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** This file is part of the demonstration applications of the Qt Toolkit.
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module settings;


import QtGui.QDialog;
import ui_settings;


import settings;

import browserapplication;
import browsermainwindow;
import cookiejar;
import history;
import networkaccessmanager;
import webview;

import QtCore.QSettings;
import QtGui.QtGui;
import QtWebKit.QtWebKit;


class SettingsDialog : public QDialog, public Ui_Settings
{
    Q_OBJECT

public:
    SettingsDialog(QWidget *parent = null);
    : QDialog(parent)
{
    setupUi(this);
    connect(exceptionsButton, SIGNAL(clicked()), this, SLOT(showExceptions()));
    connect(setHomeToCurrentPageButton, SIGNAL(clicked()), this, SLOT(setHomeToCurrentPage()));
    connect(cookiesButton, SIGNAL(clicked()), this, SLOT(showCookies()));
    connect(standardFontButton, SIGNAL(clicked()), this, SLOT(chooseFont()));
    connect(fixedFontButton, SIGNAL(clicked()), this, SLOT(chooseFixedFont()));

    loadDefaults();
    loadFromSettings();
}
    void accept();
{
    saveToSettings();
    QDialog::accept();
}

private slots:
    void loadDefaults()
{
    QWebSettings *defaultSettings = QWebSettings::globalSettings();
    QString standardFontFamily = defaultSettings.fontFamily(QWebSettings::StandardFont);
    int standardFontSize = defaultSettings.fontSize(QWebSettings::DefaultFontSize);
    standardFont = QFont(standardFontFamily, standardFontSize);
    standardLabel.setText(QString(QLatin1String("%1 %2")).arg(standardFont.family()).arg(standardFont.pointSize()));

    QString fixedFontFamily = defaultSettings.fontFamily(QWebSettings::FixedFont);
    int fixedFontSize = defaultSettings.fontSize(QWebSettings::DefaultFixedFontSize);
    fixedFont = QFont(fixedFontFamily, fixedFontSize);
    fixedLabel.setText(QString(QLatin1String("%1 %2")).arg(fixedFont.family()).arg(fixedFont.pointSize()));

    downloadsLocation.setText(QDesktopServices::storageLocation(QDesktopServices::DesktopLocation));

    enableJavascript.setChecked(defaultSettings.testAttribute(QWebSettings::JavascriptEnabled));
    enablePlugins.setChecked(defaultSettings.testAttribute(QWebSettings::PluginsEnabled));
}

    void loadFromSettings()
{
    QSettings settings;
    settings.beginGroup(QLatin1String("MainWindow"));
    QString defaultHome = QLatin1String("http://qtsoftware.com");
    homeLineEdit.setText(settings.value(QLatin1String("home"), defaultHome).toString());
    settings.endGroup();

    settings.beginGroup(QLatin1String("history"));
    int historyExpire = settings.value(QLatin1String("historyExpire")).toInt();
    int idx = 0;
    switch (historyExpire) {
    case 1: idx = 0; break;
    case 7: idx = 1; break;
    case 14: idx = 2; break;
    case 30: idx = 3; break;
    case 365: idx = 4; break;
    case -1: idx = 5; break;
    default:
        idx = 5;
    }
    expireHistory.setCurrentIndex(idx);
    settings.endGroup();

    settings.beginGroup(QLatin1String("downloadmanager"));
    QString downloadDirectory = settings.value(QLatin1String("downloadDirectory"), downloadsLocation.text()).toString();
    downloadsLocation.setText(downloadDirectory);
    settings.endGroup();

    settings.beginGroup(QLatin1String("general"));
    openLinksIn.setCurrentIndex(settings.value(QLatin1String("openLinksIn"), openLinksIn.currentIndex()).toInt());

    settings.endGroup();

    // Appearance
    settings.beginGroup(QLatin1String("websettings"));
    fixedFont = qVariantValue<QFont>(settings.value(QLatin1String("fixedFont"), fixedFont));
    standardFont = qVariantValue<QFont>(settings.value(QLatin1String("standardFont"), standardFont));

    standardLabel.setText(QString(QLatin1String("%1 %2")).arg(standardFont.family()).arg(standardFont.pointSize()));
    fixedLabel.setText(QString(QLatin1String("%1 %2")).arg(fixedFont.family()).arg(fixedFont.pointSize()));

    enableJavascript.setChecked(settings.value(QLatin1String("enableJavascript"), enableJavascript.isChecked()).toBool());
    enablePlugins.setChecked(settings.value(QLatin1String("enablePlugins"), enablePlugins.isChecked()).toBool());
    userStyleSheet.setText(settings.value(QLatin1String("userStyleSheet")).toUrl().toString());
    settings.endGroup();

    // Privacy
    settings.beginGroup(QLatin1String("cookies"));

    CookieJar *jar = BrowserApplication::cookieJar();
    QByteArray value = settings.value(QLatin1String("acceptCookies"), QLatin1String("AcceptOnlyFromSitesNavigatedTo")).toByteArray();
    QMetaEnum acceptPolicyEnum = jar.staticMetaObject.enumerator(jar.staticMetaObject.indexOfEnumerator("AcceptPolicy"));
    CookieJar::AcceptPolicy acceptCookies = acceptPolicyEnum.keyToValue(value) == -1 ?
                        CookieJar::AcceptOnlyFromSitesNavigatedTo :
                        static_cast<CookieJar::AcceptPolicy>(acceptPolicyEnum.keyToValue(value));
    switch(acceptCookies) {
    case CookieJar::AcceptAlways:
        acceptCombo.setCurrentIndex(0);
        break;
    case CookieJar::AcceptNever:
        acceptCombo.setCurrentIndex(1);
        break;
    case CookieJar::AcceptOnlyFromSitesNavigatedTo:
        acceptCombo.setCurrentIndex(2);
        break;
    }

    value = settings.value(QLatin1String("keepCookiesUntil"), QLatin1String("Expire")).toByteArray();
    QMetaEnum keepPolicyEnum = jar.staticMetaObject.enumerator(jar.staticMetaObject.indexOfEnumerator("KeepPolicy"));
    CookieJar::KeepPolicy keepCookies = keepPolicyEnum.keyToValue(value) == -1 ?
                        CookieJar::KeepUntilExpire :
                        static_cast<CookieJar::KeepPolicy>(keepPolicyEnum.keyToValue(value));
    switch(keepCookies) {
    case CookieJar::KeepUntilExpire:
        keepUntilCombo.setCurrentIndex(0);
        break;
    case CookieJar::KeepUntilExit:
        keepUntilCombo.setCurrentIndex(1);
        break;
    case CookieJar::KeepUntilTimeLimit:
        keepUntilCombo.setCurrentIndex(2);
        break;
    }
    settings.endGroup();


    // Proxy
    settings.beginGroup(QLatin1String("proxy"));
    proxySupport.setChecked(settings.value(QLatin1String("enabled"), false).toBool());
    proxyType.setCurrentIndex(settings.value(QLatin1String("type"), 0).toInt());
    proxyHostName.setText(settings.value(QLatin1String("hostName")).toString());
    proxyPort.setValue(settings.value(QLatin1String("port"), 1080).toInt());
    proxyUserName.setText(settings.value(QLatin1String("userName")).toString());
    proxyPassword.setText(settings.value(QLatin1String("password")).toString());
    settings.endGroup();
}

    void saveToSettings()
{
    QSettings settings;
    settings.beginGroup(QLatin1String("MainWindow"));
    settings.setValue(QLatin1String("home"), homeLineEdit.text());
    settings.endGroup();

    settings.beginGroup(QLatin1String("general"));
    settings.setValue(QLatin1String("openLinksIn"), openLinksIn.currentIndex());
    settings.endGroup();

    settings.beginGroup(QLatin1String("history"));
    int historyExpire = expireHistory.currentIndex();
    int idx = -1;
    switch (historyExpire) {
    case 0: idx = 1; break;
    case 1: idx = 7; break;
    case 2: idx = 14; break;
    case 3: idx = 30; break;
    case 4: idx = 365; break;
    case 5: idx = -1; break;
    }
    settings.setValue(QLatin1String("historyExpire"), idx);
    settings.endGroup();

    // Appearance
    settings.beginGroup(QLatin1String("websettings"));
    settings.setValue(QLatin1String("fixedFont"), fixedFont);
    settings.setValue(QLatin1String("standardFont"), standardFont);
    settings.setValue(QLatin1String("enableJavascript"), enableJavascript.isChecked());
    settings.setValue(QLatin1String("enablePlugins"), enablePlugins.isChecked());
    QString userStyleSheetString = userStyleSheet.text();
    if (QFile::exists(userStyleSheetString))
        settings.setValue(QLatin1String("userStyleSheet"), QUrl::fromLocalFile(userStyleSheetString));
    else
        settings.setValue(QLatin1String("userStyleSheet"), QUrl(userStyleSheetString));
    settings.endGroup();

    //Privacy
    settings.beginGroup(QLatin1String("cookies"));

    CookieJar::KeepPolicy keepCookies;
    switch(acceptCombo.currentIndex()) {
    default:
    case 0:
        keepCookies = CookieJar::KeepUntilExpire;
        break;
    case 1:
        keepCookies = CookieJar::KeepUntilExit;
        break;
    case 2:
        keepCookies = CookieJar::KeepUntilTimeLimit;
        break;
    }
    CookieJar *jar = BrowserApplication::cookieJar();
    QMetaEnum acceptPolicyEnum = jar.staticMetaObject.enumerator(jar.staticMetaObject.indexOfEnumerator("AcceptPolicy"));
    settings.setValue(QLatin1String("acceptCookies"), QLatin1String(acceptPolicyEnum.valueToKey(keepCookies)));

    CookieJar::KeepPolicy keepPolicy;
    switch(keepUntilCombo.currentIndex()) {
        default:
    case 0:
        keepPolicy = CookieJar::KeepUntilExpire;
        break;
    case 1:
        keepPolicy = CookieJar::KeepUntilExit;
        break;
    case 2:
        keepPolicy = CookieJar::KeepUntilTimeLimit;
        break;
    }

    QMetaEnum keepPolicyEnum = jar.staticMetaObject.enumerator(jar.staticMetaObject.indexOfEnumerator("KeepPolicy"));
    settings.setValue(QLatin1String("keepCookiesUntil"), QLatin1String(keepPolicyEnum.valueToKey(keepPolicy)));

    settings.endGroup();

    // proxy
    settings.beginGroup(QLatin1String("proxy"));
    settings.setValue(QLatin1String("enabled"), proxySupport.isChecked());
    settings.setValue(QLatin1String("type"), proxyType.currentIndex());
    settings.setValue(QLatin1String("hostName"), proxyHostName.text());
    settings.setValue(QLatin1String("port"), proxyPort.text());
    settings.setValue(QLatin1String("userName"), proxyUserName.text());
    settings.setValue(QLatin1String("password"), proxyPassword.text());
    settings.endGroup();

    BrowserApplication::instance().loadSettings();
    BrowserApplication::networkAccessManager().loadSettings();
    BrowserApplication::cookieJar().loadSettings();
    BrowserApplication::historyManager().loadSettings();
}

    void setHomeToCurrentPage()
{
    BrowserMainWindow *mw = static_cast<BrowserMainWindow*>(parent());
    WebView *webView = mw.currentTab();
    if (webView)
        homeLineEdit.setText(webView.url().toString());
}

    void showCookies()
{
    CookiesDialog *dialog = new CookiesDialog(BrowserApplication::cookieJar(), this);
    dialog.exec();
}
    void showExceptions()
{
    CookiesExceptionsDialog *dialog = new CookiesExceptionsDialog(BrowserApplication::cookieJar(), this);
    dialog.exec();
}

    void chooseFont()
{
    bool ok;
    QFont font = QFontDialog::getFont(&ok, standardFont, this);
    if ( ok ) {
        standardFont = font;
        standardLabel.setText(QString(QLatin1String("%1 %2")).arg(font.family()).arg(font.pointSize()));
    }
}

    void chooseFixedFont()
{
    bool ok;
    QFont font = QFontDialog::getFont(&ok, fixedFont, this);
    if ( ok ) {
        fixedFont = font;
        fixedLabel.setText(QString(QLatin1String("%1 %2")).arg(font.family()).arg(font.pointSize()));
    }
}

private:
    QFont standardFont;
    QFont fixedFont;
}