
/*
* 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.
*/


!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("echarts")):"function"==typeof define&&define.amd?define(["exports","echarts"],e):e(t.bmap={},t.echarts)}(this,function(t,o){"use strict";function l(t,e){this._bmap=t,this.dimensions=["lng","lat"],this._mapOffset=[0,0],this._api=e,this._projection=new BMap.MercatorProjection}function n(a,r){return r=r||[0,0],o.util.map([0,1],function(t){var e=r[t],o=a[t]/2,n=[],i=[];return n[t]=e-o,i[t]=e+o,n[1-t]=i[1-t]=r[1-t],Math.abs(this.dataToPoint(n)[t]-this.dataToPoint(i)[t])},this)}var f;l.prototype.dimensions=["lng","lat"],l.prototype.setZoom=function(t){this._zoom=t},l.prototype.setCenter=function(t){this._center=this._projection.lngLatToPoint(new BMap.Point(t[0],t[1]))},l.prototype.setMapOffset=function(t){this._mapOffset=t},l.prototype.getBMap=function(){return this._bmap},l.prototype.dataToPoint=function(t){var e=new BMap.Point(t[0],t[1]),o=this._bmap.pointToOverlayPixel(e),n=this._mapOffset;return[o.x-n[0],o.y-n[1]]},l.prototype.pointToData=function(t){var e=this._mapOffset;return[(t=this._bmap.overlayPixelToPoint({x:t[0]+e[0],y:t[1]+e[1]})).lng,t.lat]},l.prototype.getViewRect=function(){var t=this._api;return new o.graphic.BoundingRect(0,0,t.getWidth(),t.getHeight())},l.prototype.getRoamTransform=function(){return o.matrix.create()},l.prototype.prepareCustoms=function(t){var e=this.getViewRect();return{coordSys:{type:"bmap",x:e.x,y:e.y,width:e.width,height:e.height},api:{coord:o.util.bind(this.dataToPoint,this),size:o.util.bind(n,this)}}},l.dimensions=l.prototype.dimensions,l.create=function(t,m){var c,d=m.getDom();t.eachComponent("bmap",function(t){var e=m.getZr().painter,o=e.getViewportRoot();if("undefined"==typeof BMap)throw new Error("BMap api is not loaded");if(f=f||function(){function t(t){this._root=t}return(t.prototype=new BMap.Overlay).initialize=function(t){return t.getPanes().labelPane.appendChild(this._root),this._root},t.prototype.draw=function(){},t}(),c)throw new Error("Only one bmap component can exist");if(!t.__bmap){var n=d.querySelector(".ec-extension-bmap");n&&(o.style.left="0px",o.style.top="0px",d.removeChild(n)),(n=document.createElement("div")).style.cssText="width:100%;height:100%",n.classList.add("ec-extension-bmap"),d.appendChild(n);var i=t.__bmap=new BMap.Map(n),a=new f(o);i.addOverlay(a),e.getViewportRootOffset=function(){return{offsetLeft:0,offsetTop:0}}}i=t.__bmap;var r=t.get("center"),p=t.get("zoom");if(r&&p){var s=new BMap.Point(r[0],r[1]);i.centerAndZoom(s,p)}(c=new l(i,m)).setMapOffset(t.__mapOffset||[0,0]),c.setZoom(p),c.setCenter(r),t.coordinateSystem=c}),t.eachSeries(function(t){"bmap"===t.get("coordinateSystem")&&(t.coordinateSystem=c)})},o.extendComponentModel({type:"bmap",getBMap:function(){return this.__bmap},setCenterAndZoom:function(t,e){this.option.center=t,this.option.zoom=e},centerOrZoomChanged:function(t,e){var o=this.option;return!(function(t,e){return t&&e&&t[0]===e[0]&&t[1]===e[1]}(t,o.center)&&e===o.zoom)},defaultOption:{center:[104.114129,37.550339],zoom:5,mapStyle:{},mapStyleV2:{},roam:!1}}),o.extendComponentView({type:"bmap",render:function(i,t,a){function e(t,e){if(!r){var o=p.parentNode.parentNode.parentNode,n=[-parseInt(o.style.left,10)||0,-parseInt(o.style.top,10)||0];p.style.left=n[0]+"px",p.style.top=n[1]+"px",s.setMapOffset(n),i.__mapOffset=n,a.dispatchAction({type:"bmapRoam"})}}var r=!0,o=i.getBMap(),p=a.getZr().painter.getViewportRoot(),s=i.coordinateSystem;function n(){r||a.dispatchAction({type:"bmapRoam"})}o.removeEventListener("moving",this._oldMoveHandler),o.removeEventListener("zoomend",this._oldZoomEndHandler),o.addEventListener("moving",e),o.addEventListener("zoomend",n),this._oldMoveHandler=e,this._oldZoomEndHandler=n;var m=i.get("roam");m&&"scale"!==m?o.enableDragging():o.disableDragging(),m&&"move"!==m?(o.enableScrollWheelZoom(),o.enableDoubleClickZoom(),o.enablePinchToZoom()):(o.disableScrollWheelZoom(),o.disableDoubleClickZoom(),o.disablePinchToZoom());var c=i.__mapStyle,d=i.get("mapStyle")||{},l=JSON.stringify(d);JSON.stringify(c)!==l&&(Object.keys(d).length&&o.setMapStyle(d),i.__mapStyle=JSON.parse(l));var f=i.__mapStyle2,h=i.get("mapStyleV2")||{},u=JSON.stringify(h);JSON.stringify(f)!==u&&(Object.keys(h).length&&o.setMapStyleV2(h),i.__mapStyle2=JSON.parse(u)),r=!1}}),o.registerCoordinateSystem("bmap",l),o.registerAction({type:"bmapRoam",event:"bmapRoam",update:"updateLayout"},function(t,e){e.eachComponent("bmap",function(t){var e=t.getBMap(),o=e.getCenter();t.setCenterAndZoom([o.lng,o.lat],e.getZoom())})});t.version="1.0.0"});