protected void dragWholeShape(DragSelectEvent dragEvent, Movable dragObject) {
View view = getWwd().getView();
EllipsoidalGlobe globe = (EllipsoidalGlobe) getWwd().getModel().getGlobe();
// Compute ref-point position in screen coordinates.
Position refPos = dragObject.getReferencePosition();
if (refPos == null) return;
Vec4 refPoint = globe.computePointFromPosition(refPos);
Vec4 screenRefPoint = view.project(refPoint);
// Compute screen-coord delta since last event.
int dx = dragEvent.getPickPoint().x - dragEvent.getPreviousPickPoint().x;
int dy = dragEvent.getPickPoint().y - dragEvent.getPreviousPickPoint().y;
// Find intersection of screen coord ref-point with globe.
double x = screenRefPoint.x + dx;
double y =
dragEvent.getMouseEvent().getComponent().getSize().height - screenRefPoint.y + dy - 1;
Line ray = view.computeRayFromScreenPoint(x, y);
Intersection inters[] = globe.intersect(ray, refPos.getElevation());
if (inters != null) {
// Intersection with globe. Move reference point to the intersection point.
Position p = globe.computePositionFromPoint(inters[0].getIntersectionPoint());
dragObject.moveTo(p);
}
}
public void selected(SelectEvent event) {
if (event == null) {
String msg = Logging.getMessage("nullValue.EventIsNull");
Logging.logger().log(java.util.logging.Level.FINE, msg);
throw new IllegalArgumentException(msg);
}
if (event.getTopObject() != null && !(event.getTopObject() instanceof RegionShape)) {
this.setCursor(null);
return;
}
if (event.getEventAction().equals(SelectEvent.LEFT_PRESS)) {
this.setPreviousPosition(this.getWwd().getCurrentPosition());
} else if (event.getEventAction().equals(SelectEvent.DRAG)) {
DragSelectEvent dragEvent = (DragSelectEvent) event;
Object topObject = dragEvent.getTopObject();
if (topObject == null) return;
RegionShape dragObject = (RegionShape) topObject;
if (this.getOperation() == SIZING) {
Sector newSector = this.resizeShape(dragObject, this.getSide());
if (newSector != null) dragObject.setSector(newSector);
} else {
this.setSide(this.determineAdjustmentSide(dragObject, this.getEdgeFactor()));
if (this.getSide() == NONE || this.getOperation() == MOVING) {
this.setOperation(MOVING);
this.dragWholeShape(dragEvent, dragObject);
} else {
Sector newSector = this.resizeShape(dragObject, this.getSide());
if (newSector != null) dragObject.setSector(newSector);
this.setOperation(SIZING);
}
}
this.setPreviousPosition(this.getWwd().getCurrentPosition());
this.notifySectorChanged();
} else if (event.getEventAction().equals(SelectEvent.DRAG_END)) {
this.setOperation(NONE);
this.setPreviousPosition(null);
} else if (event.getEventAction().equals(SelectEvent.ROLLOVER)) {
if (!(this.getWwd() instanceof Component)) return;
if (event.getTopObject() == null || event.getTopPickedObject().isTerrain()) {
this.setCursor(null);
return;
}
if (!(event.getTopObject() instanceof Movable)) return;
this.setCursor(
this.determineAdjustmentSide((Movable) event.getTopObject(), this.getEdgeFactor()));
}
}