b01bbf9c89
Provides a way for users to actually delte their user drafts where required. For #3927 Added test to cover new endpoint. Makes update to MD editor #setText so that new selection is within new range, otherwise it errors and fails operation.
553 lines
19 KiB
JavaScript
553 lines
19 KiB
JavaScript
import * as DrawIO from '../services/drawio';
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export class Actions {
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/**
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* @param {MarkdownEditor} editor
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*/
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constructor(editor) {
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this.editor = editor;
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this.lastContent = {
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html: '',
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markdown: '',
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};
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}
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updateAndRender() {
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const content = this.#getText();
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this.editor.config.inputEl.value = content;
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const html = this.editor.markdown.render(content);
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window.$events.emit('editor-html-change', '');
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window.$events.emit('editor-markdown-change', '');
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this.lastContent.html = html;
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this.lastContent.markdown = content;
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this.editor.display.patchWithHtml(html);
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}
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getContent() {
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return this.lastContent;
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}
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showImageInsert() {
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/** @type {ImageManager} * */
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const imageManager = window.$components.first('image-manager');
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imageManager.show(image => {
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const imageUrl = image.thumbs.display || image.url;
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const selectedText = this.#getSelectionText();
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const newText = `[![${selectedText || image.name}](${imageUrl})](${image.url})`;
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this.#replaceSelection(newText, newText.length);
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}, 'gallery');
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}
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insertImage() {
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const newText = `![${this.#getSelectionText()}](http://)`;
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this.#replaceSelection(newText, newText.length - 1);
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}
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insertLink() {
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const selectedText = this.#getSelectionText();
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const newText = `[${selectedText}]()`;
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const cursorPosDiff = (selectedText === '') ? -3 : -1;
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this.#replaceSelection(newText, newText.length + cursorPosDiff);
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}
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showImageManager() {
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const selectionRange = this.#getSelectionRange();
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/** @type {ImageManager} * */
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const imageManager = window.$components.first('image-manager');
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imageManager.show(image => {
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this.#insertDrawing(image, selectionRange);
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}, 'drawio');
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}
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// Show the popup link selector and insert a link when finished
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showLinkSelector() {
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const selectionRange = this.#getSelectionRange();
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/** @type {EntitySelectorPopup} * */
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const selector = window.$components.first('entity-selector-popup');
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selector.show(entity => {
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const selectedText = this.#getSelectionText(selectionRange) || entity.name;
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const newText = `[${selectedText}](${entity.link})`;
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this.#replaceSelection(newText, newText.length, selectionRange);
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});
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}
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// Show draw.io if enabled and handle save.
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startDrawing() {
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const url = this.editor.config.drawioUrl;
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if (!url) return;
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const selectionRange = this.#getSelectionRange();
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DrawIO.show(url, () => Promise.resolve(''), pngData => {
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const data = {
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image: pngData,
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uploaded_to: Number(this.editor.config.pageId),
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};
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window.$http.post('/images/drawio', data).then(resp => {
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this.#insertDrawing(resp.data, selectionRange);
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DrawIO.close();
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}).catch(err => {
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this.handleDrawingUploadError(err);
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});
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});
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}
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#insertDrawing(image, originalSelectionRange) {
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const newText = `<div drawio-diagram="${image.id}"><img src="${image.url}"></div>`;
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this.#replaceSelection(newText, newText.length, originalSelectionRange);
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}
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// Show draw.io if enabled and handle save.
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editDrawing(imgContainer) {
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const {drawioUrl} = this.editor.config;
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if (!drawioUrl) {
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return;
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}
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const selectionRange = this.#getSelectionRange();
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const drawingId = imgContainer.getAttribute('drawio-diagram');
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DrawIO.show(drawioUrl, () => DrawIO.load(drawingId), pngData => {
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const data = {
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image: pngData,
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uploaded_to: Number(this.editor.config.pageId),
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};
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window.$http.post('/images/drawio', data).then(resp => {
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const newText = `<div drawio-diagram="${resp.data.id}"><img src="${resp.data.url}"></div>`;
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const newContent = this.#getText().split('\n').map(line => {
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if (line.indexOf(`drawio-diagram="${drawingId}"`) !== -1) {
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return newText;
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}
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return line;
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}).join('\n');
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this.#setText(newContent, selectionRange);
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DrawIO.close();
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}).catch(err => {
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this.handleDrawingUploadError(err);
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});
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});
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}
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handleDrawingUploadError(error) {
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if (error.status === 413) {
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window.$events.emit('error', this.editor.config.text.serverUploadLimit);
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} else {
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window.$events.emit('error', this.editor.config.text.imageUploadError);
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}
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console.error(error);
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}
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// Make the editor full screen
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fullScreen() {
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const {container} = this.editor.config;
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const alreadyFullscreen = container.classList.contains('fullscreen');
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container.classList.toggle('fullscreen', !alreadyFullscreen);
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document.body.classList.toggle('markdown-fullscreen', !alreadyFullscreen);
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}
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// Scroll to a specified text
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scrollToText(searchText) {
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if (!searchText) {
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return;
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}
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const text = this.editor.cm.state.doc;
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let lineCount = 1;
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let scrollToLine = -1;
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for (const line of text.iterLines()) {
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if (line.includes(searchText)) {
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scrollToLine = lineCount;
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break;
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}
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lineCount += 1;
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}
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if (scrollToLine === -1) {
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return;
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}
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const line = text.line(scrollToLine);
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this.#setSelection(line.from, line.to, true);
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this.focus();
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}
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focus() {
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if (!this.editor.cm.hasFocus) {
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this.editor.cm.focus();
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}
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}
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/**
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* Insert content into the editor.
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* @param {String} content
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*/
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insertContent(content) {
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this.#replaceSelection(content, content.length);
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}
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/**
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* Prepend content to the editor.
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* @param {String} content
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*/
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prependContent(content) {
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content = this.#cleanTextForEditor(content);
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const selectionRange = this.#getSelectionRange();
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const selectFrom = selectionRange.from + content.length + 1;
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this.#dispatchChange(0, 0, `${content}\n`, selectFrom);
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this.focus();
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}
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/**
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* Append content to the editor.
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* @param {String} content
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*/
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appendContent(content) {
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content = this.#cleanTextForEditor(content);
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this.#dispatchChange(this.editor.cm.state.doc.length, `\n${content}`);
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this.focus();
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}
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/**
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* Replace the editor's contents
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* @param {String} content
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*/
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replaceContent(content) {
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this.#setText(content);
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}
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/**
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* Replace the start of the line
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* @param {String} newStart
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*/
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replaceLineStart(newStart) {
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const selectionRange = this.#getSelectionRange();
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const line = this.editor.cm.state.doc.lineAt(selectionRange.from);
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const lineContent = line.text;
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const lineStart = lineContent.split(' ')[0];
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// Remove symbol if already set
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if (lineStart === newStart) {
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const newLineContent = lineContent.replace(`${newStart} `, '');
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const selectFrom = selectionRange.from + (newLineContent.length - lineContent.length);
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this.#dispatchChange(line.from, line.to, newLineContent, selectFrom);
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return;
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}
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let newLineContent = lineContent;
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const alreadySymbol = /^[#>`]/.test(lineStart);
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if (alreadySymbol) {
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newLineContent = lineContent.replace(lineStart, newStart).trim();
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} else if (newStart !== '') {
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newLineContent = `${newStart} ${lineContent}`;
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}
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const selectFrom = selectionRange.from + (newLineContent.length - lineContent.length);
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this.#dispatchChange(line.from, line.to, newLineContent, selectFrom);
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}
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/**
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* Wrap the selection in the given contents start and end contents.
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* @param {String} start
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* @param {String} end
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*/
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wrapSelection(start, end) {
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const selectRange = this.#getSelectionRange();
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const selectionText = this.#getSelectionText(selectRange);
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if (!selectionText) {
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this.#wrapLine(start, end);
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return;
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}
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let newSelectionText = selectionText;
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let newRange;
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if (selectionText.startsWith(start) && selectionText.endsWith(end)) {
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newSelectionText = selectionText.slice(start.length, selectionText.length - end.length);
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newRange = selectRange.extend(selectRange.from, selectRange.to - (start.length + end.length));
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} else {
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newSelectionText = `${start}${selectionText}${end}`;
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newRange = selectRange.extend(selectRange.from, selectRange.to + (start.length + end.length));
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}
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this.#dispatchChange(
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selectRange.from,
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selectRange.to,
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newSelectionText,
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newRange.anchor,
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newRange.head,
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);
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}
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replaceLineStartForOrderedList() {
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const selectionRange = this.#getSelectionRange();
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const line = this.editor.cm.state.doc.lineAt(selectionRange.from);
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const prevLine = this.editor.cm.state.doc.line(line.number - 1);
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const listMatch = prevLine.text.match(/^(\s*)(\d)([).])\s/) || [];
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const number = (Number(listMatch[2]) || 0) + 1;
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const whiteSpace = listMatch[1] || '';
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const listMark = listMatch[3] || '.';
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const prefix = `${whiteSpace}${number}${listMark}`;
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return this.replaceLineStart(prefix);
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}
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/**
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* Cycles through the type of callout block within the selection.
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* Creates a callout block if none existing, and removes it if cycling past the danger type.
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*/
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cycleCalloutTypeAtSelection() {
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const selectionRange = this.#getSelectionRange();
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const line = this.editor.cm.state.doc.lineAt(selectionRange.from);
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const formats = ['info', 'success', 'warning', 'danger'];
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const joint = formats.join('|');
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const regex = new RegExp(`class="((${joint})\\s+callout|callout\\s+(${joint}))"`, 'i');
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const matches = regex.exec(line.text);
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const format = (matches ? (matches[2] || matches[3]) : '').toLowerCase();
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if (format === formats[formats.length - 1]) {
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this.#wrapLine(`<p class="callout ${formats[formats.length - 1]}">`, '</p>');
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} else if (format === '') {
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this.#wrapLine('<p class="callout info">', '</p>');
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} else {
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const newFormatIndex = formats.indexOf(format) + 1;
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const newFormat = formats[newFormatIndex];
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const newContent = line.text.replace(matches[0], matches[0].replace(format, newFormat));
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const lineDiff = newContent.length - line.text.length;
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this.#dispatchChange(
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line.from,
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line.to,
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newContent,
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selectionRange.anchor + lineDiff,
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selectionRange.head + lineDiff,
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);
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}
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}
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syncDisplayPosition(event) {
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// Thanks to http://liuhao.im/english/2015/11/10/the-sync-scroll-of-markdown-editor-in-javascript.html
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const scrollEl = event.target;
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const atEnd = Math.abs(scrollEl.scrollHeight - scrollEl.clientHeight - scrollEl.scrollTop) < 1;
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if (atEnd) {
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this.editor.display.scrollToIndex(-1);
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return;
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}
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const blockInfo = this.editor.cm.lineBlockAtHeight(scrollEl.scrollTop);
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const range = this.editor.cm.state.sliceDoc(0, blockInfo.from);
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const parser = new DOMParser();
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const doc = parser.parseFromString(this.editor.markdown.render(range), 'text/html');
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const totalLines = doc.documentElement.querySelectorAll('body > *');
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this.editor.display.scrollToIndex(totalLines.length);
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}
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/**
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* Fetch and insert the template of the given ID.
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* The page-relative position provided can be used to determine insert location if possible.
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* @param {String} templateId
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* @param {Number} posX
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* @param {Number} posY
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*/
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async insertTemplate(templateId, posX, posY) {
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const cursorPos = this.editor.cm.posAtCoords({x: posX, y: posY}, false);
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const {data} = await window.$http.get(`/templates/${templateId}`);
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const content = data.markdown || data.html;
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this.#dispatchChange(cursorPos, cursorPos, content, cursorPos);
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}
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/**
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* Insert multiple images from the clipboard from an event at the provided
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* screen coordinates (Typically form a paste event).
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* @param {File[]} images
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* @param {Number} posX
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* @param {Number} posY
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*/
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insertClipboardImages(images, posX, posY) {
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const cursorPos = this.editor.cm.posAtCoords({x: posX, y: posY}, false);
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for (const image of images) {
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this.uploadImage(image, cursorPos);
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}
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}
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/**
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* Handle image upload and add image into markdown content
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* @param {File} file
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* @param {?Number} position
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*/
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async uploadImage(file, position = null) {
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if (file === null || file.type.indexOf('image') !== 0) return;
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let ext = 'png';
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if (position === null) {
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position = this.#getSelectionRange().from;
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}
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if (file.name) {
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const fileNameMatches = file.name.match(/\.(.+)$/);
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if (fileNameMatches.length > 1) ext = fileNameMatches[1];
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}
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// Insert image into markdown
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const id = `image-${Math.random().toString(16).slice(2)}`;
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const placeholderImage = window.baseUrl(`/loading.gif#upload${id}`);
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const placeHolderText = `![](${placeholderImage})`;
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this.#dispatchChange(position, position, placeHolderText, position);
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const remoteFilename = `image-${Date.now()}.${ext}`;
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const formData = new FormData();
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formData.append('file', file, remoteFilename);
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formData.append('uploaded_to', this.editor.config.pageId);
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try {
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const {data} = await window.$http.post('/images/gallery', formData);
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const newContent = `[![](${data.thumbs.display})](${data.url})`;
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this.#findAndReplaceContent(placeHolderText, newContent);
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} catch (err) {
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window.$events.emit('error', this.editor.config.text.imageUploadError);
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this.#findAndReplaceContent(placeHolderText, '');
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console.error(err);
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}
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}
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/**
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* Get the current text of the editor instance.
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* @return {string}
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*/
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#getText() {
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return this.editor.cm.state.doc.toString();
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}
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/**
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* Set the text of the current editor instance.
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* @param {String} text
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* @param {?SelectionRange} selectionRange
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*/
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#setText(text, selectionRange = null) {
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selectionRange = selectionRange || this.#getSelectionRange();
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const newDoc = this.editor.cm.state.toText(text);
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const newSelectFrom = Math.min(selectionRange.from, newDoc.length);
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this.#dispatchChange(0, this.editor.cm.state.doc.length, text, newSelectFrom);
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this.focus();
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}
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/**
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* Replace the current selection and focus the editor.
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* Takes an offset for the cursor, after the change, relative to the start of the provided string.
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* Can be provided a selection range to use instead of the current selection range.
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* @param {String} newContent
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* @param {Number} cursorOffset
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* @param {?SelectionRange} selectionRange
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*/
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#replaceSelection(newContent, cursorOffset = 0, selectionRange = null) {
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selectionRange = selectionRange || this.editor.cm.state.selection.main;
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const selectFrom = selectionRange.from + cursorOffset;
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this.#dispatchChange(selectionRange.from, selectionRange.to, newContent, selectFrom);
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this.focus();
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}
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/**
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* Get the text content of the main current selection.
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* @param {SelectionRange} selectionRange
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* @return {string}
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*/
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#getSelectionText(selectionRange = null) {
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selectionRange = selectionRange || this.#getSelectionRange();
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return this.editor.cm.state.sliceDoc(selectionRange.from, selectionRange.to);
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}
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/**
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* Get the range of the current main selection.
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* @return {SelectionRange}
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*/
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#getSelectionRange() {
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return this.editor.cm.state.selection.main;
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}
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/**
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* Cleans the given text to work with the editor.
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* Standardises line endings to what's expected.
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* @param {String} text
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* @return {String}
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*/
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#cleanTextForEditor(text) {
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return text.replace(/\r\n|\r/g, '\n');
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}
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/**
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* Find and replace the first occurrence of [search] with [replace]
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* @param {String} search
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* @param {String} replace
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*/
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#findAndReplaceContent(search, replace) {
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const newText = this.#getText().replace(search, replace);
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this.#setText(newText);
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}
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/**
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* Wrap the line in the given start and end contents.
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* @param {String} start
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* @param {String} end
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*/
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#wrapLine(start, end) {
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const selectionRange = this.#getSelectionRange();
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const line = this.editor.cm.state.doc.lineAt(selectionRange.from);
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const lineContent = line.text;
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let newLineContent;
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let lineOffset = 0;
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if (lineContent.startsWith(start) && lineContent.endsWith(end)) {
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newLineContent = lineContent.slice(start.length, lineContent.length - end.length);
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lineOffset = -(start.length);
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} else {
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newLineContent = `${start}${lineContent}${end}`;
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lineOffset = start.length;
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}
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this.#dispatchChange(line.from, line.to, newLineContent, selectionRange.from + lineOffset);
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}
|
|
|
|
/**
|
|
* Dispatch changes to the editor.
|
|
* @param {Number} from
|
|
* @param {?Number} to
|
|
* @param {?String} text
|
|
* @param {?Number} selectFrom
|
|
* @param {?Number} selectTo
|
|
*/
|
|
#dispatchChange(from, to = null, text = null, selectFrom = null, selectTo = null) {
|
|
const tr = {changes: {from, to, insert: text}};
|
|
|
|
if (selectFrom) {
|
|
tr.selection = {anchor: selectFrom};
|
|
if (selectTo) {
|
|
tr.selection.head = selectTo;
|
|
}
|
|
}
|
|
|
|
this.editor.cm.dispatch(tr);
|
|
}
|
|
|
|
/**
|
|
* Set the current selection range.
|
|
* Optionally will scroll the new range into view.
|
|
* @param {Number} from
|
|
* @param {Number} to
|
|
* @param {Boolean} scrollIntoView
|
|
*/
|
|
#setSelection(from, to, scrollIntoView = false) {
|
|
this.editor.cm.dispatch({
|
|
selection: {anchor: from, head: to},
|
|
scrollIntoView,
|
|
});
|
|
}
|
|
|
|
}
|