/**

 *  :organization: Logilab

 *  :copyright: 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

 *  :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

 */

Widgets.GMapWidget = defclass('GMapWidget', null, {

    __init__: function(wdgnode) {

        // Assume we have imported google maps JS

        if (GBrowserIsCompatible()) {

            var uselabelstr = wdgnode.getAttribute('cubicweb:uselabel');

            var uselabel = true;

            if (uselabelstr) {

                if (uselabelstr == 'True') {

                    uselabel = true;

                }

                else {

                    uselabel = false;

                }

            }

            var map = new GMap2(wdgnode);

            map.addControl(new GSmallMapControl());

            var jsonurl = wdgnode.getAttribute('cubicweb:loadurl');

            var self = this; // bind this to a local variable

            jQuery.getJSON(jsonurl, function(geodata) {

                var zoomLevel;

                var center;

                var latlngbounds = new GLatLngBounds( );

                for (var i = 0; i < geodata.markers.length; i++) {

                    var marker = geodata.markers[i];

                    var latlng = new GLatLng(marker.latitude, marker.longitude);

                    latlngbounds.extend( latlng );

                }

                if (geodata.zoomlevel) {

                    zoomLevel = geodata.zoomlevel;

                } else {

                    zoomLevel = map.getBoundsZoomLevel( latlngbounds ) - 1;

                }

                if (geodata.center) {

                    center = new GLatng(geodata.center.latitude, geodata.center.longitude);

                } else {

                    center = latlngbounds.getCenter();

                }

                map.setCenter(center, zoomLevel);

                for (var i = 0; i < geodata.markers.length; i++) {

                    var marker = geodata.markers[i];

                    self.createMarker(map, marker, i + 1, uselabel);

                }

            });

            jQuery(wdgnode).after(this.legendBox);

        } else { // incompatible browser

            jQuery.unload(GUnload);

        }

    },

    createMarker: function(map, marker, i, uselabel) {

        var point = new GLatLng(marker.latitude, marker.longitude);

        var icon = new GIcon();

        icon.image = marker.icon[0];

        icon.iconSize = new GSize(marker.icon[1][0], marker.icon[1][1]);

        icon.iconAnchor = new GPoint(marker.icon[2][0], marker.icon[2][1]);

        if (marker.icon[3]) {

            icon.shadow4 = marker.icon[3];

        }

        if (typeof LabeledMarker == "undefined") {

            var gmarker = new GMarker(point, {

                icon: icon,

                title: marker.title

            });

        } else {

            var gmarker = new LabeledMarker(point, {

                icon: icon,

                title: marker.title,

                labelText: uselabel ? '<strong>' + i + '</strong>': '',

                labelOffset: new GSize(2, - 32)

            });

        }

        map.addOverlay(gmarker);

        GEvent.addListener(gmarker, 'click', function() {

            jQuery.post(marker.bubbleUrl, function(data) {

                map.openInfoWindowHtml(point, data);

            });

        });

    }

});