Agriculture-front-end/public/libs/openlayers/ol3-echarts/1.3.6/ol3Echarts.js
2023-06-22 06:50:23 +08:00

681 lines
21 KiB
JavaScript

/*!
* author: FDD <smileFDD@gmail.com>
* ol3-echarts v1.3.6
* build-time: 2018-12-22 14:19
* LICENSE: MIT
* (c) 2017-2018 https://sakitam-fdd.github.io/ol3Echarts
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('echarts'), require('openlayers')) :
typeof define === 'function' && define.amd ? define(['echarts', 'openlayers'], factory) :
(global.ol3Echarts = factory(global.echarts,global.ol));
}(this, (function (echarts,ol) { 'use strict';
echarts = echarts && echarts.hasOwnProperty('default') ? echarts['default'] : echarts;
ol = ol && ol.hasOwnProperty('default') ? ol['default'] : ol;
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var possibleConstructorReturn = function (self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
var isObject = function isObject(value) {
var type = typeof value === 'undefined' ? 'undefined' : _typeof(value);
return value !== null && (type === 'object' || type === 'function');
};
var merge = function merge(a, b) {
for (var key in b) {
if (isObject(b[key]) && isObject(a[key])) {
merge(a[key], b[key]);
} else {
a[key] = b[key];
}
}
return a;
};
var getTarget = function getTarget(selector) {
var doc = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : document;
var dom = function () {
var found = void 0;
return doc && /^#([\w-]+)$/.test(selector) ? (found = doc.getElementById(RegExp.$1)) ? [found] : [] : Array.prototype.slice.call(/^\.([\w-]+)$/.test(selector) ? doc.getElementsByClassName(RegExp.$1) : /^[\w-]+$/.test(selector) ? doc.getElementsByTagName(selector) : doc.querySelectorAll(selector));
}();
return dom;
};
var map = function map(obj, cb, context) {
if (!(obj && cb)) {
return;
}
if (obj.map && obj.map === Array.prototype.map) {
return obj.map(cb, context);
} else {
var result = [];
for (var i = 0, len = obj.length; i < len; i++) {
result.push(cb.call(context, obj[i], i, obj));
}
return result;
}
};
var bind = function bind(func, context) {
var args = Array.prototype.slice.call(arguments, 2);
return function () {
return func.apply(context, args.concat(Array.prototype.slice.call(arguments)));
};
};
var arrayAdd = function arrayAdd(array, item) {
var i = 0;
var index = void 0;
var length = array.length;
for (; i < length; i++) {
if (array[i]['seriesIndex'] === item['seriesIndex']) {
index = i;
}
}
if (index === undefined) {
array.push(item);
} else {
array[index] = item;
}
return array;
};
var checkDecoded = function checkDecoded(json) {
if (json.UTF8Encoding) {
return false;
} else {
return true;
}
};
var decode = function decode(json) {
if (checkDecoded(json)) {
return json;
}
var encodeScale = json.UTF8Scale;
if (encodeScale == null) {
encodeScale = 1024;
}
var features = json.features;
for (var f = 0; f < features.length; f++) {
var feature = features[f];
var geometry = feature.geometry;
var _ref = [geometry.coordinates, geometry.encodeOffsets],
coordinates = _ref[0],
encodeOffsets = _ref[1];
for (var c = 0; c < coordinates.length; c++) {
var coordinate = coordinates[c];
if (geometry.type === 'Polygon') {
coordinates[c] = decodePolygon(coordinate, encodeOffsets[c], encodeScale);
} else if (geometry.type === 'MultiPolygon') {
for (var c2 = 0; c2 < coordinate.length; c2++) {
var polygon = coordinate[c2];
coordinate[c2] = decodePolygon(polygon, encodeOffsets[c][c2], encodeScale);
}
}
}
}
json.UTF8Encoding = false;
return json;
};
var decodePolygon = function decodePolygon(coordinate, encodeOffsets, encodeScale) {
var _ref2 = [[], encodeOffsets[0], encodeOffsets[1]],
result = _ref2[0],
prevX = _ref2[1],
prevY = _ref2[2];
for (var i = 0; i < coordinate.length; i += 2) {
var x = coordinate.charCodeAt(i) - 64;
var y = coordinate.charCodeAt(i + 1) - 64;
x = x >> 1 ^ -(x & 1);
y = y >> 1 ^ -(y & 1);
x += prevX;
y += prevY;
prevX = x;
prevY = y;
result.push([x / encodeScale, y / encodeScale]);
}
return result;
};
function formatGeoJSON (json) {
var geoJson = decode(json);
var _features = echarts.util.map(echarts.util.filter(geoJson.features, function (featureObj) {
return featureObj.geometry && featureObj.properties && featureObj.geometry.coordinates.length > 0;
}), function (featureObj) {
var properties = featureObj.properties;
var geo = featureObj.geometry;
var coordinates = geo.coordinates;
var geometries = [];
if (geo.type === 'Polygon') {
geometries.push(coordinates[0]);
}
if (geo.type === 'MultiPolygon') {
echarts.util.each(coordinates, function (item) {
if (item[0]) {
geometries.push(item[0]);
}
});
}
return {
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: geometries
},
properties: properties
};
});
return {
type: 'FeatureCollection',
crs: {},
features: _features
};
}
var _getCoordinateSystem = function _getCoordinateSystem(map$$1) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var RegisterCoordinateSystem = function RegisterCoordinateSystem() {
this._mapOffset = [0, 0];
this.dimensions = ['lng', 'lat'];
this.projCode_ = this._getProjectionCode();
};
RegisterCoordinateSystem.prototype.dimensions = ['lng', 'lat'];
RegisterCoordinateSystem.dimensions = RegisterCoordinateSystem.prototype.dimensions;
RegisterCoordinateSystem.prototype.getZoom = function () {
return map$$1.getView().getZoom();
};
RegisterCoordinateSystem.prototype.setZoom = function (zoom) {
return map$$1.getView().setZoom(zoom);
};
RegisterCoordinateSystem.prototype.getViewRectAfterRoam = function () {
return this.getViewRect().clone();
};
RegisterCoordinateSystem.prototype.setMapOffset = function (mapOffset) {
this._mapOffset = mapOffset;
};
RegisterCoordinateSystem.prototype.dataToPoint = function (coords) {
if (coords && Array.isArray(coords) && coords.length > 0) {
coords = coords.map(function (item) {
if (typeof item === 'string') {
item = Number(item);
}
return item;
});
}
var source = options['source'] || 'EPSG:4326';
var destination = options['destination'] || this.projCode_;
var pixel = map$$1.getPixelFromCoordinate(ol.proj.transform(coords, source, destination));
var mapOffset = this._mapOffset;
return [pixel[0] - mapOffset[0], pixel[1] - mapOffset[1]];
};
RegisterCoordinateSystem.prototype._getProjectionCode = function () {
var code = '';
if (map$$1) {
code = map$$1.getView() && map$$1.getView().getProjection().getCode();
} else {
code = 'EPSG:3857';
}
return code;
};
RegisterCoordinateSystem.prototype.pointToData = function (pixel) {
var mapOffset = this._mapOffset;
return map$$1.getCoordinateFromPixel([pixel[0] + mapOffset[0], pixel[1] + mapOffset[1]]);
};
RegisterCoordinateSystem.prototype.getViewRect = function () {
var size = map$$1.getSize();
return new echarts.graphic.BoundingRect(0, 0, size[0], size[1]);
};
RegisterCoordinateSystem.prototype.getRoamTransform = function () {
return echarts.matrix.create();
};
RegisterCoordinateSystem.prototype.prepareCustoms = function (data) {
var rect = this.getViewRect();
return {
coordSys: {
type: 'openlayers',
x: rect.x,
y: rect.y,
width: rect.width,
height: rect.height
},
api: {
coord: bind(this.dataToPoint, this),
size: bind(RegisterCoordinateSystem.dataToCoordSize, this)
}
};
};
RegisterCoordinateSystem.dataToCoordSize = function (dataSize, dataItem) {
dataItem = dataItem || [0, 0];
return map([0, 1], function (dimIdx) {
var val = dataItem[dimIdx];
var halfSize = dataSize[dimIdx] / 2;
var p1 = [],
p2 = [];
p1[dimIdx] = val - halfSize;
p2[dimIdx] = val + halfSize;
p1[1 - dimIdx] = p2[1 - dimIdx] = dataItem[1 - dimIdx];
return Math.abs(this.dataToPoint(p1)[dimIdx] - this.dataToPoint(p2)[dimIdx]);
}, this);
};
RegisterCoordinateSystem.create = function (echartModel, api) {
echartModel.eachSeries(function (seriesModel) {
if (seriesModel.get('coordinateSystem') === 'openlayers') {
seriesModel.coordinateSystem = new RegisterCoordinateSystem(map$$1);
}
});
};
return RegisterCoordinateSystem;
};
var pie = function pie(options, serie, coordinateSystem) {
serie.center = coordinateSystem.dataToPoint(serie.coordinates);
return serie;
};
var bar = function bar(options, serie, coordinateSystem) {
if (isObject(options.grid) && !Array.isArray(options.grid)) {
console.log(options);
} else if (Array.isArray(options.grid)) {
options.grid = options.grid.map(function (gri, index) {
var coorPixel = coordinateSystem.dataToPoint(options.series[index].coordinates);
gri.left = coorPixel[0] - parseFloat(gri.width) / 2;
gri.top = coorPixel[1] - parseFloat(gri.height) / 2;
return gri;
});
}
return serie;
};
var charts = /*#__PURE__*/Object.freeze({
pie: pie,
bar: bar
});
var _options = {
forcedRerender: false,
forcedPrecomposeRerender: false,
hideOnZooming: false,
hideOnMoving: false,
hideOnRotating: false,
convertTypes: ['pie', 'line', 'bar']
};
var ol3Echarts = function (_ol$Object) {
inherits(ol3Echarts, _ol$Object);
function ol3Echarts(chartOptions) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var map$$1 = arguments[2];
classCallCheck(this, ol3Echarts);
var _this = possibleConstructorReturn(this, _ol$Object.call(this));
_this.$options = merge(_options, options);
_this.$chartOptions = chartOptions;
_this.$chart = null;
_this.$Map = null;
_this._isRegistered = false;
_this._incremental = [];
_this._coordinateSystem = null;
if (map$$1) _this.appendTo(map$$1);
return _this;
}
ol3Echarts.prototype.appendTo = function appendTo(map$$1) {
if (map$$1 && map$$1 instanceof ol.Map) {
this.$Map = map$$1;
this.$Map.once('postrender', this.render, this);
this.$Map.renderSync();
this._unRegisterEvents();
this._registerEvents();
} else {
throw new Error('not map object');
}
};
ol3Echarts.prototype.getChartOptions = function getChartOptions() {
return this.$chartOptions;
};
ol3Echarts.prototype.setChartOptions = function setChartOptions() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
this.$chartOptions = options;
this.$Map.once('postrender', this.render, this);
this.$Map.renderSync();
return this;
};
ol3Echarts.prototype.appendData = function appendData(data) {
var save = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
if (data) {
if (save) {
this._incremental = arrayAdd(this._incremental, {
data: data.data,
seriesIndex: data.seriesIndex
});
}
this.$chart.appendData({
data: data.data.copyWithin(),
seriesIndex: data.seriesIndex
});
}
return this;
};
ol3Echarts.prototype.clear = function clear() {
this._incremental = [];
this.$chart.clear();
};
ol3Echarts.prototype.getMap = function getMap() {
return this.$Map;
};
ol3Echarts.prototype._isVisible = function _isVisible() {
return this.$container && this.$container.style.display === '';
};
ol3Echarts.prototype.show = function show() {
if (this.$container) {
this.$container.style.display = '';
}
};
ol3Echarts.prototype.hide = function hide() {
if (this.$container) {
this.$container.style.display = 'none';
}
};
ol3Echarts.prototype.remove = function remove() {
this.$chart.clear();
this.$chart.dispose();
this._unRegisterEvents();
this._incremental = [];
delete this.$chart;
delete this.$Map;
this.$container.parentNode.removeChild(this.$container);
};
ol3Echarts.prototype.showLoading = function showLoading() {
if (this.$chart) {
this.$chart.showLoading();
}
};
ol3Echarts.prototype.hideLoading = function hideLoading() {
if (this.$chart) {
this.$chart.hideLoading();
}
};
ol3Echarts.prototype._createLayerContainer = function _createLayerContainer(map$$1, options) {
var viewPort = map$$1.getViewport();
var container = this.$container = document.createElement('div');
container.style.position = 'absolute';
container.style.top = '0px';
container.style.left = '0px';
container.style.right = '0px';
container.style.bottom = '0px';
var _target = getTarget(options['target'], viewPort);
if (_target && _target[0] && _target[0] instanceof Element) {
_target[0].appendChild(container);
} else {
var _target2 = getTarget('.ol-overlaycontainer', viewPort);
if (_target2 && _target2[0] && _target2[0] instanceof Element) {
_target2[0].appendChild(container);
} else {
viewPort.appendChild(container);
}
}
};
ol3Echarts.prototype._resizeContainer = function _resizeContainer() {
var size = this.getMap().getSize();
this.$container.style.height = size[1] + 'px';
this.$container.style.width = size[0] + 'px';
};
ol3Echarts.prototype._clearAndRedraw = function _clearAndRedraw() {
if (!this.$chart || this.$container && this.$container.style.display === 'none') {
return;
}
this.dispatchEvent({
type: 'redraw',
source: this
});
if (this.$options.forcedRerender) {
this.$chart.clear();
}
this.$chart.resize();
if (this.$chartOptions) {
this._registerMap();
this.$chart.setOption(this.reConverData(this.$chartOptions), false);
if (this._incremental && this._incremental.length > 0) {
for (var i = 0; i < this._incremental.length; i++) {
this.appendData(this._incremental[i], false);
}
}
}
};
ol3Echarts.prototype.onResize = function onResize() {
this._resizeContainer();
this._clearAndRedraw();
this.dispatchEvent({
type: 'change:size',
source: this
});
};
ol3Echarts.prototype.onZoomEnd = function onZoomEnd() {
this.$options['hideOnZooming'] && this.show();
this._clearAndRedraw();
this.dispatchEvent({
type: 'zoomend',
source: this
});
};
ol3Echarts.prototype.onDragRotateEnd = function onDragRotateEnd() {
this.$options['hideOnRotating'] && this.show();
this._clearAndRedraw();
this.dispatchEvent({
type: 'change:rotation',
source: this
});
};
ol3Echarts.prototype.onMoveStart = function onMoveStart() {
this.$options['hideOnMoving'] && this.hide();
this.dispatchEvent({
type: 'movestart',
source: this
});
};
ol3Echarts.prototype.onMoveEnd = function onMoveEnd() {
this.$options['hideOnMoving'] && this.show();
this._clearAndRedraw();
this.dispatchEvent({
type: 'moveend',
source: this
});
};
ol3Echarts.prototype.onCenterChange = function onCenterChange(event) {
this._clearAndRedraw();
this.dispatchEvent({
type: 'change:center',
source: this
});
};
ol3Echarts.prototype._registerEvents = function _registerEvents() {
var Map = this.$Map;
var view = Map.getView();
if (this.$options.forcedPrecomposeRerender) {
Map.on('precompose', this.reRender, this);
}
Map.on('change:size', this.onResize, this);
view.on('change:resolution', this.onZoomEnd, this);
view.on('change:center', this.onCenterChange, this);
view.on('change:rotation', this.onDragRotateEnd, this);
Map.on('movestart', this.onMoveStart, this);
Map.on('moveend', this.onMoveEnd, this);
};
ol3Echarts.prototype._unRegisterEvents = function _unRegisterEvents() {
var Map = this.$Map;
var view = Map.getView();
Map.un('change:size', this.onResize, this);
if (this.$options.forcedPrecomposeRerender) {
Map.un('precompose', this.reRender, this);
}
view.un('change:resolution', this.onZoomEnd, this);
view.un('change:center', this.onCenterChange, this);
view.un('change:rotation', this.onDragRotateEnd, this);
Map.un('movestart', this.onMoveStart, this);
Map.un('moveend', this.onMoveEnd, this);
};
ol3Echarts.prototype._registerMap = function _registerMap() {
if (!this._isRegistered) {
echarts.registerCoordinateSystem('openlayers', _getCoordinateSystem(this.getMap(), this.$options));
this._isRegistered = true;
}
var series = this.$chartOptions.series;
if (series && isObject(series)) {
for (var i = series.length - 1; i >= 0; i--) {
if (!(this.$options.convertTypes.indexOf(series[i]['type']) > -1)) {
series[i]['coordinateSystem'] = 'openlayers';
}
series[i]['animation'] = false;
}
}
};
ol3Echarts.prototype.reConverData = function reConverData(options) {
var series = options['series'];
if (series && series.length > 0) {
if (!this._coordinateSystem) {
var _cs = _getCoordinateSystem(this.getMap(), this.$options);
this._coordinateSystem = new _cs();
}
if (series && isObject(series)) {
for (var i = series.length - 1; i >= 0; i--) {
if (this.$options.convertTypes.indexOf(series[i]['type']) > -1) {
if (series[i] && series[i].hasOwnProperty('coordinates')) {
series[i] = charts[series[i]['type']](options, series[i], this._coordinateSystem);
}
}
}
}
}
return options;
};
ol3Echarts.prototype.render = function render() {
if (!this.$container) {
this._createLayerContainer(this.$Map, this.$options);
this._resizeContainer();
}
if (!this.$chart) {
this.$chart = echarts.init(this.$container);
if (this.$chartOptions) {
this._registerMap();
this.$chart.setOption(this.reConverData(this.$chartOptions), false);
}
} else if (this._isVisible()) {
this.$chart.resize();
this.reRender();
}
};
ol3Echarts.prototype.reRender = function reRender() {
this._clearAndRedraw();
};
return ol3Echarts;
}(ol.Object);
ol3Echarts.getTarget = getTarget;
ol3Echarts.merge = merge;
ol3Echarts.map = map;
ol3Echarts.bind = bind;
ol3Echarts.formatGeoJSON = formatGeoJSON;
return ol3Echarts;
})));