/*----------------    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.Envelope;
import nl.idgis.giclient.gis.CentreScale;
import nl.idgis.giclient.gis.Layer;

class nl.idgis.giclient.gui.mapviewer.MapLayerSession {

    private var mapLayers:Array = null;
    private var numLoadingMapLayers:Number = 0;
    private var centreScale:CentreScale = null;
    private var inVisibleLayers:Array = null;
    private var visibleActiveAndHasSelection:Array = null;
    private var envelope:Array = null;
    private var url:Array = null;
    private var selectedMapFeatureIDs:Array = null; // 2 dimensional array.
    private var currentMapFeatureID:Array = null;

    function MapLayerSession(mapLayers:Array, centreScale:CentreScale) {
        this.mapLayers = mapLayers;
        this.centreScale = centreScale;

        inVisibleLayers = new Array();
        visibleActiveAndHasSelection = new Array();
        envelope = new Array();
        url = new Array();
        selectedMapFeatureIDs = new Array();
        currentMapFeatureID = new Array();
    }

    function getMapLayers():Array {
        return mapLayers;
    }

    function incNumLoadingMapLayers(n:Number):Void {
        numLoadingMapLayers += n;
    }

    function getNumLoadingMapLayers():Number {
        return numLoadingMapLayers;
    }

    function getCentreScale():CentreScale {
        return centreScale;
    }

    function setInVisibleLayers(layer:Layer, inVisibleLayers:Boolean):Void {
        this.inVisibleLayers[layer.getMapConnector().getID() + layer.getName()] = inVisibleLayers;
    }

    function getInVisibleLayers(layer:Layer):Boolean {
        return Boolean(inVisibleLayers[layer.getMapConnector().getID() + layer.getName()]);
    }

    function setVisibleActiveAndHasSelection(layer:Layer, visibleActiveAndHasSelection:Boolean):Void {
        this.visibleActiveAndHasSelection[layer.getMapConnector().getID() + layer.getName()] = visibleActiveAndHasSelection;
    }

    function getVisibleActiveAndHasSelection(layer:Layer):Boolean {
        return Boolean(visibleActiveAndHasSelection[layer.getMapConnector().getID() + layer.getName()]);
    }

    function setEnvelope(layer:Layer, envelope:Envelope):Void {
        this.envelope[layer.getMapConnector().getID() + layer.getName()] = envelope;
    }

    function getEnvelope(layer:Layer):Envelope {
        return Envelope(envelope[layer.getMapConnector().getID() + layer.getName()]);
    }

    function setURL(layer:Layer, url:String):Void {
        this.url[layer.getMapConnector().getID() + layer.getName()] = url;
    }

    function getURL(layer:Layer):String {
        return String(url[layer.getMapConnector().getID() + layer.getName()]);
    }

    function setSelectedMapFeatureIDs(layer:Layer, selectedMapFeatureIDs:Array):Void {
        this.selectedMapFeatureIDs[layer.getMapConnector().getID() + layer.getName()] = selectedMapFeatureIDs;
    }

    function getSelectedMapFeatureIDs(layer:Layer):Array {
        return selectedMapFeatureIDs[layer.getMapConnector().getID() + layer.getName()]; // Do not cast to Array here.
    }

    function setCurrentMapFeatureID(layer:Layer, currentMapFeatureID:String):Void {
        this.currentMapFeatureID[layer.getMapConnector().getID() + layer.getName()] = currentMapFeatureID;
    }

    function getCurrentMapFeatureID(layer:Layer):String {
        return String(currentMapFeatureID[layer.getMapConnector().getID() + layer.getName()]);
    }

    function getFadingBehavior():String {
        return "POST_LOADING";
    }

}