bmap.js 12 KB

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  1. (function webpackUniversalModuleDefinition(root, factory) {
  2. if(typeof exports === 'object' && typeof module === 'object')
  3. module.exports = factory(require("echarts"));
  4. else if(typeof define === 'function' && define.amd)
  5. define(["echarts"], factory);
  6. else if(typeof exports === 'object')
  7. exports["bmap"] = factory(require("echarts"));
  8. else
  9. root["echarts"] = root["echarts"] || {}, root["echarts"]["bmap"] = factory(root["echarts"]);
  10. })(this, function(__WEBPACK_EXTERNAL_MODULE_1__) {
  11. return /******/ (function(modules) { // webpackBootstrap
  12. /******/ // The module cache
  13. /******/ var installedModules = {};
  14. /******/ // The require function
  15. /******/ function __webpack_require__(moduleId) {
  16. /******/ // Check if module is in cache
  17. /******/ if(installedModules[moduleId])
  18. /******/ return installedModules[moduleId].exports;
  19. /******/ // Create a new module (and put it into the cache)
  20. /******/ var module = installedModules[moduleId] = {
  21. /******/ exports: {},
  22. /******/ id: moduleId,
  23. /******/ loaded: false
  24. /******/ };
  25. /******/ // Execute the module function
  26. /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
  27. /******/ // Flag the module as loaded
  28. /******/ module.loaded = true;
  29. /******/ // Return the exports of the module
  30. /******/ return module.exports;
  31. /******/ }
  32. /******/ // expose the modules object (__webpack_modules__)
  33. /******/ __webpack_require__.m = modules;
  34. /******/ // expose the module cache
  35. /******/ __webpack_require__.c = installedModules;
  36. /******/ // __webpack_public_path__
  37. /******/ __webpack_require__.p = "";
  38. /******/ // Load entry module and return exports
  39. /******/ return __webpack_require__(0);
  40. /******/ })
  41. /************************************************************************/
  42. /******/ ([
  43. /* 0 */
  44. /***/ function(module, exports, __webpack_require__) {
  45. var __WEBPACK_AMD_DEFINE_RESULT__;/**
  46. * BMap component extension
  47. */
  48. !(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {
  49. __webpack_require__(1).registerCoordinateSystem(
  50. 'bmap', __webpack_require__(2)
  51. );
  52. __webpack_require__(3);
  53. __webpack_require__(4);
  54. // Action
  55. __webpack_require__(1).registerAction({
  56. type: 'bmapRoam',
  57. event: 'bmapRoam',
  58. update: 'updateLayout'
  59. }, function (payload, ecModel) {
  60. ecModel.eachComponent('bmap', function (bMapModel) {
  61. var bmap = bMapModel.getBMap();
  62. var center = bmap.getCenter();
  63. bMapModel.setCenterAndZoom([center.lng, center.lat], bmap.getZoom());
  64. });
  65. });
  66. return {
  67. version: '1.0.0'
  68. };
  69. }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  70. /***/ },
  71. /* 1 */
  72. /***/ function(module, exports) {
  73. module.exports = __WEBPACK_EXTERNAL_MODULE_1__;
  74. /***/ },
  75. /* 2 */
  76. /***/ function(module, exports, __webpack_require__) {
  77. var __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {
  78. var echarts = __webpack_require__(1);
  79. function BMapCoordSys(bmap, api) {
  80. this._bmap = bmap;
  81. this.dimensions = ['lng', 'lat'];
  82. this._mapOffset = [0, 0];
  83. this._api = api;
  84. }
  85. BMapCoordSys.prototype.dimensions = ['lng', 'lat'];
  86. BMapCoordSys.prototype.setMapOffset = function (mapOffset) {
  87. this._mapOffset = mapOffset;
  88. };
  89. BMapCoordSys.prototype.getBMap = function () {
  90. return this._bmap;
  91. };
  92. BMapCoordSys.prototype.dataToPoint = function (data) {
  93. var point = new BMap.Point(data[0], data[1]);
  94. // TODO pointToOverlayPixel is toooooooo slow, cache the transform
  95. var px = this._bmap.pointToOverlayPixel(point);
  96. var mapOffset = this._mapOffset;
  97. return [px.x - mapOffset[0], px.y - mapOffset[1]];
  98. };
  99. BMapCoordSys.prototype.pointToData = function (pt) {
  100. var mapOffset = this._mapOffset;
  101. var pt = this._bmap.overlayPixelToPoint({
  102. x: pt[0] + mapOffset[0],
  103. y: pt[1] + mapOffset[1]
  104. });
  105. return [pt.lng, pt.lat];
  106. };
  107. BMapCoordSys.prototype.getViewRect = function () {
  108. var api = this._api;
  109. return new echarts.graphic.BoundingRect(0, 0, api.getWidth(), api.getHeight());
  110. };
  111. BMapCoordSys.prototype.getRoamTransform = function () {
  112. return echarts.matrix.create();
  113. };
  114. var Overlay;
  115. // For deciding which dimensions to use when creating list data
  116. BMapCoordSys.dimensions = BMapCoordSys.prototype.dimensions;
  117. function createOverlayCtor() {
  118. function Overlay(root) {
  119. this._root = root;
  120. }
  121. Overlay.prototype = new BMap.Overlay();
  122. /**
  123. * 初始化
  124. *
  125. * @param {BMap.Map} map
  126. * @override
  127. */
  128. Overlay.prototype.initialize = function (map) {
  129. map.getPanes().labelPane.appendChild(this._root);
  130. return this._root;
  131. };
  132. /**
  133. * @override
  134. */
  135. Overlay.prototype.draw = function () {};
  136. return Overlay;
  137. }
  138. BMapCoordSys.create = function (ecModel, api) {
  139. var bmapCoordSys;
  140. var root = api.getDom();
  141. // TODO Dispose
  142. ecModel.eachComponent('bmap', function (bmapModel) {
  143. var viewportRoot = api.getZr().painter.getViewportRoot();
  144. if (typeof BMap === 'undefined') {
  145. throw new Error('BMap api is not loaded');
  146. }
  147. Overlay = Overlay || createOverlayCtor();
  148. if (bmapCoordSys) {
  149. throw new Error('Only one bmap component can exist');
  150. }
  151. if (!bmapModel.__bmap) {
  152. // Not support IE8
  153. var bmapRoot = root.querySelector('.ec-extension-bmap');
  154. if (bmapRoot) {
  155. // Reset viewport left and top, which will be changed
  156. // in moving handler in BMapView
  157. viewportRoot.style.left = '0px';
  158. viewportRoot.style.top = '0px';
  159. root.removeChild(bmapRoot);
  160. }
  161. bmapRoot = document.createElement('div');
  162. bmapRoot.style.cssText = 'width:100%;height:100%';
  163. // Not support IE8
  164. bmapRoot.classList.add('ec-extension-bmap');
  165. root.appendChild(bmapRoot);
  166. var bmap = bmapModel.__bmap = new BMap.Map(bmapRoot);
  167. var overlay = new Overlay(viewportRoot);
  168. bmap.addOverlay(overlay);
  169. }
  170. var bmap = bmapModel.__bmap;
  171. // Set bmap options
  172. // centerAndZoom before layout and render
  173. var center = bmapModel.get('center');
  174. var zoom = bmapModel.get('zoom');
  175. if (center && zoom) {
  176. var pt = new BMap.Point(center[0], center[1]);
  177. bmap.centerAndZoom(pt, zoom);
  178. }
  179. bmapCoordSys = new BMapCoordSys(bmap, api);
  180. bmapCoordSys.setMapOffset(bmapModel.__mapOffset || [0, 0]);
  181. bmapModel.coordinateSystem = bmapCoordSys;
  182. });
  183. ecModel.eachSeries(function (seriesModel) {
  184. if (seriesModel.get('coordinateSystem') === 'bmap') {
  185. seriesModel.coordinateSystem = bmapCoordSys;
  186. }
  187. });
  188. };
  189. return BMapCoordSys;
  190. }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  191. /***/ },
  192. /* 3 */
  193. /***/ function(module, exports, __webpack_require__) {
  194. var __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {
  195. function v2Equal(a, b) {
  196. return a && b && a[0] === b[0] && a[1] === b[1];
  197. }
  198. return __webpack_require__(1).extendComponentModel({
  199. type: 'bmap',
  200. getBMap: function () {
  201. // __bmap is injected when creating BMapCoordSys
  202. return this.__bmap;
  203. },
  204. setCenterAndZoom: function (center, zoom) {
  205. this.option.center = center;
  206. this.option.zoom = zoom;
  207. },
  208. centerOrZoomChanged: function (center, zoom) {
  209. var option = this.option;
  210. return !(v2Equal(center, option.center) && zoom === option.zoom);
  211. },
  212. defaultOption: {
  213. center: [104.114129, 37.550339],
  214. zoom: 5,
  215. mapStyle: {},
  216. roam: false
  217. }
  218. });
  219. }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  220. /***/ },
  221. /* 4 */
  222. /***/ function(module, exports, __webpack_require__) {
  223. var __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {
  224. return __webpack_require__(1).extendComponentView({
  225. type: 'bmap',
  226. render: function (bMapModel, ecModel, api) {
  227. var rendering = true;
  228. var bmap = bMapModel.getBMap();
  229. var viewportRoot = api.getZr().painter.getViewportRoot();
  230. var coordSys = bMapModel.coordinateSystem;
  231. var moveHandler = function (type, target) {
  232. if (rendering) {
  233. return;
  234. }
  235. var offsetEl = viewportRoot.parentNode.parentNode.parentNode;
  236. var mapOffset = [
  237. -parseInt(offsetEl.style.left, 10) || 0,
  238. -parseInt(offsetEl.style.top, 10) || 0
  239. ];
  240. viewportRoot.style.left = mapOffset[0] + 'px';
  241. viewportRoot.style.top = mapOffset[1] + 'px';
  242. coordSys.setMapOffset(mapOffset);
  243. bMapModel.__mapOffset = mapOffset;
  244. api.dispatchAction({
  245. type: 'bmapRoam'
  246. });
  247. };
  248. function zoomEndHandler() {
  249. if (rendering) {
  250. return;
  251. }
  252. api.dispatchAction({
  253. type: 'bmapRoam'
  254. });
  255. }
  256. bmap.removeEventListener('moving', this._oldMoveHandler);
  257. // FIXME
  258. // Moveend may be triggered by centerAndZoom method when creating coordSys next time
  259. // bmap.removeEventListener('moveend', this._oldMoveHandler);
  260. bmap.removeEventListener('zoomend', this._oldZoomEndHandler);
  261. bmap.addEventListener('moving', moveHandler);
  262. // bmap.addEventListener('moveend', moveHandler);
  263. bmap.addEventListener('zoomend', zoomEndHandler);
  264. this._oldMoveHandler = moveHandler;
  265. this._oldZoomEndHandler = zoomEndHandler;
  266. var roam = bMapModel.get('roam');
  267. if (roam && roam !== 'scale') {
  268. bmap.enableDragging();
  269. }
  270. else {
  271. bmap.disableDragging();
  272. }
  273. if (roam && roam !== 'move') {
  274. bmap.enableScrollWheelZoom();
  275. bmap.enableDoubleClickZoom();
  276. bmap.enablePinchToZoom();
  277. }
  278. else {
  279. bmap.disableScrollWheelZoom();
  280. bmap.disableDoubleClickZoom();
  281. bmap.disablePinchToZoom();
  282. }
  283. var originalStyle = bMapModel.__mapStyle;
  284. var newMapStyle = bMapModel.get('mapStyle') || {};
  285. // FIXME, Not use JSON methods
  286. var mapStyleStr = JSON.stringify(newMapStyle);
  287. if (JSON.stringify(originalStyle) !== mapStyleStr) {
  288. // FIXME May have blank tile when dragging if setMapStyle
  289. if (Object.keys(newMapStyle).length) {
  290. bmap.setMapStyle(newMapStyle);
  291. }
  292. bMapModel.__mapStyle = JSON.parse(mapStyleStr);
  293. }
  294. rendering = false;
  295. }
  296. });
  297. }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  298. /***/ }
  299. /******/ ])
  300. });
  301. ;