geoRoam.js
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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.
*/
import * as echarts from '../echarts';
import * as zrUtil from 'zrender/src/core/util';
import {updateCenterAndZoom} from './roamHelper';
/**
* @payload
* @property {string} [componentType=series]
* @property {number} [dx]
* @property {number} [dy]
* @property {number} [zoom]
* @property {number} [originX]
* @property {number} [originY]
*/
echarts.registerAction({
type: 'geoRoam',
event: 'geoRoam',
update: 'updateTransform'
}, function (payload, ecModel) {
var componentType = payload.componentType || 'series';
ecModel.eachComponent(
{ mainType: componentType, query: payload },
function (componentModel) {
var geo = componentModel.coordinateSystem;
if (geo.type !== 'geo') {
return;
}
var res = updateCenterAndZoom(
geo, payload, componentModel.get('scaleLimit')
);
componentModel.setCenter
&& componentModel.setCenter(res.center);
componentModel.setZoom
&& componentModel.setZoom(res.zoom);
// All map series with same `map` use the same geo coordinate system
// So the center and zoom must be in sync. Include the series not selected by legend
if (componentType === 'series') {
zrUtil.each(componentModel.seriesGroup, function (seriesModel) {
seriesModel.setCenter(res.center);
seriesModel.setZoom(res.zoom);
});
}
}
);
});