// **********************************************************************
// **********************************************************************

package com.bbn.openmap.layer.location.generic;

import java.awt.Image;

import com.bbn.openmap.omGraphics.OMGraphic;
import com.bbn.openmap.omGraphics.OMRaster;
import com.bbn.openmap.layer.location.Location;
import com.bbn.openmap.layer.location.BasicLocation;
import com.bbn.openmap.layer.location.URLRasterLocation;
import com.bbn.openmap.layer.location.ImageIconRasterLocation;

/**
 * This class is responsible for producing LocationData
 */
public class UnitDataFactory
				implements LocationDataFactory 
{
	
	public UnitDataFactory()	{};
	// ----------------------
    public String[]		getLatLonNameArr()
		{
				return UnitData.getLatLonNameArr();
		}
	// ------------------------------------
    public LocationDataRecord makeLocationData()
		{
			return new UnitData();
		}
		// ---------------------------------------------------------------------------------------------
		public Location	makeLocation(float latitude, float longitude, String name, Image locationMarker)
		{
			Location retVal = null;
				if(locationMarker != null)
				{ 
					//retVal = new ImageIconRasterLocation(latitude, longitude, name, locationMarker);
					retVal = new BasicLocation(latitude, longitude, name, getIconRaster(latitude, longitude, locationMarker));
				}
				else
				{ retVal = new BasicLocation(latitude, longitude, name, null);}
			return retVal;
		}
		// ---------------------------------------------------------------------------------------------
		public Location	makeLocation(float latitude, float longitude, String name, String locationMarker)
		{
			Location retVal = null;
				if(locationMarker != null)
				{	retVal = new URLRasterLocation(latitude, longitude, name, locationMarker);}
				else
				{	retVal = new BasicLocation(latitude, longitude, name, null);}
				return retVal;
		}
		
		// ---------------------------------------------------------------------------------------------
   /**
     * Create an OMRaster at a latitude/longitude, from a image URL.
     * 
     * @param lat latitide in decimal degrees
     * @param lon longitude in decimal degrees.
     * @param iconURL a URL for an image
     */
    public static OMRaster getIconRaster(float lat, float lon, Image icon) 
		{
			OMRaster retVal = null;
      if (icon != null)
			{
        int offX = icon.getWidth(null) / 2;
        int offY = icon.getHeight(null) / 2;
        retVal = new OMRaster(lat, lon, -(offX+1), -offY, icon);
			}
			return retVal;
    }
		
}