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770 lines
20 KiB
770 lines
20 KiB
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('echarts')) :
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typeof define === 'function' && define.amd ? define(['exports', 'echarts'], factory) :
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(factory((global.bmap = {}),global.echarts));
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}(this, (function (exports,echarts) { 'use strict';
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/* global BMap */
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function BMapCoordSys(bmap, api) {
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this._bmap = bmap;
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this.dimensions = ['lng', 'lat'];
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this._mapOffset = [0, 0];
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this._api = api;
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this._projection = new BMap.MercatorProjection();
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}
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BMapCoordSys.prototype.dimensions = ['lng', 'lat'];
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BMapCoordSys.prototype.setZoom = function (zoom) {
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this._zoom = zoom;
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};
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BMapCoordSys.prototype.setCenter = function (center) {
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this._center = this._projection.lngLatToPoint(new BMap.Point(center[0], center[1]));
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};
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BMapCoordSys.prototype.setMapOffset = function (mapOffset) {
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this._mapOffset = mapOffset;
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};
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BMapCoordSys.prototype.getBMap = function () {
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return this._bmap;
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};
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BMapCoordSys.prototype.dataToPoint = function (data) {
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var point = new BMap.Point(data[0], data[1]);
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// TODO mercator projection is toooooooo slow
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// var mercatorPoint = this._projection.lngLatToPoint(point);
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// var width = this._api.getZr().getWidth();
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// var height = this._api.getZr().getHeight();
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// var divider = Math.pow(2, 18 - 10);
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// return [
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// Math.round((mercatorPoint.x - this._center.x) / divider + width / 2),
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// Math.round((this._center.y - mercatorPoint.y) / divider + height / 2)
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// ];
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var px = this._bmap.pointToOverlayPixel(point);
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var mapOffset = this._mapOffset;
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return [px.x - mapOffset[0], px.y - mapOffset[1]];
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};
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BMapCoordSys.prototype.pointToData = function (pt) {
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var mapOffset = this._mapOffset;
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var pt = this._bmap.overlayPixelToPoint({
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x: pt[0] + mapOffset[0],
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y: pt[1] + mapOffset[1]
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});
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return [pt.lng, pt.lat];
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};
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BMapCoordSys.prototype.getViewRect = function () {
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var api = this._api;
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return new echarts.graphic.BoundingRect(0, 0, api.getWidth(), api.getHeight());
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};
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BMapCoordSys.prototype.getRoamTransform = function () {
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return echarts.matrix.create();
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};
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BMapCoordSys.prototype.prepareCustoms = function (data) {
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var rect = this.getViewRect();
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return {
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coordSys: {
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// The name exposed to user is always 'cartesian2d' but not 'grid'.
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type: 'bmap',
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x: rect.x,
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y: rect.y,
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width: rect.width,
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height: rect.height
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},
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api: {
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coord: echarts.util.bind(this.dataToPoint, this),
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size: echarts.util.bind(dataToCoordSize, this)
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}
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};
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};
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function dataToCoordSize(dataSize, dataItem) {
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dataItem = dataItem || [0, 0];
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return echarts.util.map([0, 1], function (dimIdx) {
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var val = dataItem[dimIdx];
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var halfSize = dataSize[dimIdx] / 2;
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var p1 = [];
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var p2 = [];
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p1[dimIdx] = val - halfSize;
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p2[dimIdx] = val + halfSize;
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p1[1 - dimIdx] = p2[1 - dimIdx] = dataItem[1 - dimIdx];
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return Math.abs(this.dataToPoint(p1)[dimIdx] - this.dataToPoint(p2)[dimIdx]);
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}, this);
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}
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var Overlay;
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// For deciding which dimensions to use when creating list data
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BMapCoordSys.dimensions = BMapCoordSys.prototype.dimensions;
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function createOverlayCtor() {
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function Overlay(root) {
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this._root = root;
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}
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Overlay.prototype = new BMap.Overlay();
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/**
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* 初始化
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*
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* @param {BMap.Map} map
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* @override
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*/
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Overlay.prototype.initialize = function (map) {
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map.getPanes().labelPane.appendChild(this._root);
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return this._root;
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};
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/**
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* @override
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*/
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Overlay.prototype.draw = function () {};
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return Overlay;
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}
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BMapCoordSys.create = function (ecModel, api) {
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var bmapCoordSys;
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var root = api.getDom();
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// TODO Dispose
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ecModel.eachComponent('bmap', function (bmapModel) {
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var painter = api.getZr().painter;
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var viewportRoot = painter.getViewportRoot();
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if (typeof BMap === 'undefined') {
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throw new Error('BMap api is not loaded');
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}
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Overlay = Overlay || createOverlayCtor();
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if (bmapCoordSys) {
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throw new Error('Only one bmap component can exist');
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}
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if (!bmapModel.__bmap) {
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// Not support IE8
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var bmapRoot = root.querySelector('.ec-extension-bmap');
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if (bmapRoot) {
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// Reset viewport left and top, which will be changed
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// in moving handler in BMapView
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viewportRoot.style.left = '0px';
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viewportRoot.style.top = '0px';
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root.removeChild(bmapRoot);
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}
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bmapRoot = document.createElement('div');
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bmapRoot.style.cssText = 'width:100%;height:100%';
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// Not support IE8
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bmapRoot.classList.add('ec-extension-bmap');
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root.appendChild(bmapRoot);
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var bmap = bmapModel.__bmap = new BMap.Map(bmapRoot);
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var overlay = new Overlay(viewportRoot);
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bmap.addOverlay(overlay);
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// Override
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painter.getViewportRootOffset = function () {
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return {offsetLeft: 0, offsetTop: 0};
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};
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}
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var bmap = bmapModel.__bmap;
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// Set bmap options
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// centerAndZoom before layout and render
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var center = bmapModel.get('center');
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var zoom = bmapModel.get('zoom');
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if (center && zoom) {
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var pt = new BMap.Point(center[0], center[1]);
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bmap.centerAndZoom(pt, zoom);
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}
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bmapCoordSys = new BMapCoordSys(bmap, api);
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bmapCoordSys.setMapOffset(bmapModel.__mapOffset || [0, 0]);
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bmapCoordSys.setZoom(zoom);
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bmapCoordSys.setCenter(center);
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bmapModel.coordinateSystem = bmapCoordSys;
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});
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ecModel.eachSeries(function (seriesModel) {
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if (seriesModel.get('coordinateSystem') === 'bmap') {
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seriesModel.coordinateSystem = bmapCoordSys;
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}
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});
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};
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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function v2Equal(a, b) {
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return a && b && a[0] === b[0] && a[1] === b[1];
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}
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echarts.extendComponentModel({
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type: 'bmap',
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getBMap: function () {
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// __bmap is injected when creating BMapCoordSys
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return this.__bmap;
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},
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setCenterAndZoom: function (center, zoom) {
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this.option.center = center;
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this.option.zoom = zoom;
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},
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centerOrZoomChanged: function (center, zoom) {
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var option = this.option;
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return !(v2Equal(center, option.center) && zoom === option.zoom);
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},
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defaultOption: {
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center: [104.114129, 37.550339],
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zoom: 5,
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mapStyle: {},
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mapStyleV2: {},
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roam: false
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}
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});
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/**
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* @module zrender/core/util
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*/
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// 用于处理merge时无法遍历Date等对象的问题
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var BUILTIN_OBJECT = {
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'[object Function]': 1,
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'[object RegExp]': 1,
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'[object Date]': 1,
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'[object Error]': 1,
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'[object CanvasGradient]': 1,
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'[object CanvasPattern]': 1,
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// For node-canvas
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'[object Image]': 1,
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'[object Canvas]': 1
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};
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var TYPED_ARRAY = {
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'[object Int8Array]': 1,
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'[object Uint8Array]': 1,
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'[object Uint8ClampedArray]': 1,
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'[object Int16Array]': 1,
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'[object Uint16Array]': 1,
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'[object Int32Array]': 1,
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'[object Uint32Array]': 1,
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'[object Float32Array]': 1,
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'[object Float64Array]': 1
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};
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var objToString = Object.prototype.toString;
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/**
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* Those data types can be cloned:
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* Plain object, Array, TypedArray, number, string, null, undefined.
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* Those data types will be assgined using the orginal data:
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* BUILTIN_OBJECT
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* Instance of user defined class will be cloned to a plain object, without
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* properties in prototype.
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* Other data types is not supported (not sure what will happen).
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*
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* Caution: do not support clone Date, for performance consideration.
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* (There might be a large number of date in `series.data`).
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* So date should not be modified in and out of echarts.
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*
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* @param {*} source
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* @return {*} new
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*/
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function clone(source) {
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if (source == null || typeof source !== 'object') {
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return source;
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}
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var result = source;
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var typeStr = objToString.call(source);
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if (typeStr === '[object Array]') {
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if (!isPrimitive(source)) {
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result = [];
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for (var i = 0, len = source.length; i < len; i++) {
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result[i] = clone(source[i]);
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}
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}
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}
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else if (TYPED_ARRAY[typeStr]) {
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if (!isPrimitive(source)) {
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var Ctor = source.constructor;
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if (source.constructor.from) {
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result = Ctor.from(source);
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}
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else {
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result = new Ctor(source.length);
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for (var i = 0, len = source.length; i < len; i++) {
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result[i] = clone(source[i]);
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}
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}
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}
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}
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else if (!BUILTIN_OBJECT[typeStr] && !isPrimitive(source) && !isDom(source)) {
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result = {};
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for (var key in source) {
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if (source.hasOwnProperty(key)) {
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result[key] = clone(source[key]);
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}
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}
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}
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return result;
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}
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/**
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* @memberOf module:zrender/core/util
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* @param {*} target
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* @param {*} source
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* @param {boolean} [overwrite=false]
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*/
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/**
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* @param {Array} targetAndSources The first item is target, and the rests are source.
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* @param {boolean} [overwrite=false]
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* @return {*} target
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*/
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/**
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* @param {*} target
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* @param {*} source
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* @memberOf module:zrender/core/util
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*/
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/**
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* @param {*} target
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* @param {*} source
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* @param {boolean} [overlay=false]
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* @memberOf module:zrender/core/util
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*/
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/**
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* 查询数组中元素的index
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* @memberOf module:zrender/core/util
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*/
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/**
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* 构造类继承关系
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*
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* @memberOf module:zrender/core/util
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* @param {Function} clazz 源类
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* @param {Function} baseClazz 基类
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {Object|Function} target
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* @param {Object|Function} sorce
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* @param {boolean} overlay
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*/
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/**
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* Consider typed array.
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* @param {Array|TypedArray} data
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*/
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/**
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* 数组或对象遍历
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* @memberOf module:zrender/core/util
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* @param {Object|Array} obj
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* @param {Function} cb
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* @param {*} [context]
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*/
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/**
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* 数组映射
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* @memberOf module:zrender/core/util
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* @param {Array} obj
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* @param {Function} cb
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* @param {*} [context]
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* @return {Array}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {Array} obj
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* @param {Function} cb
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* @param {Object} [memo]
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* @param {*} [context]
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* @return {Array}
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*/
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/**
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* 数组过滤
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* @memberOf module:zrender/core/util
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* @param {Array} obj
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* @param {Function} cb
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* @param {*} [context]
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* @return {Array}
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*/
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/**
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* 数组项查找
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* @memberOf module:zrender/core/util
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* @param {Array} obj
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* @param {Function} cb
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* @param {*} [context]
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* @return {*}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {Function} func
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* @param {*} context
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* @return {Function}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {Function} func
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* @return {Function}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {*} value
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* @return {boolean}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {*} value
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* @return {boolean}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {*} value
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* @return {boolean}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {*} value
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* @return {boolean}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {*} value
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* @return {boolean}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {*} value
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* @return {boolean}
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {*} value
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* @return {boolean}
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*/
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function isDom(value) {
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return typeof value === 'object'
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&& typeof value.nodeType === 'number'
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&& typeof value.ownerDocument === 'object';
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}
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/**
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* Whether is exactly NaN. Notice isNaN('a') returns true.
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* @param {*} value
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* @return {boolean}
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*/
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/**
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* If value1 is not null, then return value1, otherwise judget rest of values.
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* Low performance.
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* @memberOf module:zrender/core/util
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* @return {*} Final value
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*/
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/**
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* @memberOf module:zrender/core/util
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* @param {Array} arr
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* @param {number} startIndex
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* @param {number} endIndex
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* @return {Array}
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*/
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/**
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* Normalize css liked array configuration
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* e.g.
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* 3 => [3, 3, 3, 3]
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* [4, 2] => [4, 2, 4, 2]
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* [4, 3, 2] => [4, 3, 2, 3]
|
|
* @param {number|Array.<number>} val
|
|
* @return {Array.<number>}
|
|
*/
|
|
|
|
|
|
/**
|
|
* @memberOf module:zrender/core/util
|
|
* @param {boolean} condition
|
|
* @param {string} message
|
|
*/
|
|
|
|
|
|
/**
|
|
* @memberOf module:zrender/core/util
|
|
* @param {string} str string to be trimed
|
|
* @return {string} trimed string
|
|
*/
|
|
|
|
|
|
var primitiveKey = '__ec_primitive__';
|
|
/**
|
|
* Set an object as primitive to be ignored traversing children in clone or merge
|
|
*/
|
|
|
|
|
|
function isPrimitive(obj) {
|
|
return obj[primitiveKey];
|
|
}
|
|
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
echarts.extendComponentView({
|
|
type: 'bmap',
|
|
|
|
render: function (bMapModel, ecModel, api) {
|
|
var rendering = true;
|
|
|
|
var bmap = bMapModel.getBMap();
|
|
var viewportRoot = api.getZr().painter.getViewportRoot();
|
|
var coordSys = bMapModel.coordinateSystem;
|
|
var moveHandler = function (type, target) {
|
|
if (rendering) {
|
|
return;
|
|
}
|
|
var offsetEl = viewportRoot.parentNode.parentNode.parentNode;
|
|
var mapOffset = [
|
|
-parseInt(offsetEl.style.left, 10) || 0,
|
|
-parseInt(offsetEl.style.top, 10) || 0
|
|
];
|
|
viewportRoot.style.left = mapOffset[0] + 'px';
|
|
viewportRoot.style.top = mapOffset[1] + 'px';
|
|
|
|
coordSys.setMapOffset(mapOffset);
|
|
bMapModel.__mapOffset = mapOffset;
|
|
|
|
api.dispatchAction({
|
|
type: 'bmapRoam'
|
|
});
|
|
};
|
|
|
|
function zoomEndHandler() {
|
|
if (rendering) {
|
|
return;
|
|
}
|
|
api.dispatchAction({
|
|
type: 'bmapRoam'
|
|
});
|
|
}
|
|
|
|
bmap.removeEventListener('moving', this._oldMoveHandler);
|
|
// FIXME
|
|
// Moveend may be triggered by centerAndZoom method when creating coordSys next time
|
|
// bmap.removeEventListener('moveend', this._oldMoveHandler);
|
|
bmap.removeEventListener('zoomend', this._oldZoomEndHandler);
|
|
bmap.addEventListener('moving', moveHandler);
|
|
// bmap.addEventListener('moveend', moveHandler);
|
|
bmap.addEventListener('zoomend', zoomEndHandler);
|
|
|
|
this._oldMoveHandler = moveHandler;
|
|
this._oldZoomEndHandler = zoomEndHandler;
|
|
|
|
var roam = bMapModel.get('roam');
|
|
if (roam && roam !== 'scale') {
|
|
bmap.enableDragging();
|
|
}
|
|
else {
|
|
bmap.disableDragging();
|
|
}
|
|
if (roam && roam !== 'move') {
|
|
bmap.enableScrollWheelZoom();
|
|
bmap.enableDoubleClickZoom();
|
|
bmap.enablePinchToZoom();
|
|
}
|
|
else {
|
|
bmap.disableScrollWheelZoom();
|
|
bmap.disableDoubleClickZoom();
|
|
bmap.disablePinchToZoom();
|
|
}
|
|
|
|
/* map 2.0 */
|
|
var originalStyle = bMapModel.__mapStyle;
|
|
|
|
var newMapStyle = bMapModel.get('mapStyle') || {};
|
|
// FIXME, Not use JSON methods
|
|
var mapStyleStr = JSON.stringify(newMapStyle);
|
|
if (JSON.stringify(originalStyle) !== mapStyleStr) {
|
|
// FIXME May have blank tile when dragging if setMapStyle
|
|
if (Object.keys(newMapStyle).length) {
|
|
bmap.setMapStyle(clone(newMapStyle));
|
|
}
|
|
bMapModel.__mapStyle = JSON.parse(mapStyleStr);
|
|
}
|
|
|
|
/* map 3.0 */
|
|
var originalStyle2 = bMapModel.__mapStyle2;
|
|
|
|
var newMapStyle2 = bMapModel.get('mapStyleV2') || {};
|
|
// FIXME, Not use JSON methods
|
|
var mapStyleStr2 = JSON.stringify(newMapStyle2);
|
|
if (JSON.stringify(originalStyle2) !== mapStyleStr2) {
|
|
// FIXME May have blank tile when dragging if setMapStyle
|
|
if (Object.keys(newMapStyle2).length) {
|
|
bmap.setMapStyleV2(clone(newMapStyle2));
|
|
}
|
|
bMapModel.__mapStyle2 = JSON.parse(mapStyleStr2);
|
|
}
|
|
|
|
rendering = false;
|
|
}
|
|
});
|
|
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
/**
|
|
* BMap component extension
|
|
*/
|
|
|
|
echarts.registerCoordinateSystem('bmap', BMapCoordSys);
|
|
|
|
// Action
|
|
echarts.registerAction({
|
|
type: 'bmapRoam',
|
|
event: 'bmapRoam',
|
|
update: 'updateLayout'
|
|
}, function (payload, ecModel) {
|
|
ecModel.eachComponent('bmap', function (bMapModel) {
|
|
var bmap = bMapModel.getBMap();
|
|
var center = bmap.getCenter();
|
|
bMapModel.setCenterAndZoom([center.lng, center.lat], bmap.getZoom());
|
|
});
|
|
});
|
|
|
|
var version = '1.0.0';
|
|
|
|
exports.version = version;
|
|
|
|
})));
|
|
//# sourceMappingURL=bmap.js.map
|