labelHelper.js
1.51 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/*
* 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 {retrieveRawValue} from '../../data/helper/dataProvider';
/**
* @param {module:echarts/data/List} data
* @param {number} dataIndex
* @return {string} label string. Not null/undefined
*/
export function getDefaultLabel(data, dataIndex) {
var labelDims = data.mapDimension('defaultedLabel', true);
var len = labelDims.length;
// Simple optimization (in lots of cases, label dims length is 1)
if (len === 1) {
return retrieveRawValue(data, dataIndex, labelDims[0]);
}
else if (len) {
var vals = [];
for (var i = 0; i < labelDims.length; i++) {
var val = retrieveRawValue(data, dataIndex, labelDims[i]);
vals.push(val);
}
return vals.join(' ');
}
}