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/*
* 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 (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('echarts')) :
typeof define === 'function' && define.amd ? define(['exports', 'echarts'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.bmap = {}, global.echarts));
}(this, (function (exports, echarts) { 'use strict';
function v2Equal(a, b) {
return a && b && a[0] === b[0] && a[1] === b[1];
}
var COMPONENT_MAIN_TYPE_BMAP = 'bmap';
var proto = {
type: COMPONENT_MAIN_TYPE_BMAP,
__bmap: undefined,
__mapOffset: undefined,
__mapStyle: undefined,
__mapStyle2: undefined,
coordinateSystem: undefined,
getBMap: function () {
// __bmap is injected when creating BMapCoordSys
return this.__bmap;
},
setCenterAndZoom: function (center, zoom) {
this.option.center = center;
this.option.zoom = zoom;
},
centerOrZoomChanged: function (center, zoom) {
var option = this.option;
return !(v2Equal(center, option.center) && zoom === option.zoom);
},
defaultOption: {
center: [104.114129, 37.550339],
zoom: 5,
// 2.0 https://lbsyun.baidu.com/custom/index.htm
mapStyle: {},
// 3.0 https://lbsyun.baidu.com/index.php?title=open/custom
mapStyleV2: {},
// See https://lbsyun.baidu.com/cms/jsapi/reference/jsapi_reference.html#a0b1
mapOptions: {},
roam: false
}
};
echarts.extendComponentModel(proto);
var COORD_SYS_BMAP = COMPONENT_MAIN_TYPE_BMAP;
function makeDimensions() {
return ['lng', 'lat'];
}
var BMapCoordSys = /** @class */function () {
function BMapCoordSys(bmap, api) {
this.dimensions = makeDimensions();
this.type = COORD_SYS_BMAP;
this._mapOffset = [0, 0];
this._projection = new BMap.MercatorProjection();
this._bmap = bmap;
this._api = api;
}
BMapCoordSys.prototype.setZoom = function (zoom) {
this._zoom = zoom;
};
BMapCoordSys.prototype.setCenter = function (center) {
this._center = this._projection.lngLatToPoint(new BMap.Point(center[0], center[1]));
};
BMapCoordSys.prototype.setMapOffset = function (mapOffset) {
this._mapOffset = mapOffset;
};
BMapCoordSys.prototype.getBMap = function () {
return this._bmap;
};
BMapCoordSys.prototype.dataToPoint = function (data) {
var point = new BMap.Point(data[0], data[1]);
// TODO mercator projection is toooooooo slow
// let mercatorPoint = this._projection.lngLatToPoint(point);
// let width = this._api.getZr().getWidth();
// let height = this._api.getZr().getHeight();
// let divider = Math.pow(2, 18 - 10);
// return [
// Math.round((mercatorPoint.x - this._center.x) / divider + width / 2),
// Math.round((this._center.y - mercatorPoint.y) / divider + height / 2)
// ];
var px = this._bmap.pointToOverlayPixel(point);
var mapOffset = this._mapOffset;
return [px.x - mapOffset[0], px.y - mapOffset[1]];
};
BMapCoordSys.prototype.pointToData = function (point) {
var mapOffset = this._mapOffset;
var pt = this._bmap.overlayPixelToPoint({
x: point[0] + mapOffset[0],
y: point[1] + mapOffset[1]
});
return [pt.lng, pt.lat];
};
BMapCoordSys.prototype.containPoint = function (point) {
// Currently, bmap takes the entire canvas.
return true;
};
BMapCoordSys.prototype.getViewRect = function () {
var api = this._api;
return new echarts.graphic.BoundingRect(0, 0, api.getWidth(), api.getHeight());
};
BMapCoordSys.prototype.getRoamTransform = function () {
return echarts.matrix.create();
};
BMapCoordSys.prototype.prepareCustoms = function () {
var rect = this.getViewRect();
return {
coordSys: {
// The name exposed to user is always 'cartesian2d' but not 'grid'.
type: COORD_SYS_BMAP,
x: rect.x,
y: rect.y,
width: rect.width,
height: rect.height
},
api: {
coord: echarts.util.bind(this.dataToPoint, this),
size: echarts.util.bind(dataToCoordSize, this)
}
};
};
BMapCoordSys.prototype.convertToPixel = function (ecModel, finder, value) {
// here we ignore finder as only one bmap component is allowed
return this.dataToPoint(value);
};
BMapCoordSys.prototype.convertFromPixel = function (ecModel, finder, value) {
return this.pointToData(value);
};
// For deciding which dimensions to use when creating list data
BMapCoordSys.dimensions = makeDimensions();
return BMapCoordSys;
}();
BMapCoordSys.prototype.dimensions = makeDimensions(); // For backward compatibility.
function dataToCoordSize(dataSize, dataItem) {
dataItem = dataItem || [0, 0];
return echarts.util.map([0, 1], function (dimIdx) {
var val = dataItem[dimIdx];
var halfSize = dataSize[dimIdx] / 2;
var p1 = [];
var 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);
}
var Overlay;
function createOverlayCtor() {
function Overlay(root) {
this._root = root;
}
Overlay.prototype = new BMap.Overlay();
/**
* @override
*/
Overlay.prototype.initialize = function (map) {
map.getPanes().labelPane.appendChild(this._root);
return this._root;
};
/**
* @override
*/
Overlay.prototype.draw = function () {};
return Overlay;
}
BMapCoordSys.create = function (ecModel, api) {
var bmapCoordSys;
var root = api.getDom();
// TODO Dispose
ecModel.eachComponent(COMPONENT_MAIN_TYPE_BMAP, function (bmapModel) {
var painter = api.getZr().painter;
var viewportRoot = painter.getViewportRoot();
if (typeof BMap === 'undefined') {
throw new Error('BMap api is not loaded');
}
Overlay = Overlay || createOverlayCtor();
if (bmapCoordSys) {
throw new Error('Only one bmap component can exist');
}
var bmap;
if (!bmapModel.__bmap) {
// Not support IE8
var bmapRoot = root.querySelector('.ec-extension-bmap');
if (bmapRoot) {
// Reset viewport left and top, which will be changed
// in moving handler in BMapView
viewportRoot.style.left = '0px';
viewportRoot.style.top = '0px';
root.removeChild(bmapRoot);
}
bmapRoot = document.createElement('div');
bmapRoot.className = 'ec-extension-bmap';
// fix #13424
bmapRoot.style.cssText = 'position:absolute;width:100%;height:100%';
root.appendChild(bmapRoot);
// initializes bmap
var mapOptions = bmapModel.get('mapOptions');
if (mapOptions) {
mapOptions = echarts.util.clone(mapOptions);
// Not support `mapType`, use `bmap.setMapType(MapType)` instead.
delete mapOptions.mapType;
}
bmap = bmapModel.__bmap = new BMap.Map(bmapRoot, mapOptions);
var overlay = new Overlay(viewportRoot);
bmap.addOverlay(overlay);
// Override
painter.getViewportRootOffset = function () {
return {
offsetLeft: 0,
offsetTop: 0
};
};
}
bmap = bmapModel.__bmap;
// Set bmap options
// centerAndZoom before layout and render
var center = bmapModel.get('center');
var zoom = bmapModel.get('zoom');
if (center && zoom) {
var bmapCenter = bmap.getCenter();
var bmapZoom = bmap.getZoom();
var centerOrZoomChanged = bmapModel.centerOrZoomChanged([bmapCenter.lng, bmapCenter.lat], bmapZoom);
if (centerOrZoomChanged) {
var pt = new BMap.Point(center[0], center[1]);
bmap.centerAndZoom(pt, zoom);
}
}
bmapCoordSys = new BMapCoordSys(bmap, api);
bmapCoordSys.setMapOffset(bmapModel.__mapOffset || [0, 0]);
bmapCoordSys.setZoom(zoom);
bmapCoordSys.setCenter(center);
bmapModel.coordinateSystem = bmapCoordSys;
});
ecModel.eachSeries(function (seriesModel) {
if (seriesModel.get('coordinateSystem') === COORD_SYS_BMAP) {
seriesModel.coordinateSystem = bmapCoordSys;
}
});
// return created coordinate systems
return bmapCoordSys && [bmapCoordSys];
};
echarts.registerCoordinateSystem('bmap', BMapCoordSys);
function isEmptyObject(obj) {
for (var key in obj) {
if (obj.hasOwnProperty(key)) {
return false;
}
}
return true;
}
var proto$1 = {
type: COMPONENT_MAIN_TYPE_BMAP,
_oldMoveHandler: undefined,
_oldZoomEndHandler: undefined,
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 () {
if (rendering) {
return;
}
var offsetEl = viewportRoot.parentNode.parentNode.parentNode;
var mapOffset = [-parseInt(offsetEl.style.left, 10) || 0, -parseInt(offsetEl.style.top, 10) || 0];
// only update style when map offset changed
var viewportRootStyle = viewportRoot.style;
var offsetLeft = mapOffset[0] + 'px';
var offsetTop = mapOffset[1] + 'px';
if (viewportRootStyle.left !== offsetLeft) {
viewportRootStyle.left = offsetLeft;
}
if (viewportRootStyle.top !== offsetTop) {
viewportRootStyle.top = offsetTop;
}
coordSys.setMapOffset(mapOffset);
bMapModel.__mapOffset = mapOffset;
api.dispatchAction({
type: 'bmapRoam',
animation: {
duration: 0
}
});
};
function zoomEndHandler() {
if (rendering) {
return;
}
api.dispatchAction({
type: 'bmapRoam',
animation: {
duration: 0
}
});
}
bmap.removeEventListener('moving', this._oldMoveHandler);
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 (!isEmptyObject(newMapStyle)) {
bmap.setMapStyle(echarts.util.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 (!isEmptyObject(newMapStyle2)) {
bmap.setMapStyleV2(echarts.util.clone(newMapStyle2));
}
bMapModel.__mapStyle2 = JSON.parse(mapStyleStr2);
}
rendering = false;
}
};
echarts.extendComponentView(proto$1);
// Action
echarts.registerAction({
type: 'bmapRoam',
event: 'bmapRoam',
update: 'updateLayout'
}, function (payload, ecModel) {
ecModel.eachComponent(COMPONENT_MAIN_TYPE_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;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=bmap.js.map