/**
* Default implementation of the mouseMoved method that opens {@linkplain InfoPanel} based on the
* graphics closest to the mouse location.
*
* <p>In order to use this mechanism, first register the info panels using the {@code
* registerInfoPanel()} method.
*
* @param evt the mouse event
* @return if the event was handled
*/
@Override
public boolean mouseMoved(MouseEvent evt) {
if (!isVisible() || mapMenu == null || mapMenu.isVisible()) {
return false;
}
if (!infoPanels.isEmpty()) {
OMGraphic newClosest =
getSelectedGraphic(infoPanelsGraphics, evt, infoPanels.getGraphicsList());
if (newClosest != null && newClosest.isVisible()) {
InfoPanel infoPanel = infoPanels.getInfoPanel(newClosest.getClass());
// Register the distance between the mouse position and the closest graphics
infoPanel.setMouseDist(newClosest.distance(evt.getPoint().getX(), evt.getPoint().getY()));
if (newClosest != closest) {
closest = newClosest;
Point containerPoint = convertPoint(evt.getPoint());
infoPanel.setPos((int) containerPoint.getX(), (int) containerPoint.getY() - 10);
// Allow custom initialization by sub-classes
if (initInfoPanel(infoPanel, newClosest, evt, containerPoint)) {
infoPanel.setVisible(true);
getGlassPanel().setVisible(true);
}
// Hides all but the info panel closest to the mouse point
checkInfoPanelVisiblity();
}
return true;
} else if (newClosest == null) {
closest = null;
hideInfoPanels();
}
}
return false;
}
/** Hides all info panels. */
protected void hideInfoPanels() {
for (InfoPanel infoPanel : infoPanels.getInfoPanels()) {
infoPanel.setVisible(false);
}
}
/** Called when a glass pane has been resolved. Adds all info panels to the glass pane */
private void addInfoPanelsToGlassPane() {
for (InfoPanel infoPanel : infoPanels.getInfoPanels()) {
getGlassPanel().add(infoPanel);
}
}
/**
* Registers the {@linkplain InfoPanel} binding.
*
* <p>These panels will automatically be added to the glass pane and will automatically be
* displayed in the {@code mouseMoved} method.
*
* <p>Override the {@linkplain #initInfoPanel()} method to initialize the info panel about to be
* shown.
*
* @param infoPanels the {@linkplain InfoPanel} panels to register
* @param graphics the list of {@linkplain OMGraphic} elements that triggers the info panel
*/
@SafeVarargs
protected final void registerInfoPanel(
InfoPanel infoPanel, Class<? extends OMGraphic>... graphics) {
infoPanels.addBinding(infoPanel, graphics);
}