/*----------------    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.config.Colors;
import nl.idgis.giclient.geoma.LinearRing;
import nl.idgis.giclient.geoma.Point;
import nl.idgis.giclient.geoma.Square;
import nl.idgis.giclient.gui.mapviewer.MapGeometry;
import nl.idgis.giclient.gui.mapviewer.MapViewer;
import nl.idgis.giclient.modes.MapViewerSelectByGeometry;

class nl.idgis.giclient.modes.MapViewerSelectBySquare extends MapViewerSelectByGeometry {

    function performPress(mapViewer:MapViewer,pressX:Number,pressY:Number, point:Point):Void {
        this.mapViewer = mapViewer;
        if(newGeometry){
    		selectionGeometry = null;
    		newGeometry = false;
    	}
    	 if (point == null) {
            point = mapViewer.pixel2Point(mapViewer._xmouse, mapViewer._ymouse);
        }
        if (selectionGeometry == null) {
            if (selectionMapGeometry != null) {
                removeMapGeometry(mapViewer);
            }
            
            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()));
            selectionGeometry = new Square(point.getSRS(), linearRing);
            selectionMapGeometry = MapGeometry(mapViewer.getGeometryLayer().addMapGeometry(selectionGeometry, MapGeometry.SELECTION, Colors.selectionGeometryColor, ""));
            selectionMapGeometry.onChangeGeometry();
        } else {
            setSelection();
            showBufferFrame();
            newGeometry = true;
        }
    }

    function performMouseMove(mapViewer:MapViewer):Void {
        if (!newGeometry) {
            var point:Point = mapViewer.pixel2Point(mapViewer._xmouse,mapViewer._ymouse);
            var points:Array = Square(selectionGeometry).getExteriorRing().getPoints();
            points[1].setXY(point.getX(), points[1].getY());
            points[2].setXY(point.getX(), point.getY());
            points[3].setXY(points[3].getX(), point.getY()); // TODO MODEL CONSTRAINTS
            selectionMapGeometry.onChangeGeometry(); // TODO EVENT MODEL
        }
    }
    


}