/*----------------    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.actions.Action;
import nl.idgis.giclient.filterencoding.ComplexFilter;
import nl.idgis.giclient.Ruler;
import nl.idgis.giclient.gis.SelectableLayer;
import nl.idgis.giclient.query.QueryAspect;

class nl.idgis.giclient.actions.SelectAndZoomAction extends Action {

    private var layer:SelectableLayer = null;
    private var filter:ComplexFilter = null;
    private var queryAspect:QueryAspect = null;

    public function SelectAndZoomAction(ruler:Ruler, actionObject:Object) {
        this.ruler = ruler;
        //this.layer = GILayer(actionObject);
        this.queryAspect = QueryAspect(actionObject);
        this.layer = SelectableLayer(queryAspect.getLayer());
    }

    public function doAction():Void {
        if (layer == null) {
            ruler.getGIS().getActiveLayer();
        }
        filter = ruler.getQueryAspectFilter();
        var serverParams:Object = new Object();
        //layer.getFeaturesByFilter(serverParams,this, filter);
        //layer.getConnector().getFeaturesByFilter(layer, serverParams, this, filter);
        serverParams["featureAction"] = SelectableLayer.SELECT;
        serverParams["responseAction"] = "SETFEATURES";
        layer.setCurrentFilter(filter);
        queryAspect.getConnector().getFeaturesByFilter(queryAspect, serverParams, this, filter);
    }

    public function handleResponse(features:Array, responseObject:Object):Void {    	
        var featuresToZoom:Array = new Array();
        //controleer of de gevonden features een envelope hebben
        //en verzamel ids
        var zoomEnvelopeExist:Boolean = false;
        var ids:Array = new Array();
        for (var i:Number = 0;i < features.length; i++) {
            if(features[i].getEnvelope().getMinX() != null) {
                featuresToZoom.push(features[i]);
            }
            ids.push(features[i].getID());
        }
        if(layer instanceof SelectableLayer) {
            var sLayer:SelectableLayer = SelectableLayer(layer); 
            sLayer.setSelectedFeatures(ids, false, null);
            //sLayer.setCurrentFeature(new Array(ids[0]), false, null);
            sLayer.setCurrentFilter(filter);
        }
        ruler.getGIS().zoomToFeatures(featuresToZoom);
    }
}