#include "PreferencesDialog.h"

#include "ui_PreferencesDialog.h"

#include "FileDialog.h"

#include "Settings.h"

#include "MainWindow.h"

#include "FileExtensionManager.h"

#include "ProxyDialog.h"

#include <QDir>

#include <QColorDialog>

#include <QMessageBox>

#include <QKeyEvent>

#include <QStandardPaths>

#include <QStyledItemDelegate>

#include <QSysInfo>

PreferencesDialog::PreferencesDialog(QWidget* parent, Tabs tab)

: QDialog(parent),

ui(new Ui::PreferencesDialog),

m_proxyDialog(new ProxyDialog(this)),

m_dbFileExtensions(Settings::getValue("General", "DBFileExtensions").toString().split(";;"))

{

ui->setupUi(this);

ui->treeSyntaxHighlighting->setColumnHidden(0, true);

ui->fr_bin_bg->installEventFilter(this);

ui->fr_bin_fg->installEventFilter(this);

ui->fr_reg_bg->installEventFilter(this);

ui->fr_reg_fg->installEventFilter(this);

ui->fr_null_bg->installEventFilter(this);

ui->fr_null_fg->installEventFilter(this);

ui->fr_formatted_bg->installEventFilter(this);

ui->fr_formatted_fg->installEventFilter(this);

connect(ui->comboDataBrowserFont, static_cast<void (QFontComboBox::*)(int)>(&QFontComboBox::currentIndexChanged), this, &PreferencesDialog::updatePreviewFont);

connect(ui->spinDataBrowserFontSize, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), this, &PreferencesDialog::updatePreviewFont);

#ifndef CHECKNEWVERSION

ui->labelUpdates->setVisible(false);

ui->checkUpdates->setVisible(false);

#endif

createBuiltinExtensionList();

loadSettings();

connect(ui->appStyleCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(adjustColorsToStyle(int)));

// Avoid different heights due to having check boxes or not

ui->treeSyntaxHighlighting->setUniformRowHeights(true);

// Set current tab

ui->tabWidget->setCurrentIndex(tab);

// Connect 'Export Settings' and 'Import Settings' buttons

connect(ui->buttonExportSettings, &QPushButton::clicked, this, &PreferencesDialog::exportSettings);

connect(ui->buttonImportSettings, &QPushButton::clicked, this, &PreferencesDialog::importSettings);

}

/*

* Destroys the object and frees any allocated resources

*/

PreferencesDialog::~PreferencesDialog()

{

delete ui;

}

void PreferencesDialog::chooseLocation()

{

QString s = FileDialog::getExistingDirectory(

NoSpecificType,

this,

tr("Choose a directory"),

QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);

if(!s.isEmpty())

ui->locationEdit->setText(s);

}

void PreferencesDialog::loadSettings()

{

ui->encodingComboBox->setCurrentIndex(ui->encodingComboBox->findText(Settings::getValue("db", "defaultencoding").toString(), Qt::MatchFixedString));

ui->comboDefaultLocation->setCurrentIndex(Settings::getValue("db", "savedefaultlocation").toInt());

ui->locationEdit->setText(QDir::toNativeSeparators(Settings::getValue("db", "defaultlocation").toString()));

ui->checkPromptSQLTabsInNewProject->setChecked(Settings::getValue("General", "promptsqltabsinnewproject").toBool());

ui->checkRecentFileShortcuts->setChecked(Settings::getValue("General", "recentfileshortcuts").toBool());

ui->checkUpdates->setChecked(Settings::getValue("checkversion", "enabled").toBool());

ui->checkHideSchemaLinebreaks->setChecked(Settings::getValue("db", "hideschemalinebreaks").toBool());

ui->foreignKeysCheckBox->setChecked(Settings::getValue("db", "foreignkeys").toBool());

ui->spinPrefetchSize->setValue(Settings::getValue("db", "prefetchsize").toInt());

ui->editDatabaseDefaultSqlText->setText(Settings::getValue("db", "defaultsqltext").toString());

ui->defaultFieldTypeComboBox->addItems(DBBrowserDB::Datatypes);

int defaultFieldTypeIndex = Settings::getValue("db", "defaultfieldtype").toInt();

if (defaultFieldTypeIndex < DBBrowserDB::Datatypes.count())

{

ui->defaultFieldTypeComboBox->setCurrentIndex(defaultFieldTypeIndex);

}

ui->spinStructureFontSize->setValue(Settings::getValue("db", "fontsize").toInt());

ui->watcherCheckBox->setChecked(Settings::getValue("db", "watcher").toBool());

ui->checkSQLCipherParentDotenvLookup->setChecked(Settings::getValue("db", "sqlcipherparentdotenvlookup").toBool());

// Gracefully handle the preferred Data Browser font not being available

int matchingFont = ui->comboDataBrowserFont->findText(Settings::getValue("databrowser", "font").toString(), Qt::MatchExactly);

if (matchingFont == -1)

matchingFont = ui->comboDataBrowserFont->findText(Settings::getDefaultValue("databrowser", "font").toString());

ui->comboDataBrowserFont->setCurrentIndex(matchingFont);

ui->spinDataBrowserFontSize->setValue(Settings::getValue("databrowser", "fontsize").toInt());

loadColorSetting(ui->fr_null_fg, "null_fg");

loadColorSetting(ui->fr_null_bg, "null_bg");

loadColorSetting(ui->fr_bin_fg, "bin_fg");

loadColorSetting(ui->fr_bin_bg, "bin_bg");

loadColorSetting(ui->fr_reg_fg, "reg_fg");

loadColorSetting(ui->fr_reg_bg, "reg_bg");

loadColorSetting(ui->fr_formatted_fg, "formatted_fg");

loadColorSetting(ui->fr_formatted_bg, "formatted_bg");

ui->spinSymbolLimit->setValue(Settings::getValue("databrowser", "symbol_limit").toInt());

ui->spinCompleteThreshold->setValue(Settings::getValue("databrowser", "complete_threshold").toInt());

ui->checkShowImagesInline->setChecked(Settings::getValue("databrowser", "image_preview").toBool());

ui->checkCellWordWrap->setChecked(Settings::getValue("databrowser", "cell_word_wrap").toBool());

ui->txtNull->setText(Settings::getValue("databrowser", "null_text").toString());

ui->txtBlob->setText(Settings::getValue("databrowser", "blob_text").toString());

ui->editFilterEscape->setText(Settings::getValue("databrowser", "filter_escape").toString());

ui->spinFilterDelay->setValue(Settings::getValue("databrowser", "filter_delay").toInt());

ui->treeSyntaxHighlighting->resizeColumnToContents(1);

for(int i=0; i < ui->treeSyntaxHighlighting->topLevelItemCount(); ++i)

{

std::string name = ui->treeSyntaxHighlighting->topLevelItem(i)->text(0).toStdString();

QString colorname = Settings::getValue("syntaxhighlighter", name + "_colour").toString();

QColor color = QColor(colorname);

ui->treeSyntaxHighlighting->topLevelItem(i)->setForeground(2, color);

ui->treeSyntaxHighlighting->topLevelItem(i)->setBackground(2, color);

ui->treeSyntaxHighlighting->topLevelItem(i)->setText(2, colorname);

// Add font properties except for colour-only entries

if (name != "null" && name != "currentline" &&

name != "background" && name != "foreground" && name != "highlight" &&

name != "selected_fg" && name != "selected_bg") {

ui->treeSyntaxHighlighting->topLevelItem(i)->setCheckState(3, Settings::getValue("syntaxhighlighter", name + "_bold").toBool() ? Qt::Checked : Qt::Unchecked);

ui->treeSyntaxHighlighting->topLevelItem(i)->setCheckState(4, Settings::getValue("syntaxhighlighter", name + "_italic").toBool() ? Qt::Checked : Qt::Unchecked);

ui->treeSyntaxHighlighting->topLevelItem(i)->setCheckState(5, Settings::getValue("syntaxhighlighter", name + "_underline").toBool() ? Qt::Checked : Qt::Unchecked);

}

}

// Gracefully handle the preferred Editor font not being available

matchingFont = ui->comboEditorFont->findText(Settings::getValue("editor", "font").toString(), Qt::MatchExactly);

if (matchingFont == -1)

matchingFont = ui->comboDataBrowserFont->findText(Settings::getDefaultValue("editor", "font").toString());

ui->comboEditorFont->setCurrentIndex(matchingFont);

ui->spinEditorFontSize->setValue(Settings::getValue("editor", "fontsize").toInt());

ui->spinTabSize->setValue(Settings::getValue("editor", "tabsize").toInt());

ui->checkIndentationUseTabs->setChecked(Settings::getValue("editor", "indentation_use_tabs").toBool());

ui->spinLogFontSize->setValue(Settings::getValue("log", "fontsize").toInt());

ui->wrapComboBox->setCurrentIndex(Settings::getValue("editor", "wrap_lines").toInt());

ui->quoteComboBox->setCurrentIndex(Settings::getValue("editor", "identifier_quotes").toInt());

ui->checkAutoCompletion->setChecked(Settings::getValue("editor", "auto_completion").toBool());

ui->checkCompleteUpper->setEnabled(Settings::getValue("editor", "auto_completion").toBool());

ui->checkCompleteUpper->setChecked(Settings::getValue("editor", "upper_keywords").toBool());

ui->checkErrorIndicators->setChecked(Settings::getValue("editor", "error_indicators").toBool());

ui->checkHorizontalTiling->setChecked(Settings::getValue("editor", "horizontal_tiling").toBool());

ui->checkCloseButtonOnTabs->setChecked(Settings::getValue("editor", "close_button_on_tabs").toBool());

ui->listExtensions->addItems(Settings::getValue("extensions", "list").toStringList());

for (int i=0;i<ui->listBuiltinExtensions->count();++i)

{

QListWidgetItem* item = ui->listBuiltinExtensions->item(i);

item->setCheckState(Settings::getValue("extensions", "builtin").toMap().value(item->text()).toBool() ? Qt::Checked : Qt::Unchecked);

}

ui->checkRegexDisabled->setChecked(Settings::getValue("extensions", "disableregex").toBool());

ui->checkAllowLoadExtension->setChecked(Settings::getValue("extensions", "enable_load_extension").toBool());

fillLanguageBox();

ui->appStyleCombo->setCurrentIndex(Settings::getValue("General", "appStyle").toInt());

ui->toolbarStyleComboMain->setCurrentIndex(Settings::getValue("General", "toolbarStyle").toInt());

ui->toolbarStyleComboStructure->setCurrentIndex(Settings::getValue("General", "toolbarStyleStructure").toInt());

ui->toolbarStyleComboBrowse->setCurrentIndex(Settings::getValue("General", "toolbarStyleBrowse").toInt());

ui->toolbarStyleComboSql->setCurrentIndex(Settings::getValue("General", "toolbarStyleSql").toInt());

ui->toolbarStyleComboEditCell->setCurrentIndex(Settings::getValue("General", "toolbarStyleEditCell").toInt());

ui->spinGeneralFontSize->setValue(Settings::getValue("General", "fontsize").toInt());

ui->spinMaxRecentFiles->setValue(Settings::getValue("General", "maxRecentFiles").toInt());

}

void PreferencesDialog::saveSettings(bool accept)

{

QApplication::setOverrideCursor(Qt::WaitCursor);

Settings::setValue("db", "defaultencoding", ui->encodingComboBox->currentText());

Settings::setValue("db", "defaultlocation", ui->locationEdit->text());

Settings::setValue("db", "savedefaultlocation", ui->comboDefaultLocation->currentIndex());

Settings::setValue("db", "hideschemalinebreaks", ui->checkHideSchemaLinebreaks->isChecked());

Settings::setValue("db", "foreignkeys", ui->foreignKeysCheckBox->isChecked());

Settings::setValue("db", "prefetchsize", ui->spinPrefetchSize->value());

Settings::setValue("db", "defaultsqltext", ui->editDatabaseDefaultSqlText->text());

Settings::setValue("db", "defaultfieldtype", ui->defaultFieldTypeComboBox->currentIndex());

Settings::setValue("db", "fontsize", ui->spinStructureFontSize->value());

Settings::setValue("db", "watcher", ui->watcherCheckBox->isChecked());

Settings::setValue("db", "sqlcipherparentdotenvlookup", ui->checkSQLCipherParentDotenvLookup->isChecked());

Settings::setValue("checkversion", "enabled", ui->checkUpdates->isChecked());

Settings::setValue("databrowser", "font", ui->comboDataBrowserFont->currentText());

Settings::setValue("databrowser", "fontsize", ui->spinDataBrowserFontSize->value());

Settings::setValue("databrowser", "image_preview", ui->checkShowImagesInline->isChecked());

Settings::setValue("databrowser", "cell_word_wrap", ui->checkCellWordWrap->isChecked());

saveColorSetting(ui->fr_null_fg, "null_fg");

saveColorSetting(ui->fr_null_bg, "null_bg");

saveColorSetting(ui->fr_reg_fg, "reg_fg");

saveColorSetting(ui->fr_reg_bg, "reg_bg");

saveColorSetting(ui->fr_formatted_fg, "formatted_fg");

saveColorSetting(ui->fr_formatted_bg, "formatted_bg");

saveColorSetting(ui->fr_bin_fg, "bin_fg");

saveColorSetting(ui->fr_bin_bg, "bin_bg");

Settings::setValue("databrowser", "symbol_limit", ui->spinSymbolLimit->value());

Settings::setValue("databrowser", "complete_threshold", ui->spinCompleteThreshold->value());

Settings::setValue("databrowser", "null_text", ui->txtNull->text());

Settings::setValue("databrowser", "blob_text", ui->txtBlob->text());

Settings::setValue("databrowser", "filter_escape", ui->editFilterEscape->text());

Settings::setValue("databrowser", "filter_delay", ui->spinFilterDelay->value());

for(int i=0; i < ui->treeSyntaxHighlighting->topLevelItemCount(); ++i)

{

std::string name = ui->treeSyntaxHighlighting->topLevelItem(i)->text(0).toStdString();

Settings::setValue("syntaxhighlighter", name + "_colour", ui->treeSyntaxHighlighting->topLevelItem(i)->text(2));

Settings::setValue("syntaxhighlighter", name + "_bold", ui->treeSyntaxHighlighting->topLevelItem(i)->checkState(3) == Qt::Checked);

Settings::setValue("syntaxhighlighter", name + "_italic", ui->treeSyntaxHighlighting->topLevelItem(i)->checkState(4) == Qt::Checked);

Settings::setValue("syntaxhighlighter", name + "_underline", ui->treeSyntaxHighlighting->topLevelItem(i)->checkState(5) == Qt::Checked);

}

Settings::setValue("editor", "font", ui->comboEditorFont->currentText());

Settings::setValue("editor", "fontsize", ui->spinEditorFontSize->value());

Settings::setValue("editor", "tabsize", ui->spinTabSize->value());

Settings::setValue("editor", "indentation_use_tabs", ui->checkIndentationUseTabs->isChecked());

Settings::setValue("log", "fontsize", ui->spinLogFontSize->value());

Settings::setValue("editor", "wrap_lines", ui->wrapComboBox->currentIndex());

Settings::setValue("editor", "identifier_quotes", ui->quoteComboBox->currentIndex());

Settings::setValue("editor", "auto_completion", ui->checkAutoCompletion->isChecked());

Settings::setValue("editor", "upper_keywords", ui->checkCompleteUpper->isChecked());

Settings::setValue("editor", "error_indicators", ui->checkErrorIndicators->isChecked());

Settings::setValue("editor", "horizontal_tiling", ui->checkHorizontalTiling->isChecked());

Settings::setValue("editor", "close_button_on_tabs", ui->checkCloseButtonOnTabs->isChecked());

QStringList extList;

for(int i=0;i<ui->listExtensions->count();++i)

extList.append(ui->listExtensions->item(i)->text());

Settings::setValue("extensions", "list", extList);

Settings::setValue("extensions", "disableregex", ui->checkRegexDisabled->isChecked());

Settings::setValue("extensions", "enable_load_extension", ui->checkAllowLoadExtension->isChecked());

QVariantMap builtinExtList;

for (int i=0;i<ui->listBuiltinExtensions->count();++i)

builtinExtList.insert(ui->listBuiltinExtensions->item(i)->text(), ui->listBuiltinExtensions->item(i)->checkState());

Settings::setValue("extensions", "builtin", QVariant::fromValue(builtinExtList));

// Warn about restarting to change language

QVariant newLanguage = ui->languageComboBox->itemData(ui->languageComboBox->currentIndex());

if (newLanguage != Settings::getValue("General", "language"))

QMessageBox::information(this, QApplication::applicationName(),

tr("The language will change after you restart the application."));

Settings::setValue("General", "language", newLanguage);

Settings::setValue("General", "appStyle", ui->appStyleCombo->currentIndex());

Settings::setValue("General", "toolbarStyle", ui->toolbarStyleComboMain->currentIndex());

Settings::setValue("General", "toolbarStyleStructure", ui->toolbarStyleComboStructure->currentIndex());

Settings::setValue("General", "toolbarStyleBrowse", ui->toolbarStyleComboBrowse->currentIndex());

Settings::setValue("General", "toolbarStyleSql", ui->toolbarStyleComboSql->currentIndex());

Settings::setValue("General", "toolbarStyleEditCell", ui->toolbarStyleComboEditCell->currentIndex());

Settings::setValue("General", "DBFileExtensions", m_dbFileExtensions.join(";;") );

Settings::setValue("General", "fontsize", ui->spinGeneralFontSize->value());

Settings::setValue("General", "maxRecentFiles", ui->spinMaxRecentFiles->value());

Settings::setValue("General", "recentfileshortcuts", ui->checkRecentFileShortcuts->isChecked());

Settings::setValue("General", "promptsqltabsinnewproject", ui->checkPromptSQLTabsInNewProject->isChecked());

m_proxyDialog->saveSettings();

if(accept)

PreferencesDialog::accept();

QApplication::restoreOverrideCursor();

}

void PreferencesDialog::showColourDialog(QTreeWidgetItem* item, int column)

{

QString text = item->text(column);

if(!text.size() || text.at(0) != '#')

return;

QColor colour = QColorDialog::getColor(text, this);

if(colour.isValid())

{

item->setForeground(column, colour);

item->setBackground(column, colour);

item->setText(column, colour.name());

}

}

bool PreferencesDialog::eventFilter(QObject *obj, QEvent *event)

{

// Use mouse click and enter press on the frames to pop up a colour dialog

if (obj == ui->fr_bin_bg || obj == ui->fr_bin_fg ||

obj == ui->fr_reg_bg || obj == ui->fr_reg_fg ||

obj == ui->fr_formatted_bg || obj == ui->fr_formatted_fg ||

obj == ui->fr_null_bg || obj == ui->fr_null_fg)

{

if (event->type() == QEvent::KeyPress)

{

QKeyEvent *key = static_cast<QKeyEvent *>(event);

// Not interesting, so send to the parent (might be shortcuts)

if((key->key() != Qt::Key_Enter) && (key->key() != Qt::Key_Return))

{

return QDialog::eventFilter(obj, event);

}

}

else if (event->type() != QEvent::MouseButtonPress)

{

// Not a key event neither a mouse event, send to the parent

return QDialog::eventFilter(obj, event);

}

QFrame *frame = qobject_cast<QFrame *>(obj);

QColor oldColour = frame->palette().color(frame->backgroundRole());

QColor colour = QColorDialog::getColor(oldColour, frame);

if (colour.isValid())

{

setColorSetting(frame, colour);

}

// Consume

return true;

}

// Send any other events to the parent

return QDialog::eventFilter(obj, event);

}

void PreferencesDialog::addExtension()

{

QString file = FileDialog::getOpenFileName(

OpenExtensionFile,

this,

tr("Select extension file"),

tr("Extensions(*.so *.dylib *.dll);;All files(*)"));

if(QFile::exists(file))

ui->listExtensions->addItem(file);

}

void PreferencesDialog::removeExtension()

{

if(ui->listExtensions->currentIndex().isValid())

ui->listExtensions->takeItem(ui->listExtensions->currentIndex().row());

}

void PreferencesDialog::createBuiltinExtensionList()

{

QDir dir;

QStringList files;

// If we upgrade Qt framework version to 6.x at some point, use 'macos' instead of 'osx.'

// For further information, see the https://doc.qt.io/qt-6/qsysinfo.html

if (QSysInfo::productType() == "osx") {

dir.setPath(qApp->applicationDirPath() + "/../Extensions/");

files = dir.entryList(QStringList() << "*.dylib", QDir::Files);

}

else if (QSysInfo::productType() == "windows") {

dir.setPath(qApp->applicationDirPath() + "/extensions/");

files = dir.entryList(QStringList() << "*.dll", QDir::Files);

}

else {

const QString productType (QSysInfo::productType());

const QString cpuArchitecture (QSysInfo::currentCpuArchitecture());

if (productType == "fedora" || productType == "redhat") {

if (cpuArchitecture.contains("64"))

dir.setPath("/usr/lib64/");

else

dir.setPath("/usr/lib/");

} else {

if (cpuArchitecture == "arm") {

dir.setPath("/usr/lib/aarch-linux-gnu/");

} else if (cpuArchitecture == "arm64") {

dir.setPath("/usr/lib/aarch64-linux-gnu/");

} else if (cpuArchitecture == "i386") {

dir.setPath("/usr/lib/i386-linux-gnu/");

} else if (cpuArchitecture == "x86_64") {

dir.setPath("/usr/lib/x86_64-linux-gnu/");

} else {

dir.setPath("/usr/lib/");

}

}

// There is no single naming convention for SQLite extension libraries,

// but this gives good results, at least on Debian based systems.

// The patterns have to exclude "libsqlite3.so", which is the SQLite3

// library, not an extension.

files = dir.entryList(QStringList()

<< "libsqlite3[!.]*.so"

<< "mod_*.so"

<< "lib?*sqlite*.so", QDir::Files);

}

for (const QString& file: files) {

QString absoluteFilePath = dir.absoluteFilePath(file);

QListWidgetItem* item = new QListWidgetItem(absoluteFilePath, ui->listBuiltinExtensions);

item->setFlags(item->flags() | Qt::ItemIsUserCheckable);

// The check state is redetermined after the 'loadSettings()' function call.

item->setCheckState(Qt::Unchecked);

ui->listBuiltinExtensions->addItem(item);

}

}

void PreferencesDialog::fillLanguageBox()

{

QDir translationsDir(QCoreApplication::applicationDirPath() + "/translations",

"sqlb_*.qm");

QLocale systemLocale = QLocale::system();

// Add default language

if (systemLocale.name() == "en_US")

{

ui->languageComboBox->addItem(QIcon(":/flags/en_US"),

"English (United States) [System Language]",

"en_US");

}

else

{

ui->languageComboBox->addItem(QIcon(":/flags/en_US"),

"English (United States) [Default Language]",

"en_US");

}

// Get available *.qm files from translation dir near executable as well as from resources

QFileInfoList file_infos = translationsDir.entryInfoList();

file_infos += QDir(":/translations").entryInfoList();

for(const QFileInfo& file : qAsConst(file_infos))

{

QLocale locale(file.baseName().remove("sqlb_"));

// Skip invalid locales

if(locale.name() == "C")

continue;

// Skip translations that were already loaded

if (ui->languageComboBox->findData(locale.name(), Qt::UserRole, Qt::MatchExactly) != -1)

continue;

QString language = QLocale::languageToString(locale.language()) + " (" +

QLocale::countryToString(locale.country()) + ")";

if (locale == systemLocale)

language += " [System language]";

ui->languageComboBox->addItem(QIcon(":/flags/" + locale.name()), language, locale.name());

}

ui->languageComboBox->model()->sort(0);

// Try to select the language for the stored locale

int index = ui->languageComboBox->findData(Settings::getValue("General", "language"),

Qt::UserRole, Qt::MatchExactly);

// If there's no translation for the current locale, default to English

if(index < 0)

index = ui->languageComboBox->findData("en_US", Qt::UserRole, Qt::MatchExactly);

QString chosenLanguage = ui->languageComboBox->itemText(index);

QVariant chosenLocale = ui->languageComboBox->itemData(index);

QIcon chosenIcon = ui->languageComboBox->itemIcon(index);

// There's no "move" method, so we remove and add the chosen language again at the top

ui->languageComboBox->removeItem(index);

ui->languageComboBox->insertItem(0, chosenIcon, chosenLanguage, chosenLocale);

ui->languageComboBox->setCurrentIndex(0);

// This is a workaround needed for QDarkStyleSheet.

// See https://github.com/ColinDuquesnoy/QDarkStyleSheet/issues/169

QStyledItemDelegate* styledItemDelegate = new QStyledItemDelegate(ui->languageComboBox);

ui->languageComboBox->setItemDelegate(styledItemDelegate);

}

void PreferencesDialog::loadColorSetting(QFrame *frame, const std::string& settingName)

{

QColor color = QColor(Settings::getValue("databrowser", settingName + "_colour").toString());

setColorSetting(frame, color);

}

void PreferencesDialog::setColorSetting(QFrame *frame, const QColor &color)

{

QPalette::ColorRole role;

QLineEdit *line;

if (frame == ui->fr_bin_bg) {

line = ui->txtBlob;

role = line->backgroundRole();

} else if (frame == ui->fr_bin_fg) {

line = ui->txtBlob;

role = line->foregroundRole();

} else if (frame == ui->fr_reg_bg) {

line = ui->txtRegular;

role = line->backgroundRole();

} else if (frame == ui->fr_reg_fg) {

line = ui->txtRegular;

role = line->foregroundRole();

} else if (frame == ui->fr_formatted_bg) {

line = ui->txtFormatted;

role = line->backgroundRole();

} else if (frame == ui->fr_formatted_fg) {

line = ui->txtFormatted;

role = line->foregroundRole();

} else if (frame == ui->fr_null_bg) {

line = ui->txtNull;

role = line->backgroundRole();

} else if (frame == ui->fr_null_fg) {

line = ui->txtNull;

role = line->foregroundRole();

} else

return;

QPalette palette = frame->palette();

palette.setColor(frame->backgroundRole(), color);

frame->setPalette(palette);

frame->setStyleSheet(QString(".QFrame {background-color: %2}").arg(color.name()));

palette = line->palette();

palette.setColor(role, color);

line->setPalette(palette);

line->setStyleSheet(QString(".QLineEdit {color: %1; background-color: %2}").arg(palette.color(line->foregroundRole()).name(),

palette.color(line->backgroundRole()).name()));

}

void PreferencesDialog::saveColorSetting(QFrame* frame, const std::string& settingName)

{

Settings::setValue("databrowser", settingName + "_colour",

frame->palette().color(frame->backgroundRole()));

}

void PreferencesDialog::adjustColorsToStyle(int style)

{

Settings::AppStyle appStyle = static_cast<Settings::AppStyle>(style);

setColorSetting(ui->fr_null_fg, Settings::getDefaultColorValue("databrowser", "null_fg_colour", appStyle));

setColorSetting(ui->fr_null_bg, Settings::getDefaultColorValue("databrowser", "null_bg_colour", appStyle));

setColorSetting(ui->fr_bin_fg, Settings::getDefaultColorValue("databrowser", "bin_fg_colour", appStyle));

setColorSetting(ui->fr_bin_bg, Settings::getDefaultColorValue("databrowser", "bin_bg_colour", appStyle));

setColorSetting(ui->fr_reg_fg, Settings::getDefaultColorValue("databrowser", "reg_fg_colour", appStyle));

setColorSetting(ui->fr_reg_bg, Settings::getDefaultColorValue("databrowser", "reg_bg_colour", appStyle));

setColorSetting(ui->fr_formatted_fg, Settings::getDefaultColorValue("databrowser", "formatted_fg_colour", appStyle));

setColorSetting(ui->fr_formatted_bg, Settings::getDefaultColorValue("databrowser", "formatted_bg_colour", appStyle));

for(int i=0; i < ui->treeSyntaxHighlighting->topLevelItemCount(); ++i)

{

std::string name = ui->treeSyntaxHighlighting->topLevelItem(i)->text(0).toStdString();

QColor color = Settings::getDefaultColorValue("syntaxhighlighter", name + "_colour", appStyle);

ui->treeSyntaxHighlighting->topLevelItem(i)->setForeground(2, color);

ui->treeSyntaxHighlighting->topLevelItem(i)->setBackground(2, color);

ui->treeSyntaxHighlighting->topLevelItem(i)->setText(2, color.name());

}

}

void PreferencesDialog::updatePreviewFont()

{

if (ui->spinDataBrowserFontSize->value() != 0) {

QFont textFont(ui->comboDataBrowserFont->currentText());

textFont.setPointSize(ui->spinDataBrowserFontSize->value());

ui->txtRegular->setFont(textFont);

ui->txtFormatted->setFont(textFont);

textFont.setItalic(true);

ui->txtNull->setFont(textFont);

ui->txtBlob->setFont(textFont);

}

}

void PreferencesDialog::showFileExtensionManager()

{

FileExtensionManager *manager = new FileExtensionManager(m_dbFileExtensions, this);

if(manager->exec() == QDialog::Accepted)

{

m_dbFileExtensions = manager->getDBFileExtensions();

}

}

void PreferencesDialog::buttonBoxClicked(QAbstractButton* button)

{

if (button == ui->buttonBox->button(QDialogButtonBox::Cancel))

reject();

else if (button == ui->buttonBox->button(QDialogButtonBox::Save))

saveSettings();

else if (button == ui->buttonBox->button(QDialogButtonBox::RestoreDefaults)) {

if (QMessageBox::warning(this, QApplication::applicationName(), tr("Are you sure you want to clear all the saved settings?\nAll your preferences will be lost and default values will be used."),

QMessageBox::RestoreDefaults | QMessageBox::Cancel, QMessageBox::Cancel) == QMessageBox::RestoreDefaults)

{

Settings::restoreDefaults();

accept();

}

}

}

void PreferencesDialog::configureProxy()

{

m_proxyDialog->show();

}

void PreferencesDialog::exportSettings()

{

saveSettings(false);

const QString fileName = FileDialog::getSaveFileName(CreateSettingsFile, this, tr("Save Settings File"), tr("Initialization File (*.ini)"));

if(!fileName.isEmpty())

{

Settings::exportSettings(fileName);

QMessageBox::information(this, QApplication::applicationName(), (tr("The settings file has been saved in location :\n") + fileName));

}

}

void PreferencesDialog::importSettings()

{

const QString fileName = FileDialog::getOpenFileName(OpenSettingsFile, this, tr("Open Settings File"), tr("Initialization File (*.ini)"));

const QVariant existingLanguage = Settings::getValue("General", "language");

if(!fileName.isEmpty())

{

if(Settings::importSettings(fileName))

{

QMessageBox::information(this, QApplication::applicationName(), tr("The settings file was loaded properly."));

if (existingLanguage != Settings::getValue("General", "language"))

QMessageBox::information(this, QApplication::applicationName(),

tr("The language will change after you restart the application."));

accept();

} else {

QMessageBox::critical(this, QApplication::applicationName(), tr("The selected settings file is not a normal settings file.\nPlease check again."));

}

}

}