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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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|
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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import { createHashMap, isObject, map, isString } from 'zrender/lib/core/util.js';
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var uidBase = 0;
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var OrdinalMeta = /** @class */function () {
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function OrdinalMeta(opt) {
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this.categories = opt.categories || [];
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this._needCollect = opt.needCollect;
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this._deduplication = opt.deduplication;
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this.uid = ++uidBase;
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}
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OrdinalMeta.createByAxisModel = function (axisModel) {
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var option = axisModel.option;
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var data = option.data;
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var categories = data && map(data, getName);
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return new OrdinalMeta({
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categories: categories,
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needCollect: !categories,
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// deduplication is default in axis.
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deduplication: option.dedplication !== false
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});
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};
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;
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OrdinalMeta.prototype.getOrdinal = function (category) {
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// @ts-ignore
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return this._getOrCreateMap().get(category);
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};
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/**
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* @return The ordinal. If not found, return NaN.
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*/
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OrdinalMeta.prototype.parseAndCollect = function (category) {
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var index;
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var needCollect = this._needCollect;
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// The value of category dim can be the index of the given category set.
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// This feature is only supported when !needCollect, because we should
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// consider a common case: a value is 2017, which is a number but is
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// expected to be tread as a category. This case usually happen in dataset,
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// where it happent to be no need of the index feature.
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if (!isString(category) && !needCollect) {
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return category;
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}
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// Optimize for the scenario:
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// category is ['2012-01-01', '2012-01-02', ...], where the input
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// data has been ensured not duplicate and is large data.
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// Notice, if a dataset dimension provide categroies, usually echarts
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// should remove duplication except user tell echarts dont do that
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// (set axis.deduplication = false), because echarts do not know whether
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// the values in the category dimension has duplication (consider the
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// parallel-aqi example)
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if (needCollect && !this._deduplication) {
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index = this.categories.length;
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this.categories[index] = category;
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return index;
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}
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var map = this._getOrCreateMap();
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// @ts-ignore
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index = map.get(category);
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if (index == null) {
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if (needCollect) {
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index = this.categories.length;
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this.categories[index] = category;
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// @ts-ignore
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map.set(category, index);
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} else {
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index = NaN;
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}
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}
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return index;
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};
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// Consider big data, do not create map until needed.
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OrdinalMeta.prototype._getOrCreateMap = function () {
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return this._map || (this._map = createHashMap(this.categories));
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};
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return OrdinalMeta;
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}();
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function getName(obj) {
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if (isObject(obj) && obj.value != null) {
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return obj.value;
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} else {
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return obj + '';
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}
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}
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export default OrdinalMeta;
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