geoRoam.js
1.72 KB
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define(function (require) {
var zrUtil = require('zrender/core/util');
var roamHelper = require('./roamHelper');
var echarts = require('../echarts');
/**
* @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: 'updateLayout'
}, 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 = roamHelper.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);
});
}
}
);
});
});