import nl.idgis.giclient.gis.GIS;
import nl.idgis.giclient.gis.CentreScale;
import nl.idgis.giclient.webserviceconnector.TransformConnectorListener;
import nl.idgis.giclient.geoma.Geometry;
import nl.idgis.giclient.geoma.MultiPoint;
import nl.idgis.giclient.geoma.Point;
import nl.idgis.giclient.geoma.Envelope;

class nl.idgis.giclient.gis.ZoomResponseHandler implements TransformConnectorListener {
	private var gis:GIS = null;
	
	function ZoomResponseHandler(gis:GIS) {
		this.gis = gis;
	}
	
	function transformed(geom:Geometry):Void {
		var points:Array = MultiPoint(geom).getGeometries();
		var min:Point = Point(points[0]);
		var max:Point = Point(points[1]);		
		var envelope:Envelope = new Envelope(gis.getActiveMap().getSRS(),
			min.getX(), min.getY(), max.getX(), max.getY());
		var zoomCentreScale:CentreScale = envelope.toCentreScale(Stage.width, Stage.height - 100, gis.getCoordPixFactor());
	    var zoomScale:Number = zoomCentreScale.getScale() * 1.3;
	    zoomScale = gis.adaptScaleToBounds(zoomScale);
	    gis.setCurrentCentreScale(zoomCentreScale.getCentreX(), zoomCentreScale.getCentreY(), zoomScale);
	}
}