/*----------------    FILE HEADER ---------------------------------------
 This file is part of Geoide.
 Copyright (C) 2005-2006 by:
 IDgis B.V.
 http://www.idgis.nl

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 Contact:

 Herman Assink
 IDgis bv
 P.O. Box 15
 7450 AA Holten
 The Netherlands
 E-Mail: herman.assink@idgis.nl

 * @version 1.4.0
 * @author IDgis team
 * 
 ------------------------------------------------------------------------*/
import nl.idgis.giclient.geoma.LinearRing;
import nl.idgis.giclient.geoma.Point;
import nl.idgis.giclient.geoma.Polygon;
import nl.idgis.giclient.modes.MapViewerMeasure;
import nl.idgis.giclient.util.Strings;

class nl.idgis.giclient.modes.MapViewerMeasureArea extends MapViewerMeasure {
    
    private var areaText:String = null;
    private var areaUnitsText:String = " ha";
    private var outlineText:String = null;
    private var outlineUnitsText:String = " m";
    
    private function createGeometry(point:Point):Void {
        selectionGeometry = new Polygon(point.getSRS(), new LinearRing(point.getSRS(), new Array(point, point)));
        selectionGeometry.addPoint(new Point(point.getSRS(), point.getX(), point.getY()));
    }
    
    private function createLabel():String {    	 
    	if(areaText==null){
    		areaText = ( Strings.getFile("Geoide").getString("Area")) + ": ";
    	} 
    	if(outlineText==null){
    		outlineText = ( Strings.getFile("Geoide").getString("Perimeter")) + ": ";
    	} 
    	
        var polygon:Polygon = Polygon(selectionGeometry);
        var area:Number = Math.round(polygon.getArea()) / 10000;
        var outline:Number = Math.round(polygon.getExteriorRing().getLength());;
        return areaText + area + areaUnitsText + " / " + outlineText + outline + outlineUnitsText; 
    }
}