/*
 * mainwindow.cpp
 *
 * classes for the main UI window in Subsurface
 */
#include "mainwindow.h"

#include <QFileDialog>
#include <QMessageBox>
#include <QDesktopWidget>
#include <QSettings>
#include <QShortcut>
#include <QToolBar>
#include "version.h"
#include "divelistview.h"
#include "downloadfromdivecomputer.h"
#include "preferences.h"
#include "subsurfacewebservices.h"
#include "divecomputermanagementdialog.h"
#include "about.h"
#include "updatemanager.h"
#include "planner.h"
#include "filtermodels.h"
#include "profile/profilewidget2.h"
#include "globe.h"
#include "divecomputer.h"
#include "maintab.h"
#include "diveplanner.h"
#ifndef NO_PRINTING
#include <QPrintDialog>
#include "printdialog.h"
#endif
#include "tankinfomodel.h"
#include "weigthsysteminfomodel.h"
#include "yearlystatisticsmodel.h"
#include "diveplannermodel.h"
#include "divelogimportdialog.h"
#include "divelogexportdialog.h"
#include "usersurvey.h"
#include "divesitehelpers.h"
#include "locationinformation.h"
#include "windowtitleupdate.h"
#ifndef NO_USERMANUAL
#include "usermanual.h"
#endif
#include "divepicturemodel.h"
#include "git-access.h"
#include <QNetworkProxy>
#include <QUndoStack>
#include <qthelper.h>
#include <QtConcurrentRun>

MainWindow *MainWindow::m_Instance = NULL;

MainWindow::MainWindow() : QMainWindow(),
	actionNextDive(0),
	actionPreviousDive(0),
	helpView(0),
	state(VIEWALL),
	survey(0)
{
	Q_ASSERT_X(m_Instance == NULL, "MainWindow", "MainWindow recreated!");
	m_Instance = this;
	ui.setupUi(this);
	read_hashes();
	// Define the States of the Application Here, Currently the states are situations where the different
	// widgets will change on the mainwindow.

	// for the "default" mode
	MainTab *mainTab = new MainTab();
	DiveListView *diveListView = new DiveListView();
	ProfileWidget2 *profileWidget = new ProfileWidget2();

#ifndef NO_MARBLE
	GlobeGPS *globeGps = new GlobeGPS();
#else
	QWidget *globeGps = NULL;
#endif

	PlannerSettingsWidget *plannerSettings = new PlannerSettingsWidget();
	DivePlannerWidget *plannerWidget = new DivePlannerWidget();
	PlannerDetails *plannerDetails = new PlannerDetails();
	LocationInformationWidget *locationInformation = new LocationInformationWidget();

	// what is a sane order for those icons? we should have the ones the user is
	// most likely to want towards the top so they are always visible
	// and the ones that someone likely sets and then never touches again towards the bottom
	profileToolbarActions << ui.profCalcCeiling << ui.profCalcAllTissues << // start with various ceilings
				 ui.profIncrement3m << ui.profDcCeiling <<
				 ui.profPhe << ui.profPn2 << ui.profPO2 << // partial pressure graphs
				 ui.profRuler << ui.profScaled << // measuring and scaling
				 ui.profTogglePicture << ui.profTankbar <<
				 ui.profMod << ui.profNdl_tts << // various values that a user is either interested in or not
				 ui.profEad << ui.profSAC <<
				 ui.profHR << // very few dive computers support this
				 ui.profTissues; // maybe less frequently used

	QToolBar *toolBar = new QToolBar();
	Q_FOREACH (QAction *a, profileToolbarActions)
		toolBar->addAction(a);
	toolBar->setOrientation(Qt::Vertical);
	toolBar->setIconSize(QSize(24,24));

	QWidget *profileContainer = new QWidget();
	QHBoxLayout *profLayout = new QHBoxLayout();
	profLayout->setSpacing(0);
	profLayout->setMargin(0);
	profLayout->setContentsMargins(0,0,0,0);
	profLayout->addWidget(toolBar);
	profLayout->addWidget(profileWidget);
	profileContainer->setLayout(profLayout);
	DivePictureWidget *divePictures = new DivePictureWidget(this);
	divePictures->setModel(DivePictureModel::instance());
	registerApplicationState("Default", mainTab, profileContainer, diveListView, globeGps );
	registerApplicationState("AddDive", mainTab, profileContainer, diveListView, globeGps );
	registerApplicationState("EditDive", mainTab, profileContainer, diveListView, globeGps );
	registerApplicationState("PlanDive", plannerWidget, profileContainer, plannerSettings, plannerDetails );
	registerApplicationState("EditPlannedDive", plannerWidget, profileContainer, diveListView, globeGps );
	registerApplicationState("EditDiveSite",locationInformation, divePictures, diveListView, globeGps );

	setApplicationState("Default");

	ui.multiFilter->hide();

	setWindowIcon(QIcon(":subsurface-icon"));
	if (!QIcon::hasThemeIcon("window-close")) {
		QIcon::setThemeName("subsurface");
	}
	connect(dive_list(), SIGNAL(currentDiveChanged(int)), this, SLOT(current_dive_changed(int)));
	connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), this, SLOT(readSettings()));
	connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), diveListView, SLOT(update()));
	connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), diveListView, SLOT(reloadHeaderActions()));
	connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), information(), SLOT(updateDiveInfo()));
	connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), divePlannerWidget(), SLOT(settingsChanged()));
	connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), divePlannerSettingsWidget(), SLOT(settingsChanged()));
	connect(PreferencesDialog::instance(), SIGNAL(settingsChanged()), TankInfoModel::instance(), SLOT(update()));
	connect(ui.actionRecent1, SIGNAL(triggered(bool)), this, SLOT(recentFileTriggered(bool)));
	connect(ui.actionRecent2, SIGNAL(triggered(bool)), this, SLOT(recentFileTriggered(bool)));
	connect(ui.actionRecent3, SIGNAL(triggered(bool)), this, SLOT(recentFileTriggered(bool)));
	connect(ui.actionRecent4, SIGNAL(triggered(bool)), this, SLOT(recentFileTriggered(bool)));
	connect(information(), SIGNAL(addDiveFinished()), graphics(), SLOT(setProfileState()));
	connect(DivePlannerPointsModel::instance(), SIGNAL(planCreated()), this, SLOT(planCreated()));
	connect(DivePlannerPointsModel::instance(), SIGNAL(planCanceled()), this, SLOT(planCanceled()));
	connect(plannerDetails->printPlan(), SIGNAL(pressed()), divePlannerWidget(), SLOT(printDecoPlan()));
	connect(mainTab, SIGNAL(requestDiveSiteAdd()), this, SLOT(enableDiveSiteCreation()));
	connect(locationInformation, SIGNAL(informationManagementEnded()), this, SLOT(setDefaultState()));
	connect(locationInformation, SIGNAL(informationManagementEnded()), information(), SLOT(showLocation()));
	connect(locationInformation, SIGNAL(coordinatesChanged()), globe(), SLOT(repopulateLabels()));
	connect(locationInformation, SIGNAL(startEditDiveSite(uint32_t)), globeGps, SLOT(prepareForGetDiveCoordinates()));
	connect(locationInformation, SIGNAL(endEditDiveSite()), globeGps, SLOT(prepareForGetDiveCoordinates()));
	connect(information(), SIGNAL(diveSiteChanged(uint32_t)), globeGps, SLOT(centerOnDiveSite(uint32_t)));
	wtu = new WindowTitleUpdate();
	connect(WindowTitleUpdate::instance(), SIGNAL(updateTitle()), this, SLOT(setAutomaticTitle()));
#ifdef NO_PRINTING
	plannerDetails->printPlan()->hide();
	ui.menuFile->removeAction(ui.actionPrint);
#endif
#ifndef USE_LIBGIT23_API
	ui.menuFile->removeAction(ui.actionCloudstorageopen);
	ui.menuFile->removeAction(ui.actionCloudstoragesave);
	qDebug() << "disabled / made invisible the cloud storage stuff";
#else
	enableDisableCloudActions();
#endif

	ui.mainErrorMessage->hide();
	graphics()->setEmptyState();
	initialUiSetup();
	readSettings();
	diveListView->reload(DiveTripModel::TREE);
	diveListView->reloadHeaderActions();
	diveListView->setFocus();
	globe()->reload();
	diveListView->expand(dive_list()->model()->index(0, 0));
	diveListView->scrollTo(dive_list()->model()->index(0, 0), QAbstractItemView::PositionAtCenter);
	divePlannerWidget()->settingsChanged();
	divePlannerSettingsWidget()->settingsChanged();
#ifdef NO_MARBLE
	ui.menuView->removeAction(ui.actionViewGlobe);
#else
	connect(globe(), SIGNAL(coordinatesChanged()), locationInformation, SLOT(updateGpsCoordinates()));
#endif
#ifdef NO_USERMANUAL
	ui.menuHelp->removeAction(ui.actionUserManual);
#endif
	memset(&copyPasteDive, 0, sizeof(copyPasteDive));
	memset(&what, 0, sizeof(what));

	updateManager = new UpdateManager(this);
	undoStack = new QUndoStack(this);
	QAction *undoAction = undoStack->createUndoAction(this, tr("&Undo"));
	QAction *redoAction = undoStack->createRedoAction(this, tr("&Redo"));
	undoAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Z));
	redoAction->setShortcut(QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Z));
	QList<QAction*>undoRedoActions;
	undoRedoActions.append(undoAction);
	undoRedoActions.append(redoAction);
	ui.menu_Edit->addActions(undoRedoActions);

	ReverseGeoLookupThread *geoLookup = ReverseGeoLookupThread::instance();
	connect(geoLookup, SIGNAL(started()),information(), SLOT(disableGeoLookupEdition()));
	connect(geoLookup, SIGNAL(finished()), information(), SLOT(enableGeoLookupEdition()));
}

MainWindow::~MainWindow()
{
	write_hashes();
	m_Instance = NULL;
}

void MainWindow::enableDisableCloudActions()
{
#ifdef USE_LIBGIT23_API
	ui.actionCloudstorageopen->setEnabled(prefs.cloud_verification_status == CS_VERIFIED);
	ui.actionCloudstoragesave->setEnabled(prefs.cloud_verification_status == CS_VERIFIED);
#endif
}

PlannerDetails *MainWindow::plannerDetails() const {
	return qobject_cast<PlannerDetails*>(applicationState["PlanDive"].bottomRight);
}

PlannerSettingsWidget *MainWindow::divePlannerSettingsWidget() {
	return qobject_cast<PlannerSettingsWidget*>(applicationState["PlanDive"].bottomLeft);
}

LocationInformationWidget *MainWindow::locationInformationWidget() {
	return qobject_cast<LocationInformationWidget*>(applicationState["EditDiveSite"].topLeft);
}

void MainWindow::on_actionManage_dive_sites_triggered() {
	enableDiveSiteEdit(displayed_dive.dive_site_uuid);
}

void MainWindow::enableDiveSiteCreation() {
	locationInformationWidget()->createDiveSite();
	setApplicationState("EditDiveSite");
}

void MainWindow::enableDiveSiteEdit(uint32_t id) {
	locationInformationWidget()->editDiveSite(id);
	setApplicationState("EditDiveSite");
}

void MainWindow::setDefaultState() {
	setApplicationState("Default");
}

void MainWindow::setLoadedWithFiles(bool f)
{
	filesAsArguments = f;
}

bool MainWindow::filesFromCommandLine() const
{
	return filesAsArguments;
}

MainWindow *MainWindow::instance()
{
	return m_Instance;
}

// this gets called after we download dives from a divecomputer
void MainWindow::refreshDisplay(bool doRecreateDiveList)
{
	getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
	information()->reload();
	TankInfoModel::instance()->update();
	globe()->reload();
	if (doRecreateDiveList)
		recreateDiveList();

	setApplicationState("Default");
	dive_list()->setEnabled(true);
	dive_list()->setFocus();
	WSInfoModel::instance()->updateInfo();
	if (amount_selected == 0)
		cleanUpEmpty();
}

void MainWindow::recreateDiveList()
{
	dive_list()->reload(DiveTripModel::CURRENT);
	TagFilterModel::instance()->repopulate();
	BuddyFilterModel::instance()->repopulate();
	LocationFilterModel::instance()->repopulate();
	SuitsFilterModel::instance()->repopulate();
}

void MainWindow::current_dive_changed(int divenr)
{
	if (divenr >= 0) {
		select_dive(divenr);
	}
	graphics()->plotDive();
	information()->updateDiveInfo();
}

void MainWindow::on_actionNew_triggered()
{
	on_actionClose_triggered();
}

void MainWindow::on_actionOpen_triggered()
{
	if (!okToClose(tr("Please save or cancel the current dive edit before opening a new file.")))
		return;

	// yes, this look wrong to use getSaveFileName() for the open dialog, but we need to be able
	// to enter file names that don't exist in order to use our git syntax /path/to/dir[branch]
	// with is a potentially valid input, but of course won't exist. So getOpenFileName() wouldn't work
	QFileDialog dialog(this, tr("Open file"), lastUsedDir(), filter());
	dialog.setFileMode(QFileDialog::AnyFile);
	dialog.setViewMode(QFileDialog::Detail);
	dialog.setLabelText(QFileDialog::Accept, tr("Open"));
	dialog.setLabelText(QFileDialog::Reject, tr("Cancel"));
	dialog.setAcceptMode(QFileDialog::AcceptSave);
	QStringList filenames;
	if (dialog.exec())
		filenames = dialog.selectedFiles();
	if (filenames.isEmpty())
		return;
	updateLastUsedDir(QFileInfo(filenames.first()).dir().path());
	closeCurrentFile();
	// some file dialogs decide to add the default extension to a filename without extension
	// so we would get dir[branch].ssrf when trying to select dir[branch].
	// let's detect that and remove the incorrect extension
	QStringList cleanFilenames;
	QRegularExpression reg(".*\\[[^]]+]\\.ssrf", QRegularExpression::CaseInsensitiveOption);

	Q_FOREACH (QString filename, filenames) {
		if (reg.match(filename).hasMatch())
			filename.remove(QRegularExpression("\\.ssrf$", QRegularExpression::CaseInsensitiveOption));
		cleanFilenames << filename;
	}
	loadFiles(cleanFilenames);
}

void MainWindow::on_actionSave_triggered()
{
	file_save();
}

void MainWindow::on_actionSaveAs_triggered()
{
	file_save_as();
}

void MainWindow::on_actionCloudstorageopen_triggered()
{
	if (!okToClose(tr("Please save or cancel the current dive edit before opening a new file.")))
		return;

	QString filename;
	if (getCloudURL(filename)) {
		getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
		return;
	}
	qDebug() << filename;

	closeCurrentFile();

	int error;

	QByteArray fileNamePtr = QFile::encodeName(filename);
	error = parse_file(fileNamePtr.data());
	if (!error) {
		set_filename(fileNamePtr.data(), true);
		setTitle(MWTF_FILENAME);
	}
	getNotificationWidget()->hideNotification();
	process_dives(false, false);
	refreshDisplay();
	ui.actionAutoGroup->setChecked(autogroup);
}

void MainWindow::on_actionCloudstoragesave_triggered()
{
	QString filename;
	if (getCloudURL(filename)) {
		getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
		return;
	}
	qDebug() << filename;
	if (information()->isEditing())
		information()->acceptChanges();

	if (save_dives(filename.toUtf8().data())) {
		getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
		return;
	}
	getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
	set_filename(filename.toUtf8().data(), true);
	setTitle(MWTF_FILENAME);
	mark_divelist_changed(false);
}

void learnImageDirs(QStringList dirnames)
{
	QList<QFuture<void> > futures;
	foreach (QString dir, dirnames) {
		futures << QtConcurrent::run(learnImages, QDir(dir), 10, false);
	}
	DivePictureModel::instance()->updateDivePicturesWhenDone(futures);
}

void MainWindow::on_actionHash_images_triggered()
{
	QFuture<void> future;
	QFileDialog dialog(this, tr("Traverse image directories"), lastUsedDir(), filter());
	dialog.setFileMode(QFileDialog::Directory);
	dialog.setViewMode(QFileDialog::Detail);
	dialog.setLabelText(QFileDialog::Accept, tr("Scan"));
	dialog.setLabelText(QFileDialog::Reject, tr("Cancel"));
	QStringList dirnames;
	if (dialog.exec())
		dirnames = dialog.selectedFiles();
	if (dirnames.isEmpty())
		return;
	future = QtConcurrent::run(learnImageDirs,dirnames);
	MainWindow::instance()->getNotificationWidget()->showNotification(tr("Scanning images...(this can take a while)"), KMessageWidget::Information);
	MainWindow::instance()->getNotificationWidget()->setFuture(future);

}

ProfileWidget2 *MainWindow::graphics() const
{
	return qobject_cast<ProfileWidget2*>(applicationState["Default"].topRight->layout()->itemAt(1)->widget());
}

void MainWindow::cleanUpEmpty()
{
	information()->clearStats();
	information()->clearInfo();
	information()->clearEquipment();
	information()->updateDiveInfo(true);
	graphics()->setEmptyState();
	dive_list()->reload(DiveTripModel::TREE);
	globe()->reload();
	if (!existing_filename)
		setTitle(MWTF_DEFAULT);
	disableShortcuts();
}

bool MainWindow::okToClose(QString message)
{
	if (DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING ||
		information()->isEditing() ||
		currentApplicationState == "EditDiveSite") {
		QMessageBox::warning(this, tr("Warning"), message);
		return false;
	}
	if (unsaved_changes() && askSaveChanges() == false)
		return false;

	return true;
}

void MainWindow::closeCurrentFile()
{
	graphics()->setEmptyState();
	/* free the dives and trips */
	clear_git_id();
	while (dive_table.nr)
		delete_single_dive(0);
	while (dive_site_table.nr)
		delete_dive_site(get_dive_site(0)->uuid);

	free((void *)existing_filename);
	existing_filename = NULL;

	reset_min_datafile_version();

	cleanUpEmpty();
	mark_divelist_changed(false);

	clear_events();

	dcList.dcMap.clear();
}

void MainWindow::on_actionClose_triggered()
{
	if (okToClose(tr("Please save or cancel the current dive edit before closing the file."))) {
		closeCurrentFile();
		// hide any pictures and the filter
		DivePictureModel::instance()->updateDivePictures();
		ui.multiFilter->closeFilter();
		recreateDiveList();
	}
}

QString MainWindow::lastUsedDir()
{
	QSettings settings;
	QString lastDir = QDir::homePath();

	settings.beginGroup("FileDialog");
	if (settings.contains("LastDir"))
		if (QDir::setCurrent(settings.value("LastDir").toString()))
			lastDir = settings.value("LastDir").toString();
	return lastDir;
}

void MainWindow::updateLastUsedDir(const QString &dir)
{
	QSettings s;
	s.beginGroup("FileDialog");
	s.setValue("LastDir", dir);
}

void MainWindow::on_actionPrint_triggered()
{
#ifndef NO_PRINTING
	PrintDialog dlg(this);

	dlg.exec();
#endif
}

void MainWindow::disableShortcuts(bool disablePaste)
{
	ui.actionPreviousDC->setShortcut(QKeySequence());
	ui.actionNextDC->setShortcut(QKeySequence());
	ui.copy->setShortcut(QKeySequence());
	if (disablePaste)
		ui.paste->setShortcut(QKeySequence());
}

void MainWindow::enableShortcuts()
{
	ui.actionPreviousDC->setShortcut(Qt::Key_Left);
	ui.actionNextDC->setShortcut(Qt::Key_Right);
	ui.copy->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_C));
	ui.paste->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_V));
}

void MainWindow::showProfile()
{
	enableShortcuts();
	graphics()->setProfileState();
	setApplicationState("Default");
}

void MainWindow::on_actionPreferences_triggered()
{
	PreferencesDialog::instance()->show();
}

void MainWindow::on_actionQuit_triggered()
{
	if (information()->isEditing()) {
		information()->rejectChanges();
		if (information()->isEditing())
			// didn't discard the edits
			return;
	}
	if (DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING) {
		DivePlannerPointsModel::instance()->cancelPlan();
		if (DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING)
			// The planned dive was not discarded
			return;
	}

	if (unsaved_changes() && (askSaveChanges() == false))
		return;
	writeSettings();
	QApplication::quit();
}

void MainWindow::on_actionDownloadDC_triggered()
{
	DownloadFromDCWidget dlg(this);

	dlg.exec();
}

void MainWindow::on_actionDownloadWeb_triggered()
{
	SubsurfaceWebServices dlg(this);

	dlg.exec();
}

void MainWindow::on_actionDivelogs_de_triggered()
{
	DivelogsDeWebServices::instance()->downloadDives();
}

void MainWindow::on_actionEditDeviceNames_triggered()
{
	DiveComputerManagementDialog::instance()->init();
	DiveComputerManagementDialog::instance()->update();
	DiveComputerManagementDialog::instance()->show();
}

bool MainWindow::plannerStateClean()
{
	if (DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING ||
		information()->isEditing()) {
		QMessageBox::warning(this, tr("Warning"), tr("Please save or cancel the current dive edit before trying to add a dive."));
		return false;
	}
	return true;
}

void MainWindow::planCanceled()
{
	// while planning we might have modified the displayed_dive
	// let's refresh what's shown on the profile
	showProfile();
	graphics()->replot();
	refreshDisplay(false);
	graphics()->plotDive(get_dive(selected_dive));
	DivePictureModel::instance()->updateDivePictures();
}

void MainWindow::planCreated()
{
	// get the new dive selected and assign a number if reasonable
	graphics()->setProfileState();
	if (displayed_dive.id == 0) {
		// we might have added a new dive (so displayed_dive was cleared out by clone_dive()
		dive_list()->unselectDives();
		select_dive(dive_table.nr - 1);
		dive_list()->selectDive(selected_dive);
		set_dive_nr_for_current_dive();
	}
	// make sure our UI is in a consistent state
	information()->updateDiveInfo();
	showProfile();
	refreshDisplay();
}

void MainWindow::setPlanNotes()
{
	plannerDetails()->divePlanOutput()->setHtml(displayed_dive.notes);
}

void MainWindow::printPlan()
{
#ifndef NO_PRINTING
	QString diveplan = plannerDetails()->divePlanOutput()->toHtml();
	QString withDisclaimer = QString("<img height=50 src=\":subsurface-icon\"> ") + diveplan + QString(disclaimer);

	QPrinter printer;
	QPrintDialog *dialog = new QPrintDialog(&printer, this);
	dialog->setWindowTitle(tr("Print runtime table"));
	if (dialog->exec() != QDialog::Accepted)
		return;

	plannerDetails()->divePlanOutput()->setHtml(withDisclaimer);
	plannerDetails()->divePlanOutput()->print(&printer);
	plannerDetails()->divePlanOutput()->setHtml(diveplan);
#endif
}

void MainWindow::setupForAddAndPlan(const char *model)
{
	// clean out the dive and give it an id and the correct dc model
	clear_dive(&displayed_dive);
	displayed_dive.id = dive_getUniqID(&displayed_dive);
	displayed_dive.when = QDateTime::currentMSecsSinceEpoch() / 1000L + gettimezoneoffset() + 3600;
	displayed_dive.dc.model = model; // don't translate! this is stored in the XML file
	// setup the dive cylinders
	DivePlannerPointsModel::instance()->clear();
	DivePlannerPointsModel::instance()->setupCylinders();
}

void MainWindow::on_actionReplanDive_triggered()
{
	if (!plannerStateClean() || !current_dive || !current_dive->dc.model)
		return;
	else if (strcmp(current_dive->dc.model, "planned dive")) {
		if (QMessageBox::warning(this, tr("Warning"), tr("trying to replan a dive that's not a planned dive."),
					 QMessageBox::Ok | QMessageBox::Cancel) == QMessageBox::Cancel)
					return;
	}
	// put us in PLAN mode
	DivePlannerPointsModel::instance()->clear();
	DivePlannerPointsModel::instance()->setPlanMode(DivePlannerPointsModel::PLAN);

	graphics()->setPlanState();
	graphics()->clearHandlers();
	setApplicationState("PlanDive");
	divePlannerWidget()->setReplanButton(true);
	DivePlannerPointsModel::instance()->loadFromDive(current_dive);
	reset_cylinders(&displayed_dive, true);
}

void MainWindow::on_actionDivePlanner_triggered()
{
	if (!plannerStateClean())
		return;

	// put us in PLAN mode
	DivePlannerPointsModel::instance()->setPlanMode(DivePlannerPointsModel::PLAN);
	setApplicationState("PlanDive");

	graphics()->setPlanState();

	// create a simple starting dive, using the first gas from the just copied cylinders
	setupForAddAndPlan("planned dive"); // don't translate, stored in XML file
	DivePlannerPointsModel::instance()->setupStartTime();
	DivePlannerPointsModel::instance()->createSimpleDive();
	DivePictureModel::instance()->updateDivePictures();
	divePlannerWidget()->setReplanButton(false);
}

DivePlannerWidget* MainWindow::divePlannerWidget() {
	return qobject_cast<DivePlannerWidget*>(applicationState["PlanDive"].topLeft);
}

void MainWindow::on_actionAddDive_triggered()
{
	if (!plannerStateClean())
		return;

	if (dive_list()->selectedTrips().count() >= 1) {
		dive_list()->rememberSelection();
		dive_list()->clearSelection();
	}

	setApplicationState("AddDive");
	DivePlannerPointsModel::instance()->setPlanMode(DivePlannerPointsModel::ADD);

	// setup things so we can later create our starting dive
	setupForAddAndPlan("manually added dive"); // don't translate, stored in the XML file

	// now show the mostly empty main tab
	information()->updateDiveInfo();

	// show main tab
	information()->setCurrentIndex(0);

	information()->addDiveStarted();

	graphics()->setAddState();
	DivePlannerPointsModel::instance()->createSimpleDive();
	graphics()->plotDive();
}

void MainWindow::on_actionEditDive_triggered()
{
	if (information()->isEditing() || DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING) {
		QMessageBox::warning(this, tr("Warning"), tr("Please, first finish the current edition before trying to do another."));
		return;
	}

	const bool isTripEdit = dive_list()->selectedTrips().count() >= 1;
	if (!current_dive || isTripEdit || strcmp(current_dive->dc.model, "manually added dive")) {
		QMessageBox::warning(this, tr("Warning"), tr("Trying to edit a dive that's not a manually added dive."));
		return;
	}

	DivePlannerPointsModel::instance()->clear();
	disableShortcuts();
	DivePlannerPointsModel::instance()->setPlanMode(DivePlannerPointsModel::ADD);
	graphics()->setAddState();
	globe()->endGetDiveCoordinates();
	setApplicationState("EditDive");
	DivePlannerPointsModel::instance()->loadFromDive(current_dive);
	information()->enableEdition(MainTab::MANUALLY_ADDED_DIVE);
}

void MainWindow::on_actionRenumber_triggered()
{
	RenumberDialog::instance()->renumberOnlySelected(false);
	RenumberDialog::instance()->show();
}

void MainWindow::on_actionAutoGroup_triggered()
{
	autogroup = ui.actionAutoGroup->isChecked();
	if (autogroup)
		autogroup_dives();
	else
		remove_autogen_trips();
	refreshDisplay();
	mark_divelist_changed(true);
}

void MainWindow::on_actionYearlyStatistics_triggered()
{
	QDialog d;
	QVBoxLayout *l = new QVBoxLayout(&d);
	YearlyStatisticsModel *m = new YearlyStatisticsModel();
	QTreeView *view = new QTreeView();
	view->setModel(m);
	l->addWidget(view);
	d.resize(width() * .8, height() / 2);
	d.move(width() * .1, height() / 4);
	QShortcut *close = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), &d);
	connect(close, SIGNAL(activated()), &d, SLOT(close()));
	QShortcut *quit = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), &d);
	connect(quit, SIGNAL(activated()), this, SLOT(close()));
	d.setWindowFlags(Qt::Window | Qt::CustomizeWindowHint
		| Qt::WindowCloseButtonHint | Qt::WindowTitleHint);
	d.setWindowTitle(tr("Yearly statistics"));
	d.exec();
}

#define BEHAVIOR QList<int>()

#define TOGGLE_COLLAPSABLE( X ) \
	ui.mainSplitter->setCollapsible(0, X); \
	ui.mainSplitter->setCollapsible(1, X); \
	ui.topSplitter->setCollapsible(0, X); \
	ui.topSplitter->setCollapsible(1, X); \
	ui.bottomSplitter->setCollapsible(0, X); \
	ui.bottomSplitter->setCollapsible(1, X);

void MainWindow::on_actionViewList_triggered()
{
	TOGGLE_COLLAPSABLE( true );
	beginChangeState(LIST_MAXIMIZED);
	ui.topSplitter->setSizes(BEHAVIOR << EXPANDED << COLLAPSED);
	ui.mainSplitter->setSizes(BEHAVIOR << COLLAPSED << EXPANDED);
}

void MainWindow::on_actionViewProfile_triggered()
{
	TOGGLE_COLLAPSABLE( true );
	beginChangeState(PROFILE_MAXIMIZED);
	ui.topSplitter->setSizes(BEHAVIOR << COLLAPSED << EXPANDED);
	ui.mainSplitter->setSizes(BEHAVIOR << EXPANDED << COLLAPSED);
}

void MainWindow::on_actionViewInfo_triggered()
{
	TOGGLE_COLLAPSABLE( true );
	beginChangeState(INFO_MAXIMIZED);
	ui.topSplitter->setSizes(BEHAVIOR << EXPANDED << COLLAPSED);
	ui.mainSplitter->setSizes(BEHAVIOR << EXPANDED << COLLAPSED);
}

void MainWindow::on_actionViewGlobe_triggered()
{
	TOGGLE_COLLAPSABLE( true );
	beginChangeState(GLOBE_MAXIMIZED);
	ui.mainSplitter->setSizes(BEHAVIOR << COLLAPSED << EXPANDED);
	ui.bottomSplitter->setSizes(BEHAVIOR << COLLAPSED << EXPANDED);
}
#undef BEHAVIOR

void MainWindow::on_actionViewAll_triggered()
{
	TOGGLE_COLLAPSABLE( false );
	beginChangeState(VIEWALL);
	static QList<int> mainSizes;
	const int appH = qApp->desktop()->size().height();
	const int appW = qApp->desktop()->size().width();
	if (mainSizes.empty()) {
		mainSizes.append(appH * 0.7);
		mainSizes.append(appH * 0.3);
	}
	static QList<int> infoProfileSizes;
	if (infoProfileSizes.empty()) {
		infoProfileSizes.append(appW * 0.3);
		infoProfileSizes.append(appW * 0.7);
	}

	static QList<int> listGlobeSizes;
	if (listGlobeSizes.empty()) {
		listGlobeSizes.append(appW * 0.7);
		listGlobeSizes.append(appW * 0.3);
	}

	QSettings settings;
	settings.beginGroup("MainWindow");
	if (settings.value("mainSplitter").isValid()) {
		ui.mainSplitter->restoreState(settings.value("mainSplitter").toByteArray());
		ui.topSplitter->restoreState(settings.value("topSplitter").toByteArray());
		ui.bottomSplitter->restoreState(settings.value("bottomSplitter").toByteArray());
		if (ui.mainSplitter->sizes().first() == 0 || ui.mainSplitter->sizes().last() == 0)
			ui.mainSplitter->setSizes(mainSizes);
		if (ui.topSplitter->sizes().first() == 0 || ui.topSplitter->sizes().last() == 0)
			ui.topSplitter->setSizes(infoProfileSizes);
		if (ui.bottomSplitter->sizes().first() == 0 || ui.bottomSplitter->sizes().last() == 0)
			ui.bottomSplitter->setSizes(listGlobeSizes);

	} else {
		ui.mainSplitter->setSizes(mainSizes);
		ui.topSplitter->setSizes(infoProfileSizes);
		ui.bottomSplitter->setSizes(listGlobeSizes);
	}
	ui.mainSplitter->setCollapsible(0, false);
	ui.mainSplitter->setCollapsible(1, false);
	ui.topSplitter->setCollapsible(0, false);
	ui.topSplitter->setCollapsible(1, false);
	ui.bottomSplitter->setCollapsible(0,false);
	ui.bottomSplitter->setCollapsible(1,false);
}

#undef TOGGLE_COLLAPSABLE

void MainWindow::beginChangeState(CurrentState s)
{
	if (state == VIEWALL && state != s) {
		saveSplitterSizes();
	}
	state = s;
}

void MainWindow::saveSplitterSizes()
{
	QSettings settings;
	settings.beginGroup("MainWindow");
	settings.setValue("mainSplitter", ui.mainSplitter->saveState());
	settings.setValue("topSplitter", ui.topSplitter->saveState());
	settings.setValue("bottomSplitter", ui.bottomSplitter->saveState());
}

void MainWindow::on_actionPreviousDC_triggered()
{
	unsigned nrdc = number_of_computers(current_dive);
	dc_number = (dc_number + nrdc - 1) % nrdc;
	graphics()->plotDive();
	information()->updateDiveInfo();
}

void MainWindow::on_actionNextDC_triggered()
{
	unsigned nrdc = number_of_computers(current_dive);
	dc_number = (dc_number + 1) % nrdc;
	graphics()->plotDive();
	information()->updateDiveInfo();
}

void MainWindow::on_actionFullScreen_triggered(bool checked)
{
	if (checked) {
		setWindowState(windowState() | Qt::WindowFullScreen);
	} else {
		setWindowState(windowState() & ~Qt::WindowFullScreen);
	}
}

void MainWindow::on_actionAboutSubsurface_triggered()
{
	SubsurfaceAbout dlg(this);

	dlg.exec();
}

void MainWindow::on_action_Check_for_Updates_triggered()
{
	if (!updateManager)
		updateManager = new UpdateManager(this);

	updateManager->checkForUpdates();
}

void MainWindow::on_actionUserManual_triggered()
{
#ifndef NO_USERMANUAL
	if (!helpView) {
		helpView = new UserManual();
	}
	helpView->show();
#endif
}

void MainWindow::on_actionUserSurvey_triggered()
{
	if(!survey) {
		survey = new UserSurvey(this);
	}
	survey->show();
}

QString MainWindow::filter()
{
	QString f;
	f += "Dive log files ( *.ssrf ";
	f += "*.can *.CAN ";
	f += "*.db *.DB " ;
	f += "*.dld *.DLD ";
	f += "*.jlb *.JLB ";
	f += "*.lvd *.LVD ";
	f += "*.sde *.SDE ";
	f += "*.udcf *.UDCF ";
	f += "*.uddf *.UDDF ";
	f += "*.xml *.XML ";
	f += "*.dlf *.DLF ";
	f += ");;";

	f += "Subsurface (*.ssrf);;";
	f += "Cochran (*.can *.CAN);;";
	f += "DiveLogs.de (*.dld *.DLD);;";
	f += "JDiveLog  (*.jlb *.JLB);;";
	f += "Liquivision (*.lvd *.LVD);;";
	f += "Suunto (*.sde *.SDE *.db *.DB);;";
	f += "UDCF (*.udcf *.UDCF);;";
	f += "UDDF (*.uddf *.UDDF);;";
	f += "XML (*.xml *.XML)";
	f += "Divesoft (*.dlf *.DLF)";
	f += "Datatrak/WLog Files (*.log *.LOG)";

	return f;
}

bool MainWindow::askSaveChanges()
{
	QString message;
	QMessageBox response(this);

	if (existing_filename)
		message = tr("Do you want to save the changes that you made in the file %1?")
				.arg(displayedFilename(existing_filename));
	else
		message = tr("Do you want to save the changes that you made in the data file?");

	response.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
	response.setDefaultButton(QMessageBox::Save);
	response.setText(message);
	response.setWindowTitle(tr("Save changes?")); // Not displayed on MacOSX as described in Qt API
	response.setInformativeText(tr("Changes will be lost if you don't save them."));
	response.setIcon(QMessageBox::Warning);
	response.setWindowModality(Qt::WindowModal);
	int ret = response.exec();

	switch (ret) {
	case QMessageBox::Save:
		file_save();
		return true;
	case QMessageBox::Discard:
		return true;
	}
	return false;
}

void MainWindow::initialUiSetup()
{
	QSettings settings;
	settings.beginGroup("MainWindow");
	QSize sz = settings.value("size", qApp->desktop()->size()).value<QSize>();
	if (settings.value("maximized", isMaximized()).value<bool>())
		showMaximized();
	else
		resize(sz);

	state = (CurrentState)settings.value("lastState", 0).toInt();
	switch (state) {
	case VIEWALL:
		on_actionViewAll_triggered();
		break;
	case GLOBE_MAXIMIZED:
		on_actionViewGlobe_triggered();
		break;
	case INFO_MAXIMIZED:
		on_actionViewInfo_triggered();
		break;
	case LIST_MAXIMIZED:
		on_actionViewList_triggered();
		break;
	case PROFILE_MAXIMIZED:
		on_actionViewProfile_triggered();
		break;
	}
	settings.endGroup();
}

const char *getSetting(QSettings &s, QString name)
{
	QVariant v;
	v = s.value(name);
	if (v.isValid()) {
		return strdup(v.toString().toUtf8().data());
	}
	return NULL;
}

#define TOOLBOX_PREF_BUTTON(pref, setting, button) \
	prefs.pref = s.value(#setting).toBool();   \
	ui.button->setChecked(prefs.pref);

void MainWindow::readSettings()
{
	static bool firstRun = true;
	QSettings s;
	// the static object for preferences already reads in the settings
	// and sets up the font, so just get what we need for the toolbox and other widgets here

	s.beginGroup("TecDetails");
	TOOLBOX_PREF_BUTTON(calcalltissues, calcalltissues, profCalcAllTissues);
	TOOLBOX_PREF_BUTTON(calcceiling, calcceiling, profCalcCeiling);
	TOOLBOX_PREF_BUTTON(dcceiling, dcceiling, profDcCeiling);
	TOOLBOX_PREF_BUTTON(ead, ead, profEad);
	TOOLBOX_PREF_BUTTON(calcceiling3m, calcceiling3m, profIncrement3m);
	TOOLBOX_PREF_BUTTON(mod, mod, profMod);
	TOOLBOX_PREF_BUTTON(calcndltts, calcndltts, profNdl_tts);
	TOOLBOX_PREF_BUTTON(pp_graphs.phe, phegraph, profPhe);
	TOOLBOX_PREF_BUTTON(pp_graphs.pn2, pn2graph, profPn2);
	TOOLBOX_PREF_BUTTON(pp_graphs.po2, po2graph, profPO2);
	TOOLBOX_PREF_BUTTON(hrgraph, hrgraph, profHR);
	TOOLBOX_PREF_BUTTON(rulergraph, rulergraph, profRuler);
	TOOLBOX_PREF_BUTTON(show_sac, show_sac, profSAC);
	TOOLBOX_PREF_BUTTON(show_pictures_in_profile, show_pictures_in_profile, profTogglePicture);
	TOOLBOX_PREF_BUTTON(tankbar, tankbar, profTankbar);
	TOOLBOX_PREF_BUTTON(percentagegraph, percentagegraph, profTissues);
	s.endGroup();
	s.beginGroup("DiveComputer");
	default_dive_computer_vendor = getSetting(s, "dive_computer_vendor");
	default_dive_computer_product = getSetting(s, "dive_computer_product");
	default_dive_computer_device = getSetting(s, "dive_computer_device");
	s.endGroup();
	QNetworkProxy proxy;
	proxy.setType(QNetworkProxy::ProxyType(prefs.proxy_type));
	proxy.setHostName(prefs.proxy_host);
	proxy.setPort(prefs.proxy_port);
	if (prefs.proxy_auth) {
		proxy.setUser(prefs.proxy_user);
		proxy.setPassword(prefs.proxy_pass);
	}
	QNetworkProxy::setApplicationProxy(proxy);

	loadRecentFiles(&s);
	if (firstRun) {
		checkSurvey(&s);
		firstRun = false;
	}
}

#undef TOOLBOX_PREF_BUTTON

void MainWindow::checkSurvey(QSettings *s)
{
	s->beginGroup("UserSurvey");
	if (!s->contains("FirstUse42")) {
		QVariant value = QDate().currentDate();
		s->setValue("FirstUse42", value);
	}
	// wait a week for production versions, but not at all for non-tagged builds
	QString ver(subsurface_version());
	int waitTime = 7;
	QDate firstUse42 = s->value("FirstUse42").toDate();
	if (run_survey || (firstUse42.daysTo(QDate().currentDate()) > waitTime && !s->contains("SurveyDone"))) {
		if (!survey)
			survey = new UserSurvey(this);
		survey->show();
	}
	s->endGroup();
}

void MainWindow::writeSettings()
{
	QSettings settings;

	settings.beginGroup("MainWindow");
	settings.setValue("lastState", (int)state);
	settings.setValue("maximized", isMaximized());
	if (!isMaximized())
		settings.setValue("size", size());
	if (state == VIEWALL)
		saveSplitterSizes();
	settings.endGroup();
}

void MainWindow::closeEvent(QCloseEvent *event)
{
	if (DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING ||
		information()->isEditing()) {
		on_actionQuit_triggered();
		event->ignore();
		return;
	}

#ifndef NO_USERMANUAL
	if (helpView && helpView->isVisible()) {
		helpView->close();
		helpView->deleteLater();
	}
#endif

	if (survey && survey->isVisible()) {
		survey->close();
		survey->deleteLater();
	}

	if (unsaved_changes() && (askSaveChanges() == false)) {
		event->ignore();
		return;
	}
	event->accept();
	writeSettings();
	QApplication::closeAllWindows();
}

DiveListView *MainWindow::dive_list()
{
	return qobject_cast<DiveListView*>(applicationState["Default"].bottomLeft);
}

GlobeGPS *MainWindow::globe()
{
	return qobject_cast<GlobeGPS*>(applicationState["Default"].bottomRight);
}

MainTab *MainWindow::information()
{
	return qobject_cast<MainTab*>(applicationState["Default"].topLeft);
}

void MainWindow::loadRecentFiles(QSettings *s)
{
	QStringList files;
	bool modified = false;

	s->beginGroup("Recent_Files");
	for (int c = 1; c <= 4; c++) {
		QString key = QString("File_%1").arg(c);
		if (s->contains(key)) {
			QString file = s->value(key).toString();

			if (QFile::exists(file)) {
				files.append(file);
			} else {
				modified = true;
			}
		} else {
			break;
		}
	}

	if (modified) {
		for (int c = 0; c < 4; c++) {
			QString key = QString("File_%1").arg(c + 1);

			if (files.count() > c) {
				s->setValue(key, files.at(c));
			} else {
				if (s->contains(key)) {
					s->remove(key);
				}
			}
		}

		s->sync();
	}
	s->endGroup();

	for (int c = 0; c < 4; c++) {
		QAction *action = this->findChild<QAction *>(QString("actionRecent%1").arg(c + 1));

		if (files.count() > c) {
			QFileInfo fi(files.at(c));
			action->setText(fi.fileName());
			action->setToolTip(fi.absoluteFilePath());
			action->setVisible(true);
		} else {
			action->setVisible(false);
		}
	}
}

void MainWindow::addRecentFile(const QStringList &newFiles)
{
	QStringList files;
	QSettings s;

	if (newFiles.isEmpty())
		return;

	s.beginGroup("Recent_Files");

	for (int c = 1; c <= 4; c++) {
		QString key = QString("File_%1").arg(c);
		if (s.contains(key)) {
			QString file = s.value(key).toString();

			files.append(file);
		} else {
			break;
		}
	}

	foreach (const QString &file, newFiles) {
		int index = files.indexOf(QDir::toNativeSeparators(file));

		if (index >= 0) {
			files.removeAt(index);
		}
	}

	foreach (const QString &file, newFiles) {
		if (QFile::exists(file)) {
			files.prepend(QDir::toNativeSeparators(file));
		}
	}

	while (files.count() > 4) {
		files.removeLast();
	}

	for (int c = 1; c <= 4; c++) {
		QString key = QString("File_%1").arg(c);

		if (files.count() >= c) {
			s.setValue(key, files.at(c - 1));
		} else {
			if (s.contains(key)) {
				s.remove(key);
			}
		}
	}
	s.endGroup();
	s.sync();

	loadRecentFiles(&s);
}

void MainWindow::removeRecentFile(QStringList failedFiles)
{
	QStringList files;
	QSettings s;

	if (failedFiles.isEmpty())
		return;

	s.beginGroup("Recent_Files");

	for (int c = 1; c <= 4; c++) {
		QString key = QString("File_%1").arg(c);

		if (s.contains(key)) {
			QString file = s.value(key).toString();
			files.append(file);
		} else {
			break;
		}
	}

	foreach (const QString &file, failedFiles)
		files.removeAll(file);

	for (int c = 1; c <= 4; c++) {
		QString key = QString("File_%1").arg(c);

		if (files.count() >= c)
			s.setValue(key, files.at(c - 1));
		else if (s.contains(key))
			s.remove(key);
	}

	s.endGroup();
	s.sync();

	loadRecentFiles(&s);
}

void MainWindow::recentFileTriggered(bool checked)
{
	Q_UNUSED(checked);

	if (!okToClose(tr("Please save or cancel the current dive edit before opening a new file.")))
		return;

	QAction *actionRecent = (QAction *)sender();

	const QString &filename = actionRecent->toolTip();

	updateLastUsedDir(QFileInfo(filename).dir().path());
	closeCurrentFile();
	loadFiles(QStringList() << filename);
}

int MainWindow::file_save_as(void)
{
	QString filename;
	const char *default_filename = existing_filename;

	// create a file dialog that allows us to save to a new file
	QFileDialog selection_dialog(this, tr("Save file as"), default_filename,
					 tr("Subsurface XML files (*.ssrf *.xml *.XML)"));
	selection_dialog.setAcceptMode(QFileDialog::AcceptSave);
	selection_dialog.setFileMode(QFileDialog::AnyFile);
	selection_dialog.setDefaultSuffix("");

	/* if the exit/cancel button is pressed return */
	if (!selection_dialog.exec())
		return 0;

	/* get the first selected file */
	filename = selection_dialog.selectedFiles().at(0);

	/* now for reasons I don't understand we appear to add a .ssrf to
	 * git style filenames <path>/directory[branch]
	 * so let's remove that */
	QRegularExpression reg(".*\\[[^]]+]\\.ssrf", QRegularExpression::CaseInsensitiveOption);
	if (reg.match(filename).hasMatch())
		filename.remove(QRegularExpression("\\.ssrf$", QRegularExpression::CaseInsensitiveOption));
	if (filename.isNull() || filename.isEmpty())
		return report_error("No filename to save into");

	if (information()->isEditing())
		information()->acceptChanges();

	if (save_dives(filename.toUtf8().data())) {
		getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
		return -1;
	}

	getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
	set_filename(filename.toUtf8().data(), true);
	setTitle(MWTF_FILENAME);
	mark_divelist_changed(false);
	addRecentFile(QStringList() << filename);
	return 0;
}

int MainWindow::file_save(void)
{
	const char *current_default;

	if (!existing_filename)
		return file_save_as();

	if (information()->isEditing())
		information()->acceptChanges();

	current_default = prefs.default_filename;
	if (strcmp(existing_filename, current_default) == 0) {
		/* if we are using the default filename the directory
		 * that we are creating the file in may not exist */
		QDir current_def_dir = QFileInfo(current_default).absoluteDir();
		if (!current_def_dir.exists())
			current_def_dir.mkpath(current_def_dir.absolutePath());
	}
	if (save_dives(existing_filename)) {
		getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
		return -1;
	}
	getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
	mark_divelist_changed(false);
	addRecentFile(QStringList() << QString(existing_filename));
	return 0;
}

NotificationWidget *MainWindow::getNotificationWidget()
{
	return ui.mainErrorMessage;
}

QString MainWindow::displayedFilename(QString fullFilename)
{
	QFile f(fullFilename);
	QFileInfo fileInfo(f);
	QString fileName(fileInfo.fileName());

	if (fullFilename.contains(prefs.cloud_git_url))
		return tr("[cloud storage for] %1").arg(fileName.left(fileName.indexOf('[')));
	else
		return fileName;
}

void MainWindow::setAutomaticTitle()
{
	setTitle();
}

void MainWindow::setTitle(enum MainWindowTitleFormat format)
{
	switch (format) {
	case MWTF_DEFAULT:
		setWindowTitle("Subsurface");
		break;
	case MWTF_FILENAME:
		if (!existing_filename) {
			setTitle(MWTF_DEFAULT);
			return;
		}
		QString unsaved = (unsaved_changes() ? " *" : "");
		setWindowTitle("Subsurface: " + displayedFilename(existing_filename) + unsaved);
		break;
	}
}

void MainWindow::importFiles(const QStringList fileNames)
{
	if (fileNames.isEmpty())
		return;

	QByteArray fileNamePtr;

	for (int i = 0; i < fileNames.size(); ++i) {
		fileNamePtr = QFile::encodeName(fileNames.at(i));
		parse_file(fileNamePtr.data());
	}
	process_dives(true, false);
	refreshDisplay();
}

void MainWindow::importTxtFiles(const QStringList fileNames)
{
	if (fileNames.isEmpty())
		return;

	QByteArray fileNamePtr, csv;

	for (int i = 0; i < fileNames.size(); ++i) {
		fileNamePtr = QFile::encodeName(fileNames.at(i));
		csv = fileNamePtr.data();
		csv.replace(strlen(csv.data()) - 3, 3, "csv");
		parse_txt_file(fileNamePtr.data(), csv);
	}
	process_dives(true, false);
	refreshDisplay();
}

void MainWindow::loadFiles(const QStringList fileNames)
{
	bool showWarning = false;
	if (fileNames.isEmpty())
		return;

	QByteArray fileNamePtr;
	QStringList failedParses;

	for (int i = 0; i < fileNames.size(); ++i) {
		int error;

		fileNamePtr = QFile::encodeName(fileNames.at(i));
		error = parse_file(fileNamePtr.data());
		if (!error) {
			set_filename(fileNamePtr.data(), true);
			setTitle(MWTF_FILENAME);
			// if there were any messages, show them
			QString warning = get_error_string();
			if (!warning.isEmpty()) {
				showWarning = true;
				getNotificationWidget()->showNotification(warning , KMessageWidget::Information);
			}
		} else {
			failedParses.append(fileNames.at(i));
		}
	}
	if (!showWarning)
		getNotificationWidget()->hideNotification();
	process_dives(false, false);
	addRecentFile(fileNames);
	removeRecentFile(failedParses);

	refreshDisplay();
	ui.actionAutoGroup->setChecked(autogroup);

	if (get_min_datafile_version() < DATAFORMAT_VERSION) {
		QMessageBox::warning(this, tr("Opening datafile from older version"),
				     tr("You opened a data file from an older version of Subsurface. We recommend\n "
					"to read the manual to learn about the changes in the new version, especially\n"
					"about dive site management which changed significantly.\n"
					"Subsurface already tried to prepopulate the data but it might be worth\n"
					"while to take a look at the new dive site management system and to make\n"
					"sure that everything looks correct."));
	}
}

void MainWindow::on_actionImportDiveLog_triggered()
{
	QStringList fileNames = QFileDialog::getOpenFileNames(this, tr("Open dive log file"), lastUsedDir(),
		tr("Dive log files (*.ssrf *.can *.csv *.db *.dld *.jlb *.lvd *.sde *.udcf *.uddf *.xml *.txt *.dlf *.apd"
			"*.SSRF *.CAN *.CSV *.DB *.DLD *.JLB *.LVD *.SDE *.UDCF *.UDDF *.xml *.TXT *.DLF *.APD);;"
			"Cochran files (*.can *.CAN);;"
			"CSV files (*.csv *.CSV);;"
			"DiveLog.de files (*.dld *.DLD);;"
			"JDiveLog files (*.jlb *.JLB);;"
			"Liquivision files (*.lvd *.LVD);;"
			"MkVI files (*.txt *.TXT);;"
			"Suunto files (*.sde *.db *.SDE *.DB);;"
			"Divesoft files (*.dlf *.DLF);;"
			"UDDF/UDCF files (*.uddf *.udcf *.UDDF *.UDCF);;"
			"XML files (*.xml *.XML);;"
			"APD log viewer (*.apd *.APD);;"
			"Datatrak/WLog Files (*.log *.LOG);;"
			"OSTCtools Files (*.dive *.DIVE);;"
			"All files (*)"));

	if (fileNames.isEmpty())
		return;
	updateLastUsedDir(QFileInfo(fileNames[0]).dir().path());

	QStringList logFiles = fileNames.filter(QRegExp("^.*\\.(?!(csv|txt|apd))", Qt::CaseInsensitive));
	QStringList csvFiles = fileNames.filter(".csv", Qt::CaseInsensitive);
	csvFiles += fileNames.filter(".apd", Qt::CaseInsensitive);
	QStringList txtFiles = fileNames.filter(".txt", Qt::CaseInsensitive);

	if (logFiles.size()) {
		importFiles(logFiles);
	}

	if (csvFiles.size()) {
		DiveLogImportDialog *diveLogImport = new DiveLogImportDialog(csvFiles, this);
		diveLogImport->show();
		process_dives(true, false);
		refreshDisplay();
	}

	if (txtFiles.size()) {
		importTxtFiles(txtFiles);
	}
}

void MainWindow::editCurrentDive()
{
	if (information()->isEditing() || DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING) {
		QMessageBox::warning(this, tr("Warning"), tr("Please, first finish the current edition before trying to do another."));
		return;
	}

	struct dive *d = current_dive;
	QString defaultDC(d->dc.model);
	DivePlannerPointsModel::instance()->clear();
	if (defaultDC == "manually added dive") {
		disableShortcuts();
		DivePlannerPointsModel::instance()->setPlanMode(DivePlannerPointsModel::ADD);
		graphics()->setAddState();
		setApplicationState("EditDive");
		DivePlannerPointsModel::instance()->loadFromDive(d);
		information()->enableEdition(MainTab::MANUALLY_ADDED_DIVE);
	} else if (defaultDC == "planned dive") {
		disableShortcuts();
		DivePlannerPointsModel::instance()->setPlanMode(DivePlannerPointsModel::PLAN);
		setApplicationState("EditPlannedDive");
		DivePlannerPointsModel::instance()->loadFromDive(d);
		information()->enableEdition(MainTab::MANUALLY_ADDED_DIVE);
	}
}

#define PREF_PROFILE(QT_PREFS)            \
	QSettings s;                      \
	s.beginGroup("TecDetails");       \
	s.setValue(#QT_PREFS, triggered); \
	PreferencesDialog::instance()->emitSettingsChanged();

#define TOOLBOX_PREF_PROFILE(METHOD, INTERNAL_PREFS, QT_PREFS)   \
	void MainWindow::on_##METHOD##_triggered(bool triggered) \
	{                                                        \
		prefs.INTERNAL_PREFS = triggered;                \
		PREF_PROFILE(QT_PREFS);                          \
	}

TOOLBOX_PREF_PROFILE(profCalcAllTissues, calcalltissues, calcalltissues);
TOOLBOX_PREF_PROFILE(profCalcCeiling, calcceiling, calcceiling);
TOOLBOX_PREF_PROFILE(profDcCeiling, dcceiling, dcceiling);
TOOLBOX_PREF_PROFILE(profEad, ead, ead);
TOOLBOX_PREF_PROFILE(profIncrement3m, calcceiling3m, calcceiling3m);
TOOLBOX_PREF_PROFILE(profMod, mod, mod);
TOOLBOX_PREF_PROFILE(profNdl_tts, calcndltts, calcndltts);
TOOLBOX_PREF_PROFILE(profPhe, pp_graphs.phe, phegraph);
TOOLBOX_PREF_PROFILE(profPn2, pp_graphs.pn2, pn2graph);
TOOLBOX_PREF_PROFILE(profPO2, pp_graphs.po2, po2graph);
TOOLBOX_PREF_PROFILE(profHR, hrgraph, hrgraph);
TOOLBOX_PREF_PROFILE(profRuler, rulergraph, rulergraph);
TOOLBOX_PREF_PROFILE(profSAC, show_sac, show_sac);
TOOLBOX_PREF_PROFILE(profScaled, zoomed_plot, zoomed_plot);
TOOLBOX_PREF_PROFILE(profTogglePicture, show_pictures_in_profile, show_pictures_in_profile);
TOOLBOX_PREF_PROFILE(profTankbar, tankbar, tankbar);
TOOLBOX_PREF_PROFILE(profTissues, percentagegraph, percentagegraph);

void MainWindow::turnOffNdlTts()
{
	const bool triggered = false;
	prefs.calcndltts = triggered;
	PREF_PROFILE(calcndltts);
}

#undef TOOLBOX_PREF_PROFILE
#undef PERF_PROFILE

void MainWindow::on_actionExport_triggered()
{
	DiveLogExportDialog diveLogExport;
	diveLogExport.exec();
}

void MainWindow::on_actionConfigure_Dive_Computer_triggered()
{
	ConfigureDiveComputerDialog *dcConfig = new ConfigureDiveComputerDialog(this);
	dcConfig->show();
}

void MainWindow::setEnabledToolbar(bool arg1)
{
	Q_FOREACH (QAction *b, profileToolbarActions)
		b->setEnabled(arg1);
}

void MainWindow::on_copy_triggered()
{
	// open dialog to select what gets copied
	// copy the displayed dive
	DiveComponentSelection dialog(this, &copyPasteDive, &what);
	dialog.exec();
}

void MainWindow::on_paste_triggered()
{
	// take the data in our copyPasteDive and apply it to selected dives
	selective_copy_dive(&copyPasteDive, &displayed_dive, what, false);
	information()->showAndTriggerEditSelective(what);
}

void MainWindow::on_actionFilterTags_triggered()
{
	if (ui.multiFilter->isVisible())
		ui.multiFilter->closeFilter();
	else
		ui.multiFilter->setVisible(true);
}

void MainWindow::registerApplicationState(const QByteArray& state, QWidget *topLeft, QWidget *topRight, QWidget *bottomLeft, QWidget *bottomRight)
{
	applicationState[state] = WidgetForQuadrant(topLeft, topRight, bottomLeft, bottomRight);
	if (ui.topLeft->indexOf(topLeft) == -1 && topLeft) {
		ui.topLeft->addWidget(topLeft);
	}
	if (ui.topRight->indexOf(topRight) == -1 && topRight) {
		ui.topRight->addWidget(topRight);
	}
	if (ui.bottomLeft->indexOf(bottomLeft) == -1 && bottomLeft) {
		ui.bottomLeft->addWidget(bottomLeft);
	}
	if(ui.bottomRight->indexOf(bottomRight) == -1 && bottomRight) {
		ui.bottomRight->addWidget(bottomRight);
	}
}

void MainWindow::setApplicationState(const QByteArray& state) {
	if (!applicationState.keys().contains(state))
		return;

	if (currentApplicationState == state)
		return;

	currentApplicationState = state;
#define SET_CURRENT_INDEX( X ) \
	if (applicationState[state].X) { \
		ui.X->setCurrentWidget( applicationState[state].X); \
		ui.X->show(); \
	} else { \
		ui.X->hide(); \
	}

	SET_CURRENT_INDEX( topLeft )
	SET_CURRENT_INDEX( topRight )
	SET_CURRENT_INDEX( bottomLeft )
	SET_CURRENT_INDEX( bottomRight )
#undef SET_CURRENT_INDEX
}