mirror of
https://bitbucket.org/wisemapping/wisemapping-frontend.git
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102 lines
3.2 KiB
TypeScript
102 lines
3.2 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 { Mindmap } from '../..';
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import EmojiIconModel from '../model/EmojiIconModel';
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import INodeModel from '../model/INodeModel';
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import LinkModel from '../model/LinkModel';
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import NoteModel from '../model/NoteModel';
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import Exporter from './Exporter';
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class MDExporter extends Exporter {
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private mindmap: Mindmap;
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private footNotes: string[] = [];
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constructor(mindmap: Mindmap) {
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super('md', 'text/markdown');
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this.mindmap = mindmap;
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}
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private normalizeText(value: string): string {
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return value.replace('\n', '');
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}
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export(): Promise<string> {
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this.footNotes = [];
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// Add cental node as text ...
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const centralTopic = this.mindmap.getCentralTopic();
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const centralTopicText = centralTopic.getText();
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let result = '';
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if (centralTopicText) {
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const centralText = this.normalizeText(centralTopicText);
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// Traverse all the branches ...
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result = `# ${centralText}\n\n`;
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result += this.traverseBranch('', centralTopic.getChildren());
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// White footnotes:
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if (this.footNotes.length > 0) {
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result += '\n\n\n';
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this.footNotes.forEach((note, index) => {
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result += `[^${index + 1}]: ${this.normalizeText(note)}`;
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});
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}
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result += '\n';
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}
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return Promise.resolve(result);
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}
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private traverseBranch(prefix: string, branches: Array<INodeModel>) {
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let result = '';
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branches
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.filter((n) => n.getText() !== undefined)
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.forEach((node) => {
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// Convert icons to list ...
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const icons = node.getFeatures().filter((f) => f.getType() === 'eicon');
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let iconStr = ' ';
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if (icons.length > 0) {
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iconStr = ` ${icons.map((icon) => (icon as EmojiIconModel).getIconType()).toString()} `;
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}
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result = `${result}${prefix}-${iconStr}${node.getText()}`;
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node.getFeatures().forEach((f) => {
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const type = f.getType();
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// Dump all features ...
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if (type === 'link') {
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result = `${result} ( [link](${(f as LinkModel).getUrl()}) )`;
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}
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if (type === 'note') {
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const note = f as NoteModel;
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this.footNotes.push(note.getText());
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result = `${result}[^${this.footNotes.length}] `;
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}
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});
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result = `${result}\n`;
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if (node.getChildren().filter((n) => n.getText() !== null).length > 0) {
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result += this.traverseBranch(`${prefix}\t`, node.getChildren());
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}
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});
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return result;
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}
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}
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export default MDExporter;
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