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);
}
}
}
}
// If there was a marker underneath the mouse when it was clicked
// it's clicked property is set to true
// returns true if the marker was found underneath it
private boolean clickMarkerIfClicked(List<Marker> markers, float x, float y) {
for (Marker marker : markers) {
if (marker.isInside(map, x, y)) {
lastClicked = (CommonMarker) marker;
lastClicked.setClicked(true);
return true;
}
}
return false;
}
// If there is a marker under the cursor, and lastSelected is null
// set the lastSelected to be the first marker found under the cursor
// Make sure you do not select two markers.
//
private void selectMarkerIfHover(List<Marker> markers) {
// Select the marker and call it's setSelected() method with first argument as true
for (Marker marker : markers) {
if (marker.isInside(map, mouseX, mouseY)) {
lastSelected = (CommonMarker) marker;
lastSelected.setSelected(true);
break;
}
}
}
/** Event handler that gets called automatically when the mouse moves. */
@Override
public void mouseMoved() {
// clear the last selection
if (lastSelected != null) {
lastSelected.setSelected(false);
lastSelected = null;
}
selectMarkerIfHover(quakeMarkers);
selectMarkerIfHover(cityMarkers);
}
// If there is a marker under the cursor, and lastSelected is null
// set the lastSelected to be the first marker found under the cursor
// Make sure you do not select two markers.
//
private void selectMarkerIfHover(List<Marker> markers) {
// TODO: Implement this method
if (lastSelected != null) return;
for (Marker marker : markers) {
if (marker.isInside(map, mouseX, mouseY)) {
lastSelected = (CommonMarker) marker;
lastSelected.setSelected(true);
return;
}
}
}
/**
* The event handler for mouse clicks It will display an earthquake and its threat circle of
* cities Or if a city is clicked, it will display all the earthquakes where the city is in the
* threat circle
*/
@Override
public void mouseClicked() {
// TODO: Implement this method
// Hint: You probably want a helper method or two to keep this code
// from getting too long/disorganized
if (lastClicked != null) {
unhideMarkers();
lastClicked.setSelected(false);
lastClicked = null;
} else {
selectMarkerIfClicked(quakeMarkers);
selectMarkerIfClicked(cityMarkers);
if (lastClicked != null) {
showSelectMarkers();
}
}
}
/**
* The event handler for mouse clicks It will display an earthquake and its threat circle of
* cities Or if a city is clicked, it will display all the earthquakes where the city is in the
* threat circle
*/
@Override
public void mouseClicked() {
// Hint: You probably want a helper method or two to keep this code
// from getting too long/disorganized
// instantly saving the x and y coordinates of the click
float x = mouseX;
float y = mouseY;
// lastClicked tells us if it was clicked before
if (lastClicked != null) {
lastClicked.setClicked(false);
lastClicked = null;
unhideMarkers();
}
if (clickMarkerIfClicked(quakeMarkers, x, y) || clickMarkerIfClicked(cityMarkers, x, y)) {
hideSafeMarkers();
}
}
private void hideSafeMarkers() {
lastClicked.showThreat(quakeMarkers, cityMarkers);
}