Zzhangxiaohuiupdate
b5a4ce28创建于 2021年4月14日历史提交
(function webpackUniversalModuleDefinition(root, factory) {
    if(typeof exports === 'object' && typeof module === 'object')
        module.exports = factory(require("echarts"));
    else if(typeof define === 'function' && define.amd)
        define(["echarts"], factory);
    else if(typeof exports === 'object')
        exports["bmap"] = factory(require("echarts"));
    else
        root["echarts"] = root["echarts"] || {}, root["echarts"]["bmap"] = factory(root["echarts"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_1__) {
return /******/ (function(modules) { // webpackBootstrap
/******/    // The module cache
/******/    var installedModules = {};

/******/    // The require function
/******/    function __webpack_require__(moduleId) {

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/******/        // Create a new module (and put it into the cache)
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/******/    // expose the modules object (__webpack_modules__)
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/* 0 */
/***/ function(module, exports, __webpack_require__) {

    var __WEBPACK_AMD_DEFINE_RESULT__;/**
     * BMap component extension
     */
    !(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {

        __webpack_require__(1).registerCoordinateSystem(
            'bmap', __webpack_require__(2)
        );
        __webpack_require__(3);
        __webpack_require__(4);

        // Action
        __webpack_require__(1).registerAction({
            type: 'bmapRoam',
            event: 'bmapRoam',
            update: 'updateLayout'
        }, function (payload, ecModel) {
            ecModel.eachComponent('bmap', function (bMapModel) {
                var bmap = bMapModel.getBMap();
                var center = bmap.getCenter();
                bMapModel.setCenterAndZoom([center.lng, center.lat], bmap.getZoom());
            });
        });

        return {
            version: '1.0.0'
        };
    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ },
/* 1 */
/***/ function(module, exports) {

    module.exports = __WEBPACK_EXTERNAL_MODULE_1__;

/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {

    var __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {

        var echarts = __webpack_require__(1);
        var zrUtil = echarts.util;

        function BMapCoordSys(bmap, api) {
            this._bmap = bmap;
            this.dimensions = ['lng', 'lat'];
            this._mapOffset = [0, 0];

            this._api = api;

            this._projection = new BMap.MercatorProjection();
        }

        BMapCoordSys.prototype.dimensions = ['lng', 'lat'];

        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
            // var mercatorPoint = this._projection.lngLatToPoint(point);

            // var width = this._api.getZr().getWidth();
            // var height = this._api.getZr().getHeight();
            // var 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 (pt) {
            var mapOffset = this._mapOffset;
            var pt = this._bmap.overlayPixelToPoint({
                x: pt[0] + mapOffset[0],
                y: pt[1] + mapOffset[1]
            });
            return [pt.lng, pt.lat];
        };

        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 (data) {
            var rect = this.getViewRect();
            return {
                coordSys: {
                    // The name exposed to user is always 'cartesian2d' but not 'grid'.
                    type: 'bmap',
                    x: rect.x,
                    y: rect.y,
                    width: rect.width,
                    height: rect.height
                },
                api: {
                    coord: zrUtil.bind(this.dataToPoint, this),
                    size: zrUtil.bind(dataToCoordSize, this)
                }
            };
        };

        function dataToCoordSize(dataSize, dataItem) {
            dataItem = dataItem || [0, 0];
            return zrUtil.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;

        // For deciding which dimensions to use when creating list data
        BMapCoordSys.dimensions = BMapCoordSys.prototype.dimensions;

        function createOverlayCtor() {
            function Overlay(root) {
                this._root = root;
            }

            Overlay.prototype = new BMap.Overlay();
            /**
             * 初始化
             *
             * @param {BMap.Map} map
             * @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('bmap', function (bmapModel) {
                var viewportRoot = api.getZr().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');
                }
                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.classList.add('ec-extension-bmap');
                    }
                    bmapRoot = document.createElement('div');
                    bmapRoot.style.cssText = 'width:100%;height:100%';
                    // Not support IE8
                    // bmapRoot.classList.add('ec-extension-bmap');
                    root.appendChild(bmapRoot);
                    var bmap = bmapModel.__bmap = new BMap.Map(bmapRoot);

                    var overlay = new Overlay(viewportRoot);
                    bmap.addOverlay(overlay);
                }
                var 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 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') === 'bmap') {
                    seriesModel.coordinateSystem = bmapCoordSys;
                }
            });
        };

        return BMapCoordSys;
    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ },
/* 3 */
/***/ function(module, exports, __webpack_require__) {

    var __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {

        function v2Equal(a, b) {
            return a && b && a[0] === b[0] && a[1] === b[1];
        }

        return __webpack_require__(1).extendComponentModel({
            type: 'bmap',

            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,

                mapStyle: {},

                roam: false
            }
        });
    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {

    var __WEBPACK_AMD_DEFINE_RESULT__;!(__WEBPACK_AMD_DEFINE_RESULT__ = function (require) {

        return __webpack_require__(1).extendComponentView({
            type: 'bmap',

            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 (type, target) {
                    if (rendering) {
                        return;
                    }
                    var offsetEl = viewportRoot.parentNode.parentNode.parentNode;
                    var mapOffset = [
                        -parseInt(offsetEl.style.left, 10) || 0,
                        -parseInt(offsetEl.style.top, 10) || 0
                    ];
                    viewportRoot.style.left = mapOffset[0] + 'px';
                    viewportRoot.style.top = mapOffset[1] + 'px';

                    coordSys.setMapOffset(mapOffset);
                    bMapModel.__mapOffset = mapOffset;

                    api.dispatchAction({
                        type: 'bmapRoam'
                    });
                };

                function zoomEndHandler() {
                    if (rendering) {
                        return;
                    }
                    api.dispatchAction({
                        type: 'bmapRoam'
                    });
                }

                bmap.removeEventListener('moving', this._oldMoveHandler);
                // FIXME
                // Moveend may be triggered by centerAndZoom method when creating coordSys next time
                // 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();
                }

                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 (!Object.keys) {
                        Object.keys = function(o) {
                          if (o !== Object(o))
                            throw new TypeError('Object.keys called on a non-object');
                          var k=[],p;
                          for (p in o) if (Object.prototype.hasOwnProperty.call(o,p)) k.push(p);
                          return k;
                        }
                    }
                    if (Object.keys(newMapStyle).length) {
                        bmap.setMapStyle(newMapStyle);
                    }
                    // bmap.setMapStyle(newMapStyle);
                    bMapModel.__mapStyle = JSON.parse(mapStyleStr);
                }

                rendering = false;
            }
        });
    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));

/***/ }
/******/ ])
});
;