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#include "globe.h"
#include "kmessagewidget.h"
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "../dive.h"
#include "../divelist.h"
#include "../helpers.h"
#include <QDebug>
#include <marble/AbstractFloatItem.h>
#include <marble/GeoDataPlacemark.h>
#include <marble/GeoDataDocument.h>
#include <marble/MarbleModel.h>
#include <marble/MarbleDirs.h>
#include <marble/MapThemeManager.h>
#include <marble/GeoDataLineString.h>
#if INCOMPLETE_MARBLE
#include "marble/GeoDataTreeModel.h"
#else
#include <marble/GeoDataTreeModel.h>
#endif
#include <QMouseEvent>
#include <QMessageBox>
GlobeGPS::GlobeGPS(QWidget* parent) : MarbleWidget(parent), loadedDives(0)
{
// check if Google Sat Maps are installed
// if not, check if they are in a known location
MapThemeManager mtm;
QStringList list = mtm.mapThemeIds();
QString theme, subsurfaceDataPath;
QDir marble;
bool foundGoogleMap = false;
Q_FOREACH(theme, list)
if (theme == "earth/googlesat/googlesat.dgml")
foundGoogleMap = true;
if (!foundGoogleMap) {
subsurfaceDataPath = getSubsurfaceDataPath("marbledata");
if (subsurfaceDataPath != "")
MarbleDirs::setMarbleDataPath(subsurfaceDataPath);
}
messageWidget = new KMessageWidget(this);
messageWidget->setCloseButtonVisible(false);
messageWidget->setHidden(true);
setMapThemeId("earth/googlesat/googlesat.dgml");
//setMapThemeId("earth/openstreetmap/openstreetmap.dgml");
setProjection(Marble::Spherical);
setAnimationsEnabled(true);
setShowClouds(false);
setShowBorders(false);
setShowPlaces(true);
setShowCrosshairs(false);
setShowGrid(false);
setShowOverviewMap(false);
setShowScaleBar(true);
setShowCompass(false);
connect(this, SIGNAL(mouseClickGeoPosition(qreal, qreal, GeoDataCoordinates::Unit)),
this, SLOT(mouseClicked(qreal, qreal, GeoDataCoordinates::Unit)));
setMinimumHeight(0);
setMinimumWidth(0);
}
void GlobeGPS::mouseClicked(qreal lon, qreal lat, GeoDataCoordinates::Unit unit)
{
GeoDataCoordinates here(lon, lat, unit);
long lon_udeg = rint(1000000 * here.longitude(GeoDataCoordinates::Degree));
long lat_udeg = rint(1000000 * here.latitude(GeoDataCoordinates::Degree));
// distance() is in km above the map.
// We're going to use that to decide how
// approximate the dives have to be.
//
// Totally arbitrarily I say that 1km
// distance means that we can resolve
// to about 100m. Which in turn is about
// 1000 udeg.
//
// Trigonometry is hard, but sin x == x
// for small x, so let's just do this as
// a linear thing.
long resolve = rint(distance() * 1000);
int idx;
struct dive *dive;
bool clear = !(QApplication::keyboardModifiers() && Qt::ControlModifier);
bool toggle = !clear;
bool first = true;
for_each_dive(idx, dive) {
long lat_diff, lon_diff;
if (!dive_has_gps_location(dive))
continue;
lat_diff = labs(dive->latitude.udeg - lat_udeg);
lon_diff = labs(dive->longitude.udeg - lon_udeg);
if (lat_diff > 180000000)
lat_diff = 360000000 - lat_diff;
if (lon_diff > 180000000)
lon_diff = 180000000 - lon_diff;
if (lat_diff > resolve || lon_diff > resolve)
continue;
if (clear) {
mainWindow()->dive_list()->unselectDives();
clear = false;
}
mainWindow()->dive_list()->selectDive(dive, first, toggle);
first = false;
}
}
void GlobeGPS::reload()
{
if (loadedDives) {
model()->treeModel()->removeDocument(loadedDives);
delete loadedDives;
}
if (editingDiveCoords) {
editingDiveCoords = 0;
if (messageWidget->isVisible())
messageWidget->animatedHide();
}
loadedDives = new GeoDataDocument;
QMap<QString, GeoDataPlacemark *> locationMap;
int idx = 0;
struct dive *dive;
for_each_dive(idx, dive) {
if (dive_has_gps_location(dive)) {
GeoDataPlacemark *place = new GeoDataPlacemark(dive->location);
place->setCoordinate(dive->longitude.udeg / 1000000.0,dive->latitude.udeg / 1000000.0 , 0, GeoDataCoordinates::Degree);
// don't add dive locations twice, unless they are at least 50m apart
if (locationMap[QString(dive->location)]) {
GeoDataCoordinates existingLocation = locationMap[QString(dive->location)]->coordinate();
GeoDataLineString segment = GeoDataLineString();
segment.append(existingLocation);
GeoDataCoordinates newLocation = place->coordinate();
segment.append(newLocation);
double dist = segment.length(6371);
// the dist is scaled to the radius given - so with 6371km as radius
// 50m turns into 0.05 as threashold
if (dist < 0.05)
continue;
}
locationMap[QString(dive->location)] = place;
loadedDives->append(place);
}
}
model()->treeModel()->addDocument(loadedDives);
}
void GlobeGPS::centerOn(dive* dive)
{
// dive has changed, if we had the 'editingDive', hide it.
if (messageWidget->isVisible() && (!dive || dive_has_gps_location(dive))) {
messageWidget->animatedHide();
}
if (!dive)
return;
editingDiveCoords = 0;
qreal longitude = dive->longitude.udeg / 1000000.0;
qreal latitude = dive->latitude.udeg / 1000000.0;
if (!longitude || !latitude) {
prepareForGetDiveCoordinates(dive);
return;
}
// set the zoom as seen from n kilometer above. 3km / 10,000ft seems pleasant
// do not change it it was already modified by user
if (!zoom())
zoomView(zoomFromDistance(3));
centerOn(longitude,latitude, true);
}
void GlobeGPS::prepareForGetDiveCoordinates(dive* dive)
{
if (!messageWidget->isVisible()) {
messageWidget->setMessageType(KMessageWidget::Warning);
messageWidget->setText(QObject::tr("No location data - move the map and double-click to set the dive location"));
messageWidget->setWordWrap(true);
messageWidget->animatedShow();
}
editingDiveCoords = dive;
}
void GlobeGPS::changeDiveGeoPosition(qreal lon, qreal lat, GeoDataCoordinates::Unit unit)
{
// convert to degrees if in radian.
if (unit == GeoDataCoordinates::Radian) {
lon = lon * 180 / M_PI;
lat = lat * 180 / M_PI;
}
if (!editingDiveCoords) {
return;
}
editingDiveCoords->latitude.udeg = lrint(lat * 1000000.0);
editingDiveCoords->longitude.udeg = lrint(lon * 1000000.0);
centerOn(lon, lat, true);
reload();
editingDiveCoords = 0;
messageWidget->animatedHide();
mark_divelist_changed(TRUE);
}
void GlobeGPS::mousePressEvent(QMouseEvent* event)
{
qreal lat, lon;
if (editingDiveCoords && geoCoordinates(event->pos().x(), event->pos().y(), lon, lat, GeoDataCoordinates::Degree)) {
changeDiveGeoPosition(lon, lat, GeoDataCoordinates::Degree);
}
}
void GlobeGPS::resizeEvent(QResizeEvent* event)
{
int size = event->size().width();
MarbleWidget::resizeEvent(event);
if (size > 600)
messageWidget->setGeometry((size - 600) / 2, 5, 600, 0);
else
messageWidget->setGeometry(5, 5, size - 10, 0);
messageWidget->setMaximumHeight(500);
}
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