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