/*----------------    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.Ellipse;
import nl.idgis.giclient.geoma.LinearRing;
import nl.idgis.giclient.geoma.Point;
import nl.idgis.giclient.gui.mapviewer.MapGeometry;
import nl.idgis.giclient.gui.mapviewer.MapViewer;
import nl.idgis.giclient.modes.MapViewerEditCreate;

class nl.idgis.giclient.modes.MapViewerCreateEllipse extends MapViewerEditCreate {

    function performPress(mapViewer:MapViewer,pressX:Number,pressY:Number, worldPoint:Point):Void {
        var point:Point = mapViewer.pixel2Point(pressX, pressY);
        if (mapViewer.getGeometryLayer().getSelectedMapGeometry() == null) {
            createGeometry(mapViewer, point);
        } else {
            _root["apiInterpreter"].onChangeGeometry(mapViewer.getGeometryLayer().getSelectedMapGeometry().getGeometry(), true);
            mapViewer.getGeometryLayer().setSelectedMapGeometry(null);
            mapViewer.ruler.setActiveMode(mapViewer.ruler.getDefaultEditMode());
        }
    }

    function performMouseMove(mapViewer:MapViewer):Void {
        var selectedMapGeometry:MapGeometry = mapViewer.getGeometryLayer().getSelectedMapGeometry();
        if (selectedMapGeometry != null) {
            var point:Point = mapViewer.pixel2Point(mapViewer._xmouse,mapViewer._ymouse);
            var ellipse:Ellipse = Ellipse(selectedMapGeometry.getGeometry());
            ellipse.setRadiusPoint1XY(point.getX(), point.getY());
            ellipse.setRadius2((ellipse.getRadius1() / 2), false);
            selectedMapGeometry.onChangeGeometry();
        }
    }

    private function createGeometry(mapViewer:MapViewer, point:Point):Void {
        var points:Array = new Array(point, point);
        var linearRing:LinearRing = new LinearRing(point.getSRS(), points);
        linearRing.addPoint(new Point(point.getSRS(), point.getX(), point.getY()));
        linearRing.addPoint(new Point(point.getSRS(), point.getX(), point.getY()));
        linearRing.addPoint(new Point(point.getSRS(), point.getX(), point.getY()));
        var ellipse:Ellipse = new Ellipse(point.getSRS(), linearRing);
        addGeometry(mapViewer, ellipse);
        setDrawingMapGeometry(mapViewer);
    }

}