/**
* Sets a layer to a symbol in order to create a final symbol composed by different layers.
*
* @param layer
*/
protected void setLayerToSymbol(ISymbol layer) {
int i = getLayerManager().getSelectedLayerIndex();
IMultiLayerSymbol s = (IMultiLayerSymbol) symbol;
if (i >= 0 && i < s.getLayerCount()) {
s.setLayer(s.getLayerCount() - 1 - i, layer);
}
refresh();
}
