lepu-test-platform-web/node_modules/echarts/lib/visual/aria.js

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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.
*/
var zrUtil = require("zrender/lib/core/util");
var lang = require("../lang");
var _dataProvider = require("../data/helper/dataProvider");
var retrieveRawValue = _dataProvider.retrieveRawValue;
/*
* 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.
*/
function _default(dom, ecModel) {
var ariaModel = ecModel.getModel('aria');
if (!ariaModel.get('show')) {
return;
} else if (ariaModel.get('description')) {
dom.setAttribute('aria-label', ariaModel.get('description'));
return;
}
var seriesCnt = 0;
ecModel.eachSeries(function (seriesModel, idx) {
++seriesCnt;
}, this);
var maxDataCnt = ariaModel.get('data.maxCount') || 10;
var maxSeriesCnt = ariaModel.get('series.maxCount') || 10;
var displaySeriesCnt = Math.min(seriesCnt, maxSeriesCnt);
var ariaLabel;
if (seriesCnt < 1) {
// No series, no aria label
return;
} else {
var title = getTitle();
if (title) {
ariaLabel = replace(getConfig('general.withTitle'), {
title: title
});
} else {
ariaLabel = getConfig('general.withoutTitle');
}
var seriesLabels = [];
var prefix = seriesCnt > 1 ? 'series.multiple.prefix' : 'series.single.prefix';
ariaLabel += replace(getConfig(prefix), {
seriesCount: seriesCnt
});
ecModel.eachSeries(function (seriesModel, idx) {
if (idx < displaySeriesCnt) {
var seriesLabel;
var seriesName = seriesModel.get('name');
var seriesTpl = 'series.' + (seriesCnt > 1 ? 'multiple' : 'single') + '.';
seriesLabel = getConfig(seriesName ? seriesTpl + 'withName' : seriesTpl + 'withoutName');
seriesLabel = replace(seriesLabel, {
seriesId: seriesModel.seriesIndex,
seriesName: seriesModel.get('name'),
seriesType: getSeriesTypeName(seriesModel.subType)
});
var data = seriesModel.getData();
window.data = data;
if (data.count() > maxDataCnt) {
// Show part of data
seriesLabel += replace(getConfig('data.partialData'), {
displayCnt: maxDataCnt
});
} else {
seriesLabel += getConfig('data.allData');
}
var dataLabels = [];
for (var i = 0; i < data.count(); i++) {
if (i < maxDataCnt) {
var name = data.getName(i);
var value = retrieveRawValue(data, i);
dataLabels.push(replace(name ? getConfig('data.withName') : getConfig('data.withoutName'), {
name: name,
value: value
}));
}
}
seriesLabel += dataLabels.join(getConfig('data.separator.middle')) + getConfig('data.separator.end');
seriesLabels.push(seriesLabel);
}
});
ariaLabel += seriesLabels.join(getConfig('series.multiple.separator.middle')) + getConfig('series.multiple.separator.end');
dom.setAttribute('aria-label', ariaLabel);
}
function replace(str, keyValues) {
if (typeof str !== 'string') {
return str;
}
var result = str;
zrUtil.each(keyValues, function (value, key) {
result = result.replace(new RegExp('\\{\\s*' + key + '\\s*\\}', 'g'), value);
});
return result;
}
function getConfig(path) {
var userConfig = ariaModel.get(path);
if (userConfig == null) {
var pathArr = path.split('.');
var result = lang.aria;
for (var i = 0; i < pathArr.length; ++i) {
result = result[pathArr[i]];
}
return result;
} else {
return userConfig;
}
}
function getTitle() {
var title = ecModel.getModel('title').option;
if (title && title.length) {
title = title[0];
}
return title && title.text;
}
function getSeriesTypeName(type) {
return lang.series.typeNames[type] || '自定义图';
}
}
module.exports = _default;