/**
* Initializes graphical user interface. Layout of this panel is set to <code>null</code> (no
* <code>LayoutManager</code>) so that <code>ReceiverView</code> items can be positioned
* absolutely.
*
* @see ReceiverView
* @see LayoutManager
*/
private void initializeGui() {
logger = Utilities.initializeLogger(this.getClass().getName());
setSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
setPreferredSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
setBackground(new Color(GRAY_COLOUR, GRAY_COLOUR, GRAY_COLOUR));
setLayout(null); // in order to position ReceiverViews absolutely
refreshPreviewImage();
// register all receiver views to the ComponentMover
componentMover = new ComponentMover();
// add zero coordinate marker views
addCoordinateZeroMarkerViewsToMap();
for (Receiver receiver : map.getReceivers()) {
ReceiverView receiverView = new ReceiverView(receiver, this);
receiverViews.add(receiverView);
this.add(receiverView);
// TODO: location should be calculated with offsets for scaling
// the image and pixel/meter scaling
double receiverPositionInMetersX = receiver.getXPos();
double receiverPositionInMetersY = receiver.getYPos();
double mapRatioWidth = map.getRatioWidth();
double mapRatioHeight = map.getRatioHeight();
int lowerLeftMarkerOffsetXInPixels = map.getLowerLeftMarkerOffsetXInPixels();
int lowerLeftMarkerOffsetYInPixels = map.getLowerLeftMarkerOffsetYInPixels();
int receiverPositionInPixelsX =
calculateReceiverPositionInPixelsX(
receiverPositionInMetersX, lowerLeftMarkerOffsetXInPixels, mapRatioWidth);
int receiverPositionInPixelsY =
calculateReceiverPositionInPixelsY(
receiverPositionInMetersY, lowerLeftMarkerOffsetYInPixels, mapRatioHeight);
receiverView.setLocation(receiverPositionInPixelsX, receiverPositionInPixelsY);
componentMover.registerComponent(receiverView);
}
}
/**
* Instantiates a new <code>HardcodedMapDAO</code> object. Although it is not implemented as a
* singleton (and therefore multiple instances can be created), only one instance should be used,
* since multiple instances will read/write from/to the same data source.
*/
public HardcodedMapDAO() {
logger = Utilities.initializeLogger(this.getClass().getName());
}