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Diffstat (limited to 'src/qt3support/sql/q3editorfactory.cpp')
| -rw-r--r-- | src/qt3support/sql/q3editorfactory.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/qt3support/sql/q3editorfactory.cpp b/src/qt3support/sql/q3editorfactory.cpp new file mode 100644 index 0000000..e55b488 --- /dev/null +++ b/src/qt3support/sql/q3editorfactory.cpp @@ -0,0 +1,202 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt3Support module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "q3cleanuphandler.h" +#include "qlabel.h" +#include "qlineedit.h" +#include "qspinbox.h" +#include "qcombobox.h" + +#include "q3editorfactory.h" +#include "qdatetimeedit.h" + +#ifndef QT_NO_SQL_EDIT_WIDGETS + +QT_BEGIN_NAMESPACE + +/*! + \class Q3EditorFactory + \brief The Q3EditorFactory class is used to create editor widgets + for QVariant data types. + + \compat + + Each editor factory provides the createEditor() function which + given a QVariant will create and return a QWidget that can edit + that QVariant. For example if you have a QVariant::String type, a + QLineEdit would be the default editor returned, 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 Q3EditorFactory and reimplement the + createEditor() function. +*/ + +/*! + Constructs an editor factory with parent \a parent. +*/ + +Q3EditorFactory::Q3EditorFactory (QObject * parent) + : QObject(parent) +{ + +} + +/*! + Destroys the object and frees any allocated resources. +*/ + +Q3EditorFactory::~Q3EditorFactory() +{ + +} + +static Q3EditorFactory * defaultfactory = 0; +static Q3CleanupHandler< Q3EditorFactory > q_cleanup_editor_factory; + +/*! + Returns an instance of a default editor factory. +*/ + +Q3EditorFactory * Q3EditorFactory::defaultFactory() +{ + if(defaultfactory == 0){ + defaultfactory = new Q3EditorFactory(); + q_cleanup_editor_factory.add(&defaultfactory); + } + + return defaultfactory; +} + +/*! + Replaces the default editor factory with \a factory. + \e{Q3EditorFactory takes ownership of factory, and destroys it + when it is no longer needed.} +*/ + +void Q3EditorFactory::installDefaultFactory(Q3EditorFactory * 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 QVariant \a v. + If the QVariant is invalid, 0 is returned. The \a parent is passed + to the appropriate editor's constructor. +*/ + +QWidget * Q3EditorFactory::createEditor(QWidget * parent, const QVariant & v) +{ + QWidget * w = 0; + switch(v.type()){ + case QVariant::Invalid: + w = 0; + break; + case QVariant::Bool: + w = new QComboBox(parent, "qt_editor_bool"); + ((QComboBox *) w)->insertItem(QLatin1String("False")); + ((QComboBox *) w)->insertItem(QLatin1String("True")); + break; + case QVariant::UInt: + w = new QSpinBox(0, 999999, 1, parent, "qt_editor_spinbox"); + break; + case QVariant::Int: + w = new QSpinBox(-999999, 999999, 1, parent, "qt_editor_int"); + break; + case QVariant::String: + case QVariant::Double: + w = new QLineEdit(parent, "qt_editor_double"); + ((QLineEdit*)w)->setFrame(false); + break; + case QVariant::Date: { + QDateTimeEdit *edit = new QDateTimeEdit(parent); + edit->setDisplayFormat(QLatin1String("yyyy/MM/dd")); + edit->setObjectName(QLatin1String("qt_editor_date")); + w = edit; } + break; + case QVariant::Time: { + QDateTimeEdit *edit = new QDateTimeEdit(parent); + edit->setDisplayFormat(QLatin1String("hh:mm")); + edit->setObjectName(QLatin1String("qt_editor_time")); + w = edit; } + break; + case QVariant::DateTime: + w = new QDateTimeEdit(parent); + w->setObjectName(QLatin1String("qt_editor_datetime")); + break; +#ifndef QT_NO_LABEL + case QVariant::Pixmap: + w = new QLabel(parent, QLatin1String("qt_editor_pixmap")); + break; +#endif + case QVariant::Palette: + 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; +} + +QT_END_NAMESPACE + +#endif // QT_NO_SQL |