createListFromArray.js
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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 * as zrUtil from 'zrender/src/core/util';
import List from '../../data/List';
import createDimensions from '../../data/helper/createDimensions';
import {SOURCE_FORMAT_ORIGINAL} from '../../data/helper/sourceType';
import {getDimensionTypeByAxis} from '../../data/helper/dimensionHelper';
import {getDataItemValue} from '../../util/model';
import CoordinateSystem from '../../CoordinateSystem';
import {getCoordSysDefineBySeries} from '../../model/referHelper';
import Source from '../../data/Source';
import {enableDataStack} from '../../data/helper/dataStackHelper';
/**
* @param {module:echarts/data/Source|Array} source Or raw data.
* @param {module:echarts/model/Series} seriesModel
* @param {Object} [opt]
* @param {string} [opt.generateCoord]
*/
function createListFromArray(source, seriesModel, opt) {
opt = opt || {};
if (!Source.isInstance(source)) {
source = Source.seriesDataToSource(source);
}
var coordSysName = seriesModel.get('coordinateSystem');
var registeredCoordSys = CoordinateSystem.get(coordSysName);
var coordSysDefine = getCoordSysDefineBySeries(seriesModel);
var coordSysDimDefs;
if (coordSysDefine) {
coordSysDimDefs = zrUtil.map(coordSysDefine.coordSysDims, function (dim) {
var dimInfo = {name: dim};
var axisModel = coordSysDefine.axisMap.get(dim);
if (axisModel) {
var axisType = axisModel.get('type');
dimInfo.type = getDimensionTypeByAxis(axisType);
// dimInfo.stackable = isStackable(axisType);
}
return dimInfo;
});
}
if (!coordSysDimDefs) {
// Get dimensions from registered coordinate system
coordSysDimDefs = (registeredCoordSys && (
registeredCoordSys.getDimensionsInfo
? registeredCoordSys.getDimensionsInfo()
: registeredCoordSys.dimensions.slice()
)) || ['x', 'y'];
}
var dimInfoList = createDimensions(source, {
coordDimensions: coordSysDimDefs,
generateCoord: opt.generateCoord
});
var firstCategoryDimIndex;
var hasNameEncode;
coordSysDefine && zrUtil.each(dimInfoList, function (dimInfo, dimIndex) {
var coordDim = dimInfo.coordDim;
var categoryAxisModel = coordSysDefine.categoryAxisMap.get(coordDim);
if (categoryAxisModel) {
if (firstCategoryDimIndex == null) {
firstCategoryDimIndex = dimIndex;
}
dimInfo.ordinalMeta = categoryAxisModel.getOrdinalMeta();
}
if (dimInfo.otherDims.itemName != null) {
hasNameEncode = true;
}
});
if (!hasNameEncode && firstCategoryDimIndex != null) {
dimInfoList[firstCategoryDimIndex].otherDims.itemName = 0;
}
var stackCalculationInfo = enableDataStack(seriesModel, dimInfoList);
var list = new List(dimInfoList, seriesModel);
list.setCalculationInfo(stackCalculationInfo);
var dimValueGetter = (firstCategoryDimIndex != null && isNeedCompleteOrdinalData(source))
? function (itemOpt, dimName, dataIndex, dimIndex) {
// Use dataIndex as ordinal value in categoryAxis
return dimIndex === firstCategoryDimIndex
? dataIndex
: this.defaultDimValueGetter(itemOpt, dimName, dataIndex, dimIndex);
}
: null;
list.hasItemOption = false;
list.initData(source, null, dimValueGetter);
return list;
}
function isNeedCompleteOrdinalData(source) {
if (source.sourceFormat === SOURCE_FORMAT_ORIGINAL) {
var sampleItem = firstDataNotNull(source.data || []);
return sampleItem != null
&& !zrUtil.isArray(getDataItemValue(sampleItem));
}
}
function firstDataNotNull(data) {
var i = 0;
while (i < data.length && data[i] == null) {
i++;
}
return data[i];
}
export default createListFromArray;