/**
* Creates a <code>ReceiverView</code> object from <code>Receiver</code> object and adds it to the
* <code>MapPreviewPanel</code>.
*
* @param receiver <code>Receiver</code> object
*/
public void addReceiverViewToMap(Receiver receiver) {
ReceiverView receiverView = new ReceiverView(receiver, this);
receiverViews.add(receiverView);
this.add(receiverView);
receiverView.setLocation((int) receiver.getXPos(), (int) receiver.getYPos());
componentMover.registerComponent(receiverView);
repaint();
}
/**
* 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);
}
}
/**
* Removes the <code>ReceiverView</code> object from <code>RoomMap</code>.
*
* @param receiver <code>Receiver</code> object
*/
public void removeReceiverViewFromMap(Receiver receiver) {
for (ReceiverView receiverView : receiverViews) {
if (receiverView.getReceiver().getID() == receiver.getID()) {
// remove receiver from map and receiverViews list
this.remove(receiverView);
receiverViews.remove(receiverView);
componentMover.deregisterComponent(receiverView);
repaint();
// set receivers coordinates to 0,0
for (Receiver receiverItem : map.getReceivers()) {
if (receiverItem.getID() == receiver.getID()) {
receiverItem.setOnMap(false);
receiverItem.setxPos(0.0);
receiverItem.setyPos(0.0);
}
}
return;
}
}
}
