: QMainWindow(parent),

ui(new Ui::MainWindow),

db(),

editDock(new EditDialog(this)),

plotDock(new PlotDock(this)),

remoteDock(new RemoteDock(this)),

currentTableBrowser(nullptr),

findReplaceDialog(new FindReplaceDialog(this)),

execute_sql_worker(nullptr),

isProjectModified(false)

{

ui->setupUi(this);

init();

activateFields(false);

updateRecentFileActions();

{

// Load window settings

tabifyDockWidget(ui->dockLog, ui->dockPlot);

tabifyDockWidget(ui->dockLog, ui->dockSchema);

tabifyDockWidget(ui->dockLog, ui->dockRemote);

#ifdef Q_OS_MACX

// Add OpenGL Context for macOS

QOpenGLWidget *ogl = new QOpenGLWidget(this);

ui->verticalLayout->addWidget(ogl);

ogl->setHidden(true);

#endif

// Automatic update check

#ifdef CHECKNEWVERSION

// Check for a new version if automatic update check aren't disabled in the settings dialog

if(Settings::getValue("checkversion", "enabled").toBool())

{

RemoteNetwork::get().fetch(QUrl("https://download.sqlitebrowser.org/currentrelease"), RemoteNetwork::RequestTypeCustom,

QString(), [this](const QByteArray& reply) {

QList<QByteArray> info = reply.split('\n');

if(info.size() >= 2)

{

QString version = info.at(0).trimmed();

QString url = info.at(1).trimmed();

checkNewVersion(version, url);

}

});

}

#endif

// create facade objects to dbTreeWidgets

dbSelected = new DbStructureQItemViewFacade(*ui->dbTreeWidget);

dockDbSelected = new DbStructureQItemViewFacade(*ui->treeSchemaDock);

// Connect SQL logging and database state setting to main window

connect(&db, &DBBrowserDB::dbChanged, this, &MainWindow::dbState, Qt::QueuedConnection);

connect(&db, &DBBrowserDB::sqlExecuted, this, &MainWindow::logSql, Qt::QueuedConnection);

connect(&db, &DBBrowserDB::requestCollation, this, &MainWindow::requestCollation);

// Set up DB structure tab

dbStructureModel = new DbStructureModel(db, this);

connect(&db, &DBBrowserDB::structureUpdated, this, [this]() {

std::vector<sqlb::ObjectIdentifier> old_tables;

for(const auto& d : allTableBrowserDocks())

old_tables.push_back(d->tableBrowser()->currentlyBrowsedTableName());

dbStructureModel->reloadData();

populateStructure(old_tables);

});

ui->dbTreeWidget->setModel(dbStructureModel);

ui->dbTreeWidget->setColumnWidth(DbStructureModel::ColumnName, 300);

ui->dbTreeWidget->setColumnHidden(DbStructureModel::ColumnObjectType, true);

ui->dbTreeWidget->setColumnHidden(DbStructureModel::ColumnSchema, true);

// Set up DB schema dock

ui->treeSchemaDock->setModel(dbStructureModel);

ui->treeSchemaDock->setColumnHidden(DbStructureModel::ColumnObjectType, true);

ui->treeSchemaDock->setColumnHidden(DbStructureModel::ColumnSchema, true);

// Create initial table browser tab

ui->tabBrowsers->setWindowFlags(Qt::Widget);

ui->tabBrowsers->setTabPosition(Qt::AllDockWidgetAreas, QTabWidget::North);

newTableBrowserTab();

// Create docks

ui->dockEdit->setWidget(editDock);

ui->dockPlot->setWidget(plotDock);

ui->dockRemote->setWidget(remoteDock);

// Set up edit dock

editDock->setReadOnly(true);

// Restore window geometry

restoreGeometry(Settings::getValue("MainWindow", "geometry").toByteArray());

// Save default and restore window state

defaultWindowState = saveState();

restoreState(Settings::getValue("MainWindow", "windowState").toByteArray());

// Save default and restore open tab order if the openTabs setting is saved.

defaultOpenTabs = saveOpenTabs();

restoreOpenTabs(Settings::getValue("MainWindow", "openTabs").toString());

// Restore dock state settings

ui->comboLogSubmittedBy->setCurrentIndex(ui->comboLogSubmittedBy->findText(Settings::getValue("SQLLogDock", "Log").toString()));

// Add keyboard shortcuts

QShortcut* shortcutBrowseRefreshF5 = new QShortcut(QKeySequence("F5"), this);

connect(shortcutBrowseRefreshF5, &QShortcut::activated, this, &MainWindow::refresh);

QShortcut* shortcutBrowseRefreshCtrlR = new QShortcut(QKeySequence("Ctrl+R"), this);

connect(shortcutBrowseRefreshCtrlR, &QShortcut::activated, this, &MainWindow::refresh);

QShortcut* shortcutBrowseRefreshCtrlEnter = new QShortcut(QKeySequence("Ctrl+Enter"), this);

connect(shortcutBrowseRefreshCtrlEnter, &QShortcut::activated, this, &MainWindow::refresh);

// Add print shortcut for the DB Structure tab (dbTreeWidget) with context to the widget, so other print shortcuts aren't eclipsed.

QShortcut* shortcutPrint = new QShortcut(QKeySequence(QKeySequence::Print), ui->dbTreeWidget, nullptr, nullptr, Qt::WidgetShortcut);

connect(shortcutPrint, &QShortcut::activated, this, &MainWindow::printDbStructure);

QShortcut* closeTabShortcut = new QShortcut(tr("Ctrl+W"), ui->tabSqlAreas, nullptr, nullptr, Qt::WidgetWithChildrenShortcut);

connect(closeTabShortcut, &QShortcut::activated, this, [this]() {

if(ui->tabSqlAreas->currentIndex() >= 0)

closeSqlTab(ui->tabSqlAreas->currentIndex());

});

// Shortcuts for advancing and going back in the SQL Execution area tabs, independently of the widget which has focus.

// This emulates the shortcuts provided by QTabWidget.

QShortcut* shortcutNextTab = new QShortcut(QKeySequence(tr("Ctrl+Tab")), ui->tabSqlAreas, nullptr, nullptr, Qt::WidgetWithChildrenShortcut);

connect(shortcutNextTab, &QShortcut::activated, this, [this]() {

if(ui->tabSqlAreas->currentIndex() == ui->tabSqlAreas->count() - 1)

ui->tabSqlAreas->setCurrentIndex(0);

else

ui->tabSqlAreas->setCurrentIndex(ui->tabSqlAreas->currentIndex() + 1);

focusSqlEditor();

});

QShortcut* shortcutPreviousTab = new QShortcut(QKeySequence(tr("Ctrl+Shift+Tab")), ui->tabSqlAreas, nullptr, nullptr, Qt::WidgetWithChildrenShortcut);

connect(shortcutPreviousTab, &QShortcut::activated, this, [this]() {

if(ui->tabSqlAreas->currentIndex() == 0)

ui->tabSqlAreas->setCurrentIndex(ui->tabSqlAreas->count() - 1);

else

ui->tabSqlAreas->setCurrentIndex(ui->tabSqlAreas->currentIndex() - 1);

focusSqlEditor();

});

// This is the counterpart of Ctrl+PgDown in SQL editor, which focus out of the editor.

// This one sets the focus again in the editor.

QShortcut* shortcutFocusEditor = new QShortcut(QKeySequence(tr("Ctrl+PgUp")), ui->tabSqlAreas, nullptr, nullptr, Qt::WidgetWithChildrenShortcut);

connect(shortcutFocusEditor, &QShortcut::activated, this, &MainWindow::focusSqlEditor);

// Get MaxRecentFiles value from QSettings.

MaxRecentFiles = Settings::getValue("General", "maxRecentFiles").toInt();

recentFileActs.resize(MaxRecentFiles);

// Create the actions for the recently opened dbs list

for(int i = 0; i < MaxRecentFiles; ++i) {

recentFileActs[i] = new QAction(this);

recentFileActs[i]->setVisible(false);

connect(recentFileActs[i], &QAction::triggered, this, &MainWindow::openRecentFile);

}

for(int i = 0; i < MaxRecentFiles; ++i)

ui->fileRecentFiles->insertAction(ui->fileExitAction, recentFileActs[i]);

recentSeparatorAct = ui->fileRecentFiles->insertSeparator(ui->fileExitAction);

clearRecentFilesAction = ui->fileRecentFiles->addAction(tr("Clear List"));

ui->fileRecentFiles->insertAction(ui->fileExitAction, clearRecentFilesAction);

connect(clearRecentFilesAction, &QAction::triggered, this, &MainWindow::clearRecentFiles);

// Create popup menus

popupTableMenu = new QMenu(this);

popupTableMenu->addAction(ui->actionEditBrowseTable);

popupTableMenu->addAction(ui->editModifyObjectAction);

popupTableMenu->addAction(ui->editDeleteObjectAction);

popupTableMenu->addAction(ui->fileDetachAction);

popupTableMenu->addSeparator();

popupTableMenu->addAction(ui->actionEditCopyCreateStatement);

popupTableMenu->addAction(ui->actionExportCsvPopup);

popupSchemaDockMenu = new QMenu(this);

popupSchemaDockMenu->addAction(ui->actionPopupSchemaDockBrowseTable);

popupSchemaDockMenu->addAction(ui->actionPopupSchemaDockDetachDatabase);

popupSchemaDockMenu->addSeparator();

popupSchemaDockMenu->addAction(ui->actionDropQualifiedCheck);

popupSchemaDockMenu->addAction(ui->actionEnquoteNamesCheck);

popupOpenDbMenu = new QMenu(this);

popupOpenDbMenu->addAction(ui->fileOpenAction);

popupOpenDbMenu->addAction(ui->fileOpenReadOnlyAction);

ui->fileOpenActionPopup->setMenu(popupOpenDbMenu);

popupSaveSqlFileMenu = new QMenu(this);

popupSaveSqlFileMenu->addAction(ui->actionSqlSaveFile);

popupSaveSqlFileMenu->addAction(ui->actionSqlSaveFileAs);

ui->actionSqlSaveFilePopup->setMenu(popupSaveSqlFileMenu);

popupSaveSqlResultsMenu = new QMenu(this);

popupSaveSqlResultsMenu->addAction(ui->actionSqlResultsExportCsv);

popupSaveSqlResultsMenu->addAction(ui->actionSqlResultsSaveAsView);

ui->actionSqlResultsSave->setMenu(popupSaveSqlResultsMenu);

qobject_cast<QToolButton*>(ui->toolbarSql->widgetForAction(ui->actionSqlResultsSave))->setPopupMode(QToolButton::InstantPopup);

// Add menu item for log dock

ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockLog->toggleViewAction());

ui->viewMenu->actions().at(0)->setShortcut(QKeySequence(tr("Ctrl+L")));

ui->viewMenu->actions().at(0)->setIcon(QIcon(":/icons/log_dock"));

// Add menu item for plot dock

ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockPlot->toggleViewAction());

ui->viewMenu->actions().at(1)->setShortcut(QKeySequence(tr("Ctrl+D")));

ui->viewMenu->actions().at(1)->setIcon(QIcon(":/icons/log_dock"));

// Add menu item for schema dock

ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockSchema->toggleViewAction());

ui->viewMenu->actions().at(2)->setShortcut(QKeySequence(tr("Ctrl+I")));

ui->viewMenu->actions().at(2)->setIcon(QIcon(":/icons/log_dock"));

// Add menu item for edit dock

ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockEdit->toggleViewAction());

ui->viewMenu->actions().at(3)->setShortcut(QKeySequence(tr("Ctrl+E")));

ui->viewMenu->actions().at(3)->setIcon(QIcon(":/icons/log_dock"));

// Add menu item for plot dock

ui->viewMenu->insertAction(ui->viewDBToolbarAction, ui->dockRemote->toggleViewAction());

ui->viewMenu->actions().at(4)->setIcon(QIcon(":/icons/log_dock"));

// Set checked state if toolbar is visible

ui->viewDBToolbarAction->setChecked(!ui->toolbarDB->isHidden());

ui->viewExtraDBToolbarAction->setChecked(!ui->toolbarExtraDB->isHidden());

ui->viewProjectToolbarAction->setChecked(!ui->toolbarProject->isHidden());

// Add separator between docks and toolbars

ui->viewMenu->insertSeparator(ui->viewDBToolbarAction);

// Connect the tabCloseRequested to the actual closeTab function.

// This must be done before the connections for checking the actions in the View menu so

// they are updated accordingly.

connect(ui->mainTab, &QTabWidget::tabCloseRequested, this, &MainWindow::closeTab);

// Add entries for toggling the visibility of main tabs

for (QWidget* widget : {ui->structure, ui->browser, ui->pragmas, ui->query}) {

QAction* action = ui->viewMenu->addAction(QIcon(":/icons/open_sql"), widget->accessibleName());

action->setObjectName(widget->accessibleName());

action->setCheckable(true);

action->setChecked(ui->mainTab->indexOf(widget) != -1);

connect(action, &QAction::toggled, this, [=](bool show) { toggleTabVisible(widget, show); });

// Connect tabCloseRequested for setting checked the appropriate menu entry.

// Note these are called after the actual tab is closed only because they are connected

// after connecting closeTab.

connect(ui->mainTab, &QTabWidget::tabCloseRequested, this, [=](int /*index*/) {

action->setChecked(ui->mainTab->indexOf(widget) != -1);

});

}

ui->viewMenu->addSeparator();

QMenu* layoutMenu = new QMenu(tr("Window Layout"), this);

ui->viewMenu->addMenu(layoutMenu);

QAction* resetLayoutAction = layoutMenu->addAction(tr("Reset Window Layout"));

resetLayoutAction->setShortcut(QKeySequence(tr("Alt+0")));

connect(resetLayoutAction, &QAction::triggered, this, [=]() {

restoreState(defaultWindowState);

restoreOpenTabs(defaultOpenTabs);

ui->viewDBToolbarAction->setChecked(!ui->toolbarDB->isHidden());

ui->viewExtraDBToolbarAction->setChecked(!ui->toolbarExtraDB->isHidden());

ui->viewProjectToolbarAction->setChecked(!ui->toolbarProject->isHidden());

});

QAction* simplifyLayoutAction = layoutMenu->addAction(tr("Simplify Window Layout"));

simplifyLayoutAction->setShortcut(QKeySequence(tr("Shift+Alt+0")));

connect(simplifyLayoutAction, &QAction::triggered, this, [=]() {

ui->viewMenu->findChild<QAction *>(ui->pragmas->accessibleName())->activate(QAction::Trigger);

ui->dockLog->hide();

ui->dockPlot->hide();

ui->dockSchema->hide();

ui->dockEdit->hide();

ui->dockRemote->hide();

});

QAction* atBottomLayoutAction = layoutMenu->addAction(tr("Dock Windows at Bottom"));

connect(atBottomLayoutAction, &QAction::triggered, this, [=]() {

moveDocksTo(Qt::BottomDockWidgetArea);

});

QAction* atLeftLayoutAction = layoutMenu->addAction(tr("Dock Windows at Left Side"));

connect(atLeftLayoutAction, &QAction::triggered, this, [=]() {

moveDocksTo(Qt::LeftDockWidgetArea);

});

QAction* atTopLayoutAction = layoutMenu->addAction(tr("Dock Windows at Top"));

connect(atTopLayoutAction, &QAction::triggered, this, [=]() {

moveDocksTo(Qt::TopDockWidgetArea);

});

// Set Alt+[1-4] shortcuts for opening the corresponding tab in that position.

// Note that it is safe to call setCurrentIndex with a tab that is currently closed,

// since setCurrentIndex does nothing in that case.

QShortcut* setTab1Shortcut = new QShortcut(QKeySequence("Alt+1"), this);

connect(setTab1Shortcut, &QShortcut::activated, this, [this]() { ui->mainTab->setCurrentIndex(0); });

QShortcut* setTab2Shortcut = new QShortcut(QKeySequence("Alt+2"), this);

connect(setTab2Shortcut, &QShortcut::activated, this, [this]() { ui->mainTab->setCurrentIndex(1); });

QShortcut* setTab3Shortcut = new QShortcut(QKeySequence("Alt+3"), this);

connect(setTab3Shortcut, &QShortcut::activated, this, [this]() { ui->mainTab->setCurrentIndex(2); });

QShortcut* setTab4Shortcut = new QShortcut(QKeySequence("Alt+4"), this);

connect(setTab4Shortcut, &QShortcut::activated, this, [this]() { ui->mainTab->setCurrentIndex(3); });

// If we're not compiling in SQLCipher, hide its FAQ link in the help menu

#ifndef ENABLE_SQLCIPHER

ui->actionSqlCipherFaq->setVisible(false);

#endif

// Set statusbar fields

statusBusyLabel = new QLabel(ui->statusbar);

statusBusyLabel->setEnabled(false);

statusBusyLabel->setVisible(false);

statusBusyLabel->setToolTip(tr("The database is currenctly busy."));

ui->statusbar->addPermanentWidget(statusBusyLabel);

statusStopButton = new QToolButton(ui->statusbar);

statusStopButton->setVisible(false);

statusStopButton->setIcon(QIcon(":icons/cancel"));

statusStopButton->setToolTip(tr("Click here to interrupt the currently running query."));

statusStopButton->setMaximumSize(ui->statusbar->geometry().height() - 6, ui->statusbar->geometry().height() - 6);

statusStopButton->setAutoRaise(true);

ui->statusbar->addPermanentWidget(statusStopButton);

statusEncryptionLabel = new QLabel(ui->statusbar);

statusEncryptionLabel->setEnabled(false);

statusEncryptionLabel->setVisible(false);

statusEncryptionLabel->setText(tr("Encrypted"));

statusEncryptionLabel->setToolTip(tr("Database is encrypted using SQLCipher"));

ui->statusbar->addPermanentWidget(statusEncryptionLabel);

statusReadOnlyLabel = new QLabel(ui->statusbar);

statusReadOnlyLabel->setEnabled(false);

statusReadOnlyLabel->setVisible(false);

statusReadOnlyLabel->setText(tr("Read only"));

statusReadOnlyLabel->setToolTip(tr("Database file is read only. Editing the database is disabled."));

ui->statusbar->addPermanentWidget(statusReadOnlyLabel);

statusEncodingLabel = new QLabel(ui->statusbar);

statusEncodingLabel->setEnabled(false);

statusEncodingLabel->setText("UTF-8");

statusEncodingLabel->setToolTip(tr("Database encoding"));

ui->statusbar->addPermanentWidget(statusEncodingLabel);

// When changing the text of the toolbar actions, also automatically change their icon text and their tooltip text

connect(ui->editModifyObjectAction, &QAction::changed, this, [=]() {

ui->editModifyObjectAction->setIconText(ui->editModifyObjectAction->text());

ui->editModifyObjectAction->setToolTip(ui->editModifyObjectAction->text());

});

connect(ui->editDeleteObjectAction, &QAction::changed, this, [=]() {

ui->editDeleteObjectAction->setIconText(ui->editDeleteObjectAction->text());

ui->editDeleteObjectAction->setToolTip(ui->editDeleteObjectAction->text());

});

// When clicking the interrupt query button in the status bar, ask SQLite to interrupt the current query

connect(statusStopButton, &QToolButton::clicked, this, [this]() {

db.interruptQuery();

});

// Connect some more signals and slots

connect(editDock, &EditDialog::recordTextUpdated, this, &MainWindow::updateRecordText);

connect(editDock, &EditDialog::evaluateText, this, &MainWindow::evaluateText);

connect(editDock, &EditDialog::requestUrlOrFileOpen, this, &MainWindow::openUrlOrFile);

connect(ui->dbTreeWidget->selectionModel(), &QItemSelectionModel::selectionChanged, this, &MainWindow::changeTreeSelection);

connect(ui->dockEdit, &QDockWidget::visibilityChanged, this, &MainWindow::toggleEditDock);

connect(remoteDock, SIGNAL(openFile(QString)), this, SLOT(fileOpen(QString)));

connect(ui->actionDropQualifiedCheck, &QAction::toggled, dbStructureModel, &DbStructureModel::setDropQualifiedNames);

connect(ui->actionEnquoteNamesCheck, &QAction::toggled, dbStructureModel, &DbStructureModel::setDropEnquotedNames);

connect(&db, &DBBrowserDB::databaseInUseChanged, this, &MainWindow::updateDatabaseBusyStatus);

ui->actionDropQualifiedCheck->setChecked(Settings::getValue("SchemaDock", "dropQualifiedNames").toBool());

ui->actionEnquoteNamesCheck->setChecked(Settings::getValue("SchemaDock", "dropEnquotedNames").toBool());

connect(ui->actionSqlStop, &QAction::triggered, this, [this]() {

if(execute_sql_worker && execute_sql_worker->isRunning())

execute_sql_worker->stop();

});

// Connect tool pragmas

connect(ui->actionIntegrityCheck, &QAction::triggered, this, [this]() {

runSqlNewTab("PRAGMA integrity_check;", ui->actionIntegrityCheck->text(), "https://www.sqlite.org/pragma.html#pragma_integrity_check");

});

connect(ui->actionQuickCheck, &QAction::triggered, this, [this]() {

runSqlNewTab("PRAGMA quick_check;", ui->actionQuickCheck->text(), "https://www.sqlite.org/pragma.html#pragma_quick_check");

});

connect(ui->actionForeignKeyCheck, &QAction::triggered, this, [this]() {

runSqlNewTab("PRAGMA foreign_key_check;", ui->actionForeignKeyCheck->text(), "https://www.sqlite.org/pragma.html#pragma_foreign_key_check");

});

connect(ui->actionOptimize, &QAction::triggered, this, [this]() {

runSqlNewTab("PRAGMA optimize;", ui->actionOptimize->text(), "https://www.sqlite.org/pragma.html#pragma_optimize");

});

// Action for switching the table via the Database Structure tab

connect(ui->actionPopupSchemaDockBrowseTable, &QAction::triggered, this, [this]() {

switchToBrowseDataTab(dockDbSelected->object());

refresh(); // Required in case the Browse Data tab already was the active main tab

});

// Set other window settings

setAcceptDrops(true);

setWindowTitle(QApplication::applicationName());

// Add the documentation of shortcuts, which aren't otherwise visible in the user interface, to some buttons.

addShortcutsTooltip(ui->actionDbPrint);

addShortcutsTooltip(ui->actionSqlOpenTab);

addShortcutsTooltip(ui->actionSqlPrint);

addShortcutsTooltip(ui->actionExecuteSql, {shortcutBrowseRefreshF5->key(), shortcutBrowseRefreshCtrlR->key()});

addShortcutsTooltip(ui->actionSqlExecuteLine);

addShortcutsTooltip(ui->actionSqlFind);

addShortcutsTooltip(ui->actionSqlFindReplace);

addShortcutsTooltip(ui->actionSqlToggleComment);

// Since in some keyboards pressing F keys is cumbersome, add an alternate shortcut and document

// it in the toolbar.

ui->fileCloseAction->setShortcuts({QKeySequence(tr("Ctrl+F4")), QKeySequence(tr("Ctrl+Alt+W"))});

ui->actionCloseProject->setShortcuts({QKeySequence(tr("Ctrl+Shift+W")), QKeySequence(tr("Ctrl+Shift+F4"))});

addShortcutsTooltip(ui->fileCloseAction);

// Load all settings

reloadSettings();

#ifndef ENABLE_SQLCIPHER

// Only show encryption menu action when SQLCipher support is enabled

ui->actionEncryption->setVisible(false);

#endif

/* Remove all the '&' signs from the dock titles. On at least Windows and

ui->dockEdit->setWindowTitle(ui->dockEdit->windowTitle().remove('&'));

ui->dockLog->setWindowTitle(ui->dockLog->windowTitle().remove('&'));

ui->dockPlot->setWindowTitle(ui->dockPlot->windowTitle().remove('&'));

ui->dockSchema->setWindowTitle(ui->dockSchema->windowTitle().remove('&'));

ui->dockRemote->setWindowTitle(ui->dockRemote->windowTitle().remove('&'));

{

bool retval = false;

QString wFile = fileName;

// QFile::exist will produce error message if passed empty string.

// Test string length before usage w/ QFile to silence warning

if (wFile.isEmpty() || !QFile::exists(wFile))

{

wFile = FileDialog::getOpenFileName(

OpenDatabaseFile,

this,

tr("Choose a database file")

#ifndef Q_OS_MAC // Filters on OS X are buggy

, FileDialog::getSqlDatabaseFileFilter()

#endif

);

}

// catch situation where user has canceled file selection from dialog

if(!wFile.isEmpty() && QFile::exists(wFile) )

{

// Try opening it as a project file first. If confirmed, this will include closing current

// database and project files.

if(loadProject(wFile, readOnly))

{

retval = true;

} else {

// Close the database. If the user didn't want to close it, though, stop here

if (db.isOpen())

if(!fileClose())

return false;

// No project file; so it should be a database file

if(db.open(wFile, readOnly))

{

// Close all open but empty SQL tabs

for(int i=ui->tabSqlAreas->count()-1;i>=0;i--)

{

if(qobject_cast<SqlExecutionArea*>(ui->tabSqlAreas->widget(i))->getSql().trimmed().isEmpty())

closeSqlTab(i, true);

}

statusEncodingLabel->setText(db.getPragma("encoding"));

statusEncryptionLabel->setVisible(db.encrypted());

statusReadOnlyLabel->setVisible(db.readOnly());

setCurrentFile(wFile);

if(!openFromProject) {

addToRecentFilesMenu(wFile, readOnly);

// When a new DB file has been open while a project is open, set the project modified.

if(!currentProjectFilename.isEmpty())

isProjectModified = true;

}

if(ui->tabSqlAreas->count() == 0)

openSqlTab(true);

else if(ui->mainTab->currentWidget() == ui->pragmas)

loadPragmas();

refreshTableBrowsers(true);

// Update remote dock

remoteDock->fileOpened(wFile);

retval = true;

} else {

QMessageBox::warning(this, qApp->applicationName(), tr("Could not open database file.\nReason: %1").arg(db.lastError()));

return false;

}

}

}

return retval;

{

QString fileName = FileDialog::getSaveFileName(

CreateDatabaseFile,

this,

tr("Choose a filename to save under"),

FileDialog::getSqlDatabaseFileFilter());

if(!fileName.isEmpty())

{

if(QFile::exists(fileName))

QFile::remove(fileName);

db.create(fileName);

setCurrentFile(fileName);

addToRecentFilesMenu(fileName);

statusEncodingLabel->setText(db.getPragma("encoding"));

statusEncryptionLabel->setVisible(false);

statusReadOnlyLabel->setVisible(false);

refreshTableBrowsers();

if(ui->tabSqlAreas->count() == 0)

openSqlTab(true);

createTable();

}

{

// Open an in-memory database. We use open() instead of create() here because the extra work create() does is not needed

// when no files are stored on disk.

db.open(":memory:");

setCurrentFile(tr("In-Memory database"));

statusEncodingLabel->setText(db.getPragma("encoding"));

statusEncryptionLabel->setVisible(false);

statusReadOnlyLabel->setVisible(false);

remoteDock->fileOpened(":memory:");

refreshTableBrowsers();

if(ui->tabSqlAreas->count() == 0)

openSqlTab(true);

createTable();

{

// Refresh the structure tab

ui->dbTreeWidget->setRootIndex(dbStructureModel->index(1, 0)); // Show the 'All' part of the db structure

ui->dbTreeWidget->expandToDepth(0);

ui->treeSchemaDock->setRootIndex(dbStructureModel->index(1, 0)); // Show the 'All' part of the db structure

ui->treeSchemaDock->expandToDepth(0);

// Refresh the browse data tabs

const auto all_table_browsers = allTableBrowserDocks();

for(int i=0;i<all_table_browsers.size()&&i<static_cast<int>(old_tables.size());i++)

all_table_browsers.at(i)->tableBrowser()->setStructure(dbStructureModel, old_tables.at(static_cast<size_t>(i)));

// Cancel here if no database is opened

if(!db.isOpen())

return;

// Update table and column names for syntax highlighting

SqlUiLexer::QualifiedTablesMap qualifiedTablesMap;

for(const auto& it : db.schemata)

{

SqlUiLexer::TablesAndColumnsMap tablesToColumnsMap;

for(const auto& jt : it.second.tables)

{

QString objectname = QString::fromStdString(jt.first);

for(const auto& f : jt.second->fields)

tablesToColumnsMap[objectname].push_back(QString::fromStdString(f.name()));

}

qualifiedTablesMap[QString::fromStdString(it.first)] = tablesToColumnsMap;

}

SqlTextEdit::sqlLexer->setTableNames(qualifiedTablesMap);

ui->editLogApplication->reloadKeywords();

ui->editLogUser->reloadKeywords();

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

qobject_cast<SqlExecutionArea*>(ui->tabSqlAreas->widget(i))->getEditor()->reloadKeywords();

// Resize SQL column to fit contents

ui->dbTreeWidget->resizeColumnToContents(DbStructureModel::ColumnSQL);

ui->treeSchemaDock->resizeColumnToContents(DbStructureModel::ColumnSQL);

// Resize also the Name column in the Dock since it has usually

// short content and there is little space there.

ui->treeSchemaDock->resizeColumnToContents(DbStructureModel::ColumnName);

{

QApplication::setOverrideCursor(Qt::WaitCursor);

for(const auto& d : allTableBrowserDocks())

{

// When in the Browse Data tab update all docks. Otherwise just update the floating ones because they might

// be visible even when another tab is active.

if(force_refresh || ui->mainTab->currentWidget() == ui->browser || d->isFloating())

{

TableBrowser* t = d->tableBrowser();

if(t)

t->refresh();

}

}

QApplication::restoreOverrideCursor();

QString fileName = FileDialog::getSaveFileName(

OpenDatabaseFile,

this,

tr("Choose a database file to save under"),

FileDialog::getSqlDatabaseFileFilter()

);

// catch situation where user has canceled file selection from dialog

if(!fileName.isEmpty()) {

bool result = db.saveAs(fileName.toStdString());

if(result) {

setCurrentFile(fileName);

addToRecentFilesMenu(fileName);

} else {

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

tr("Error while saving the database to the new file."));

}

return result;

} else {

return false;

}

{

// Stop any running SQL statements before closing the database

if(execute_sql_worker && execute_sql_worker->isRunning())

{

if(QMessageBox::warning(this, qApp->applicationName(),

tr("You are still executing SQL statements. Closing the database now will stop their execution, possibly "

"leaving the database in an inconsistent state. Are you sure you want to close the database?"),

QMessageBox::Yes, QMessageBox::Cancel | QMessageBox::Default | QMessageBox::Escape) == QMessageBox::Cancel)

return false;

execute_sql_worker->stop();

execute_sql_worker->wait();

}

// Close the database but stop the closing process here if the user pressed the cancel button in there

if(!db.close())

return false;

TableBrowser::resetSharedSettings();

setCurrentFile(QString());

loadPragmas();

statusEncryptionLabel->setVisible(false);

statusReadOnlyLabel->setVisible(false);

// Reset the table browser of the Browse Data tab.

// We call delete here to avoid the closed() signal being emitted

// which would open a new dock.

for(auto d : allTableBrowserDocks())

delete d;

newTableBrowserTab();

allTableBrowserDocks().at(0)->tableBrowser()->setEnabled(false);

// Clear edit dock

editDock->setCurrentIndex(QModelIndex());

// Clear the SQL Log

ui->editLogApplication->clear();

ui->editLogUser->clear();

ui->editLogErrorLog->clear();

// Remove completion and highlighting for identifiers

SqlTextEdit::sqlLexer->setTableNames(SqlUiLexer::QualifiedTablesMap());

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

qobject_cast<SqlExecutionArea*>(ui->tabSqlAreas->widget(i))->getEditor()->reloadKeywords();

// Clear remote dock

remoteDock->fileOpened(QString());

return true;

{

if(closeFiles())

{

Settings::setValue("MainWindow", "geometry", saveGeometry());

Settings::setValue("MainWindow", "windowState", saveState());

Settings::setValue("MainWindow", "openTabs", saveOpenTabs());

Settings::setValue("SQLLogDock", "Log", ui->comboLogSubmittedBy->currentText());

Settings::setValue("SchemaDock", "dropQualifiedNames", ui->actionDropQualifiedCheck->isChecked());

Settings::setValue("SchemaDock", "dropEnquotedNames", ui->actionEnquoteNamesCheck->isChecked());

SqlExecutionArea::saveState();

Settings::sync();

QMainWindow::closeEvent(event);

} else {

event->ignore();

}

{

bool ignoreUnattachedBuffers = false;

// Ask for saving all modified open SQL files in their files and all the unattached tabs in a project file.

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

// Ask for saving and comply with cancel answer.

if(!askSaveSqlTab(i, ignoreUnattachedBuffers))

return false;

}

// Now all tabs can be closed at once without asking user.

// Close tabs in reverse order (so indexes are not changed in the process).

for(int i=ui->tabSqlAreas->count()-1; i>=0; i--)

closeSqlTab(i, /* force */ true, /* askSaving */ false);

return closeProject();

{

if(!currentProjectFilename.isEmpty() && isProjectModified) {

QMessageBox::StandardButton reply = QMessageBox::question

(nullptr,

QApplication::applicationName(),

tr("Do you want to save the changes made to the project file '%1'?").

arg(QFileInfo(currentProjectFilename).fileName()),

QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);

switch(reply) {

case QMessageBox::Save:

saveProject();

break;

case QMessageBox::Cancel:

return false;

default:

break;

}

}

currentProjectFilename.clear();

return fileClose();

{

plotDock->updatePlot(model, settings, true, keepOrResetSelection);

// Disconnect previous connection

disconnect(plotDock, SIGNAL(pointsSelected(int,int)), nullptr, nullptr);

if(tableWidget) {

// Connect plot selection to the current table results widget.

connect(plotDock, SIGNAL(pointsSelected(int,int)), tableWidget, SLOT(selectTableLines(int, int)));

connect(tableWidget, &ExtendedTableWidget::destroyed, plotDock, &PlotDock::resetPlot);

// Disconnect requestUrlOrFileOpen in order to make sure that there is only one connection. Otherwise we can open it several times.

disconnect(tableWidget, &ExtendedTableWidget::requestUrlOrFileOpen, this, &MainWindow::openUrlOrFile);

connect(tableWidget, &ExtendedTableWidget::requestUrlOrFileOpen, this, &MainWindow::openUrlOrFile);

}

{

// What the Refresh function does depends on the currently active tab. This way the keyboard shortcuts (F5 and Ctrl+R)

// always perform some meaningful task; they just happen to be context dependent in the function they trigger.

QWidget* currentTab = ui->mainTab->currentWidget();

if (currentTab == ui->structure) {

// Refresh the schema

db.updateSchema();

} else if (currentTab == ui->browser) {

// Refresh the schema and reload the current table

refreshTableBrowsers();

} else if (currentTab == ui->pragmas) {

// Reload pragma values

loadPragmas();

} else if (currentTab == ui->query) {

// (Re-)Run the current SQL query

executeQuery();

}

{

EditTableDialog dialog(db, sqlb::ObjectIdentifier(), true, this);

if(dialog.exec())

{

refreshTableBrowsers();

}

{

EditIndexDialog dialog(db, sqlb::ObjectIdentifier(), true, this);

if(dialog.exec())

refreshTableBrowsers();

{

VacuumDialog dialog(&db, this);

dialog.exec();

{

// Get name and type of object to delete

sqlb::ObjectIdentifier obj = dbSelected->object();

QString type = dbSelected->objectType();

// Due to different grammar in languages (e.g. gender or declension), each message must be given separately to translation.

QString message;

if (type == "table")

message = tr("Are you sure you want to delete the table '%1'?\nAll data associated with the table will be lost.");

else if (type == "view")

message = tr("Are you sure you want to delete the view '%1'?");

else if (type == "trigger")

message = tr("Are you sure you want to delete the trigger '%1'?");

else if (type == "index")

message = tr("Are you sure you want to delete the index '%1'?");

// Ask user if he really wants to delete that table

if(QMessageBox::warning(this, QApplication::applicationName(), message.arg(QString::fromStdString(obj.name())),

QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes)

{

// Delete the table

QString statement = QString("DROP %1 %2;").arg(type.toUpper(), QString::fromStdString(obj.toString()));

if(!db.executeSQL(statement.toStdString()))

{

if (type == "table")

message = tr("Error: could not delete the table.");

else if (type == "view")

message = tr("Error: could not delete the view.");

else if (type == "trigger")

message = tr("Error: could not delete the trigger.");

else if (type == "index")

message = tr("Error: could not delete the index.");

QString error = tr("Message from database engine:\n%1").arg(db.lastError());

QMessageBox::warning(this, QApplication::applicationName(), message + " " + error);

} else {

refreshTableBrowsers();

changeTreeSelection();

}

}

{

if(!dbSelected->hasSelection())

return;

// Get name and type of the object to edit

sqlb::ObjectIdentifier obj = dbSelected->object();

QString type = dbSelected->objectType();

if(type == "table")

{

// For a safe and possibly complex table modification we must follow the steps documented in

// https://www.sqlite.org/lang_altertable.html

// Paragraph (first procedure): Making Other Kinds Of Table Schema Changes

QString foreign_keys = db.getPragma("foreign_keys");

if (foreign_keys == "1") {

if(db.getDirty() && QMessageBox::question(this,

QApplication::applicationName(),

tr("Editing the table requires to save all pending changes now.\nAre you sure you want to save the database?"),

QMessageBox::Save | QMessageBox::Default,

QMessageBox::Cancel | QMessageBox::Escape) != QMessageBox::Save)

return;

// Commit all changes so the foreign_keys can be effective.

fileSave();

db.setPragma("foreign_keys", "0");

}

EditTableDialog dialog(db, obj, false, this);

bool ok = dialog.exec();

// If foreign_keys were enabled, we must commit or rollback the transaction so the foreign_keys pragma can be restored.

if (foreign_keys == "1") {

if (!db.querySingleValueFromDb("PRAGMA " + sqlb::escapeIdentifier(obj.schema()) + ".foreign_key_check").isNull()) {

// Raise warning for accepted modification. When rejected, warn user also since we know now that the table has problems,

// but it wasn't our fault.

if (ok)

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

tr("Error checking foreign keys after table modification. The changes will be reverted."));

else

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

tr("This table did not pass a foreign-key check.<br/>"

"You should run 'Tools | Foreign-Key Check' and fix the reported issues."));

db.revertAll();

} else {

// Commit all changes so the foreign_keys can be effective.

fileSave();

}

db.setPragma("foreign_keys", foreign_keys);

}

if(ok) {

for(const auto& d : allTableBrowserDocks())

{

if(d->tableBrowser()->currentlyBrowsedTableName() == obj)

d->tableBrowser()->clearFilters();

}

refreshTableBrowsers();

}

} else if(type == "index") {

EditIndexDialog dialog(db, obj, false, this);

if(dialog.exec())

refreshTableBrowsers();

} else if(type == "view") {

sqlb::TablePtr view = db.getTableByName(obj);

runSqlNewTab(QString("DROP VIEW %1;\n%2").arg(QString::fromStdString(obj.toString()), QString::fromStdString(view->sql())),

tr("Edit View %1").arg(QString::fromStdString(obj.toDisplayString())),

"https://www.sqlite.org/lang_createview.html",

/* autoRun */ false);

} else if(type == "trigger") {

sqlb::TriggerPtr trigger = db.getTriggerByName(obj);

runSqlNewTab(QString("DROP TRIGGER %1;\n%2").arg(QString::fromStdString(obj.toString()), QString::fromStdString(trigger->sql())),

tr("Edit Trigger %1").arg(QString::fromStdString(obj.toDisplayString())),

"https://www.sqlite.org/lang_createtrigger.html",

/* autoRun */ false);

}