/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtWidgets>

#include "stylesheeteditor.h"

StyleSheetEditor::StyleSheetEditor(QWidget *parent)
    : QDialog(parent)
{
    ui.setupUi(this);

    QRegExp regExp(".(.*)\\+?Style");
    QString defaultStyle = QApplication::style()->metaObject()->className();

    if (regExp.exactMatch(defaultStyle))
        defaultStyle = regExp.cap(1);

    ui.styleCombo->addItems(QStyleFactory::keys());
    ui.styleCombo->setCurrentIndex(ui.styleCombo->findText(defaultStyle, Qt::MatchContains));
    ui.styleSheetCombo->setCurrentIndex(ui.styleSheetCombo->findText("Coffee"));
    loadStyleSheet("Coffee");
}

void StyleSheetEditor::on_styleCombo_activated(const QString &styleName)
{
    qApp->setStyle(styleName);
    ui.applyButton->setEnabled(false);
}

void StyleSheetEditor::on_styleSheetCombo_activated(const QString &sheetName)
{
    loadStyleSheet(sheetName);
}

void StyleSheetEditor::on_styleTextEdit_textChanged()
{
    ui.applyButton->setEnabled(true);
}

void StyleSheetEditor::on_applyButton_clicked()
{
    qApp->setStyleSheet(ui.styleTextEdit->toPlainText());
    ui.applyButton->setEnabled(false);
}

void StyleSheetEditor::loadStyleSheet(const QString &sheetName)
{
    QFile file(":/qss/" + sheetName.toLower() + ".qss");
    file.open(QFile::ReadOnly);
    QString styleSheet = QString::fromLatin1(file.readAll());

    ui.styleTextEdit->setPlainText(styleSheet);
    qApp->setStyleSheet(styleSheet);
    ui.applyButton->setEnabled(false);
}
