var script_version_info = "Leaf-C version 1.1.05.20190405";
var script_author_info  = "by Takanori Sato, 2007-2019";

var map_zoom = 12;
var map_type_preset = "OSM";
var decimal_places = 6; 
var center_cross_image_file = "gomac.png";
var current_position_dot_image_file = "dot16_blue.png";
var info_window_max_width = 300;
var map_type_options_preset = [
    "OSM"
];
var use_geolocation = true;
var use_search_box = false;
var use_link_url = true;
var description = "";
var description4system0 = "";
var description4system = "";

var map = null;
var map_type_id = null;
var useMapNote = {};
var useMapLegend = {};
var popup;
var layerNum = 0;
var layerName = [];
var layerVisibility = [];
var baseLayerIdsArray = [];
var currentBaseLayer = null;
var initialBaseLayer = null;
var baseLayer = [];
var baseLayerName = [];
var controlLayers = null;
var baseLayersArray = [];
var layout_type = 0;

var center_cross_marker = null;
var positionMarker = null;
var positionCircle = null;
var indicate_lat = false;
var indicate_lng = false;
var indicate_lat60 = false;
var indicate_lng60 = false;
var indicate_zoom = false;
var indicate_maptype = false;

function mapTypeIdFromNameWord(word) {
    id = "OSM"; 
    return id;
}

//function mapSourceNote(argMapTypeId, argMapTypeIdsArray) {
function load() {
    // OpenStreetMap
    baseLayerIdsArray.push('OSM');
    baseLayerName['OSM'] = "OpenStreetMap";
    baseLayer['OSM'] = L.tileLayer('//tile.openstreetmap.jp/{z}/{x}/{y}.png', {
	// maxZoom: 18,
	attribution: "&copy; <a href='http://www.openstreetmap.org/copyright'>OpenStreetMap</a> contributors",
	errorTileUrl: "tile_nodata.gif"
	});
	map_type_id = "OSM";
    getUrlArg(); // URL蠑墓焚縺ｫ繧医ｋ蝨ｰ轤ｹ遲峨�謖�ｮ壹ｒ蜿ｯ閭ｽ縺ｫ縺吶ｋ縲�
    initialBaseLayer = baseLayer[map_type_id];
    var map_options = {
	center: [center_lat, center_lng],
	zoom: map_zoom,
	minZoom: 0,
	maxZoom: 18,
	zoomControl: false,
	layers: [initialBaseLayer]
	};

    map = L.map('map_canvas', map_options);
    map.addControl(new L.Control.Zoom({position: "bottomright"}));
    currentBaseLayer = initialBaseLayer

    document.getElementById("iatcslat").value = map.getCenter().lat;
    document.getElementById("iatcslonglat").value = map.getCenter().lng;
    map.on('baselayerchange', function(evtLayer) {
	currentBaseLayer = evtLayer.layer;
	});

    var mapTypeIdsArray = [];
    if ( (typeof map_type_options === "object") && (Object.prototype.toString.call(map_type_options) === "[object Array]") ) {
	for (var i = 0; i < map_type_options.length; i++) {
	    if (mapTypeIdFromNameWord(map_type_options[i]) != null) {
		mapTypeIdsArray.push(mapTypeIdFromNameWord(map_type_options[i]));
		}
	    }
	}
    if ( !(mapTypeIdsArray.length > 0) ) {
	mapTypeIdsArray = [];
	for (var i = 0; i < map_type_options_preset.length; i++) {
	    if (mapTypeIdFromNameWord(map_type_options_preset[i]) != null) {
		mapTypeIdsArray.push(mapTypeIdFromNameWord(map_type_options_preset[i]));
		}
	    }
	}
    for (var i = 0; i < mapTypeIdsArray.length; i++) {
	var iMapTypeId = mapTypeIdsArray[i];
	if (iMapTypeId != null) {
	    baseLayersArray[baseLayerName[iMapTypeId]] = baseLayer[iMapTypeId];
	    }
	}
    if (controlLayers != null) {
	map.removeControl(controlLayers);
	}
    controlLayers = L.control.layers(baseLayersArray);

    L.control.scale({imperial:false}).addTo(map);

//    geolocationSetup();


    var center_cross_image = L.icon({
	iconUrl: center_cross_image_file,
	//iconRetinaUrl: center_cross_image_file,
	iconSize: [100, 100],
	iconAnchor: [50, 50],
	});
    center_cross_marker = new L.marker(map.getCenter(), {
	icon: center_cross_image,
	zIndexOffset: 10,
	clickable:false
	}).addTo(map);

  var circle = L.circleMarker(map.getCenter(), {
    color: 'red',
    fillColor: 'red',
    fillOpacity: 1,
    radius: 2
  }).addTo(map);

    // 
    if ( document.getElementById("description") ) {
	if ( !(document.getElementById("text_top")) && !(document.getElementById("text_bottom"))) {
	    layout_type = 4;
	    } else {
		layout_type =2;
		}
	} else {
	    layout_type = 0;
	    }
    // 
map.on('move', function (ev) {
    var point = map.latLngToLayerPoint(map.getCenter())　//中心の緯度経度を直交座標系に変更
    var upperCenter = map.layerPointToLatLng([point.x, point.y - 30]); //直交座標系で少し上に移動し緯度経度に再変換

    /* 地図の動きに合わせてピンと影も追従 */
    center_cross_marker.closePopup(); //移動中はポップアップを隠す
    center_cross_marker.setLatLng(upperCenter);
    circle.setLatLng(map.getCenter());
  });

map.on('moveend', function (ev) {
    center_cross_marker.setLatLng(map.getCenter());
//    document.getElementById("iatcslat").value = map.getCenter().lat.toFixed(6);
//    document.getElementById("iatcslonglat").value = map.getCenter().lng.toFixed(6);
    document.getElementById("iatcslat").value = map.getCenter().lat;
    document.getElementById("iatcslonglat").value = map.getCenter().lng;
    circle.setLatLng(map.getCenter());
  });

    map.on('zoomend', function() {

	});
    map.on('baselayerchange', function() {

	});
    map.on('load', function() {
	});

    indicateCenter();
//    writeInitialUrl();

}

function indicateCenter() {
    center_cross_marker.setLatLng(map.getCenter());
    var lat_raw = map.getCenter().lat;
    var lng_raw = map.getCenter().lng;
    if (lng_raw > 180) {
	lng_raw = (lng_raw + 180) % 360 -180;
	} else if (lng_raw < -180) {
	    lng_raw = -1 * ( (-1 * lng_raw + 180) % 360 -180);
	    }

    if (indicate_lat) {
	var center_lat = ( Math.round(lat_raw * Math.pow(10, decimal_places) ) / Math.pow(10, decimal_places) ) + "";
	var center_lat_decimal_point = center_lat.indexOf(".");
	if (center_lat_decimal_point == -1){
	    var center_lat_int = center_lat;
	    var center_lat_dec = "";
	    } else {
		var center_lat_int = center_lat.substring(0, center_lat_decimal_point);
		var center_lat_dec = center_lat.substring(center_lat_decimal_point + 1, center_lat.length);
		}
	while (center_lat_dec.length < decimal_places) {
	    center_lat_dec += "0";
	    }
	var center_lat_exp = center_lat_int + "." + center_lat_dec;
	document.getElementById("indicator_lat").innerHTML = center_lat_exp;
	}

    if (indicate_lng) {
	var center_lng = ( Math.round(lng_raw * Math.pow(10, decimal_places) ) / Math.pow(10, decimal_places) ) + "";
	var center_lng_decimal_point = center_lng.indexOf(".");
	if (center_lng_decimal_point == -1){
	    var center_lng_int = center_lng;
	    var center_lng_dec = "";
	    } else {
		var center_lng_int = center_lng.substring(0, center_lng_decimal_point);
		var center_lng_dec = center_lng.substring(center_lng_decimal_point + 1, center_lng.length);
		}
	while (center_lng_dec.length < decimal_places) {
	    center_lng_dec += "0";
	    }
	var center_lng_exp = center_lng_int + "." + center_lng_dec;
	document.getElementById("indicator_lng").innerHTML = center_lng_exp;
	}

    if (indicate_lat60) {
	var lat_sign = 0; var lat_sign_str = ""; var lat_rounded = 0; var lat_deg = 0; var lat_min = 0; var lat_sec = 0;
	if ( lat_raw < 0 ) {
	    lat_sign = -1;
	    lat_sign_str = "蜊礼ｷｯ";
	    } else {
		lat_sign = 1;
		lat_sign_str = "蛹礼ｷｯ";
		}
	lat_rounded = Math.round(lat_raw * lat_sign * 3600);
	lat_deg = Math.floor(lat_rounded / 3600);
	lat_min = Math.floor((lat_rounded - lat_deg * 3600) / 60);
	lat_sec = lat_rounded - (lat_deg * 3600 + lat_min * 60);
	}
    //
    if (indicate_lng60) {
	var lng_sign = 0; var lng_sign_str = ""; var lng_rounded = 0; var lng_deg = 0; var lng_min = 0; var lng_sec = 0;
	if ( lng_raw < 0 ) {
	    lng_sign = -1;
	    lng_sign_str = "隘ｿ邨�";
	    } else {
		lng_sign = 1;
		lng_sign_str = "譚ｱ邨�";
		}
	lng_rounded = Math.round(lng_raw * lng_sign *3600);
	lng_deg = Math.floor(lng_rounded / 3600);
	lng_min = Math.floor((lng_rounded - lng_deg * 3600) / 60);
	lng_sec = lng_rounded - (lng_deg * 3600 + lng_min * 60);
	}
}

//function indicateMapInfo() {

function getBaseLayerId(objBaseLayer) {
    var baseLayerId = '';
    for (var i = 0; i < baseLayerIdsArray.length; i++) {
	if (baseLayer[baseLayerIdsArray[i]] == objBaseLayer) {
	    baseLayerId = baseLayerIdsArray[i];
	    }
	}
    return baseLayerId;
}

//function geolocationSetup() {

function geolocationGetPosition() {
    if ( (use_geolocation == true) && (navigator.geolocation) ) {
	navigator.geolocation.getCurrentPosition(geolocationGetPositionSuccess, geolocationGetPositionError);
	} else {
	    alert("error: geolocation get posotion");
	    }
}

function geolocationGetPositionSuccess(position) {
    if (map.hasLayer(positionMarker) == true) {
	map.removeLayer(positionMarker);
	}
    if (map.hasLayer(positionCircle) == true) {
	map.removeLayer(positionCircle);
	}
    var lat = position.coords.latitude;
    var lng = position.coords.longitude;
    var acc = position.coords.accuracy;
    positionMarker.setLatLng(L.latLng(lat, lng));
    positionCircle.setLatLng(L.latLng(lat, lng));
    positionCircle.setRadius(acc);
    // 
//    var zoom = Math.floor(Math.log(40000000 * Math.cos(lat * (Math.PI / 180)) / acc) / Math.log(2.0));
    var zoom = 12;
    if (zoom < 0) {zoom = 0;}
    if (zoom > 18) {zoom = 18;}
    map.setView(L.latLng(lat, lng), zoom);
    positionMarker.addTo(map);
    positionCircle.addTo(map);
    if (document.getElementById("ButtonClearPosition")) {
	document.getElementById("ButtonClearPosition").disabled = false;
	}
}

function geolocationGetPositionError(errorCode) {
    if (map.hasLayer(positionMarker) == true) {
	map.removeLayer(positionMarker);
	}
    if (map.hasLayer(positionCircle) == true) {
	map.removeLayer(positionCircle);
	}
    if (document.getElementById("ButtonClearPosition")) {
	document.getElementById("ButtonClearPosition").disabled = true;
	}
    var errorMessage = "";
    switch ( errorCode ) {
	case 1:
	errorMessage = "geolocationGetPositionError:" + errorCode;
	break;
	case 2:
	errorMessage = "geolocationGetPositionError:" + errorCode;
	break;
	case 3:
	errorMessage = "geolocationGetPositionError:" + errorCode;
	break;
	default:
	errorMessage = "geolocationGetPositionError:" + errorCode;
	}
    alert("geolocationGetPositionError:" + errorMessage);
}

function geolocationClearPosition() {
    if (map.hasLayer(positionMarker) == true) {
	map.removeLayer(positionMarker);
	}
    if (map.hasLayer(positionCircle) == true) {
	map.removeLayer(positionCircle);
	}
    if (document.getElementById("ButtonClearPosition")) {
	document.getElementById("ButtonClearPosition").disabled = true;
	}
}
// 

//function writeInitialUrl() {

//function writeUrl() {

function getUrlArg() {
    var url_arg = [];
    url_arg["ll"] = ""; url_arg["z"] = ""; url_arg["t"] = "";
    url_arg["data"] = ""; url_arg["file"] = ""; url_arg["cache"] = "";
    url_arg["vm"] = ""; url_arg["vo"] = "";
    url_arg["search"] = ""; url_arg["url"] = "";
    var url_arg_str = location.search.substr(1).split('&');
    for (var i = 0; i < url_arg_str.length; i++) {
	var s = url_arg_str[i].split('=');
	url_arg[s[0]] = decodeURIComponent(s[1]);
	}
    var ll = url_arg["ll"].split(',');
    if ( (ll[0] != "") && !(isNaN(ll[0] - 0)) && (ll[1] != "") && !(isNaN(ll[1] - 0)) ) {
	if ( (ll[0] >= -90) && (ll[0] <= 90) && (ll[1] >= -180) && (ll[1] <= 180) ) {
	    center_lat = ll[0];
	    center_lng = ll[1];
	    }
	}
    if ( (url_arg["z"] != "") && !(isNaN(url_arg["z"] - 0)) ) {
	if ( (url_arg["z"] >= 0) && (url_arg["z"] <= 21) ) {
	    map_zoom = parseInt(url_arg["z"], 10);
	    }
	}
    if (url_arg["t"] != "") {
	if (mapTypeIdFromNameWord(url_arg["t"]) != null) {
	    map_type_id = mapTypeIdFromNameWord(url_arg["t"]);
	    }
	}
    switch ( url_arg["search"] ) {
	case "yes":
	case "y":
	use_search_box = true;
	break;
	case "no":
	case "n":
	use_search_box = false;
	break;
	}
    switch ( url_arg["url"] ) {
	case "yes":
	case "y":
	use_link_url = true;
	break;
	case "no":
	case "n":
	use_link_url = false;
	break;
	}
}


window.onload = load;