/**
 * jQuery gMap
 *
 * @url        http://gmap.nurtext.de/
 * @author    Cedric Kastner <cedric@nur-text.de>
 * @version    1.0.4
 */
(function($)
{
    // Main plugin function
    $.fn.gMap = function(options)
    {
        // Check if the browser is compatible with Google Maps
        if (!window.GBrowserIsCompatible || !GBrowserIsCompatible()) return this;
        
        // Build main options before element iteration
        var opts = $.extend({}, $.fn.gMap.defaults, options);
    
        // Iterate each matched element
        return this.each(function()
        {
            // Create new map and set initial options
            $gmap = new GMap2(this);
            
            // Try to center to the first marker
            if (!opts.latitude && !opts.longitude)
            {
                // Check for at least one marker
                if ($.isArray(opts.markers) && opts.markers.length >= 1)
                {
                    // Center to the first marker
                    opts.latitude  =  opts.markers[0].latitude;
                    opts.longitude =  opts.markers[0].longitude;
                }
                else
                {
                    // Center Earth and lower zoom
                    opts.latitude = 34.885931;
                    opts.longitude = 9.84375;
                    opts.zoom = 2;
                    
                }
                
            }
            
            // Center the map and set the maptype
            $gmap.setCenter(new GLatLng(opts.latitude, opts.longitude), opts.zoom);
            $gmap.setMapType(opts.maptype);
            
            // Check for custom map controls
            if (opts.controls.length == 0)
            {
                // Default map controls
                $gmap.setUIToDefault();
                
            }
            else
            {
                // Add custom map controls
                for (var i = 0; i < opts.controls.length; i++)
                {
                    // Eval is evil - I know. ;)
                    eval('$gmap.addControl(new ' + opts.controls[i] + '());');
                    
                }
                
            }
                        
            // Check if scrollwheel should be enabled when using custom controls
            if (opts.scrollwheel == true && opts.controls.length != 0) { $gmap.enableScrollWheelZoom(); }
                                    
            // Add all map markers
            for (var j = 0; j < opts.markers.length; j++)
            {
                // Get the options from current marker
                marker = opts.markers[j];
                
                // Create new icon
                gicon = new GIcon();
                
                // Set icon properties from global options
                gicon.image = opts.icon.image;
                gicon.shadow = opts.icon.shadow;
                gicon.iconSize = ($.isArray(opts.icon.iconsize)) ? new GSize(opts.icon.iconsize[0], opts.icon.iconsize[1]) : opts.icon.iconsize;
                gicon.shadowSize = ($.isArray(opts.icon.shadowsize)) ? new GSize(opts.icon.shadowsize[0], opts.icon.shadowsize[1]) : opts.icon.shadowsize;
                gicon.iconAnchor = ($.isArray(opts.icon.iconanchor)) ? new GPoint(opts.icon.iconanchor[0], opts.icon.iconanchor[1]) : opts.icon.iconanchor;
                gicon.infoWindowAnchor = ($.isArray(opts.icon.infowindowanchor)) ? new GPoint(opts.icon.infowindowanchor[0], opts.icon.infowindowanchor[1]) : opts.icon.infowindowanchor;
                
                if (marker.icon)
                {
                    // Overwrite global options with ther marker one's
                    gicon.image = marker.icon.image;
                    gicon.shadow = marker.icon.shadow;
                    gicon.iconSize = ($.isArray(marker.icon.iconsize)) ? new GSize(marker.icon.iconsize[0], marker.icon.iconsize[1]) : marker.icon.iconsize;
                    gicon.shadowSize = ($.isArray(marker.icon.shadowsize)) ? new GSize(marker.icon.shadowsize[0], marker.icon.shadowsize[1]) : marker.icon.shadowsize;
                    gicon.iconAnchor = ($.isArray(marker.icon.iconanchor)) ? new GPoint(marker.icon.iconanchor[0], marker.icon.iconanchor[1]) : marker.icon.iconanchor;
                    gicon.infoWindowAnchor = ($.isArray(marker.icon.infowindowanchor)) ? new GPoint(marker.icon.infowindowanchor[0], marker.icon.infowindowanchor[1]) : marker.icon.infowindowanchor;
                    
                }
                                
                // Create a new marker on the map
                gmarker = new GMarker(new GPoint(marker.longitude, marker.latitude), gicon);
                
                // Only display info window if the marker contains a description
                if (marker.html)
                {
                    // Bind the info window to marker
                    gmarker.bindInfoWindowHtml(opts.html_prepend + marker.html + opts.html_append);
                    
                    // Add overlay if marker was created and check if popup should be shown when map is loaded
                    if (gmarker) { $gmap.addOverlay(gmarker); }
                    if (marker.popup == true) { gmarker.openInfoWindowHtml(opts.html_prepend + marker.html + opts.html_append); }
                    
                }
                else
                {
                    // Add overlay marker
                    if (gmarker) { $gmap.addOverlay(gmarker); }
                    
                }
                
            }
            
        });
        
    }
        
    // Set default settings
    $.fn.gMap.defaults =
    {
        latitude:                0,
        longitude:                0,
        zoom:                    6,
        markers:                [],
        controls:                [],
        scrollwheel:            true,
        maptype:                G_NORMAL_MAP,
        html_prepend:            '<div class="gmap_marker">',
        html_append:            '</div>',
        icon:
        {
            image:                "http://www.google.com/mapfiles/marker.png",
            shadow:                "http://www.google.com/mapfiles/shadow50.png",
            iconsize:            [20, 34],
            shadowsize:            [37, 34],
            iconanchor:            [9, 34],
            infowindowanchor:    [9, 2]
            
        }
        
    }
    
})(jQuery);