/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <qdebug.h>+
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#include <QApplication>+
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#include <QLineEdit>+
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#include <QValidator>+
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+
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#include "ui_validators.h"+
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+
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class ValidatorWidget : public QWidget, public Ui::ValidatorsForm+
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{+
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    Q_OBJECT+
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public:+
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    ValidatorWidget(QWidget *parent = 0);+
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+
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private slots:+
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    void updateValidator();+
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    void updateDoubleValidator();+
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    void _setLocale(const QLocale &l) { setLocale(l); updateValidator(); updateDoubleValidator(); }+
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+
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private:+
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    QIntValidator *validator;+
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    QDoubleValidator *doubleValidator;+
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};+
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+
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ValidatorWidget::ValidatorWidget(QWidget *parent)+
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    : QWidget(parent)+
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{+
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    setupUi(this);+
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+
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    connect(localeSelector, SIGNAL(localeSelected(QLocale)), this, SLOT(_setLocale(QLocale)));+
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+
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    connect(minVal, SIGNAL(editingFinished()), this, SLOT(updateValidator()));+
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    connect(maxVal, SIGNAL(editingFinished()), this, SLOT(updateValidator()));+
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    connect(editor, SIGNAL(editingFinished()), ledWidget, SLOT(flash()));+
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+
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    connect(doubleMaxVal, SIGNAL(editingFinished()), this, SLOT(updateDoubleValidator()));+
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    connect(doubleMinVal, SIGNAL(editingFinished()), this, SLOT(updateDoubleValidator()));+
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    connect(doubleDecimals, SIGNAL(valueChanged(int)), this, SLOT(updateDoubleValidator()));+
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    connect(doubleFormat, SIGNAL(activated(int)), this, SLOT(updateDoubleValidator()));+
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    connect(doubleEditor, SIGNAL(editingFinished()), doubleLedWidget, SLOT(flash()));+
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+
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    validator = 0;+
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    doubleValidator = 0;+
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    updateValidator();+
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    updateDoubleValidator();+
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};+
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+
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void ValidatorWidget::updateValidator()+
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{+
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    QIntValidator *v = new QIntValidator(minVal->value(), maxVal->value(), this);+
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    v->setLocale(locale());+
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    editor->setValidator(v);+
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    delete validator;+
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    validator = v;+
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+
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    QString s = editor->text();+
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    int i = 0;+
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    if (validator->validate(s, i) == QValidator::Invalid) {+
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        editor->clear();+
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    } else {+
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        editor->setText(s);+
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    }+
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}+
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+
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void ValidatorWidget::updateDoubleValidator()+
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{+
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    QDoubleValidator *v+
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        = new QDoubleValidator(doubleMinVal->value(), doubleMaxVal->value(),+
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                                doubleDecimals->value(), this);+
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    v->setNotation(static_cast<QDoubleValidator::Notation>(doubleFormat->currentIndex()));+
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    v->setLocale(locale());+
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    doubleEditor->setValidator(v);+
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    delete doubleValidator;+
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    doubleValidator = v;+
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+
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    QString s = doubleEditor->text();+
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    int i = 0;+
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    if (doubleValidator->validate(s, i) == QValidator::Invalid) {+
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        doubleEditor->clear();+
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    } else {+
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        doubleEditor->setText(s);+
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    }+
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}+
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+
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int main(int argc, char **argv)+
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{+
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    Q_INIT_RESOURCE(validators);+
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+
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    QApplication app(argc, argv);+
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+
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    ValidatorWidget w;+
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    w.show();+
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+
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    return app.exec();+
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}+
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+
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#include "main.moc"+
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