, name ) +{ + +} + +/*! + Destroys the object and frees any allocated resources. +*/ + +TQSqlEditorFactory::~TQSqlEditorFactory() +{ + +} + +static TQSqlEditorFactory * defaultfactory = 0; +static TQCleanupHandler< TQSqlEditorFactory > qsql_cleanup_editor_factory; + +/*! + Returns an instance of a default editor factory. +*/ + +TQSqlEditorFactory * TQSqlEditorFactory::defaultFactory() +{ + if( defaultfactory == 0 ){ + defaultfactory = new TQSqlEditorFactory(); + qsql_cleanup_editor_factory.add( &defaultfactory ); + } + + return defaultfactory; +} + +/*! + Replaces the default editor factory with \a factory. All + TQDataTable and TQSqlForm instantiations will use this new factory + for creating field editors. \e{TQSqlEditorFactory takes ownership + of \a factory, and destroys it when it is no longer needed.} +*/ + +void TQSqlEditorFactory::installDefaultFactory( TQSqlEditorFactory * factory ) +{ + if( factory == 0 ) return; + + if( defaultfactory != 0 ){ + qsql_cleanup_editor_factory.remove( &defaultfactory ); + delete defaultfactory; + } + defaultfactory = factory; + qsql_cleanup_editor_factory.add( &defaultfactory ); +} + +/*! + Creates and returns the appropriate editor widget for the TQVariant + \a variant. + + The widget that is returned has the parent \a parent (which may be + zero). If \a variant is invalid, 0 is returned. +*/ + +TQWidget * TQSqlEditorFactory::createEditor( TQWidget * parent, + const TQVariant & variant ) +{ + return TQEditorFactory::createEditor( parent, variant ); +} + +/*! + \overload + + Creates and returns the appropriate editor for the TQSqlField \a + field. +*/ + +TQWidget * TQSqlEditorFactory::createEditor( TQWidget * parent, + const TQSqlField * field ) +{ + if ( !field ) { + return 0; + } + + TQWidget * w = 0; + switch( field->type() ){ + case TQVariant::Invalid: + w = 0; + break; + case TQVariant::Bool: + w = new TQComboBox( parent, "qt_editor_bool" ); + ((TQComboBox *) w)->insertItem( "False" ); + ((TQComboBox *) w)->insertItem( "True" ); + break; + case TQVariant::UInt: + w = new TQSpinBox( 0, 2147483647, 1, parent, "qt_editor_spinbox" ); + break; + case TQVariant::Int: + w = new TQSpinBox( -2147483647, 2147483647, 1, parent, "qt_editor_int" ); + break; + case TQVariant::LongLong: + case TQVariant::ULongLong: + case TQVariant::String: + case TQVariant::CString: + case TQVariant::Double: + w = new TQLineEdit( parent, "qt_editor_double" ); + ((TQLineEdit*)w)->setFrame( FALSE ); + break; + case TQVariant::Date: + w = new TQDateEdit( parent, "qt_editor_date" ); + break; + case TQVariant::Time: + w = new TQTimeEdit( parent, "qt_editor_time" ); + break; + case TQVariant::DateTime: + w = new TQDateTimeEdit( parent, "qt_editor_datetime" ); + break; +#ifndef QT_NO_LABEL + case TQVariant::Pixmap: + w = new TQLabel( parent, "qt_editor_pixmap" ); + break; +#endif + case TQVariant::Palette: + case TQVariant::ColorGroup: + case TQVariant::Color: + case TQVariant::Font: + case TQVariant::Brush: + case TQVariant::Bitmap: + case TQVariant::Cursor: + case TQVariant::Map: + case TQVariant::StringList: + case TQVariant::Rect: + case TQVariant::Size: + case TQVariant::IconSet: + case TQVariant::Point: + case TQVariant::PointArray: + case TQVariant::Region: + case TQVariant::SizePolicy: + case TQVariant::ByteArray: + default: + w = new TQWidget( parent, "qt_editor_default" ); + break; + } + return w; +} + +#endif // QT_NO_SQL |