qwc2-lts
Version:
QGIS Web Client
179 lines (176 loc) • 9.31 kB
JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t["return"] || t["return"](); } finally { if (u) throw o; } } }; }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
/**
* Copyright 2015 GeoSolutions Sas
* Copyright 2016-2024 Sourcepole AG
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
import ol from 'openlayers';
import FeatureStyles from '../../../utils/FeatureStyles';
export function createFeatures(options, mapCrs) {
var format = new ol.format.GeoJSON();
return (options.features || []).reduce(function (collection, feature) {
var featureObject = format.readFeatures(_objectSpread(_objectSpread({}, feature), {}, {
type: "Feature"
}));
featureObject.forEach(function (f) {
var _ref, _feature$crs;
var featureCrs = (_ref = (_feature$crs = feature.crs) !== null && _feature$crs !== void 0 ? _feature$crs : options.projection) !== null && _ref !== void 0 ? _ref : mapCrs;
if (featureCrs.type === "name") {
featureCrs = featureCrs.properties.name;
}
if (featureCrs !== mapCrs) {
var _f$getGeometry;
(_f$getGeometry = f.getGeometry()) === null || _f$getGeometry === void 0 || _f$getGeometry.transform(featureCrs, mapCrs);
}
var featureStyleName = feature.styleName || options.styleName;
var featureStyleOptions = _objectSpread(_objectSpread({}, options.styleOptions), feature.styleOptions);
f.set('styleName', featureStyleName);
f.set('styleOptions', featureStyleOptions);
if (feature.circleParams) {
f.set('circleParams', feature.circleParams);
}
if (feature.shape) {
f.set('shape', feature.shape);
}
if (feature.measurements) {
f.set('measurements', feature.measurements);
}
if (featureStyleName) {
f.setStyle(FeatureStyles[featureStyleName](f, featureStyleOptions));
}
});
return collection.concat(featureObject);
}, []);
}
export function updateFeatures(source, newOptions, oldOptions, mapCrs) {
var format = new ol.format.GeoJSON();
var oldFeaturesMap = (oldOptions.features || []).reduce(function (res, f) {
res[f.id] = f;
return res;
}, {});
var newIds = new Set(newOptions.features.map(function (f) {
return f.id;
}));
var removed = Object.keys(oldFeaturesMap).filter(function (id) {
return !newIds.has(id);
});
// Remove removed features
var _iterator = _createForOfIteratorHelper(removed),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var id = _step.value;
var feature = source.getFeatureById(id);
if (feature) {
source.removeFeature(feature);
}
}
// Add / update features
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
var newFeatureObjects = [];
var _iterator2 = _createForOfIteratorHelper(newOptions.features),
_step2;
try {
var _loop = function _loop() {
var feature = _step2.value;
if (oldFeaturesMap[feature.id] && oldFeaturesMap[feature.id] === feature) {
// Unchanged, continue
return 1; // continue
}
if (oldFeaturesMap[feature.id] && oldFeaturesMap[feature.id] !== feature) {
// Changed, remove
var oldFeature = source.getFeatureById(feature.id);
if (oldFeature) {
source.removeFeature(oldFeature);
}
}
// Add new
var featureObject = format.readFeatures(_objectSpread(_objectSpread({}, feature), {}, {
type: "Feature"
}));
featureObject.forEach(function (f) {
var _ref2, _feature$crs2;
var featureCrs = (_ref2 = (_feature$crs2 = feature.crs) !== null && _feature$crs2 !== void 0 ? _feature$crs2 : newOptions.projection) !== null && _ref2 !== void 0 ? _ref2 : mapCrs;
if (featureCrs.type === "name") {
featureCrs = featureCrs.properties.name;
}
if (featureCrs !== mapCrs) {
var _f$getGeometry2;
(_f$getGeometry2 = f.getGeometry()) === null || _f$getGeometry2 === void 0 || _f$getGeometry2.transform(featureCrs, mapCrs);
}
var featureStyleName = feature.styleName || newOptions.styleName;
var featureStyleOptions = _objectSpread(_objectSpread({}, newOptions.styleOptions), feature.styleOptions);
f.set('styleName', featureStyleName);
f.set('styleOptions', featureStyleOptions);
f.set('circleParams', feature.circleParams);
f.set('shape', feature.shape);
f.set('measurements', feature.measurements);
if (featureStyleName) {
f.setStyle(FeatureStyles[featureStyleName](f, featureStyleOptions));
}
});
newFeatureObjects = newFeatureObjects.concat(featureObject);
};
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
if (_loop()) continue;
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
if (newFeatureObjects) {
source.addFeatures(newFeatureObjects);
}
}
export function featureStyleFunction(options) {
return function (feature) {
var styleName = options.styleName || 'default';
var styleOptions = options.styleOptions || {};
return FeatureStyles[styleName](feature, styleOptions);
};
}
export default {
create: function create(options, map) {
var source = new ol.source.Vector();
var mapCrs = map.getView().getProjection().getCode();
var features = createFeatures(options, mapCrs);
source.addFeatures(features);
var vectorLayer = new ol.layer.Vector({
source: source,
style: options.styleFunction || featureStyleFunction(options)
});
return vectorLayer;
},
update: function update(layer, newOptions, oldOptions, map) {
var mapCrs = map.getView().getProjection().getCode();
if (newOptions.styleName !== oldOptions.styleName || newOptions.styleOptions !== oldOptions.styleOptions) {
layer.setStyle(featureStyleFunction(newOptions));
} else if (newOptions.styleFunction !== oldOptions.styleFunction) {
layer.setStyle(newOptions.styleFunction);
}
if (newOptions.features !== oldOptions.features) {
updateFeatures(layer.getSource(), newOptions, oldOptions, mapCrs);
} else if ((oldOptions.rev || 0) !== (newOptions.rev || 0)) {
layer.getSource().changed();
}
},
render: function render() {
return null;
}
};