wisemapping-frontend/packages/mindplot/src/components/LocalStorageManager.ts
2022-07-13 01:45:36 +00:00

88 lines
2.6 KiB
TypeScript

/*
* 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 $ from 'jquery';
import PersistenceManager from './PersistenceManager';
class LocalStorageManager extends PersistenceManager {
private documentUrl: string;
private forceLoad: boolean;
private readOnly: boolean;
constructor(documentUrl: string, forceLoad: boolean, readOnly = true) {
super();
this.documentUrl = documentUrl;
this.forceLoad = forceLoad;
this.readOnly = readOnly;
}
saveMapXml(mapId: string, mapDoc: Document, _pref: string, _saveHistory: boolean, events): void {
const mapXml = new XMLSerializer().serializeToString(mapDoc);
if (!this.readOnly) {
localStorage.setItem(`${mapId}-xml`, mapXml);
events.onSuccess();
}
console.log(`Map XML to save => ${mapXml}`);
}
discardChanges(mapId: string) {
if (!this.readOnly) {
localStorage.removeItem(`${mapId}-xml`);
}
}
loadMapDom(mapId: string) {
let xml;
if (!this.readOnly) {
xml = localStorage.getItem(`${mapId}-xml`);
}
if (xml == null || this.forceLoad) {
$.ajax({
url: this.documentUrl.replace('{id}', mapId),
headers: {
'Content-Type': 'text/plain',
Accept: 'application/xml',
'X-CSRF-Token': this.getCSRFToken(),
},
type: 'get',
dataType: 'text',
async: false,
success(response) {
xml = response;
},
error(xhr, ajaxOptions, thrownError) {
console.error(`Request error => status:${xhr.status} ,thrownError: ${thrownError}`);
},
});
// If I could not load it from a file, hard code one.
if (xml == null) {
throw new Error(`Map could not be loaded with id:${mapId}`);
}
}
return $.parseXML(xml);
}
unlockMap(): void {
// Ignore, no implementation required ...
}
}
export default LocalStorageManager;