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path: root/qt-ui/locationinformation.cpp
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#include "locationinformation.h"
#include "dive.h"
#include "mainwindow.h"
#include "divelistview.h"
#include "qthelper.h"
#include "globe.h"
#include "filtermodels.h"
#include "divelocationmodel.h"
#include <QDebug>
#include <QShowEvent>

LocationInformationWidget::LocationInformationWidget(QWidget *parent) : QGroupBox(parent), modified(false)
{
	ui.setupUi(this);
	ui.diveSiteMessage->setCloseButtonVisible(false);

	acceptAction = new QAction(tr("Apply changes"), this);
	connect(acceptAction, SIGNAL(triggered(bool)), this, SLOT(acceptChanges()));

	rejectAction = new QAction(tr("Discard changes"), this);
	connect(rejectAction, SIGNAL(triggered(bool)), this, SLOT(rejectChanges()));

	ui.diveSiteMessage->setText(tr("Dive site management"));
	ui.diveSiteMessage->addAction(acceptAction);
	ui.diveSiteMessage->addAction(rejectAction);

	connect(this, SIGNAL(startFilterDiveSite(uint32_t)), MultiFilterSortModel::instance(), SLOT(startFilterDiveSite(uint32_t)));
	connect(this, SIGNAL(stopFilterDiveSite()), MultiFilterSortModel::instance(), SLOT(stopFilterDiveSite()));
}

void LocationInformationWidget::updateLabels()
{
	if (displayed_dive_site.name)
		ui.diveSiteName->setText(displayed_dive_site.name);
	else
		ui.diveSiteName->clear();
	if (displayed_dive_site.description)
		ui.diveSiteDescription->setText(displayed_dive_site.description);
	else
		ui.diveSiteDescription->clear();
	if (displayed_dive_site.notes)
		ui.diveSiteNotes->setPlainText(displayed_dive_site.notes);
	else
		ui.diveSiteNotes->clear();
	if (displayed_dive_site.latitude.udeg || displayed_dive_site.longitude.udeg)
		ui.diveSiteCoordinates->setText(printGPSCoords(displayed_dive_site.latitude.udeg, displayed_dive_site.longitude.udeg));
	else
		ui.diveSiteCoordinates->clear();

	emit startFilterDiveSite(displayed_dive_site.uuid);
	emit startEditDiveSite(displayed_dive_site.uuid);
}

void LocationInformationWidget::updateGpsCoordinates()
{
	ui.diveSiteCoordinates->setText(printGPSCoords(displayed_dive_site.latitude.udeg, displayed_dive_site.longitude.udeg));
}

void LocationInformationWidget::acceptChanges()
{
	emit stopFilterDiveSite();
	char *uiString;
	struct dive_site *currentDs = get_dive_site_by_uuid(displayed_dive_site.uuid);
	currentDs->latitude = displayed_dive_site.latitude;
	currentDs->longitude = displayed_dive_site.longitude;
	uiString = ui.diveSiteName->text().toUtf8().data();
	if (!same_string(uiString, currentDs->name)) {
		free(currentDs->name);
		currentDs->name = copy_string(uiString);
	}
	uiString = ui.diveSiteDescription->text().toUtf8().data();
	if (!same_string(uiString, currentDs->description)) {
		free(currentDs->description);
		currentDs->description = copy_string(uiString);
	}
	uiString = ui.diveSiteNotes->document()->toPlainText().toUtf8().data();
	if (!same_string(uiString, currentDs->notes)) {
		free(currentDs->notes);
		currentDs->notes = copy_string(uiString);
	}
	if (dive_site_is_empty(currentDs)) {
		LocationInformationModel::instance()->removeRow(get_divesite_idx(currentDs));
		displayed_dive.dive_site_uuid = 0;
	}

	mark_divelist_changed(true);
	resetState();
	emit informationManagementEnded();
	emit coordinatesChanged();
}

void LocationInformationWidget::rejectChanges()
{
	resetState();
	emit stopFilterDiveSite();
	emit informationManagementEnded();
	emit coordinatesChanged();
}

void LocationInformationWidget::showEvent(QShowEvent *ev)
{
	if (displayed_dive_site.uuid)
		updateLabels();
		emit startFilterDiveSite(displayed_dive_site.uuid);
	QGroupBox::showEvent(ev);
}

void LocationInformationWidget::markChangedWidget(QWidget *w)
{
	QPalette p;
	qreal h, s, l, a;
	if (!modified)
		enableEdition();
	qApp->palette().color(QPalette::Text).getHslF(&h, &s, &l, &a);
	p.setBrush(QPalette::Base, (l <= 0.3) ? QColor(Qt::yellow).lighter()
		: (l <= 0.6) ? QColor(Qt::yellow).light()
		: /* else */ QColor(Qt::yellow).darker(300));
	w->setPalette(p);
	modified = true;
}

void LocationInformationWidget::resetState()
{
	modified = false;
	resetPallete();
	MainWindow::instance()->dive_list()->setEnabled(true);
	MainWindow::instance()->setEnabledToolbar(true);
	ui.diveSiteMessage->setText(tr("Dive site management"));
}

void LocationInformationWidget::enableEdition()
{
	MainWindow::instance()->dive_list()->setEnabled(false);
	MainWindow::instance()->setEnabledToolbar(false);
	ui.diveSiteMessage->setText(tr("You are editing a dive site"));
}

extern bool parseGpsText(const QString &gps_text, double *latitude, double *longitude);

void LocationInformationWidget::on_diveSiteCoordinates_textChanged(const QString& text)
{
	uint lat = displayed_dive_site.latitude.udeg;
	uint lon = displayed_dive_site.longitude.udeg;
	if (!same_string(qPrintable(text), printGPSCoords(lat, lon))) {
		double latitude, longitude;
		if (parseGpsText(text, &latitude, &longitude)) {
			displayed_dive_site.latitude.udeg = latitude * 1000000;
			displayed_dive_site.longitude.udeg = longitude * 1000000;
			markChangedWidget(ui.diveSiteCoordinates);
			emit coordinatesChanged();
		}
	}
}

void LocationInformationWidget::on_diveSiteDescription_textChanged(const QString& text)
{
	if (!same_string(qPrintable(text), displayed_dive_site.description))
		markChangedWidget(ui.diveSiteDescription);
}

void LocationInformationWidget::on_diveSiteName_textChanged(const QString& text)
{
	if (!same_string(qPrintable(text), displayed_dive_site.name))
		markChangedWidget(ui.diveSiteName);
}

void LocationInformationWidget::on_diveSiteNotes_textChanged()
{
	if (!same_string(qPrintable(ui.diveSiteNotes->toPlainText()),  displayed_dive_site.notes))
		markChangedWidget(ui.diveSiteNotes);
}

void LocationInformationWidget::resetPallete()
{
	QPalette p;
	ui.diveSiteCoordinates->setPalette(p);
	ui.diveSiteDescription->setPalette(p);
	ui.diveSiteName->setPalette(p);
	ui.diveSiteNotes->setPalette(p);
}

bool LocationManagementEditHelper::eventFilter(QObject *obj, QEvent *ev)
{
	QListView *view = qobject_cast<QListView*>(obj);
	if(!view)
		return false;

	if(ev->type() == QEvent::Show) {
		last_uuid = 0;
		qDebug() << "EventFilter: " << last_uuid;
	}

	if(ev->type() == QEvent::KeyPress) {
		QKeyEvent *keyEv = (QKeyEvent*) ev;
		if(keyEv->key() == Qt::Key_Return) {
			handleActivation(view->currentIndex());
			view->hide();
			return true;
		}
	}
	return false;
}

void LocationManagementEditHelper::handleActivation(const QModelIndex& activated)
{
	if (!activated.isValid())
		return;
	QModelIndex  uuidIdx = activated.model()->index(
		activated.row(), LocationInformationModel::UUID);
	last_uuid = uuidIdx.data().toInt();

	// Special case: first two options: add dive site.
	if (activated.row() < 2) {
		qDebug() << "Setting to " << activated.data().toString();
		emit setLineEditText(activated.data().toString());
	}
	qDebug() << "Selected dive_site: " << last_uuid;
}

void LocationManagementEditHelper::resetDiveSiteUuid() {
	last_uuid = 0;
	qDebug() << "Reset: " << last_uuid;
}

uint32_t LocationManagementEditHelper::diveSiteUuid() const {
	return last_uuid;
}