/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the Qt3Support module of the Qt Toolkit.

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** 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

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** 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

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**

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** $QT_END_LICENSE$

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****************************************************************************/

#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