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{\r\n return this._bmap;\r\n };\r\n BMapCoordSys.prototype.dataToPoint = function (data) {\r\n var point = new BMap.Point(data[0], data[1]);\r\n var px = this._bmap.pointToOverlayPixel(point);\r\n var mapOffset = this._mapOffset;\r\n return [px.x - mapOffset[0], px.y - mapOffset[1]];\r\n };\r\n BMapCoordSys.prototype.pointToData = function (pt) {\r\n var mapOffset = this._mapOffset;\r\n pt = this._bmap.overlayPixelToPoint({\r\n x: pt[0] + mapOffset[0],\r\n y: pt[1] + mapOffset[1]\r\n });\r\n return [pt.lng, pt.lat];\r\n };\r\n BMapCoordSys.prototype.getViewRect = function () {\r\n var api = this._api;\r\n return new echarts.graphic.BoundingRect(0, 0, api.getWidth(), api.getHeight());\r\n };\r\n BMapCoordSys.prototype.getRoamTransform = function () {\r\n return echarts.matrix.create();\r\n };\r\n BMapCoordSys.prototype.prepareCustoms = function () {\r\n var rect = this.getViewRect();\r\n return {\r\n coordSys: {\r\n type: 'bmap',\r\n x: rect.x,\r\n y: rect.y,\r\n width: rect.width,\r\n height: rect.height\r\n },\r\n api: {\r\n coord: echarts.util.bind(this.dataToPoint, this),\r\n size: echarts.util.bind(dataToCoordSize, this)\r\n }\r\n };\r\n };\r\n function dataToCoordSize(dataSize, dataItem) {\r\n dataItem = dataItem || [0, 0];\r\n return echarts.util.map([0, 1], function (dimIdx) {\r\n var val = dataItem[dimIdx];\r\n var halfSize = dataSize[dimIdx] / 2;\r\n var p1 = [];\r\n var p2 = [];\r\n p1[dimIdx] = val - halfSize;\r\n p2[dimIdx] = val + halfSize;\r\n p1[1 - dimIdx] = p2[1 - dimIdx] = dataItem[1 - dimIdx];\r\n return Math.abs(this.dataToPoint(p1)[dimIdx] - this.dataToPoint(p2)[dimIdx]);\r\n }, this);\r\n }\r\n var Overlay;\r\n BMapCoordSys.dimensions = BMapCoordSys.prototype.dimensions;\r\n function createOverlayCtor() {\r\n function Overlay(root) {\r\n this._root = root;\r\n }\r\n Overlay.prototype = new BMap.Overlay();\r\n Overlay.prototype.initialize = function (map) {\r\n map.getPanes().labelPane.appendChild(this._root);\r\n return this._root;\r\n };\r\n Overlay.prototype.draw = function () { };\r\n return Overlay;\r\n }\r\n BMapCoordSys.create = function (ecModel, api) {\r\n var bmapCoordSys;\r\n var root = api.getDom();\r\n ecModel.eachComponent('bmap', function (bmapModel) {\r\n var painter = api.getZr().painter;\r\n var viewportRoot = painter.getViewportRoot();\r\n if (typeof BMap === 'undefined') {\r\n throw new Error('BMap api is not loaded');\r\n }\r\n Overlay = Overlay || createOverlayCtor();\r\n if (bmapCoordSys) {\r\n throw new Error('Only one bmap component can exist');\r\n }\r\n var bmap;\r\n if (!bmapModel.__bmap) {\r\n var bmapRoot = root.querySelector('.ec-extension-bmap');\r\n if (bmapRoot) {\r\n viewportRoot.style.left = '0px';\r\n viewportRoot.style.top = '0px';\r\n root.removeChild(bmapRoot);\r\n }\r\n bmapRoot = document.createElement('div');\r\n bmapRoot.className = 'ec-extension-bmap';\r\n bmapRoot.style.cssText = 'position:absolute;width:100%;height:100%';\r\n root.appendChild(bmapRoot);\r\n var mapOptions = bmapModel.get('mapOptions');\r\n if (mapOptions) {\r\n mapOptions = echarts.util.clone(mapOptions);\r\n delete mapOptions.mapType;\r\n }\r\n bmap = bmapModel.__bmap = new BMap.Map(bmapRoot, mapOptions);\r\n var overlay = new Overlay(viewportRoot);\r\n bmap.addOverlay(overlay);\r\n painter.getViewportRootOffset = function () {\r\n return { offsetLeft: 0, offsetTop: 0 };\r\n };\r\n }\r\n bmap = bmapModel.__bmap;\r\n var center = bmapModel.get('center');\r\n var zoom = bmapModel.get('zoom');\r\n if (center && zoom) {\r\n var bmapCenter = bmap.getCenter();\r\n var bmapZoom = bmap.getZoom();\r\n var centerOrZoomChanged = bmapModel.centerOrZoomChanged([bmapCenter.lng, bmapCenter.lat], bmapZoom);\r\n if (centerOrZoomChanged) {\r\n var pt = new BMap.Point(center[0], center[1]);\r\n bmap.centerAndZoom(pt, zoom);\r\n }\r\n }\r\n bmapCoordSys = new BMapCoordSys(bmap, api);\r\n bmapCoordSys.setMapOffset(bmapModel.__mapOffset || [0, 0]);\r\n bmapCoordSys.setZoom(zoom);\r\n bmapCoordSys.setCenter(center);\r\n bmapModel.coordinateSystem = bmapCoordSys;\r\n });\r\n ecModel.eachSeries(function (seriesModel) {\r\n if (seriesModel.get('coordinateSystem') === 'bmap') {\r\n seriesModel.coordinateSystem = bmapCoordSys;\r\n }\r\n });\r\n };\n\n function v2Equal(a, b) {\r\n return a && b && a[0] === b[0] && a[1] === b[1];\r\n }\r\n echarts.extendComponentModel({\r\n type: 'bmap',\r\n getBMap: function () {\r\n return this.__bmap;\r\n },\r\n setCenterAndZoom: function (center, zoom) {\r\n this.option.center = center;\r\n this.option.zoom = zoom;\r\n },\r\n centerOrZoomChanged: function (center, zoom) {\r\n var option = this.option;\r\n return !(v2Equal(center, option.center) && zoom === option.zoom);\r\n },\r\n defaultOption: {\r\n center: [104.114129, 37.550339],\r\n zoom: 5,\r\n mapStyle: {},\r\n mapStyleV2: {},\r\n mapOptions: {},\r\n roam: false\r\n }\r\n });\n\n function isEmptyObject(obj) {\r\n for (var key in obj) {\r\n if (obj.hasOwnProperty(key)) {\r\n return false;\r\n }\r\n }\r\n return true;\r\n }\r\n echarts.extendComponentView({\r\n type: 'bmap',\r\n render: function (bMapModel, ecModel, api) {\r\n var rendering = true;\r\n var bmap = bMapModel.getBMap();\r\n var viewportRoot = api.getZr().painter.getViewportRoot();\r\n var coordSys = bMapModel.coordinateSystem;\r\n var moveHandler = function (type, target) {\r\n if (rendering) {\r\n return;\r\n }\r\n var offsetEl = viewportRoot.parentNode.parentNode.parentNode;\r\n var mapOffset = [\r\n -parseInt(offsetEl.style.left, 10) || 0,\r\n -parseInt(offsetEl.style.top, 10) || 0\r\n ];\r\n var viewportRootStyle = viewportRoot.style;\r\n var offsetLeft = mapOffset[0] + 'px';\r\n var offsetTop = mapOffset[1] + 'px';\r\n if (viewportRootStyle.left !== offsetLeft) {\r\n viewportRootStyle.left = offsetLeft;\r\n }\r\n if (viewportRootStyle.top !== offsetTop) {\r\n viewportRootStyle.top = offsetTop;\r\n }\r\n coordSys.setMapOffset(mapOffset);\r\n bMapModel.__mapOffset = mapOffset;\r\n api.dispatchAction({\r\n type: 'bmapRoam',\r\n animation: {\r\n duration: 0\r\n }\r\n });\r\n };\r\n function zoomEndHandler() {\r\n if (rendering) {\r\n return;\r\n }\r\n api.dispatchAction({\r\n type: 'bmapRoam',\r\n animation: {\r\n duration: 0\r\n }\r\n });\r\n }\r\n bmap.removeEventListener('moving', this._oldMoveHandler);\r\n bmap.removeEventListener('moveend', this._oldMoveHandler);\r\n bmap.removeEventListener('zoomend', this._oldZoomEndHandler);\r\n bmap.addEventListener('moving', moveHandler);\r\n bmap.addEventListener('moveend', moveHandler);\r\n bmap.addEventListener('zoomend', zoomEndHandler);\r\n this._oldMoveHandler = moveHandler;\r\n this._oldZoomEndHandler = zoomEndHandler;\r\n var roam = bMapModel.get('roam');\r\n if (roam && roam !== 'scale') {\r\n bmap.enableDragging();\r\n }\r\n else {\r\n bmap.disableDragging();\r\n }\r\n if (roam && roam !== 'move') {\r\n bmap.enableScrollWheelZoom();\r\n bmap.enableDoubleClickZoom();\r\n bmap.enablePinchToZoom();\r\n }\r\n else {\r\n bmap.disableScrollWheelZoom();\r\n bmap.disableDoubleClickZoom();\r\n bmap.disablePinchToZoom();\r\n }\r\n var originalStyle = bMapModel.__mapStyle;\r\n var newMapStyle = bMapModel.get('mapStyle') || {};\r\n var mapStyleStr = JSON.stringify(newMapStyle);\r\n if (JSON.stringify(originalStyle) !== mapStyleStr) {\r\n if (!isEmptyObject(newMapStyle)) {\r\n bmap.setMapStyle(echarts.util.clone(newMapStyle));\r\n }\r\n bMapModel.__mapStyle = JSON.parse(mapStyleStr);\r\n }\r\n var originalStyle2 = bMapModel.__mapStyle2;\r\n var newMapStyle2 = bMapModel.get('mapStyleV2') || {};\r\n var mapStyleStr2 = JSON.stringify(newMapStyle2);\r\n if (JSON.stringify(originalStyle2) !== mapStyleStr2) {\r\n if (!isEmptyObject(newMapStyle2)) {\r\n bmap.setMapStyleV2(echarts.util.clone(newMapStyle2));\r\n }\r\n bMapModel.__mapStyle2 = JSON.parse(mapStyleStr2);\r\n }\r\n rendering = false;\r\n }\r\n });\n\n echarts.registerCoordinateSystem('bmap', BMapCoordSys);\r\n echarts.registerAction({\r\n type: 'bmapRoam',\r\n event: 'bmapRoam',\r\n update: 'updateLayout'\r\n }, function (payload, ecModel) {\r\n ecModel.eachComponent('bmap', function (bMapModel) {\r\n var bmap = bMapModel.getBMap();\r\n var center = bmap.getCenter();\r\n bMapModel.setCenterAndZoom([center.lng, center.lat], bmap.getZoom());\r\n });\r\n });\r\n var version = '1.0.0';\n\n exports.version = version;\n\n Object.defineProperty(exports, '__esModule', { value: true });\n\n})));\n\n"]} |