Rectangle colHeaderBounds = contextLayer.getBoundsByPosition(
columnPosition, 0);
Point point = new Point(colHeaderBounds.x, colHeaderBounds.y
+ colHeaderBounds.height);
dialog.setLocation(command.toDisplayCoordinates(point));
dialog.open();
if (!dialog.isCancelPressed()) {
int columnIndex = contextLayer
.getColumnIndexByPosition(columnPosition);
ColumnGroup columnGroup = model.getColumnGroupByIndex(columnIndex);