source: binary-improvements/webserver/js/leaflet.control.coordinates.js@ 322

L.Control.Coordinates = L.Control.extend({
        options: {
                position: 'bottomleft'
        },

        onAdd: function (map) {
                var name = 'control-coordinates',
                    container = L.DomUtil.create('div', name + ' webmap-control');
        
                container.innerHTML = "Mouse pos: - N / - E<br/>Last click: - N / - E"
                L.DomEvent.on (container, 'mousemove', L.DomEvent.stopPropagation);

                this._map = map;
                this._div = container;

                map.on('mousemove', this._onMouseMove, this);
                map.on('mouseout', this._onMouseOut, this);
                map.on('click', this._onClick, this);

                return container;
        },

        onRemove: function (map) {
        },

        _onMouseMove: function (e) {
                this.lastPos = e.latlng;
                this._updateText ();
        },
        
        _onMouseOut: function (e) {
                this.lastPos = false;
                this._updateText ();
        },

        _onClick: function (e) {
                this.lastClick = e.latlng;
                this._updateText ();
        },
        
        _updateText: function (e) {
                this._div.innerHTML = "Mouse pos: " + this._formatCoord(this.lastPos) + "<br/>" +
                                "Last click: " + this._formatCoord(this.lastClick);
        },

        _formatCoord: function(latlng) {
                if (latlng == false)
                        return "- N / - E";
                else
                        return "" +
                                Math.abs(latlng.lng).toFixed(0) + (latlng.lng>=0 ? " N" : " S") + " / " +
                                Math.abs(latlng.lat).toFixed(0) + (latlng.lat>=0 ? " E" : " W");
        },
        
        lastPos: false,
        lastClick: false

});