project/node_modules/echarts/lib/component/dataZoom/helper.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 { indexOf, createHashMap, assert } from 'zrender/lib/core/util.js';
export var DATA_ZOOM_AXIS_DIMENSIONS = ['x', 'y', 'radius', 'angle', 'single'];
// Supported coords.
// FIXME: polar has been broken (but rarely used).
var SERIES_COORDS = ['cartesian2d', 'polar', 'singleAxis'];
export function isCoordSupported(seriesModel) {
  var coordType = seriesModel.get('coordinateSystem');
  return indexOf(SERIES_COORDS, coordType) >= 0;
}
export function getAxisMainType(axisDim) {
  if (process.env.NODE_ENV !== 'production') {
    assert(axisDim);
  }
  return axisDim + 'Axis';
}
export function getAxisIndexPropName(axisDim) {
  if (process.env.NODE_ENV !== 'production') {
    assert(axisDim);
  }
  return axisDim + 'AxisIndex';
}
export function getAxisIdPropName(axisDim) {
  if (process.env.NODE_ENV !== 'production') {
    assert(axisDim);
  }
  return axisDim + 'AxisId';
}
/**
 * If two dataZoomModels has the same axis controlled, we say that they are 'linked'.
 * This function finds all linked dataZoomModels start from the given payload.
 */
export function findEffectedDataZooms(ecModel, payload) {
  // Key: `DataZoomAxisDimension`
  var axisRecords = createHashMap();
  var effectedModels = [];
  // Key: uid of dataZoomModel
  var effectedModelMap = createHashMap();
  // Find the dataZooms specified by payload.
  ecModel.eachComponent({
    mainType: 'dataZoom',
    query: payload
  }, function (dataZoomModel) {
    if (!effectedModelMap.get(dataZoomModel.uid)) {
      addToEffected(dataZoomModel);
    }
  });
  // Start from the given dataZoomModels, travel the graph to find
  // all of the linked dataZoom models.
  var foundNewLink;
  do {
    foundNewLink = false;
    ecModel.eachComponent('dataZoom', processSingle);
  } while (foundNewLink);
  function processSingle(dataZoomModel) {
    if (!effectedModelMap.get(dataZoomModel.uid) && isLinked(dataZoomModel)) {
      addToEffected(dataZoomModel);
      foundNewLink = true;
    }
  }
  function addToEffected(dataZoom) {
    effectedModelMap.set(dataZoom.uid, true);
    effectedModels.push(dataZoom);
    markAxisControlled(dataZoom);
  }
  function isLinked(dataZoomModel) {
    var isLink = false;
    dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {
      var axisIdxArr = axisRecords.get(axisDim);
      if (axisIdxArr && axisIdxArr[axisIndex]) {
        isLink = true;
      }
    });
    return isLink;
  }
  function markAxisControlled(dataZoomModel) {
    dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {
      (axisRecords.get(axisDim) || axisRecords.set(axisDim, []))[axisIndex] = true;
    });
  }
  return effectedModels;
}
/**
 * Find the first target coordinate system.
 * Available after model built.
 *
 * @return Like {
 *                  grid: [
 *                      {model: coord0, axisModels: [axis1, axis3], coordIndex: 1},
 *                      {model: coord1, axisModels: [axis0, axis2], coordIndex: 0},
 *                      ...
 *                  ],  // cartesians must not be null/undefined.
 *                  polar: [
 *                      {model: coord0, axisModels: [axis4], coordIndex: 0},
 *                      ...
 *                  ],  // polars must not be null/undefined.
 *                  singleAxis: [
 *                      {model: coord0, axisModels: [], coordIndex: 0}
 *                  ]
 *              }
 */
export function collectReferCoordSysModelInfo(dataZoomModel) {
  var ecModel = dataZoomModel.ecModel;
  var coordSysInfoWrap = {
    infoList: [],
    infoMap: createHashMap()
  };
  dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {
    var axisModel = ecModel.getComponent(getAxisMainType(axisDim), axisIndex);
    if (!axisModel) {
      return;
    }
    var coordSysModel = axisModel.getCoordSysModel();
    if (!coordSysModel) {
      return;
    }
    var coordSysUid = coordSysModel.uid;
    var coordSysInfo = coordSysInfoWrap.infoMap.get(coordSysUid);
    if (!coordSysInfo) {
      coordSysInfo = {
        model: coordSysModel,
        axisModels: []
      };
      coordSysInfoWrap.infoList.push(coordSysInfo);
      coordSysInfoWrap.infoMap.set(coordSysUid, coordSysInfo);
    }
    coordSysInfo.axisModels.push(axisModel);
  });
  return coordSysInfoWrap;
}