private void showSelectMarkers() {
// if lastClicked is a city marker, show only that city marker and
// earthquake markers that affect that city
if (cityMarkers.contains(lastClicked)) {
hideUnclickedMarkers(cityMarkers);
for (Marker marker : quakeMarkers) {
EarthquakeMarker quakeMarker = (EarthquakeMarker) marker;
double quakeDistanceToCity = quakeMarker.getDistanceTo(lastClicked.getLocation());
double quakeDangerRadius = quakeMarker.threatCircle();
if (quakeDistanceToCity > quakeDangerRadius) {
marker.setHidden(true);
}
}
// if lastClicked is an earthquake marker, show only that earthquake marker
// and city markers that can be affected by that earthquake
} else if (quakeMarkers.contains(lastClicked)) {
hideUnclickedMarkers(quakeMarkers);
EarthquakeMarker quakeMarker = (EarthquakeMarker) lastClicked;
double quakeDangerRadius = quakeMarker.threatCircle();
for (Marker marker : cityMarkers) {
double quakeDistanceToCity = quakeMarker.getDistanceTo(marker.getLocation());
if (quakeDistanceToCity > quakeDangerRadius) {
marker.setHidden(true);
}
}
}
}
// Helper method that will check if a city marker was clicked on
// and respond appropriately
private void checkCitiesForClick() {
if (lastClicked != null) return;
// Loop over the earthquake markers to see if one of them is selected
for (Marker marker : cityMarkers) {
if (!marker.isHidden() && marker.isInside(map, mouseX, mouseY)) {
lastClicked = (CommonMarker) marker;
// Hide all the other earthquakes and hide
for (Marker mhide : cityMarkers) if (mhide != lastClicked) mhide.setHidden(true);
for (Marker mhide : quakeMarkers) {
EarthquakeMarker quakeMarker = (EarthquakeMarker) mhide;
if (quakeMarker.getDistanceTo(marker.getLocation()) > quakeMarker.threatCircle())
quakeMarker.setHidden(true);
}
return;
}
}
}