private void arrowKeyUp(KeyUpEvent event) {
if (!diagramPane.getPopupMenu().isShowing()) {
int x = 0;
int y = 0;
if (event.isLeftArrow()) {
x = Parameters.MOVEX;
} else if (event.isRightArrow()) {
x = -Parameters.MOVEX;
} else if (event.isUpArrow()) {
y = Parameters.MOVEY;
} else if (event.isDownArrow()) {
y = -Parameters.MOVEY;
}
diagramPane.translate(x, y);
diagramPane.update();
}
}
private void mouseWheel(MouseWheelEvent event) {
if (diagramPane.getPopupMenu().isShowing() || ignoreMouseWheelEvent) return;
Timer stopIgnoringEventTimer =
new Timer() {
@Override
public void run() {
ignoreMouseWheelEvent = false;
}
};
ignoreMouseWheelEvent = true;
stopIgnoringEventTimer.schedule(250);
Point scrollPoint = new Point(event.getX(), event.getY());
if (event.getDeltaY() < 0) {
diagramPane.zoomIn(scrollPoint);
} else if (event.getDeltaY() > 0) {
diagramPane.zoomOut(scrollPoint);
}
diagramPane.update();
}