/*----------------    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.Geometry;
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.MapViewerAction;
import nl.idgis.giclient.util.Strings;
import nl.idgis.giclient.webserviceconnector.giconnector.GIConnector;
import nl.idgis.giclient.io.XMLResponseListener;
import nl.idgis.giclient.io.XMLResponse;
import nl.idgis.giclient.geoma.GMLFactory;
import nl.idgis.giclient.gis.SelectableLayer;

class nl.idgis.giclient.modes.MapViewerSelectByGeometry implements MapViewerAction, XMLResponseListener {
    
    private var selectionGeometry:Geometry = null;
    private var bufferedGeometry:Geometry = null;
    private var selectionMapGeometry:MapGeometry = null;
    private var bufferedMapGeometry:MapGeometry;
    private var mapViewer:MapViewer = null;
    private var numMouseDowns:Number = 0;
    private var intervalID:Number = null;
    private var double:Boolean = false;
    private var newGeometry:Boolean = true;
   	private var selectionLayer:SelectableLayer = null;
   	private var buffer:Number = 0;
   	var select:Boolean=true;//set by initObject
        
    function resetNumMouseDowns():Void {
        if (numMouseDowns >= 1) {
            numMouseDowns = 0;
            clearInterval(intervalID);
        }
    }
    
    function enter(mapViewer:MapViewer):Void {
    }
    
    function exit(boozoo:MapViewer):Void {
        var mapViewer = _root.mapViewer;
        removeMapGeometry(mapViewer);
        selectionGeometry = null;
        bufferedGeometry = null;
        mapViewer.ruler.getGIS().setSelectionGeometry(null);
        mapViewer.ruler.getGIS().setBufferedSelectionGeometry(null);
        mapViewer.ruler.getGIS().setBuffer(0);
    }
    
    function performPress(mapViewer:MapViewer, pressX:Number, pressY:Number, point:Point):Void {
    	if(newGeometry){
    		selectionGeometry = null;
    		newGeometry = false;
    	}
    	this.mapViewer = mapViewer;
        if (numMouseDowns == 0) {
            intervalID = setInterval(this, "resetNumMouseDowns", 400);
        }
        numMouseDowns++;
        double = false;
        if (numMouseDowns == 2) {
            double = true;
            resetNumMouseDowns();
        }
        
        if (point == null) {
            point = mapViewer.pixel2Point(mapViewer._xmouse, mapViewer._ymouse);
        }
    
        if (selectionGeometry == null) {
            if (selectionMapGeometry != null) {
                removeMapGeometry(mapViewer);
            }
            createGeometry(point);
            selectionMapGeometry = MapGeometry(mapViewer.getGeometryLayer().addMapGeometry(selectionGeometry, MapGeometry.SELECTION, Colors.selectionGeometryColor, ""));
        } else {
            var eventObject:Object = new Object();
            eventObject["mode"] = "Create";
            eventObject["type"] = "MouseDown";
            eventObject["double"] = double;
            eventObject["backKey"] = Key.isDown(Key.BACKSPACE);
            eventObject["point"] = point;
            selectionMapGeometry.performEvent(eventObject);
        }

    }
    
    function performRelease(mapViewer:MapViewer):Void { }
    
    function performMouseUp(mapViewer:MapViewer):Void { }
    
    
    function performMouseMove(mapViewer:MapViewer):Void {
        if (!newGeometry) {
            var point:Point = mapViewer.pixel2Point(mapViewer._xmouse, mapViewer._ymouse);
            var eventObject:Object = new Object();
            eventObject["mode"] = "Create";
            eventObject["type"] = "MouseMove";
            eventObject["point"] = point;
            selectionMapGeometry.performEvent(eventObject);
        }
    }
    
    function performDrag(mapViewer:MapViewer):Void { }
    
    function onKeyPress(mapViewer:MapViewer):Void { }
    
    private function setSelection(){
        mapViewer.ruler.getGIS().setSelectionGeometry(selectionGeometry);
        mapViewer.ruler.getGIS().setBufferedSelectionGeometry(null);
        mapViewer.ruler.getGIS().setBuffer(0);
        if(select){
        	mapViewer.ruler.getGIS().selectByGeometry(selectionGeometry,selectionLayer);
        }	
	} 
	

	
	 private function setBufferedSelection(){
        mapViewer.ruler.getGIS().setBufferedSelectionGeometry(bufferedGeometry);
        mapViewer.ruler.getGIS().setBuffer(buffer);
       	if(select){
        	mapViewer.ruler.getGIS().selectByGeometry(bufferedGeometry,selectionLayer);
       	}	
	} 
    
    private function removeMapGeometry(mapViewer:MapViewer):Void {
    	_root.frameWork["frames"]["textInputFrame"].removeMovieClip();
        mapViewer.getGeometryLayer().removeMapGeometry(selectionMapGeometry);
        mapViewer.getGeometryLayer().removeMapGeometry(bufferedMapGeometry);
        selectionMapGeometry = null;
        bufferedMapGeometry = null;
    }
    
    private function createGeometry(point:Point):Void { }
    
    private function showBufferFrame():Void{
            var initObject:Object = {scrollContent: "lib://BufferInputFrame",
            paneTitle: 
            Strings.getFile("Geoide").getString("UserInput"), isScrolling: false,
            resizable: false, hasShader: false,
            doorzichtig:false, _x:100, _y:100};
            initObject["contentProperties"] = new Object();
            initObject["contentProperties"]["question"] = (Strings.getFile("Geoide").getString("InputBufferQuestion"));
            initObject["contentProperties"]["inputType"] = "Number";
            initObject["contentProperties"]["returnObject"] = this;
            initObject["contentProperties"]["returnFunction"] = catchBuffer;
            initObject["contentProperties"]["ruler"] = mapViewer.ruler;
            _root.frameWork.makeFrame("textInputFrame",initObject,200,100);
            
    }
    
        function catchBuffer(buffer:Number):Void{
        	if (buffer == null) {
           		 _root.frameWork["frames"]["textInputFrame"].removeMovieClip();
	        } else {
	            var connector:GIConnector = 
	            	GIConnector(mapViewer.ruler.getGIS().getTransformConnector());	
	            connector.getBuffer(selectionGeometry, buffer, this);
	            _root.frameWork["frames"]["textInputFrame"].removeMovieClip();
	            this.buffer = buffer;
	        }
    }	
    
	function onLoadXMLResponse(xmlResponse : XMLResponse) : Void {
		bufferedGeometry= GMLFactory.parseGML(xmlResponse.firstChild);
		bufferedMapGeometry = MapGeometry(mapViewer.getGeometryLayer().addMapGeometry(bufferedGeometry, MapGeometry.BUFFER, Colors.selectionColor, ""));
		bufferedMapGeometry.onChangeGeometry();
		setBufferedSelection();
		
	}
}