guanlan-src/app_frontEnd/web/node_modules/echarts/lib/label/installLabelLayout.js

/*
* 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.
*/


/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

/*
* 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 { makeInner } from '../util/model.js';
import LabelManager from './LabelManager.js';
import { each } from 'zrender/lib/core/util.js';
var getLabelManager = makeInner();
export function installLabelLayout(registers) {
  registers.registerUpdateLifecycle('series:beforeupdate', function (ecModel, api, params) {
    // TODO api provide an namespace that can save stuff per instance
    var labelManager = getLabelManager(api).labelManager;
    if (!labelManager) {
      labelManager = getLabelManager(api).labelManager = new LabelManager();
    }
    labelManager.clearLabels();
  });
  registers.registerUpdateLifecycle('series:layoutlabels', function (ecModel, api, params) {
    var labelManager = getLabelManager(api).labelManager;
    each(params.updatedSeries, function (series) {
      labelManager.addLabelsOfSeries(api.getViewOfSeriesModel(series));
    });
    labelManager.updateLayoutConfig(api);
    labelManager.layout(api);
    labelManager.processLabelsOverall();
  });
}