src/qt3support/sql/q3editorfactory.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/sql/q3editorfactory.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,202 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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