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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 { EChartsExtensionInstallRegisters } from '../../extension';
import GeoModel from '../../coord/geo/GeoModel';
import geoCreator from '../../coord/geo/geoCreator';
import { ActionInfo } from '../../util/types';
import { each } from 'zrender/src/core/util';
import GlobalModel from '../../model/Global';
import { updateCenterAndZoom, RoamPayload } from '../../action/roamHelper';
import MapSeries from '../../chart/map/MapSeries';
import GeoView from './GeoView';
import geoSourceManager from '../../coord/geo/geoSourceManager';
import type ExtensionAPI from '../../core/ExtensionAPI';
type RegisterMapParams = Parameters<typeof geoSourceManager.registerMap>;
function registerMap(
mapName: RegisterMapParams[0],
geoJson: RegisterMapParams[1],
specialAreas?: RegisterMapParams[2]
) {
geoSourceManager.registerMap(mapName, geoJson, specialAreas);
}
export function install(registers: EChartsExtensionInstallRegisters) {
registers.registerCoordinateSystem('geo', geoCreator);
registers.registerComponentModel(GeoModel);
registers.registerComponentView(GeoView);
registers.registerImpl('registerMap', registerMap);
registers.registerImpl('getMap', (mapName: string) => geoSourceManager.getMapForUser(mapName));
function makeAction(
method: 'toggleSelected' | 'select' | 'unSelect',
actionInfo: ActionInfo
): void {
actionInfo.update = 'geo:updateSelectStatus';
registers.registerAction(actionInfo, function (payload, ecModel) {
const selected = {} as {[regionName: string]: boolean};
const allSelected = [] as ({ name: string[], geoIndex: number })[];
ecModel.eachComponent(
{ mainType: 'geo', query: payload},
function (geoModel: GeoModel) {
geoModel[method](payload.name);
const geo = geoModel.coordinateSystem;
each(geo.regions, function (region) {
selected[region.name] = geoModel.isSelected(region.name) || false;
});
// Notice: there might be duplicated name in different regions.
const names = [] as string[];
each(selected, function (v, name) {
selected[name] && names.push(name);
});
allSelected.push({
geoIndex: geoModel.componentIndex,
// Use singular, the same naming convention as the event `selectchanged`.
name: names
});
}
);
return {
selected: selected,
allSelected: allSelected,
name: payload.name
};
});
}
makeAction('toggleSelected', {
type: 'geoToggleSelect',
event: 'geoselectchanged'
});
makeAction('select', {
type: 'geoSelect',
event: 'geoselected'
});
makeAction('unSelect', {
type: 'geoUnSelect',
event: 'geounselected'
});
/**
* @payload
* @property {string} [componentType=series]
* @property {number} [dx]
* @property {number} [dy]
* @property {number} [zoom]
* @property {number} [originX]
* @property {number} [originY]
*/
registers.registerAction({
type: 'geoRoam',
event: 'geoRoam',
update: 'updateTransform'
}, function (payload: RoamPayload, ecModel: GlobalModel, api: ExtensionAPI) {
const componentType = payload.componentType || 'series';
ecModel.eachComponent(
{ mainType: componentType, query: payload },
function (componentModel: GeoModel | MapSeries) {
const geo = componentModel.coordinateSystem;
if (geo.type !== 'geo') {
return;
}
const res = updateCenterAndZoom(
geo, payload, (componentModel as GeoModel).get('scaleLimit'), api
);
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') {
each((componentModel as MapSeries).seriesGroup, function (seriesModel) {
seriesModel.setCenter(res.center);
seriesModel.setZoom(res.zoom);
});
}
}
);
});
}
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