/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
or see http://www.gnu.org/licenses/agpl.txt.
*/

// map view/model
// [extending Leaflet L.Map with setView/fitBounds methods that respect UI visibility] 
L.MapView = L.Map.extend({
	setViewUI: function(position, zoom, no_animation) {
		if( OSRM.GUI.visible == true ) {
			var point = this.project( position, zoom);
			point.x-=OSRM.GUI.width/2;
			position = this.unproject(point,zoom);		
		}
		this.setView( position, zoom, no_animation);	
	},
	fitBoundsUI: function(bounds) {
		var southwest = bounds.getSouthWest();
		var northeast = bounds.getNorthEast();
		var zoom = this.getBoundsZoom(bounds);
		var sw_point = this.project( southwest, zoom);
		if( OSRM.GUI.visible == true )
			sw_point.x-=OSRM.GUI.width+20;
		else
			sw_point.x-=20;
		sw_point.y+=20;
		var ne_point = this.project( northeast, zoom);
		ne_point.y-=20;
		sw_point.x+=20;
		bounds.extend( this.unproject(sw_point,zoom) );
		bounds.extend( this.unproject(ne_point,zoom) );
		this.fitBounds( bounds );	
	},
	getCenterUI: function(unbounded) {
		var viewHalf = this.getSize();
		if( OSRM.GUI.visible == true )
			viewHalf.x += OSRM.GUI.width;
		var centerPoint = this._getTopLeftPoint().add(viewHalf.divideBy(2));
		
		return this.unproject(centerPoint, this._zoom, unbounded);
	}
});