wisemapping-frontend/packages/mindplot/lib/components/LocalStorageManager.js

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/*
* Copyright [2015] [wisemapping]
*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* 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.
*/
const PersistenceManager = require('./PersistenceManager').default;
const LocalStorageManager = new Class({
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Extends: PersistenceManager,
initialize(documentUrl, forceLoad) {
this.parent();
this.documentUrl = documentUrl;
this.forceLoad = forceLoad;
},
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saveMapXml(mapId, mapXml, pref, saveHistory, events) {
localStorage.setItem(`${mapId}-xml`, mapXml);
},
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discardChanges(mapId) {
localStorage.removeItem(`${mapId}-xml`);
},
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loadMapDom(mapId) {
let xml = localStorage.getItem(`${mapId}-xml`);
if (xml == null || this.forceLoad) {
$.ajax({
url: this.documentUrl.replace('{id}', mapId),
headers: { 'Content-Type': 'text/plain', Accept: 'application/xml' },
type: 'get',
dataType: 'text',
async: false,
success(response) {
xml = response;
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},
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});
// If I could not load it from a file, hard code one.
if (xml == null) {
throw new Error('Map could not be loaded');
}
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}
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return jQuery.parseXML(xml);
},
unlockMap(mindmap) {
// Ignore, no implementation required ...
},
});
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export default LocalStorageManager;