mirror of
https://bitbucket.org/wisemapping/wisemapping-frontend.git
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87 lines
2.7 KiB
TypeScript
87 lines
2.7 KiB
TypeScript
/*
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* Copyright [2021] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import PersistenceManager from './PersistenceManager';
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class LocalStorageManager extends PersistenceManager {
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private documentUrl: string;
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private forceLoad: boolean;
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private readOnly: boolean;
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constructor(documentUrl: string, forceLoad: boolean, readOnly = true) {
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super();
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this.documentUrl = documentUrl;
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this.forceLoad = forceLoad;
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this.readOnly = readOnly;
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}
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saveMapXml(mapId: string, mapDoc: Document, _pref: string, _saveHistory: boolean, events): void {
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const mapXml = new XMLSerializer().serializeToString(mapDoc);
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if (!this.readOnly) {
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localStorage.setItem(`${mapId}-xml`, mapXml);
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events.onSuccess();
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}
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console.log(`Map XML to save => ${mapXml}`);
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}
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discardChanges(mapId: string) {
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if (!this.readOnly) {
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localStorage.removeItem(`${mapId}-xml`);
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}
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}
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loadMapDom(mapId: string): Promise<Document> {
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let result: Promise<Document>;
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let localStorate;
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if (!this.readOnly) {
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localStorate = localStorage.getItem(`${mapId}-xml`);
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}
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if (localStorate == null || this.forceLoad) {
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const url = this.documentUrl.replace('{id}', mapId);
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result = fetch(url, {
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method: 'get',
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headers: {
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'Content-Type': 'text/plain',
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Accept: 'application/xml',
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'X-CSRF-Token': this.getCSRFToken(),
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},
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})
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.then((response: Response) => {
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if (!response.ok) {
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console.error(`load error: ${response.status}`);
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throw new Error(`load error: ${response.status}, ${response.statusText}`);
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}
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return response.text();
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})
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.then((xmlStr) => new DOMParser().parseFromString(xmlStr, 'text/xml'));
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} else {
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const doc = new DOMParser().parseFromString(localStorate, 'text/xml');
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result = Promise.resolve(doc);
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}
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return result;
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}
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unlockMap(): void {
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// Ignore, no implementation required ...
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}
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}
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export default LocalStorageManager;
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