////
//

var _dirn;
var _dirnmode = 'off';
var _dirn_startpoint;
var _dirn_endpoint;
var _dirn_defpoints = [];
var _dirn_points = [];



function event_handler_direction(){
	_dirn = new Direction();

	_dirn.createDirection();
}


function directionSetAndStart(lnglats){
	var bounds_lng = [];
	var bounds_lat = [];

	_dirn_points = [];
	for( i=0; i<lnglats.length; i+=2 ){
		_dirn_points.push(new google.maps.LatLng(lnglats[i+1], lnglats[i]));
		bounds_lng.push(lnglats[i]);
		bounds_lat.push(lnglats[i+1]);
	}

	directionStart(_dirn_points);

	bounds_lng.sort();
	bounds_lat.sort();
	calcuBound2Zoom(bounds_lng[0], bounds_lng[bounds_lng.length-1], bounds_lat[0], bounds_lat[bounds_lng.length-1]);
}


function directionStart(points){
	//var startpoint = document.getElementById('dirn_startpoint').value;
	//var endpoint = document.getElementById('dirn_endpoint').value;

	//_dirn.getDirectionObj().load('出発: シアトル 到着: サンフランシスコ', {preserveViewport:false});
	var orig;
	var dest;
	var ways = new Array();
	var ii = 0;

	for( var i=0; i<points.length; i++ ){
		if( ! i ){
			orig = points[i];
		} else if( i == (points.length-1) ){
			dest = points[i];
		} else {
			ways[ii] = {
				location: points[i],
				stopover: false
			};
			ii++;
		}
	}

	_dirn.getServiceObj().route({
		origin: orig,
		destination: dest,
		waypoints: ways,
		travelMode: google.maps.TravelMode.DRIVING
		},
		directionRender
	);
	//_dirn.getDirectionObj().loadFromWaypoints(points,{locale:'ja',travelMode:G_TRAVEL_MODE_DRIVING,avoidHighways:true,getPolyline:true,getSteps:true,preserveViewport:true});
	//alert('出発: '+points[0]+' 到着: '+points[1]);

	// clear marker
	//alert(_dirn.getDirectionObj().getMarker(0));
	//_dirn.getDirectionObj().getMarker(1).remove();
}


function directionRender(res, stat){
	_dirn.getDirectionObj().setOptions({
		suppressInfoWindows: true,
		suppressMarkers: true,
		draggable: false
	});
	_dirn.getDirectionObj().setDirections(res);
}


/*--------------------------------------------------------------------------*/


var Direction = Class.create();


Direction.prototype = {
	initialize : function(id){
		this.jax_script = 'http://ingnet.jp/modules/map/include/gmapjax.php';
		this.messbox_id = 'map_messbox';
		this.listbox_id = 'map_listbox';
		this.form_id = id;
		this.dirn;
		this.serv;
		this.poly;
		this.eol;
		this.default_opt;
	},

	setDefaultOpt : function(opt){
		this.default_opt = opt;
	},

	getMapObj : function(){
		return this.map;
	},

	getDirectionObj : function(){
		return this.dirn;
	},

	getServiceObj : function(){
		return this.serv;
	},


//
// Create Direction
//
	createDirection : function(){
		var renderopt = {
			map: _map.getMapObj()
		};
		var dirn = new google.maps.DirectionsRenderer(renderopt);
		this.dirn = dirn;

		var serv = new google.maps.DirectionsService();
		this.serv = serv;

		google.maps.event.addListener(_dirn.dirn, 'load', function(){
			//_dirn.poly = _dirn.dirn.getPolyline();
			//_dirn.eol = _dirn.poly.Distance();
		});
	}

}