/*
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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 {retrieveRawValue} from '../../data/helper/dataProvider';
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import List from '../../data/List';
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import { InterpolatableValue } from '../../util/types';
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import { isArray } from 'zrender/src/core/util';
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/**
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* @return label string. Not null/undefined
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*/
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export function getDefaultLabel(
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data: List,
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dataIndex: number
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): string {
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const labelDims = data.mapDimensionsAll('defaultedLabel');
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const len = labelDims.length;
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// Simple optimization (in lots of cases, label dims length is 1)
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if (len === 1) {
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const rawVal = retrieveRawValue(data, dataIndex, labelDims[0]);
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return rawVal != null ? rawVal + '' : null;
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}
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else if (len) {
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const vals = [];
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for (let i = 0; i < labelDims.length; i++) {
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vals.push(retrieveRawValue(data, dataIndex, labelDims[i]));
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}
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return vals.join(' ');
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}
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}
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export function getDefaultInterpolatedLabel(
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data: List,
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interpolatedValue: InterpolatableValue
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): string {
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const labelDims = data.mapDimensionsAll('defaultedLabel');
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if (!isArray(interpolatedValue)) {
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return interpolatedValue + '';
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}
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const vals = [];
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for (let i = 0; i < labelDims.length; i++) {
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const dimInfo = data.getDimensionInfo(labelDims[i]);
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if (dimInfo) {
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vals.push(interpolatedValue[dimInfo.index]);
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}
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}
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return vals.join(' ');
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}
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