bd028579
 易尊强
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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.
*/
/**
* 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 { createHashMap, isObject, map, isString } from 'zrender/lib/core/util.js';
var uidBase = 0;
var OrdinalMeta = /** @class */function () {
function OrdinalMeta(opt) {
this.categories = opt.categories || [];
this._needCollect = opt.needCollect;
this._deduplication = opt.deduplication;
this.uid = ++uidBase;
}
OrdinalMeta.createByAxisModel = function (axisModel) {
var option = axisModel.option;
var data = option.data;
var categories = data && map(data, getName);
return new OrdinalMeta({
categories: categories,
needCollect: !categories,
// deduplication is default in axis.
deduplication: option.dedplication !== false
});
};
;
OrdinalMeta.prototype.getOrdinal = function (category) {
// @ts-ignore
return this._getOrCreateMap().get(category);
};
/**
* @return The ordinal. If not found, return NaN.
*/
OrdinalMeta.prototype.parseAndCollect = function (category) {
var index;
var needCollect = this._needCollect;
// The value of category dim can be the index of the given category set.
// This feature is only supported when !needCollect, because we should
// consider a common case: a value is 2017, which is a number but is
// expected to be tread as a category. This case usually happen in dataset,
// where it happent to be no need of the index feature.
if (!isString(category) && !needCollect) {
return category;
}
// Optimize for the scenario:
// category is ['2012-01-01', '2012-01-02', ...], where the input
// data has been ensured not duplicate and is large data.
// Notice, if a dataset dimension provide categroies, usually echarts
// should remove duplication except user tell echarts dont do that
// (set axis.deduplication = false), because echarts do not know whether
// the values in the category dimension has duplication (consider the
// parallel-aqi example)
if (needCollect && !this._deduplication) {
index = this.categories.length;
this.categories[index] = category;
return index;
}
var map = this._getOrCreateMap();
// @ts-ignore
index = map.get(category);
if (index == null) {
if (needCollect) {
index = this.categories.length;
this.categories[index] = category;
// @ts-ignore
map.set(category, index);
} else {
index = NaN;
}
}
return index;
};
// Consider big data, do not create map until needed.
OrdinalMeta.prototype._getOrCreateMap = function () {
return this._map || (this._map = createHashMap(this.categories));
};
return OrdinalMeta;
}();
function getName(obj) {
if (isObject(obj) && obj.value != null) {
return obj.value;
} else {
return obj + '';
}
}
export default OrdinalMeta;
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