/*----------------    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.Point;
import nl.idgis.giclient.gui.mapviewer.MapViewer;
import nl.idgis.giclient.modes.MapViewerSelectByGeometry;
import nl.idgis.giclient.gis.Feature;

class nl.idgis.giclient.modes.MapViewerMeasure extends MapViewerSelectByGeometry {
    
    function performPress(mapViewer:MapViewer, pressX:Number, pressY:Number, point:Point):Void {
        super.performPress(mapViewer, pressX, pressY, point);
        if (!double) {
            setLabelText();
        } else {
        	
        	var feature:Feature = new Feature();
        	feature.setAnnotation(createLabel());
        	feature.setGeometry(selectionGeometry);
        	
        	mapViewer.ruler.getGIS().setMeasureFeature(feature);
        	
            newGeometry = true;
        }
        	
    }
    
    function performMouseMove(mapViewer:MapViewer):Void {
        super.performMouseMove(mapViewer);
        
        if (selectionGeometry != null) {
            setLabelText();
        }
    }
    
    private function setLabelText():Void {
        selectionMapGeometry.setLabelText(createLabel());        
    }
    
    private function createLabel():String {
    	return "";
    }
    
    function exit(boozoo:MapViewer):Void {
    	super.exit(boozoo);
    	
    	mapViewer.ruler.getGIS().setMeasureFeature(null);	
    }
}