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import '../core/Base';
import L from "leaflet";
import {FetchRequest as Request} from '../../common/util/FetchRequest';
import SuperMap from '../../common/SuperMap';
import {CartoCSSToLeaflet} from '../overlay/carto/CartoCSSToLeaflet' ;
import {NonEarthCRS} from "../core/NonEarthCRS"
/**
* @class L.supermap.webmap
* @classdesc 对接iPortal/Online地图类。
* @extends L.LayerGroup{@linkdoc-leaflet/#layergroup}
* @param id - {number}iPortal/Online地图id。
* @param options - {Object} 可选参数。如：<br>
* map - {string} 地图容器id。<br>
* server - {string} iPortal/Online服务地址。默认为 http://www.supermapol.com <br>
* featureLayerPopupEnable - {boolean} 是否启动要素图层提示框。<br>
* featureLayerPopup - {string} 提示框提示信息。<br>
* credentialValue - {string} 证书值。<br>
* credentialKey - {string} 证书密钥。<br>
* attribution - {string} 版权信息。
*/
export var WebMap = L.LayerGroup.extend({
options: {
map: 'map',
server: 'http://www.supermapol.com',
featureLayerPopupEnable: true,
featureLayerPopup: null,
credentialValue: null,
credentialKey: 'key',
attribution: "Map Data <span>© <a href='http://www.supermapol.com'>SuperMap Online</a></span> with <span>© <a href='http://iclient.supermapol.com' target='_blank'>SuperMap iClient</a></span>"
},
/**
* @function L.supermap.webmap.prototype.defaultFeatureLayerPopup
* @description 默认图层弹出框
* @param layer -{L.Layer} 指定图层
* @return {string} 图层弹出框内容
*/
defaultFeatureLayerPopup: function (layer) {
return layer.feature.properties.attributes.title + ":" + layer.feature.properties.attributes.description;
},
initialize: function (id, options) {
this._layers = {};
L.setOptions(this, options);
this.id = id;
this.load();
this.cartoCSSToLeaflet = new CartoCSSToLeaflet();
},
/**
* @function L.supermap.webmap.prototype.load
* @description 登陆后添加地图图层
*/
load: function () {
if (this.options.server.indexOf('http://') < 0 && this.options.server.indexOf('https://') < 0) {
this.options.server = "http://" + this.options.server;
}
var mapUrl = this.options.server + '/web/maps/' + this.id + '.json';
if (this.options.credentialValue) {
mapUrl += ('?' + this.options.credentialKey + '=' + this.options.credentialValue);
}
var me = this;
Request.get(mapUrl).then(function (response) {
return response.json()
}).then(function (jsonObj) {
if (!jsonObj) {
return;
}
var layers = jsonObj.layers;
me.mapInfo = jsonObj;
me.createLayersByJson(layers);
});
},
/**
* @function L.supermap.webmap.prototype.addLayerWrapper
* @description 添加图层容器
* @param layer - {L.Layer} 待添加的图层
* @param isBaseLayer -{boolean} 是否为底图层
* @param options - {Object} 创建地图的可选参数
* @return {this}
*/
addLayerWrapper: function (layer, isBaseLayer, options) {
if (isBaseLayer) {
this.createMap(options);
}
return this.addLayer(layer)
},
/**
* @private
* @function L.supermap.webmap.prototype.createLayersByJson
* @description 通过json创建图层
* @param layersJson - {JSON} 图层的json信息
*/
createLayersByJson: function (layersJson) {
if (!L.Util.isArray(layersJson)) {
return;
}
if (layersJson.length === 0) {
return;
}
this.layers = [];
var layerQueue = [];
for (var i = 0; i < layersJson.length; i++) {
var layerJson = layersJson[i];
layerJson["_originIndex"] = i;
var layerJsonType = layerJson.layerType = layerJson.layerType || "BASE_LAYER";
if (layerJsonType !== "BASE_LAYER") {
//如果图层不是底图，则先加到图层队列里面等待底图完成后再处理
layerQueue.unshift(layerJson);
continue;
} else {
layerJson.isBaseLayer = true;
this.createLayer(layerJson.type, layerJson);
}
}
//底图加载完成后开始处理图层队列里的图层
while (layerQueue.length > 0) {
var layerInfo = layerQueue.pop();
var type = layerInfo.type;
var layerType = layerInfo.layerType = layerInfo.layerType || "BASE_LAYER";
if (layerType !== "OVERLAY_LAYER") {
type = layerType;
}
this.createLayer(type, layerInfo);
}
this.fire('mapLoaded', {map: this._map});
},
/**
* @private
* @function L.supermap.webmap.prototype.createCRS
* @description 创建坐标对象
* @param epsgCode - {mnumber} epsg编码
* @param type - {string} 坐标类型
* @param resolutions - {number}分辨率
* @param origin - {SuperMap.Point} 起始点
* @param bounds -{SuperMap.Bounds} 指定坐标范围
*/
createCRS: function (epsgCode, type, resolutions, origin, bounds) {
if (epsgCode < 0) {
return new NonEarthCRS({
bounds: bounds,
origin: origin,
resolutions: resolutions
})
}
if (epsgCode === 910112 || epsgCode === 910102) {
return L.CRS.BaiduCRS;
}
if (epsgCode === 910111) {
epsgCode = 3857
//todo 火星mercator
}
if (epsgCode === 910101) {
epsgCode = 4326
//todo 火星
}
return L.Proj.CRS("EPSG:" + epsgCode,
{
origin: origin,
resolutions: resolutions,
bounds: bounds
})
},
/**
* @private
* @function L.supermap.webmap.prototype.createMap
* @description 创建地图
* @param options - {Object} 创建地图所需参数
*/
createMap: function (options) {
var crs = options.crs || L.CRS.EPSG3857;
var bounds = L.latLngBounds(crs.unproject(options.bounds.min), crs.unproject(options.bounds.max));
this._map = L.map(this.options.map, {
center: bounds.getCenter(),
maxZoom: options.maxZoom || 22,
minZoom: options.minZoom || 0,
zoom: options.zoom || 0,
crs: crs
});
if (crs instanceof NonEarthCRS) {
this._map.setZoom(options.zoom ? options.zoom + 2 : 2, {maxZoom: options.maxZoom || 22});
} else {
this._map.fitBounds(bounds, {maxZoom: options.maxZoom || 22});
}
},
/**
* @function L.supermap.webmap.prototype.getResolutionsFromScales
* @description 通过比例尺获取分辨率
* @param scales - {Array<number>} 排序比例尺数组
* @param dpi - {number}屏幕分辨率
* @param units - {string} 地图的单位
* @param datum - {SuperMap.Datum} 大地参照系类
* @return {Array<number>}
*/
getResolutionsFromScales: function (scales, dpi, units, datum) {
var resolutions = [];
for (var i = 0; i < scales.length; i++) {
resolutions.push(L.Util.GetResolutionFromScaleDpi(scales[i], dpi, units, datum))
}
return resolutions;
},
/**
* @function L.supermap.webmap.prototype.createLayer
* @description 创建图层
* @param type - {string} 图层类型
* @param layerInfo - {Object} 图层信息
*/
createLayer: function (type, layerInfo) {
var prjCoordSys = layerInfo.prjCoordSys,
epsgCode = prjCoordSys && prjCoordSys.epsgCode || this.mapInfo.epsgCode,
center = this.mapInfo.center || layerInfo.center,
level = this.mapInfo.level || layerInfo.level,
bounds = this.mapInfo.extent || layerInfo.bounds,
scales = layerInfo.scales,
isBaseLayer = layerInfo.isBaseLayer,
opacity = layerInfo.opacity;
var mapBounds = L.bounds([bounds.leftBottom.x, bounds.leftBottom.y], [bounds.rightTop.x, bounds.rightTop.y]);
var layerBounds = layerInfo.bounds ? L.bounds([layerInfo.bounds.leftBottom.x, layerInfo.bounds.leftBottom.y], [layerInfo.bounds.rightTop.x, layerInfo.bounds.rightTop.y]) : null;
var origin = layerBounds ? L.point(layerBounds.min.x, layerBounds.max.y) : L.point(mapBounds.min.x, mapBounds.max.y);
var resolutions = !scales ? null : this.getResolutionsFromScales(scales, 96, layerInfo.units);
var crs = this.createCRS(epsgCode, prjCoordSys ? prjCoordSys.type : '', resolutions, origin, layerBounds || mapBounds);
var mapOptions = {
bounds: mapBounds,
center: L.point(center.x, center.y),
crs: crs,
zoom: level
};
var layer;
switch (type) {
case "SUPERMAP_REST" :
layer = L.supermap.tiledMapLayer(layerInfo.url, {
transparent: true,
opacity: opacity
});
break;
case "SUPERMAP_REST_VECTOR":
//ToDO
break;
case "TIANDITU_VEC":
case "TIANDITU_IMG":
case "TIANDITU_TER":
mapOptions.crs = epsgCode === 4326 ? L.CRS.TianDiTu_WGS84 : L.CRS.TianDiTu_Mercator;
mapOptions.minZoom = 1;
mapOptions.zoom = 1 + mapOptions.zoom;
layer = this.createTiandituLayer(layerInfo, epsgCode);
break;
case "BAIDU":
mapOptions.crs = L.CRS.BaiduCRS;
mapOptions.zoom = 3 + mapOptions.zoom;
mapOptions.minZoom = 3;
layer = L.supermap.baiduTileLayer();
break;
case 'BING':
//todo
break;
case "WMS":
layer = this.createWmsLayer(layerInfo);
break;
case "WMTS":
mapOptions.resolutions = this.getResolutionsFromScales(scales, 90.71446714322, layerInfo.units);
var identifier = layerInfo.identifier;
var layerName = identifier.substring(identifier.indexOf("_") + 1);
layer = L.supermap.wmtsLayer(layerInfo.url,
{
layer: layerName,
style: "default",
tilematrixSet: identifier,
format: "image/png",
}
);
break;
case "CLOUD":
mapOptions.crs = L.CRS.EPSG3857;
mapOptions.zoom = 3 + mapOptions.zoom;
mapOptions.minZoom = 3;
layer = L.supermap.cloudTileLayer(layerInfo.url, {opacity: opacity});
break;
case "MARKER_LAYER":
layer = this.createMarkersLayer(layerInfo, crs);
break;
case "FEATURE_LAYER":
if (layerInfo.identifier == "ANIMATORVECTOR") {
//todo
} else if (layerInfo.identifier == "THEME") {
//todo
} else {
layer = this.createVectorLayer(layerInfo, crs);
}
break;
default:
throw new Error('unSupported Layer Type');
break;
}
if (layer) {
this.addLayerWrapper(layer, isBaseLayer, mapOptions);
}
},
/**
* @private
* @function L.supermap.webmap.prototype.createTiandituLayer
* @description 创建天地图图层
* @param layerInfo - {Object} 图层信息
* @param epsgCode - {number}epsg编码
* @return {L.supermap.tiandituTileLayer}
*/
createTiandituLayer: function (layerInfo, epsgCode) {
var proj = epsgCode === 4326 ? "c" : "w";
var wmtsURL =
"http://t{s}.tianditu.com/{type}_{proj}/wmts?";
var type = layerInfo.type.split('_')[1].toLowerCase();
if (layerInfo.layerType === 'OVERLAY_LAYER') {
if (type == "vec") type = "cva"
if (type == "img") type = "cia"
if (type == "ter") type = "cta"
}
wmtsURL = wmtsURL.replace("{type}", type).replace("{proj}", proj);
var layer = L.supermap.tiandituTileLayer(wmtsURL,
{
layer: type,
tilematrixSet: proj,
}
);
return layer;
},
/**
* @private
* @function L.supermap.webmap.prototype.createMarkersLayer
* @description 创建图标图层
* @param layerInfo - {Object} 图层信息
* @param crs - {Object} 坐标对象
* @return {L.Layer}
*/
createMarkersLayer: function (layerInfo, crs) {
var markers = layerInfo.markers || [];
//style = layerInfo.style,
//opacity = layerInfo.opacity,
//marker, point, size, offset, icon, that = this;
//todo offset
var coordsToLatLng = function (coords) {
var ll = crs.unproject(L.point(coords[0], coords[1]));
return new L.LatLng(ll.lat, ll.lng, coords[2]);
};
var layer = L.geoJSON(L.Util.toGeoJSON(markers), {
pointToLayer: function (geojson, latlng) {
var m = new L.Marker(latlng);
m.setStyle = function (style) {
if (style) {
m.setIcon(style);
}
}
return m;
},
coordsToLatLng: coordsToLatLng, style: function (geoJsonFeature) {
return that.cartoCSSToLeaflet.getStyleFromiPortalMarker(geoJsonFeature.properties.icon);
},
});
if (this.options.featureLayerPopupEnable) {
layer.bindPopup(this.options.featureLayerPopup || this.defaultFeatureLayerPopup)
}
return layer;
},
/**
* @private
* @function L.supermap.webmap.prototype.createVectorLayer
* @description 创建矢量要素图层
* @param layerInfo - {Object} 图层信息
* @param crs - {Object} 坐标对象
* @return {L.Layer}
*/
createVectorLayer: function (layerInfo, crs) {
var style = layerInfo.style,
opacity = layerInfo.opacity,
isVisible = layerInfo.isVisible,
me = this;
//todo readonly = layerInfo.readonly;
var coordsToLatLng = function (coords) {
var ll = crs.unproject(L.point(coords[0], coords[1]));
return new L.LatLng(ll.lat, ll.lng, coords[2]);
};
if (!layerInfo.url) {
var layer = L.geoJSON(L.Util.toGeoJSON(layerInfo.features), {
pointToLayer: function (geojson, latlng) {
var m = new L.Marker(latlng);
m.setStyle = function (style) {
if (style) {
m.setIcon(style);
}
}
return m;
},
coordsToLatLng: coordsToLatLng, style: function (geoJsonFeature) {
return me.cartoCSSToLeaflet.getStyleFromiPortalStyle(style ? style : {}, geoJsonFeature.geometry.type, geoJsonFeature.properties.style);
},
opacity: opacity
});
if (this.options.featureLayerPopupEnable) {
layer.bindPopup(this.options.featureLayerPopup || this.defaultFeatureLayerPopup)
}
return layer;
} else {
var url = layerInfo.url,
datasourceName = layerInfo.name,
datasets = layerInfo.features;
style = layerInfo.style;
var fun = function (serviceResult) {
var layer = L.geoJSON(serviceResult.result, {
pointToLayer: function (geojson, latlng) {
var m = new L.Marker(latlng);
m.setStyle = function (style) {
if (style) {
m.setIcon(style);
}
};
return m;
},
coordsToLatLng: coordsToLatLng,
style: function (geoJsonFeature) {
return me.cartoCSSToLeaflet.getStyleFromiPortalStyle(style ? style : {}, geoJsonFeature.geometry.type, geoJsonFeature.properties.style);
},
opacity: opacity
});
if (this.options.featureLayerPopupEnable) {
layer.bindPopup(me.options.featureLayerPopup || me.defaultFeatureLayerPopup)
}
me.addLayer(layer);
};
for (var setNameIndex = 0; setNameIndex < datasets.length; setNameIndex++) {
var dataset = datasets[setNameIndex];
if (dataset.visible) {
var sqlParam = new SuperMap.GetFeaturesBySQLParameters({
queryParameter: {
name: dataset.name + "@" + datasourceName,
attributeFilter: "SMID >0"
},
datasetNames: [datasourceName + ":" + dataset.name]
});
L.supermap.getFeaturesService(url).getFeaturesBySQL(sqlParam).on("complete", fun);
}
}
}
},
/**
* @private
* @function L.supermap.webmap.prototype.createWmsLayer
* @description 创建Wms图层
* @param layerInfo - {Object} 图层信息
*/
createWmsLayer: function (layerInfo) {
var url = layerInfo.url,
opacity = layerInfo.opacity,
subLayers = layerInfo.subLayers;
if (!subLayers || subLayers === "undefined" || subLayers === "null") {
subLayers = "0";
}
return L.tileLayer.wms(url, {
layers: subLayers,
format: 'image/png',
transparent: true,
noWrap: true,
opacity: opacity
})
}
});
export var webMap = function (id, options) {
return new WebMap(id, options);
};
L.supermap.webmap = webMap