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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 { makeInner } from '../util/model';
import LabelManager from './LabelManager';
import ExtensionAPI from '../core/ExtensionAPI';
const getLabelManager = makeInner<{ labelManager: LabelManager }, ExtensionAPI>();
export function installLabelLayout(registers: EChartsExtensionInstallRegisters) {
registers.registerUpdateLifecycle('series:beforeupdate', (ecModel, api, params) => {
// TODO api provide an namespace that can save stuff per instance
let labelManager = getLabelManager(api).labelManager;
if (!labelManager) {
labelManager = getLabelManager(api).labelManager = new LabelManager();
}
labelManager.clearLabels();
});
registers.registerUpdateLifecycle('series:layoutlabels', (ecModel, api, params) => {
const labelManager = getLabelManager(api).labelManager;
params.updatedSeries.forEach(series => {
labelManager.addLabelsOfSeries(api.getViewOfSeriesModel(series));
});
labelManager.updateLayoutConfig(api);
labelManager.layout(api);
labelManager.processLabelsOverall();
});
} |