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/****************************************************************************
**
** Implementation of TQEditorFactory class
**
** Created : 2000-11-17
**
** 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 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 [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 "ntqcleanuphandler.h"
#include "tqlabel.h"
#include "tqlineedit.h"
#include "tqspinbox.h"
#include "tqcombobox.h"
#include "tqeditorfactory.h"
#include "tqdatetimeedit.h"
#ifndef TQT_NO_SQL_EDIT_WIDGETS
/*!
\class TQEditorFactory tqeditorfactory.h
\brief The TQEditorFactory class is used to create editor widgets
for TQVariant data types.
\ingroup database
\module sql
Each editor factory provides the createEditor() function which
given a TQVariant will create and return a TQWidget that can edit
that TQVariant. For example if you have a TQVariant::String type, a
TQLineEdit would be the default editor returned, 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 TQEditorFactory and reimplement the
createEditor() function.
*/
/*!
Constructs an editor factory with parent \a parent, called \a name.
*/
TQEditorFactory::TQEditorFactory ( TQObject * parent, const char * name )
: TQObject( parent, name )
{
}
/*!
Destroys the object and frees any allocated resources.
*/
TQEditorFactory::~TQEditorFactory()
{
}
static TQEditorFactory * defaultfactory = 0;
static TQCleanupHandler< TQEditorFactory > q_cleanup_editor_factory;
/*!
Returns an instance of a default editor factory.
*/
TQEditorFactory * TQEditorFactory::defaultFactory()
{
if( defaultfactory == 0 ){
defaultfactory = new TQEditorFactory();
q_cleanup_editor_factory.add( &defaultfactory );
}
return defaultfactory;
}
/*!
Replaces the default editor factory with \a factory.
\e{TQEditorFactory takes ownership of factory, and destroys it
when it is no longer needed.}
*/
void TQEditorFactory::installDefaultFactory( TQEditorFactory * factory )
{
if( factory == 0 || factory == defaultfactory ) return;
if( defaultfactory != 0 ){
q_cleanup_editor_factory.remove( &defaultfactory );
delete defaultfactory;
}
defaultfactory = factory;
q_cleanup_editor_factory.add( &defaultfactory );
}
/*!
Creates and returns the appropriate editor for the TQVariant \a v.
If the TQVariant is invalid, 0 is returned. The \a parent is passed
to the appropriate editor's constructor.
*/
TQWidget * TQEditorFactory::createEditor( TQWidget * parent, const TQVariant & v )
{
TQWidget * w = 0;
switch( v.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, 999999, 1, parent, "qt_editor_spinbox" );
break;
case TQVariant::Int:
w = new TQSpinBox( -999999, 999999, 1, parent, "qt_editor_int" );
break;
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 TQT_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 // TQT_NO_SQL
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