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

**

** 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 examples 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 <QtGui>

#include "locationdialog.h"

#include "mainwindow.h"

#include "settingstree.h"

MainWindow::MainWindow()

{

    settingsTree = new SettingsTree;

    setCentralWidget(settingsTree);

    locationDialog = 0;

    createActions();

    createMenus();

    autoRefreshAct->setChecked(true);

    fallbacksAct->setChecked(true);

    setWindowTitle(tr("Settings Editor"));

    resize(500, 600);

}

void MainWindow::openSettings()

{

    if (!locationDialog)

        locationDialog = new LocationDialog(this);

    if (locationDialog->exec()) {

        QSettings *settings = new QSettings(locationDialog->format(),

                                            locationDialog->scope(),

                                            locationDialog->organization(),

                                            locationDialog->application());

        setSettingsObject(settings);

        fallbacksAct->setEnabled(true);

    }

}

void MainWindow::openIniFile()

{

    QString fileName = QFileDialog::getOpenFileName(this, tr("Open INI File"),

                               "", tr("INI Files (*.ini *.conf)"));

    if (!fileName.isEmpty()) {

        QSettings *settings = new QSettings(fileName, QSettings::IniFormat);

        setSettingsObject(settings);

        fallbacksAct->setEnabled(false);

    }

}

void MainWindow::openPropertyList()

{

    QString fileName = QFileDialog::getOpenFileName(this,

                               tr("Open Property List"),

                               "", tr("Property List Files (*.plist)"));

    if (!fileName.isEmpty()) {

        QSettings *settings = new QSettings(fileName, QSettings::NativeFormat);

        setSettingsObject(settings);

        fallbacksAct->setEnabled(false);

    }

}

void MainWindow::openRegistryPath()

{

    QString path = QInputDialog::getText(this, tr("Open Registry Path"),

                           tr("Enter the path in the Windows registry:"),

                           QLineEdit::Normal, "HKEY_CURRENT_USER\\");

    if (!path.isEmpty()) {

        QSettings *settings = new QSettings(path, QSettings::NativeFormat);

        setSettingsObject(settings);

        fallbacksAct->setEnabled(false);

    }

}

void MainWindow::about()

{

    QMessageBox::about(this, tr("About Settings Editor"),

            tr("The <b>Settings Editor</b> example shows how to access "

               "application settings using Qt."));

}

void MainWindow::createActions()

{

    openSettingsAct = new QAction(tr("&Open Application Settings..."), this);

    openSettingsAct->setShortcuts(QKeySequence::Open);

    connect(openSettingsAct, SIGNAL(triggered()), this, SLOT(openSettings()));

    openIniFileAct = new QAction(tr("Open I&NI File..."), this);

    openIniFileAct->setShortcut(tr("Ctrl+N"));

    connect(openIniFileAct, SIGNAL(triggered()), this, SLOT(openIniFile()));

    openPropertyListAct = new QAction(tr("Open Mac &Property List..."), this);

    openPropertyListAct->setShortcut(tr("Ctrl+P"));

    connect(openPropertyListAct, SIGNAL(triggered()),

            this, SLOT(openPropertyList()));

    openRegistryPathAct = new QAction(tr("Open Windows &Registry Path..."),

                                      this);

    openRegistryPathAct->setShortcut(tr("Ctrl+G"));

    connect(openRegistryPathAct, SIGNAL(triggered()),

            this, SLOT(openRegistryPath()));

    refreshAct = new QAction(tr("&Refresh"), this);

    refreshAct->setShortcut(tr("Ctrl+R"));

    refreshAct->setEnabled(false);

    connect(refreshAct, SIGNAL(triggered()), settingsTree, SLOT(refresh()));

    exitAct = new QAction(tr("E&xit"), this);

    exitAct->setShortcuts(QKeySequence::Quit);

    connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));

    autoRefreshAct = new QAction(tr("&Auto-Refresh"), this);

    autoRefreshAct->setShortcut(tr("Ctrl+A"));

    autoRefreshAct->setCheckable(true);

    autoRefreshAct->setEnabled(false);

    connect(autoRefreshAct, SIGNAL(triggered(bool)),

            settingsTree, SLOT(setAutoRefresh(bool)));

    connect(autoRefreshAct, SIGNAL(triggered(bool)),

            refreshAct, SLOT(setDisabled(bool)));

    fallbacksAct = new QAction(tr("&Fallbacks"), this);

    fallbacksAct->setShortcut(tr("Ctrl+F"));

    fallbacksAct->setCheckable(true);

    fallbacksAct->setEnabled(false);

    connect(fallbacksAct, SIGNAL(triggered(bool)),

            settingsTree, SLOT(setFallbacksEnabled(bool)));

    aboutAct = new QAction(tr("&About"), this);

    connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));

    aboutQtAct = new QAction(tr("About &Qt"), this);

    connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));

#ifndef Q_WS_MAC

    openPropertyListAct->setEnabled(false);

#endif

#ifndef Q_WS_WIN

    openRegistryPathAct->setEnabled(false);

#endif

}

void MainWindow::createMenus()

{

    fileMenu = menuBar()->addMenu(tr("&File"));

    fileMenu->addAction(openSettingsAct);

    fileMenu->addAction(openIniFileAct);

    fileMenu->addAction(openPropertyListAct);

    fileMenu->addAction(openRegistryPathAct);

    fileMenu->addSeparator();

    fileMenu->addAction(refreshAct);

    fileMenu->addSeparator();

    fileMenu->addAction(exitAct);

    optionsMenu = menuBar()->addMenu(tr("&Options"));

    optionsMenu->addAction(autoRefreshAct);

    optionsMenu->addAction(fallbacksAct);

    menuBar()->addSeparator();

    helpMenu = menuBar()->addMenu(tr("&Help"));

    helpMenu->addAction(aboutAct);

    helpMenu->addAction(aboutQtAct);

}

void MainWindow::setSettingsObject(QSettings *settings)

{

    settings->setFallbacksEnabled(fallbacksAct->isChecked());

    settingsTree->setSettingsObject(settings);

    refreshAct->setEnabled(true);

    autoRefreshAct->setEnabled(true);

    QString niceName = settings->fileName();

    niceName.replace("\\", "/");

    int pos = niceName.lastIndexOf("/");

    if (pos != -1)

        niceName.remove(0, pos + 1);

    if (!settings->isWritable())

        niceName = tr("%1 (read only)").arg(niceName);

    setWindowTitle(tr("%1 - %2").arg(niceName).arg(tr("Settings Editor")));

}