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Diffstat (limited to 'src/qt3support/sql/q3sqleditorfactory.cpp')
| -rw-r--r-- | src/qt3support/sql/q3sqleditorfactory.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/qt3support/sql/q3sqleditorfactory.cpp b/src/qt3support/sql/q3sqleditorfactory.cpp new file mode 100644 index 0000000..5d71ad7 --- /dev/null +++ b/src/qt3support/sql/q3sqleditorfactory.cpp @@ -0,0 +1,229 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "q3sqleditorfactory.h" + +#ifndef QT_NO_SQL_EDIT_WIDGETS + +#include "qsqlfield.h" +#include "q3cleanuphandler.h" +#include "qlabel.h" +#include "qlineedit.h" +#include "qspinbox.h" +#include "qcombobox.h" +#include "qdatetimeedit.h" + +QT_BEGIN_NAMESPACE + +/*! + \class Q3SqlEditorFactory + \brief The Q3SqlEditorFactory class is used to create the editors + used by Q3DataTable and Q3SqlForm. + + \compat + + Q3SqlEditorFactory is used by Q3DataTable and Q3SqlForm 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 Q3SqlEditorFactory and reimplement the + createEditor() function. + + \sa Q3DataTable, Q3SqlForm +*/ + + +/*! + Constructs a SQL editor factory with parent \a parent. +*/ + +Q3SqlEditorFactory::Q3SqlEditorFactory (QObject * parent) + : Q3EditorFactory(parent) +{ + +} + +/*! + Destroys the object and frees any allocated resources. +*/ + +Q3SqlEditorFactory::~Q3SqlEditorFactory() +{ + +} + +static Q3SqlEditorFactory * defaultfactory = 0; +static Q3CleanupHandler< Q3SqlEditorFactory > qsql_cleanup_editor_factory; + +/*! + Returns an instance of a default editor factory. +*/ + +Q3SqlEditorFactory * Q3SqlEditorFactory::defaultFactory() +{ + if(defaultfactory == 0){ + defaultfactory = new Q3SqlEditorFactory(); + qsql_cleanup_editor_factory.add(&defaultfactory); + } + + return defaultfactory; +} + +/*! + Replaces the default editor factory with \a factory. All + Q3DataTable and Q3SqlForm instantiations will use this new factory + for creating field editors. \e{Q3SqlEditorFactory takes ownership + of \a factory, and destroys it when it is no longer needed.} +*/ + +void Q3SqlEditorFactory::installDefaultFactory(Q3SqlEditorFactory * 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 * Q3SqlEditorFactory::createEditor(QWidget * parent, + const QVariant & variant) +{ + return Q3EditorFactory::createEditor(parent, variant); +} + +/*! + \overload + + Creates and returns the appropriate editor for the QSqlField \a + field. +*/ + +QWidget * Q3SqlEditorFactory::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(QLatin1String("False")); + ((QComboBox *) w)->insertItem(QLatin1String("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::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, "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 |