LeafletBundle/Resources/public/js/leaflet-map-widget.js

var geocoder;

$(document).ready(function () {
    placeholder = 'Buscar...';

    geocoder = new google.maps.Geocoder();

    map.addControl(new L.Control.Search({
        sourceData: googleGeocoding,
        formatData: formatJSON,
        markerLocation: true,
        autoType: true,
        autoCollapse: false,
        minLength: 3,
        position: 'topright',
        delayType: 1,
        tooltipLimit: -1,
        firstTipSubmit: true,
        autoResize: false,
        collapsed: false,
        textPlaceholder: placeholder
    }));

    $('.search-button').on('click', function () {
        if (loc && $('.search-input').val() !== placeholder) {
            drawMarker();
            setDataValue();
        }
    });

    $('.search-input').on('keypress', function (e) {
        if (e.keyCode == 13 && loc) {
            e.preventDefault();
            e.stopPropagation();
            drawMarker();
            setDataValue();
        }
    });

    $('.search-tooltip').on('click', function () {
        var tooltip = $(this).children('.search-tip');
        var location = '';
        if (tooltip) {
            location = tooltip.html();
        }
        if (location !== '') {
            $('.search-input').val(location);
            $('.search-tooltip').css('display', 'none');
            $('.search-button').trigger('click');
        }
    });
});

function setDataValue() {
    var jsonParseData = {};
    var dataValue = $('[name$="[extraData]"]').val();
    if (dataValue) {
        jsonParseData = JSON.parse(dataValue);
    }
    jsonParseData.lat = marker._latlng.lat;
    jsonParseData.lng = marker._latlng.lng;
    jsonParseData.zoom = map.getZoom();

    var stringifyData = JSON.stringify(jsonParseData);

    $('[name$="[extraData]"]').val(stringifyData);
    $('[name$="[map]"]').val(stringifyData);
    // si existe la funcion la llamo. Actualiza la distancia entre el punto seleccionado y los naps.
    if (typeof calcularDistanciaNap === 'function') {
        calcularDistanciaNap();
    }
    // si existe la funcion la llamo. Actualiza direccion del cliente.
    if (typeof updateAddressClient === 'function') {
        updateAddressClient();
    }
}

function googleGeocoding(text, callResponse) {
    geocoder.geocode({address: text}, callResponse);
}

function formatJSON(rawjson) {
    var json = {},
        key;
    for (var i in rawjson) {
        key = rawjson[i].formatted_address;
        loc = new L.latLng(rawjson[i].geometry.location.lat(), rawjson[i].geometry.location.lng());
        json[key] = loc;
    }

    return json;
}

/**
 * Funcion que obtiene la direccion a partir de las coordenadas.
 * @param lat
 * @param lng
 * @param callback Funcion de callback el primer parametro contiene el status y el segundo un objeto json.
 */
function geocodeLatLng(lat, lng, callback) {
    var latlng = {lat: lat, lng: lng};
    geocoder.geocode({'location': latlng}, function (results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
            if (results[0]) {
                callback(true, {
                    complete: results[0].formatted_address
                });
            } else {
                callback(false, status.status);
            }
        } else {
            callback(false, status.status);
        }
    });
}