/* =========================================================
// jquery.fuGMAP.js 0.0.3.2
// Copyright Chris McKee <pcdevils[at]gmail.com> 2010
// chrismckee.co.uk // http://bit.ly/fuGMAP
// Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
// ========================================================= */

(function($) {

   var geocoder = new GClientGeocoder();
   var rando = Math.round(Math.random() * 12);
 
   $.fn.fuGMAP = function(settings){
       var config = {
           latitude: 52.72510010,
           longitude: 16.23872910,
           forcelongitude: false,
           forcelatitude: false,
           forcezoom: 6,
           address: "",
           url: "",
           zoom: 6,
           markerxml: "",
           kmlfile: "",
           markers: [],
           controls: [],
           maptype: 'G_NORMAL_MAP',
           scrollwheel: true,
           popup: "iframe",
           icon: {
               image: "http://www.google.com/mapfiles/marker.png",
               shadow: "http://www.google.com/mapfiles/shadow50.png",
               iconsize: "",
               shadowsize: "",
               iconanchor: "",
               infowindowanchor: ""
           },
           fudebug: false,
		   radiusinkm: false,
		   radiuslat: false,
		   radiuslng: false
       };
       
       /* Explode Options */
       var op = $.extend({}, config, settings);
       var eMap, bounds;
       var latlngbounds = new GLatLngBounds();

       var poly = [] ; 
       var line ; 
	   
       // Check if the browser is compatible with Google Maps
       if (!window.GBrowserIsCompatible || !GBrowserIsCompatible()) 
           return this;
       
       return this.each(function(){
           eMap = new GMap2(this);
           eMap.setMapType(eval(op.maptype));
           eMap.setCenter(new GLatLng(op.latitude, op.longitude), op.zoom);
           bounds = eMap.getBounds();
           
           /* ICON MAKER */
           var bIcon = new GIcon(G_DEFAULT_ICON);
           if (op.icon.image) 
               bIcon.image = op.icon.image;
           if (op.icon.shadow) 
               bIcon.shadow = op.icon.shadow
           if (isArray(op.icon.iconsize)) 
               bIcon.iconSize = new GSize(op.icon.iconsize[0], op.icon.iconsize[1]);
           if (isArray(op.icon.shadowsize)) 
               bIcon.shadowSize = new GSize(op.icon.shadowsize[0], op.icon.shadowsize[1]);
           if (isArray(op.icon.iconanchor)) 
               bIcon.iconAnchor = new GPoint(op.icon.iconanchor[0], op.icon.iconanchor[1]);
           
           /* MAP CONTROLS */
           var MapControls = op.controls.length;
           if (op.controls.length == 0) {
               eMap.setUIToDefault();
           }
           else {
               while (MapControls--) 
                   eval('eMap.addControl(new ' + op.controls[MapControls] + '());');
           }
           
           /* DISABLE SCROLLWHEEL */
           if (op.scrollwheel == true && op.controls.length !== 0) {
               eMap.enableScrollWheelZoom();
           }
           
           
           /* MARKERS ARRAY LOOP */
           for (var i = 0; i < op.markers.length; i++) {
               var marker = op.markers[i];
               
               // LOCATION marker
               if (marker.longitude) {
                   $.fn.fuGMAP.locationMarker(marker.longitude, marker.latitude, geocoder, eMap, bounds, bIcon, marker.url, op.popup, op.zoom, op.fudebug);
               }
               
               // ADDRESS GeoCoder
               if (marker.address) {
                   $.fn.fuGMAP.geocodeAddress(marker.address, geocoder, eMap, bounds, bIcon, marker.url, op.popup, op.zoom, op.fudebug);
               }
               
               delete (marker);
           }
           
           /* force map center */
           if (op.forcelatitude || op.forcelongitude) {
               var coordsy = new GLatLng(op.forcelatitude, op.forcelongitude);
               eMap.setCenter(coordsy, op.forcezoom);
           }
           
           // MARKER XML File
           if (op.markerxml) {
               $.fn.fuGMAP.MarkerXML(op.markerxml, eMap, bounds, bIcon, op.popup, op.zoom);
           }
           
           // radiusejrosz
           if (op.radiusinkm) {
               $.fn.fuGMAP.drawCircle(eMap, op.radiuslat, op.radiuslng, op.radiusinkm, 50);
           }
		   
		   
       });
       
       //return this;
   };
   
   
   
   $.fn.fuGMAP.drawCircle = function(map, centerlat, centerlng, radius, numPoints){
   	
       poly = [];
		
	   var line;
		
	   var lat = centerlat;
       var lng = centerlng;
       var d2r = Math.PI / 180; // degrees to radians
       var r2d = 180 / Math.PI; // radians to degrees
       var Clat = (radius / 6371) * r2d; // using 6371 as earth's radius
       var Clng = Clat / Math.cos(lat * d2r);
       
       //Add each point in the circle
       for (var i = 0; i < numPoints; i++) {
           var theta = Math.PI * (i / (numPoints / 2));
           Cx = lng + (Clng * Math.cos(theta));
           Cy = lat + (Clat * Math.sin(theta));
           poly.push(new GLatLng(Cy, Cx));
       }
       
       //Remove the old line if it exists
       if (line) {
           map.removeOverlay(line);
       }
       
       //Add the first point to complete the circle
       poly.push(poly[0]);
       
       //Create a line with teh points from poly, red, 3 pixels wide, 80% opaque
       line = new GPolyline(poly, '#DF5353', 2, 0.6);
       
       map.addOverlay(line);
	   
	   return true;
   }

   
   
   
   
   /* 
    Method: Uses GMaps getLatLng to geocode address
    Returns: Adds Google Marker (obj) returns Bool
    */
   $.fn.fuGMAP.locationMarker = function(longitude, latitude, gcd, eMap, bounds, icon, url, popup, zoom, dbug){
   
       var point = new GPoint(longitude, latitude);
       var coordsy = new GLatLng(latitude, longitude);
       
       var marker = new GMarker(coordsy, icon);
       if (url) {
           var pop = popup === "iframe" ? "<iframe frameborder='0' hspace='0' src='" + url + "' id='tb_iframecontent' name='tb_iframecontent'\/>" : '<div class="gmap_marker" id="gmap-popup">' + url + '<\/div>';
           GEvent.addListener(marker, "click", function(){
               marker.openInfoWindowHtml(pop);
           });
       }
       
       if (marker) {
           eMap.setCenter(coordsy, zoom);
           eMap.addOverlay(marker);
       }
       return marker ? true : false;
       
   };
   
   
   
   /* 
    Method: Uses GMaps getLatLng to geocode address
    Returns: Adds Google Marker (obj) returns Bool
    */
   $.fn.fuGMAP.geocodeAddress = function(addr, gcd, eMap, bounds, icon, url, popup, zoom, dbug){
       if (gcd) {
           gcd.getLatLng(addr, function(point){
               if (!point) {
                   try {
                       console.log(addr + " not found");
                   } 
                   catch (e) {
                       if (dbug) {
                           alert(addr + " not found");
                       }/* IE Fix, Race Condition */
                   }
               }
               else {
                   var marker = new GMarker(point, icon);
                   if (url) {
                       var pop = popup === "iframe" ? "<iframe frameborder='0' hspace='0' src='" + url + "' id='tb_iframecontent' name='tb_iframecontent'\/>" : '<div class="gmap_marker" id="gmap-popup">' + url + '<\/div>';
                       GEvent.addListener(marker, "click", function(){
                           marker.openInfoWindowHtml(pop);
                       });
                   }
                   
                   if (marker) {
                       eMap.setCenter(point, zoom);
                       eMap.addOverlay(marker);
                   }
                   return marker ? true : false;
               }
           });
       }
   };
	
   
   $.fn.fuGMAP.MarkerXML = function(file, eMap, bounds, Icon, popup, zoom){
       GDownloadUrl(file, function(data){
           var xml = GXml.parse(data);
           var markers = xml.documentElement.getElementsByTagName("marker");
           for (var i = 0; i < markers.length; i++) {
               eMap.addOverlay($.fn.fuGMAP.CreateMarker(eMap, zoom, Icon, markers[i].getAttribute("lat"), markers[i].getAttribute("lng"), markers[i].getAttribute("html"), popup));
           }
       });
   };
   
   
   $.fn.fuGMAP.CreateMarker = function(eMap, Zoom, icon, lat, lng, sHTML, PopUp){
       var latlngPoint = new GLatLng(lat, lng);
       var marker = new GMarker(latlngPoint, icon);
       if (PopUp === "iframe" && (!/^http:\/\//.test(sHTML))) {
           PopUp = "text";
       }
       if (sHTML) {
           var sPop = PopUp === "iframe" ? "<iframe frameborder='0' hspace='0' src='" + sHTML + "' id='tb_iframecontent' name='tb_iframecontent'\/>" : '<div class="gmap_marker" id="gmap-popup">' + sHTML + '<\/div>';
           GEvent.addListener(marker, "click", function(){
               marker.openInfoWindowHtml(sPop)
           });
       }
       eMap.setCenter(latlngPoint, Zoom);
       
       return marker
   }
   
   
   /* 
    Method: Test if passed variable is an Array
    Returns: Bool
    */
   var isArray = function(e){
       return typeof(e) == 'object' && (e instanceof Array);
   }
})(jQuery);