wisemapping-frontend/packages/mindplot/src/components/PersistenceManager.js
2021-12-30 15:03:59 -08:00

81 lines
2.6 KiB
JavaScript

/* eslint-disable no-unused-vars */
/*
* Copyright [2021] [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.
*/
import { $assert } from '@wisemapping/core-js';
import XMLSerializerFactory from './persistence/XMLSerializerFactory';
class PersistenceManager {
save(mindmap, editorProperties, saveHistory, events, sync) {
$assert(mindmap, 'mindmap can not be null');
$assert(editorProperties, 'editorProperties can not be null');
const mapId = mindmap.getId();
$assert(mapId, 'mapId can not be null');
const serializer = XMLSerializerFactory.getSerializerFromMindmap(mindmap);
const domMap = serializer.toXML(mindmap);
const mapXml = new XMLSerializer().serializeToString(domMap);
const pref = JSON.stringify(editorProperties);
try {
this.saveMapXml(mapId, mapXml, pref, saveHistory, events, sync);
} catch (e) {
console.error(e);
events.onError(this._buildError());
}
}
load(mapId) {
$assert(mapId, 'mapId can not be null');
const domDocument = this.loadMapDom(mapId);
return PersistenceManager.loadFromDom(mapId, domDocument);
}
discardChanges(mapId) {
throw new Error('Method must be implemented');
}
loadMapDom(mapId) {
throw new Error('Method must be implemented');
}
saveMapXml(mapId, mapXml, pref, saveHistory, events, sync) {
throw new Error('Method must be implemented');
}
unlockMap(mindmap) {
throw new Error('Method must be implemented');
}
}
PersistenceManager.init = (instance) => {
PersistenceManager._instance = instance;
};
PersistenceManager.getInstance = () => PersistenceManager._instance;
PersistenceManager.loadFromDom = function loadFromDom(mapId, mapDom) {
$assert(mapId, 'mapId can not be null');
$assert(mapDom, 'mapDom can not be null');
const serializer = XMLSerializerFactory.getSerializerFromDocument(mapDom);
return serializer.loadFromDom(mapDom, mapId);
};
export default PersistenceManager;