jquery.googlemap.js

google地图

(  
    function($)
    {
        $.gmap = $.gmap || {};
        
        $.fn.extend(
        {
            InitMap : function(parameters) {
                parameters = parameters || {};
                this.each(function(i){
                    $.gmap.Init(this,parameters);
                });              
            },
            OpenInfoWindow : function(parameters) {
                parameters = parameters || {};
                var clickMarker = null;
                this.each(function(i){
                    clickMarker = $.gmap.OpenWindow(this,parameters);
                });
                return clickMarker;
            },
            RemoveOverlay : function(overlay) {
                this.each(function(i){
                    $.gmap.RemoveOverlay(this, overlay);
                });  
            }
        });
        
        $.extend($.gmap,
            {
                settings : 
			    {
				    zoom : 7,
				    maptype : "h",
				    overview : false,
				    navscale : "small",
				    center:
                    {
                        lat : 30.898817,
                        lng : 108.598643,
                        zoom : 7
                    }                 
			    },
                Init : function(obj,parameters)
                {
                    var map = this.GetMap(obj);
                    var maptype;
//                    $(obj).css(this.settings.css);
//                    if(parameters.css) 
//                        $(obj).css(parameters.css);
                        
                    if(parameters.maptype)
                    {
                        if(parameters.maptype == 'h')
                            maptype = G_HYBRID_MAP;
                        if(parameters.maptype == 'r')
                            maptype = G_NORMAL_MAP;
                    }
                    else
                    {
                        if(this.settings.maptype == 'h')
                            maptype = G_HYBRID_MAP;
                        if(this.settings.maptype == 'r')
                            maptype = G_NORMAL_MAP;
                    }
                    
                    if(parameters.center)
                        map.setCenter(new GLatLng(parameters.center.lat, parameters.center.lng), parameters.center.zoom, maptype);
                    else
                        map.setCenter(new GLatLng(this.settings.center.lat, this.settings.center.lng), this.settings.center.zoom, maptype);
                        
                    if(parameters.overview != null)
                        if(parameters.overview == true)
                            map.addControl(new GOverviewMapControl());
                    else if(this.settings.overview == true)
                        map.addControl(new GOverviewMapControl());
                        
                    if(parameters.navscale)
                    {
                        if(parameters.navscale == "large")
                            map.addControl(new GLargeMapControl());
                        if(parameters.navscale == "small")
                            map.addControl(new GSmallMapControl());
                    }
                    else
                    {
                        if(this.settings.navscale == "large")
                            map.addControl(new GLargeMapControl());
                        if(this.settings.navscale == "small")
                            map.addControl(new GSmallMapControl());
                    }
                    map.addControl(new GMapTypeControl());                      
                    map.enableDoubleClickZoom();
                    
                },
                GetMap : function(obj)
                {
                    var map = $.data(obj, "map");
				    if (!map)
				    {
					    if (GBrowserIsCompatible == undefined || !GBrowserIsCompatible()) return;
					    map = new GMap2(obj);
					    $.data(obj, "map", map);
				    }
				    return map;
                },
                OpenWindow : function(obj,parameters)
                {
                    var map = $.data(obj, "map");

                    var clickMarker = null;
                    var icon = null;
                    if(parameters.icon)
                    {
                        icon = new GIcon();
                        icon.image = parameters.icon.url; 
                        var width = (parameters.icon.width == null) ? 20 : parameters.icon.width;
                        var height = (parameters.icon.height == null) ? 20 : parameters.icon.height;
                        
                        icon.iconSize = new GSize(width, height);
                        icon.iconAnchor = new GPoint(16, 16);
                        icon.infoWindowAnchor = new GPoint(25, 7);                 
                    }
                    if(parameters.point)
                    {
                        var point = new GLatLng(parameters.point.lat,parameters.point.lng);
                        if(icon == null)
                            clickMarker = new GMarker(point);
                        else
                            clickMarker = new GMarker(point,{icon:icon});
                        map.addOverlay(clickMarker);
                        //map.setCenter(point, map.getZoom());
                        map.panTo(point,map.getZoom());
                        map.openInfoWindow(point, parameters.info);
                    }
                    return clickMarker;
                },
                RemoveOverlay : function(obj, overlay)
                {
                    var map = $.data(obj, "map");
                    map.removeOverlay(overlay);
                }
            }
        );
    }
)(jQuery);