/**
* 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 but the info panel closest to the mouse point */
private synchronized void checkInfoPanelVisiblity() {
InfoPanel closestInfoPanel = null;
for (Component component : getGlassPanel().getComponents()) {
if (component instanceof InfoPanel && component.isVisible()) {
InfoPanel infoPanel = (InfoPanel) component;
if (closestInfoPanel != null
&& infoPanel.getMouseDist() < closestInfoPanel.getMouseDist()) {
closestInfoPanel.setVisible(false);
closestInfoPanel = infoPanel;
} else if (closestInfoPanel != null) {
infoPanel.setVisible(false);
} else if (closestInfoPanel == null) {
closestInfoPanel = infoPanel;
}
}
}
}
/** Hides all info panels. */
protected void hideInfoPanels() {
for (InfoPanel infoPanel : infoPanels.getInfoPanels()) {
infoPanel.setVisible(false);
}
}