aaac7fed
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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.
*/
import {__DEV__} from '../../config';
import {createHashMap, isString, isArray, each, assert} from 'zrender/src/core/util';
import {parseXML} from 'zrender/src/tool/parseSVG';
var storage = createHashMap();
// For minimize the code size of common echarts package,
// do not put too much logic in this module.
export default {
// The format of record: see `echarts.registerMap`.
// Compatible with previous `echarts.registerMap`.
registerMap: function (mapName, rawGeoJson, rawSpecialAreas) {
var records;
if (isArray(rawGeoJson)) {
records = rawGeoJson;
}
else if (rawGeoJson.svg) {
records = [{
type: 'svg',
source: rawGeoJson.svg,
specialAreas: rawGeoJson.specialAreas
}];
}
else {
// Backward compatibility.
if (rawGeoJson.geoJson && !rawGeoJson.features) {
rawSpecialAreas = rawGeoJson.specialAreas;
rawGeoJson = rawGeoJson.geoJson;
}
records = [{
type: 'geoJSON',
source: rawGeoJson,
specialAreas: rawSpecialAreas
}];
}
each(records, function (record) {
var type = record.type;
type === 'geoJson' && (type = record.type = 'geoJSON');
var parse = parsers[type];
if (__DEV__) {
assert(parse, 'Illegal map type: ' + type);
}
parse(record);
});
return storage.set(mapName, records);
},
retrieveMap: function (mapName) {
return storage.get(mapName);
}
};
var parsers = {
geoJSON: function (record) {
var source = record.source;
record.geoJSON = !isString(source)
? source
: (typeof JSON !== 'undefined' && JSON.parse)
? JSON.parse(source)
: (new Function('return (' + source + ');'))();
},
// Only perform parse to XML object here, which might be time
// consiming for large SVG.
// Although convert XML to zrender element is also time consiming,
// if we do it here, the clone of zrender elements has to be
// required. So we do it once for each geo instance, util real
// performance issues call for optimizing it.
svg: function (record) {
record.svgXML = parseXML(record.source);
}
};
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