/*
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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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// @ts-nocheck
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import * as echarts from 'echarts';
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function isEmptyObject(obj) {
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for (const key in obj) {
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if (obj.hasOwnProperty(key)) {
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return false;
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}
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}
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return true;
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}
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export default echarts.extendComponentView({
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type: 'bmap',
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render: function (bMapModel, ecModel, api) {
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let rendering = true;
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const bmap = bMapModel.getBMap();
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const viewportRoot = api.getZr().painter.getViewportRoot();
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const coordSys = bMapModel.coordinateSystem;
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const moveHandler = function (type, target) {
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if (rendering) {
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return;
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}
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const offsetEl = viewportRoot.parentNode.parentNode.parentNode;
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const mapOffset = [
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-parseInt(offsetEl.style.left, 10) || 0,
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-parseInt(offsetEl.style.top, 10) || 0
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];
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// only update style when map offset changed
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const viewportRootStyle = viewportRoot.style;
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const offsetLeft = mapOffset[0] + 'px';
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const offsetTop = mapOffset[1] + 'px';
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if (viewportRootStyle.left !== offsetLeft) {
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viewportRootStyle.left = offsetLeft;
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}
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if (viewportRootStyle.top !== offsetTop) {
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viewportRootStyle.top = offsetTop;
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}
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coordSys.setMapOffset(mapOffset);
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bMapModel.__mapOffset = mapOffset;
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api.dispatchAction({
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type: 'bmapRoam',
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animation: {
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duration: 0
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}
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});
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};
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function zoomEndHandler() {
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if (rendering) {
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return;
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}
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api.dispatchAction({
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type: 'bmapRoam',
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animation: {
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duration: 0
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}
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});
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}
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bmap.removeEventListener('moving', this._oldMoveHandler);
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bmap.removeEventListener('moveend', this._oldMoveHandler);
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bmap.removeEventListener('zoomend', this._oldZoomEndHandler);
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bmap.addEventListener('moving', moveHandler);
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bmap.addEventListener('moveend', moveHandler);
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bmap.addEventListener('zoomend', zoomEndHandler);
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this._oldMoveHandler = moveHandler;
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this._oldZoomEndHandler = zoomEndHandler;
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const roam = bMapModel.get('roam');
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if (roam && roam !== 'scale') {
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bmap.enableDragging();
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}
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else {
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bmap.disableDragging();
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}
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if (roam && roam !== 'move') {
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bmap.enableScrollWheelZoom();
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bmap.enableDoubleClickZoom();
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bmap.enablePinchToZoom();
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}
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else {
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bmap.disableScrollWheelZoom();
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bmap.disableDoubleClickZoom();
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bmap.disablePinchToZoom();
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}
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/* map 2.0 */
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const originalStyle = bMapModel.__mapStyle;
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const newMapStyle = bMapModel.get('mapStyle') || {};
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// FIXME, Not use JSON methods
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const mapStyleStr = JSON.stringify(newMapStyle);
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if (JSON.stringify(originalStyle) !== mapStyleStr) {
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// FIXME May have blank tile when dragging if setMapStyle
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if (!isEmptyObject(newMapStyle)) {
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bmap.setMapStyle(echarts.util.clone(newMapStyle));
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}
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bMapModel.__mapStyle = JSON.parse(mapStyleStr);
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}
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/* map 3.0 */
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const originalStyle2 = bMapModel.__mapStyle2;
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const newMapStyle2 = bMapModel.get('mapStyleV2') || {};
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// FIXME, Not use JSON methods
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const mapStyleStr2 = JSON.stringify(newMapStyle2);
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if (JSON.stringify(originalStyle2) !== mapStyleStr2) {
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// FIXME May have blank tile when dragging if setMapStyle
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if (!isEmptyObject(newMapStyle2)) {
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bmap.setMapStyleV2(echarts.util.clone(newMapStyle2));
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}
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bMapModel.__mapStyle2 = JSON.parse(mapStyleStr2);
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}
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rendering = false;
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}
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});
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