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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /src/sql/qsqleditorfactory.cpp
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
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+/****************************************************************************
+**
+** Implementation of QSqlEditorFactory class
+**
+** Created : 2000-11-03
+**
+** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the sql module of the Qt 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 Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements 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 sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file. Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** 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 QSqlEditorFactory qsqleditorfactory.h
+ \brief The QSqlEditorFactory class is used to create the editors
+ used by QDataTable and QSqlForm.
+
+ \ingroup database
+ \module sql
+
+ QSqlEditorFactory is used by QDataTable and QSqlForm to
+ automatically create appropriate editors for a given QSqlField.
+ For example if the field is a QVariant::String a QLineEdit would
+ be the default editor, whereas a QVariant::Int's default editor
+ would be a QSpinBox.
+
+ If you want to create different editors for fields with the same
+ data type, subclass QSqlEditorFactory and reimplement the
+ createEditor() function.
+
+ \sa QDataTable, QSqlForm
+*/
+
+
+/*!
+ Constructs a SQL editor factory with parent \a parent, called \a
+ name.
+*/
+
+QSqlEditorFactory::QSqlEditorFactory ( QObject * parent, const char * name )
+ : QEditorFactory( parent, name )
+{
+
+}
+
+/*!
+ Destroys the object and frees any allocated resources.
+*/
+
+QSqlEditorFactory::~QSqlEditorFactory()
+{
+
+}
+
+static QSqlEditorFactory * defaultfactory = 0;
+static QCleanupHandler< QSqlEditorFactory > qsql_cleanup_editor_factory;
+
+/*!
+ Returns an instance of a default editor factory.
+*/
+
+QSqlEditorFactory * QSqlEditorFactory::defaultFactory()
+{
+ if( defaultfactory == 0 ){
+ defaultfactory = new QSqlEditorFactory();
+ qsql_cleanup_editor_factory.add( &defaultfactory );
+ }
+
+ return defaultfactory;
+}
+
+/*!
+ Replaces the default editor factory with \a factory. All
+ QDataTable and QSqlForm instantiations will use this new factory
+ for creating field editors. \e{QSqlEditorFactory takes ownership
+ of \a factory, and destroys it when it is no longer needed.}
+*/
+
+void QSqlEditorFactory::installDefaultFactory( QSqlEditorFactory * 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 QVariant
+ \a variant.
+
+ The widget that is returned has the parent \a parent (which may be
+ zero). If \a variant is invalid, 0 is returned.
+*/
+
+QWidget * QSqlEditorFactory::createEditor( QWidget * parent,
+ const QVariant & variant )
+{
+ return QEditorFactory::createEditor( parent, variant );
+}
+
+/*!
+ \overload
+
+ Creates and returns the appropriate editor for the QSqlField \a
+ field.
+*/
+
+QWidget * QSqlEditorFactory::createEditor( QWidget * parent,
+ const QSqlField * field )
+{
+ if ( !field ) {
+ return 0;
+ }
+
+ QWidget * w = 0;
+ switch( field->type() ){
+ case QVariant::Invalid:
+ w = 0;
+ break;
+ case QVariant::Bool:
+ w = new QComboBox( parent, "qt_editor_bool" );
+ ((QComboBox *) w)->insertItem( "False" );
+ ((QComboBox *) w)->insertItem( "True" );
+ break;
+ case QVariant::UInt:
+ w = new QSpinBox( 0, 2147483647, 1, parent, "qt_editor_spinbox" );
+ break;
+ case QVariant::Int:
+ w = new QSpinBox( -2147483647, 2147483647, 1, parent, "qt_editor_int" );
+ break;
+ case QVariant::LongLong:
+ case QVariant::ULongLong:
+ case QVariant::String:
+ case QVariant::CString:
+ case QVariant::Double:
+ w = new QLineEdit( parent, "qt_editor_double" );
+ ((QLineEdit*)w)->setFrame( FALSE );
+ break;
+ case QVariant::Date:
+ w = new QDateEdit( parent, "qt_editor_date" );
+ break;
+ case QVariant::Time:
+ w = new QTimeEdit( parent, "qt_editor_time" );
+ break;
+ case QVariant::DateTime:
+ w = new QDateTimeEdit( parent, "qt_editor_datetime" );
+ break;
+#ifndef QT_NO_LABEL
+ case QVariant::Pixmap:
+ w = new QLabel( parent, "qt_editor_pixmap" );
+ break;
+#endif
+ case QVariant::Palette:
+ case QVariant::ColorGroup:
+ case QVariant::Color:
+ case QVariant::Font:
+ case QVariant::Brush:
+ case QVariant::Bitmap:
+ case QVariant::Cursor:
+ case QVariant::Map:
+ case QVariant::StringList:
+ case QVariant::Rect:
+ case QVariant::Size:
+ case QVariant::IconSet:
+ case QVariant::Point:
+ case QVariant::PointArray:
+ case QVariant::Region:
+ case QVariant::SizePolicy:
+ case QVariant::ByteArray:
+ default:
+ w = new QWidget( parent, "qt_editor_default" );
+ break;
+ }
+ return w;
+}
+
+#endif // QT_NO_SQL