lepu-test-platform-web/node_modules/echarts/lib/data/Source.js

172 lines
4.9 KiB
JavaScript

/*
* 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.
*/
var _util = require("zrender/lib/core/util");
var createHashMap = _util.createHashMap;
var isTypedArray = _util.isTypedArray;
var _clazz = require("../util/clazz");
var enableClassCheck = _clazz.enableClassCheck;
var _sourceType = require("./helper/sourceType");
var SOURCE_FORMAT_ORIGINAL = _sourceType.SOURCE_FORMAT_ORIGINAL;
var SERIES_LAYOUT_BY_COLUMN = _sourceType.SERIES_LAYOUT_BY_COLUMN;
var SOURCE_FORMAT_UNKNOWN = _sourceType.SOURCE_FORMAT_UNKNOWN;
var SOURCE_FORMAT_TYPED_ARRAY = _sourceType.SOURCE_FORMAT_TYPED_ARRAY;
var SOURCE_FORMAT_KEYED_COLUMNS = _sourceType.SOURCE_FORMAT_KEYED_COLUMNS;
/*
* 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.
*/
/**
* [sourceFormat]
*
* + "original":
* This format is only used in series.data, where
* itemStyle can be specified in data item.
*
* + "arrayRows":
* [
* ['product', 'score', 'amount'],
* ['Matcha Latte', 89.3, 95.8],
* ['Milk Tea', 92.1, 89.4],
* ['Cheese Cocoa', 94.4, 91.2],
* ['Walnut Brownie', 85.4, 76.9]
* ]
*
* + "objectRows":
* [
* {product: 'Matcha Latte', score: 89.3, amount: 95.8},
* {product: 'Milk Tea', score: 92.1, amount: 89.4},
* {product: 'Cheese Cocoa', score: 94.4, amount: 91.2},
* {product: 'Walnut Brownie', score: 85.4, amount: 76.9}
* ]
*
* + "keyedColumns":
* {
* 'product': ['Matcha Latte', 'Milk Tea', 'Cheese Cocoa', 'Walnut Brownie'],
* 'count': [823, 235, 1042, 988],
* 'score': [95.8, 81.4, 91.2, 76.9]
* }
*
* + "typedArray"
*
* + "unknown"
*/
/**
* @constructor
* @param {Object} fields
* @param {string} fields.sourceFormat
* @param {Array|Object} fields.fromDataset
* @param {Array|Object} [fields.data]
* @param {string} [seriesLayoutBy='column']
* @param {Array.<Object|string>} [dimensionsDefine]
* @param {Objet|HashMap} [encodeDefine]
* @param {number} [startIndex=0]
* @param {number} [dimensionsDetectCount]
*/
function Source(fields) {
/**
* @type {boolean}
*/
this.fromDataset = fields.fromDataset;
/**
* Not null/undefined.
* @type {Array|Object}
*/
this.data = fields.data || (fields.sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS ? {} : []);
/**
* See also "detectSourceFormat".
* Not null/undefined.
* @type {string}
*/
this.sourceFormat = fields.sourceFormat || SOURCE_FORMAT_UNKNOWN;
/**
* 'row' or 'column'
* Not null/undefined.
* @type {string} seriesLayoutBy
*/
this.seriesLayoutBy = fields.seriesLayoutBy || SERIES_LAYOUT_BY_COLUMN;
/**
* dimensions definition in option.
* can be null/undefined.
* @type {Array.<Object|string>}
*/
this.dimensionsDefine = fields.dimensionsDefine;
/**
* encode definition in option.
* can be null/undefined.
* @type {Objet|HashMap}
*/
this.encodeDefine = fields.encodeDefine && createHashMap(fields.encodeDefine);
/**
* Not null/undefined, uint.
* @type {number}
*/
this.startIndex = fields.startIndex || 0;
/**
* Can be null/undefined (when unknown), uint.
* @type {number}
*/
this.dimensionsDetectCount = fields.dimensionsDetectCount;
}
/**
* Wrap original series data for some compatibility cases.
*/
Source.seriesDataToSource = function (data) {
return new Source({
data: data,
sourceFormat: isTypedArray(data) ? SOURCE_FORMAT_TYPED_ARRAY : SOURCE_FORMAT_ORIGINAL,
fromDataset: false
});
};
enableClassCheck(Source);
var _default = Source;
module.exports = _default;