-import MarkdownIt from "markdown-it";
-import mdTasksLists from 'markdown-it-task-lists';
-import Clipboard from "../services/clipboard";
import {debounce} from "../services/util";
-import {patchDomFromHtmlString} from "../services/vdom";
-import DrawIO from "../services/drawio";
import {Component} from "./component";
+import {init as initEditor} from "../markdown/editor";
export class MarkdownEditor extends Component {
this.imageUploadErrorText = this.$opts.imageUploadErrorText;
this.serverUploadLimitText = this.$opts.serverUploadLimitText;
- this.markdown = new MarkdownIt({html: true});
- this.markdown.use(mdTasksLists, {label: true});
+ this.display = this.$refs.display;
+ this.input = this.$refs.input;
- this.display = this.elem.querySelector('.markdown-display');
-
- this.displayStylesLoaded = false;
- this.input = this.elem.querySelector('textarea');
-
- this.cm = null;
- this.Code = null;
- const cmLoadPromise = window.importVersioned('code').then(Code => {
- this.cm = Code.markdownEditor(this.input);
- this.Code = Code;
- return this.cm;
+ this.editor = null;
+ initEditor({
+ pageId: this.pageId,
+ container: this.elem,
+ displayEl: this.display,
+ inputEl: this.input,
+ drawioUrl: this.getDrawioUrl(),
+ text: {
+ serverUploadLimit: this.serverUploadLimitText,
+ imageUploadError: this.imageUploadErrorText,
+ }
+ }).then(editor => {
+ this.editor = editor;
+ this.setupListeners();
+ this.emitEditorEvents();
+ this.scrollToTextIfNeeded();
+ this.editor.actions.updateAndRender();
});
+ }
- this.onMarkdownScroll = this.onMarkdownScroll.bind(this);
-
- const displayLoad = () => {
- this.displayDoc = this.display.contentDocument;
- this.init(cmLoadPromise);
- };
-
- if (this.display.contentDocument.readyState === 'complete') {
- displayLoad();
- } else {
- this.display.addEventListener('load', displayLoad.bind(this));
- }
-
+ emitEditorEvents() {
window.$events.emitPublic(this.elem, 'editor-markdown::setup', {
- markdownIt: this.markdown,
+ markdownIt: this.editor.markdown.getRenderer(),
displayEl: this.display,
- codeMirrorInstance: this.cm,
+ codeMirrorInstance: this.editor.cm,
});
}
- init(cmLoadPromise) {
-
- let lastClick = 0;
-
- // Prevent markdown display link click redirect
- this.displayDoc.addEventListener('click', event => {
- let isDblClick = Date.now() - lastClick < 300;
-
- let link = event.target.closest('a');
- if (link !== null) {
- event.preventDefault();
- window.open(link.getAttribute('href'));
- return;
- }
-
- let drawing = event.target.closest('[drawio-diagram]');
- if (drawing !== null && isDblClick) {
- this.actionEditDrawing(drawing);
- return;
- }
-
- lastClick = Date.now();
- });
+ setupListeners() {
// Button actions
this.elem.addEventListener('click', event => {
let button = event.target.closest('button[data-action]');
if (button === null) return;
- let action = button.getAttribute('data-action');
- if (action === 'insertImage') this.actionInsertImage();
- if (action === 'insertLink') this.actionShowLinkSelector();
+ const action = button.getAttribute('data-action');
+ if (action === 'insertImage') this.editor.actions.insertImage();
+ if (action === 'insertLink') this.editor.actions.showLinkSelector();
if (action === 'insertDrawing' && (event.ctrlKey || event.metaKey)) {
- this.actionShowImageManager();
+ this.editor.actions.showImageManager();
return;
}
- if (action === 'insertDrawing') this.actionStartDrawing();
- if (action === 'fullscreen') this.actionFullScreen();
+ if (action === 'insertDrawing') this.editor.actions.startDrawing();
+ if (action === 'fullscreen') this.editor.actions.fullScreen();
});
// Mobile section toggling
if (!toolbarLabel) return;
const currentActiveSections = this.elem.querySelectorAll('.markdown-editor-wrap');
- for (let activeElem of currentActiveSections) {
+ for (const activeElem of currentActiveSections) {
activeElem.classList.remove('active');
}
toolbarLabel.closest('.markdown-editor-wrap').classList.add('active');
});
- cmLoadPromise.then(cm => {
- this.codeMirrorSetup(cm);
-
- // Refresh CodeMirror on container resize
- const resizeDebounced = debounce(() => this.Code.updateLayout(cm), 100, false);
- const observer = new ResizeObserver(resizeDebounced);
- observer.observe(this.elem);
- });
-
- this.listenForBookStackEditorEvents();
+ // Refresh CodeMirror on container resize
+ const resizeDebounced = debounce(() => this.editor.cm.refresh(), 100, false);
+ const observer = new ResizeObserver(resizeDebounced);
+ observer.observe(this.elem);
+ }
- // Scroll to text if needed.
+ scrollToTextIfNeeded() {
const queryParams = (new URL(window.location)).searchParams;
const scrollText = queryParams.get('content-text');
if (scrollText) {
- this.scrollToText(scrollText);
- }
- }
-
- // Update the input content and render the display.
- updateAndRender() {
- const content = this.cm.getValue();
- this.input.value = content;
-
- const html = this.markdown.render(content);
- window.$events.emit('editor-html-change', html);
- window.$events.emit('editor-markdown-change', content);
-
- // Set body content
- const target = this.getDisplayTarget();
- this.displayDoc.body.className = 'page-content';
- patchDomFromHtmlString(target, html);
-
- // Copy styles from page head and set custom styles for editor
- this.loadStylesIntoDisplay();
- }
-
- getDisplayTarget() {
- const body = this.displayDoc.body;
-
- if (body.children.length === 0) {
- const wrap = document.createElement('div');
- this.displayDoc.body.append(wrap);
- }
-
- return body.children[0];
- }
-
- loadStylesIntoDisplay() {
- if (this.displayStylesLoaded) return;
- this.displayDoc.documentElement.classList.add('markdown-editor-display');
- // Set display to be dark mode if parent is
-
- if (document.documentElement.classList.contains('dark-mode')) {
- this.displayDoc.documentElement.style.backgroundColor = '#222';
- this.displayDoc.documentElement.classList.add('dark-mode');
- }
-
- this.displayDoc.head.innerHTML = '';
- const styles = document.head.querySelectorAll('style,link[rel=stylesheet]');
- for (let style of styles) {
- const copy = style.cloneNode(true);
- this.displayDoc.head.appendChild(copy);
- }
-
- this.displayStylesLoaded = true;
- }
-
- onMarkdownScroll(lineCount) {
- const elems = this.displayDoc.body.children;
- if (elems.length <= lineCount) return;
-
- const topElem = (lineCount === -1) ? elems[elems.length-1] : elems[lineCount];
- topElem.scrollIntoView({ block: 'start', inline: 'nearest', behavior: 'smooth'});
- }
-
- codeMirrorSetup(cm) {
- const context = this;
-
- // Text direction
- // cm.setOption('direction', this.textDirection);
- cm.setOption('direction', 'ltr'); // Will force to remain as ltr for now due to issues when HTML is in editor.
- // Custom key commands
- let metaKey = this.Code.getMetaKey();
- const extraKeys = {};
- // Insert Image shortcut
- extraKeys[`${metaKey}-Alt-I`] = function(cm) {
- let selectedText = cm.getSelection();
- let newText = ``;
- let cursorPos = cm.getCursor('from');
- cm.replaceSelection(newText);
- cm.setCursor(cursorPos.line, cursorPos.ch + newText.length -1);
- };
- // Save draft
- extraKeys[`${metaKey}-S`] = cm => {window.$events.emit('editor-save-draft')};
- // Save page
- extraKeys[`${metaKey}-Enter`] = cm => {window.$events.emit('editor-save-page')};
- // Show link selector
- extraKeys[`Shift-${metaKey}-K`] = cm => {this.actionShowLinkSelector()};
- // Insert Link
- extraKeys[`${metaKey}-K`] = cm => {insertLink()};
- // FormatShortcuts
- extraKeys[`${metaKey}-1`] = cm => {replaceLineStart('##');};
- extraKeys[`${metaKey}-2`] = cm => {replaceLineStart('###');};
- extraKeys[`${metaKey}-3`] = cm => {replaceLineStart('####');};
- extraKeys[`${metaKey}-4`] = cm => {replaceLineStart('#####');};
- extraKeys[`${metaKey}-5`] = cm => {replaceLineStart('');};
- extraKeys[`${metaKey}-D`] = cm => {replaceLineStart('');};
- extraKeys[`${metaKey}-6`] = cm => {replaceLineStart('>');};
- extraKeys[`${metaKey}-Q`] = cm => {replaceLineStart('>');};
- extraKeys[`${metaKey}-7`] = cm => {wrapSelection('\n```\n', '\n```');};
- extraKeys[`${metaKey}-8`] = cm => {wrapSelection('`', '`');};
- extraKeys[`Shift-${metaKey}-E`] = cm => {wrapSelection('`', '`');};
- extraKeys[`${metaKey}-9`] = cm => {wrapSelection('<p class="callout info">', '</p>');};
- extraKeys[`${metaKey}-P`] = cm => {replaceLineStart('-')}
- extraKeys[`${metaKey}-O`] = cm => {replaceLineStartForOrderedList()}
- cm.setOption('extraKeys', extraKeys);
-
- // Update data on content change
- cm.on('change', (instance, changeObj) => {
- this.updateAndRender();
- });
-
- const onScrollDebounced = debounce((instance) => {
- // Thanks to http://liuhao.im/english/2015/11/10/the-sync-scroll-of-markdown-editor-in-javascript.html
- let scroll = instance.getScrollInfo();
- let atEnd = scroll.top + scroll.clientHeight === scroll.height;
- if (atEnd) {
- this.onMarkdownScroll(-1);
- return;
- }
-
- let lineNum = instance.lineAtHeight(scroll.top, 'local');
- let range = instance.getRange({line: 0, ch: null}, {line: lineNum, ch: null});
- let parser = new DOMParser();
- let doc = parser.parseFromString(this.markdown.render(range), 'text/html');
- let totalLines = doc.documentElement.querySelectorAll('body > *');
- this.onMarkdownScroll(totalLines.length);
- }, 100);
-
- // Handle scroll to sync display view
- cm.on('scroll', instance => {
- onScrollDebounced(instance);
- });
-
- // Handle image paste
- cm.on('paste', (cm, event) => {
- const clipboard = new Clipboard(event.clipboardData || event.dataTransfer);
-
- // Don't handle the event ourselves if no items exist of contains table-looking data
- if (!clipboard.hasItems() || clipboard.containsTabularData()) {
- return;
- }
-
- const images = clipboard.getImages();
- for (const image of images) {
- uploadImage(image);
- }
- });
-
- // Handle image & content drag n drop
- cm.on('drop', (cm, event) => {
-
- const templateId = event.dataTransfer.getData('bookstack/template');
- if (templateId) {
- const cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
- cm.setCursor(cursorPos);
- event.preventDefault();
- window.$http.get(`/templates/${templateId}`).then(resp => {
- const content = resp.data.markdown || resp.data.html;
- cm.replaceSelection(content);
- });
- }
-
- const clipboard = new Clipboard(event.dataTransfer);
- if (clipboard.hasItems() && clipboard.getImages().length > 0) {
- const cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
- cm.setCursor(cursorPos);
- event.stopPropagation();
- event.preventDefault();
- const images = clipboard.getImages();
- for (const image of images) {
- uploadImage(image);
- }
- }
-
- });
-
- // Helper to replace editor content
- function replaceContent(search, replace) {
- let text = cm.getValue();
- let cursor = cm.listSelections();
- cm.setValue(text.replace(search, replace));
- cm.setSelections(cursor);
- }
-
- // Helper to replace the start of the line
- function replaceLineStart(newStart) {
- let cursor = cm.getCursor();
- let lineContent = cm.getLine(cursor.line);
- let lineLen = lineContent.length;
- let lineStart = lineContent.split(' ')[0];
-
- // Remove symbol if already set
- if (lineStart === newStart) {
- lineContent = lineContent.replace(`${newStart} `, '');
- cm.replaceRange(lineContent, {line: cursor.line, ch: 0}, {line: cursor.line, ch: lineLen});
- cm.setCursor({line: cursor.line, ch: cursor.ch - (newStart.length + 1)});
- return;
- }
-
- let alreadySymbol = /^[#>`]/.test(lineStart);
- let posDif = 0;
- if (alreadySymbol) {
- posDif = newStart.length - lineStart.length;
- lineContent = lineContent.replace(lineStart, newStart).trim();
- } else if (newStart !== '') {
- posDif = newStart.length + 1;
- lineContent = newStart + ' ' + lineContent;
- }
- cm.replaceRange(lineContent, {line: cursor.line, ch: 0}, {line: cursor.line, ch: lineLen});
- cm.setCursor({line: cursor.line, ch: cursor.ch + posDif});
- }
-
- function wrapLine(start, end) {
- let cursor = cm.getCursor();
- let lineContent = cm.getLine(cursor.line);
- let lineLen = lineContent.length;
- let newLineContent = lineContent;
-
- if (lineContent.indexOf(start) === 0 && lineContent.slice(-end.length) === end) {
- newLineContent = lineContent.slice(start.length, lineContent.length - end.length);
- } else {
- newLineContent = `${start}${lineContent}${end}`;
- }
-
- cm.replaceRange(newLineContent, {line: cursor.line, ch: 0}, {line: cursor.line, ch: lineLen});
- cm.setCursor({line: cursor.line, ch: cursor.ch + start.length});
- }
-
- function wrapSelection(start, end) {
- let selection = cm.getSelection();
- if (selection === '') return wrapLine(start, end);
-
- let newSelection = selection;
- let frontDiff = 0;
- let endDiff = 0;
-
- if (selection.indexOf(start) === 0 && selection.slice(-end.length) === end) {
- newSelection = selection.slice(start.length, selection.length - end.length);
- endDiff = -(end.length + start.length);
- } else {
- newSelection = `${start}${selection}${end}`;
- endDiff = start.length + end.length;
- }
-
- let selections = cm.listSelections()[0];
- cm.replaceSelection(newSelection);
- let headFirst = selections.head.ch <= selections.anchor.ch;
- selections.head.ch += headFirst ? frontDiff : endDiff;
- selections.anchor.ch += headFirst ? endDiff : frontDiff;
- cm.setSelections([selections]);
- }
-
- function replaceLineStartForOrderedList() {
- const cursor = cm.getCursor();
- const prevLineContent = cm.getLine(cursor.line - 1) || '';
- const listMatch = prevLineContent.match(/^(\s*)(\d)([).])\s/) || [];
-
- const number = (Number(listMatch[2]) || 0) + 1;
- const whiteSpace = listMatch[1] || '';
- const listMark = listMatch[3] || '.'
-
- const prefix = `${whiteSpace}${number}${listMark}`;
- return replaceLineStart(prefix);
- }
-
- // Handle image upload and add image into markdown content
- function uploadImage(file) {
- if (file === null || file.type.indexOf('image') !== 0) return;
- let ext = 'png';
-
- if (file.name) {
- let fileNameMatches = file.name.match(/\.(.+)$/);
- if (fileNameMatches.length > 1) ext = fileNameMatches[1];
- }
-
- // Insert image into markdown
- const id = "image-" + Math.random().toString(16).slice(2);
- const placeholderImage = window.baseUrl(`/loading.gif#upload${id}`);
- const selectedText = cm.getSelection();
- const placeHolderText = ``;
- const cursor = cm.getCursor();
- cm.replaceSelection(placeHolderText);
- cm.setCursor({line: cursor.line, ch: cursor.ch + selectedText.length + 3});
-
- const remoteFilename = "image-" + Date.now() + "." + ext;
- const formData = new FormData();
- formData.append('file', file, remoteFilename);
- formData.append('uploaded_to', context.pageId);
-
- window.$http.post('/images/gallery', formData).then(resp => {
- const newContent = `[](${resp.data.url})`;
- replaceContent(placeHolderText, newContent);
- }).catch(err => {
- window.$events.emit('error', context.imageUploadErrorText);
- replaceContent(placeHolderText, selectedText);
- console.log(err);
- });
+ this.editor.actions.scrollToText(scrollText);
}
-
- function insertLink() {
- let cursorPos = cm.getCursor('from');
- let selectedText = cm.getSelection() || '';
- let newText = `[${selectedText}]()`;
- cm.focus();
- cm.replaceSelection(newText);
- let cursorPosDiff = (selectedText === '') ? -3 : -1;
- cm.setCursor(cursorPos.line, cursorPos.ch + newText.length+cursorPosDiff);
- }
-
- this.updateAndRender();
- }
-
- actionInsertImage() {
- const cursorPos = this.cm.getCursor('from');
- /** @type {ImageManager} **/
- const imageManager = window.$components.first('image-manager');
- imageManager.show(image => {
- const imageUrl = image.thumbs.display || image.url;
- let selectedText = this.cm.getSelection();
- let newText = "[![" + (selectedText || image.name) + "](" + imageUrl + ")](" + image.url + ")";
- this.cm.focus();
- this.cm.replaceSelection(newText);
- this.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
- }, 'gallery');
- }
-
- actionShowImageManager() {
- const cursorPos = this.cm.getCursor('from');
- /** @type {ImageManager} **/
- const imageManager = window.$components.first('image-manager');
- imageManager.show(image => {
- this.insertDrawing(image, cursorPos);
- }, 'drawio');
- }
-
- // Show the popup link selector and insert a link when finished
- actionShowLinkSelector() {
- const cursorPos = this.cm.getCursor('from');
- /** @type {EntitySelectorPopup} **/
- const selector = window.$components.first('entity-selector-popup');
- selector.show(entity => {
- let selectedText = this.cm.getSelection() || entity.name;
- let newText = `[${selectedText}](${entity.link})`;
- this.cm.focus();
- this.cm.replaceSelection(newText);
- this.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
- });
}
+ /**
+ * Get the URL for the configured drawio instance.
+ * @returns {String}
+ */
getDrawioUrl() {
- const drawioUrlElem = document.querySelector('[drawio-url]');
- return drawioUrlElem ? drawioUrlElem.getAttribute('drawio-url') : false;
- }
-
- // Show draw.io if enabled and handle save.
- actionStartDrawing() {
- const url = this.getDrawioUrl();
- if (!url) return;
-
- const cursorPos = this.cm.getCursor('from');
-
- DrawIO.show(url,() => {
- return Promise.resolve('');
- }, (pngData) => {
-
- const data = {
- image: pngData,
- uploaded_to: Number(this.pageId),
- };
-
- window.$http.post("/images/drawio", data).then(resp => {
- this.insertDrawing(resp.data, cursorPos);
- DrawIO.close();
- }).catch(err => {
- this.handleDrawingUploadError(err);
- });
- });
- }
-
- insertDrawing(image, originalCursor) {
- const newText = `<div drawio-diagram="${image.id}"><img src="${image.url}"></div>`;
- this.cm.focus();
- this.cm.replaceSelection(newText);
- this.cm.setCursor(originalCursor.line, originalCursor.ch + newText.length);
- }
-
- // Show draw.io if enabled and handle save.
- actionEditDrawing(imgContainer) {
- const drawioUrl = this.getDrawioUrl();
- if (!drawioUrl) {
- return;
+ const drawioAttrEl = document.querySelector('[drawio-url]');
+ if (!drawioAttrEl) {
+ return '';
}
- const cursorPos = this.cm.getCursor('from');
- const drawingId = imgContainer.getAttribute('drawio-diagram');
-
- DrawIO.show(drawioUrl, () => {
- return DrawIO.load(drawingId);
- }, (pngData) => {
-
- let data = {
- image: pngData,
- uploaded_to: Number(this.pageId),
- };
-
- window.$http.post("/images/drawio", data).then(resp => {
- let newText = `<div drawio-diagram="${resp.data.id}"><img src="${resp.data.url}"></div>`;
- let newContent = this.cm.getValue().split('\n').map(line => {
- if (line.indexOf(`drawio-diagram="${drawingId}"`) !== -1) {
- return newText;
- }
- return line;
- }).join('\n');
- this.cm.setValue(newContent);
- this.cm.setCursor(cursorPos);
- this.cm.focus();
- DrawIO.close();
- }).catch(err => {
- this.handleDrawingUploadError(err);
- });
- });
+ return drawioAttrEl.getAttribute('drawio-url') || '';
}
- handleDrawingUploadError(error) {
- if (error.status === 413) {
- window.$events.emit('error', this.serverUploadLimitText);
- } else {
- window.$events.emit('error', this.imageUploadErrorText);
- }
- console.log(error);
- }
-
- // Make the editor full screen
- actionFullScreen() {
- const alreadyFullscreen = this.elem.classList.contains('fullscreen');
- this.elem.classList.toggle('fullscreen', !alreadyFullscreen);
- document.body.classList.toggle('markdown-fullscreen', !alreadyFullscreen);
- }
-
- // Scroll to a specified text
- scrollToText(searchText) {
- if (!searchText) {
- return;
- }
-
- const content = this.cm.getValue();
- const lines = content.split(/\r?\n/);
- let lineNumber = lines.findIndex(line => {
- return line && line.indexOf(searchText) !== -1;
- });
-
- if (lineNumber === -1) {
- return;
- }
-
- this.cm.scrollIntoView({
- line: lineNumber,
- }, 200);
- this.cm.focus();
- // set the cursor location.
- this.cm.setCursor({
- line: lineNumber,
- char: lines[lineNumber].length
- })
- }
-
- listenForBookStackEditorEvents() {
-
- function getContentToInsert({html, markdown}) {
- return markdown || html;
- }
-
- // Replace editor content
- window.$events.listen('editor::replace', (eventContent) => {
- const markdown = getContentToInsert(eventContent);
- this.cm.setValue(markdown);
- });
-
- // Append editor content
- window.$events.listen('editor::append', (eventContent) => {
- const cursorPos = this.cm.getCursor('from');
- const markdown = getContentToInsert(eventContent);
- const content = this.cm.getValue() + '\n' + markdown;
- this.cm.setValue(content);
- this.cm.setCursor(cursorPos.line, cursorPos.ch);
- });
-
- // Prepend editor content
- window.$events.listen('editor::prepend', (eventContent) => {
- const cursorPos = this.cm.getCursor('from');
- const markdown = getContentToInsert(eventContent);
- const content = markdown + '\n' + this.cm.getValue();
- this.cm.setValue(content);
- const prependLineCount = markdown.split('\n').length;
- this.cm.setCursor(cursorPos.line + prependLineCount, cursorPos.ch);
- });
-
- // Insert editor content at the current location
- window.$events.listen('editor::insert', (eventContent) => {
- const markdown = getContentToInsert(eventContent);
- this.cm.replaceSelection(markdown);
- });
-
- // Focus on editor
- window.$events.listen('editor::focus', () => {
- this.cm.focus();
- });
- }
}
--- /dev/null
+import DrawIO from "../services/drawio";
+
+export class Actions {
+ /**
+ * @param {MarkdownEditor} editor
+ */
+ constructor(editor) {
+ this.editor = editor;
+ }
+
+ updateAndRender() {
+ const content = this.editor.cm.getValue();
+ this.editor.config.inputEl.value = content;
+
+ const html = this.editor.markdown.render(content);
+ window.$events.emit('editor-html-change', html);
+ window.$events.emit('editor-markdown-change', content);
+ this.editor.display.patchWithHtml(html);
+ }
+
+ insertImage() {
+ const cursorPos = this.editor.cm.getCursor('from');
+ /** @type {ImageManager} **/
+ const imageManager = window.$components.first('image-manager');
+ imageManager.show(image => {
+ const imageUrl = image.thumbs.display || image.url;
+ let selectedText = this.editor.cm.getSelection();
+ let newText = "[![" + (selectedText || image.name) + "](" + imageUrl + ")](" + image.url + ")";
+ this.editor.cm.focus();
+ this.editor.cm.replaceSelection(newText);
+ this.editor.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
+ }, 'gallery');
+ }
+
+ insertLink() {
+ const cursorPos = this.editor.cm.getCursor('from');
+ const selectedText = this.editor.cm.getSelection() || '';
+ const newText = `[${selectedText}]()`;
+ this.editor.cm.focus();
+ this.editor.cm.replaceSelection(newText);
+ const cursorPosDiff = (selectedText === '') ? -3 : -1;
+ this.editor.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length+cursorPosDiff);
+ }
+
+ showImageManager() {
+ const cursorPos = this.editor.cm.getCursor('from');
+ /** @type {ImageManager} **/
+ const imageManager = window.$components.first('image-manager');
+ imageManager.show(image => {
+ this.insertDrawing(image, cursorPos);
+ }, 'drawio');
+ }
+
+ // Show the popup link selector and insert a link when finished
+ showLinkSelector() {
+ const cursorPos = this.editor.cm.getCursor('from');
+ /** @type {EntitySelectorPopup} **/
+ const selector = window.$components.first('entity-selector-popup');
+ selector.show(entity => {
+ let selectedText = this.editor.cm.getSelection() || entity.name;
+ let newText = `[${selectedText}](${entity.link})`;
+ this.editor.cm.focus();
+ this.editor.cm.replaceSelection(newText);
+ this.editor.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
+ });
+ }
+
+ // Show draw.io if enabled and handle save.
+ startDrawing() {
+ const url = this.editor.config.drawioUrl;
+ if (!url) return;
+
+ const cursorPos = this.editor.cm.getCursor('from');
+
+ DrawIO.show(url,() => {
+ return Promise.resolve('');
+ }, (pngData) => {
+
+ const data = {
+ image: pngData,
+ uploaded_to: Number(this.pageId),
+ };
+
+ window.$http.post("/images/drawio", data).then(resp => {
+ this.insertDrawing(resp.data, cursorPos);
+ DrawIO.close();
+ }).catch(err => {
+ this.handleDrawingUploadError(err);
+ });
+ });
+ }
+
+ insertDrawing(image, originalCursor) {
+ const newText = `<div drawio-diagram="${image.id}"><img src="${image.url}"></div>`;
+ this.editor.cm.focus();
+ this.editor.cm.replaceSelection(newText);
+ this.editor.cm.setCursor(originalCursor.line, originalCursor.ch + newText.length);
+ }
+
+ // Show draw.io if enabled and handle save.
+ editDrawing(imgContainer) {
+ const drawioUrl = this.editor.config.drawioUrl;
+ if (!drawioUrl) {
+ return;
+ }
+
+ const cursorPos = this.editor.cm.getCursor('from');
+ const drawingId = imgContainer.getAttribute('drawio-diagram');
+
+ DrawIO.show(drawioUrl, () => {
+ return DrawIO.load(drawingId);
+ }, (pngData) => {
+
+ const data = {
+ image: pngData,
+ uploaded_to: Number(this.editor.config.pageId),
+ };
+
+ window.$http.post("/images/drawio", data).then(resp => {
+ const newText = `<div drawio-diagram="${resp.data.id}"><img src="${resp.data.url}"></div>`;
+ const newContent = this.editor.cm.getValue().split('\n').map(line => {
+ if (line.indexOf(`drawio-diagram="${drawingId}"`) !== -1) {
+ return newText;
+ }
+ return line;
+ }).join('\n');
+ this.editor.cm.setValue(newContent);
+ this.editor.cm.setCursor(cursorPos);
+ this.editor.cm.focus();
+ DrawIO.close();
+ }).catch(err => {
+ this.handleDrawingUploadError(err);
+ });
+ });
+ }
+
+ handleDrawingUploadError(error) {
+ if (error.status === 413) {
+ window.$events.emit('error', this.editor.config.text.serverUploadLimit);
+ } else {
+ window.$events.emit('error', this.editor.config.text.imageUploadError);
+ }
+ console.log(error);
+ }
+
+ // Make the editor full screen
+ fullScreen() {
+ const container = this.editor.config.container;
+ const alreadyFullscreen = container.classList.contains('fullscreen');
+ container.classList.toggle('fullscreen', !alreadyFullscreen);
+ document.body.classList.toggle('markdown-fullscreen', !alreadyFullscreen);
+ }
+
+ // Scroll to a specified text
+ scrollToText(searchText) {
+ if (!searchText) {
+ return;
+ }
+
+ const content = this.editor.cm.getValue();
+ const lines = content.split(/\r?\n/);
+ let lineNumber = lines.findIndex(line => {
+ return line && line.indexOf(searchText) !== -1;
+ });
+
+ if (lineNumber === -1) {
+ return;
+ }
+
+ this.editor.cm.scrollIntoView({
+ line: lineNumber,
+ }, 200);
+ this.editor.cm.focus();
+ // set the cursor location.
+ this.editor.cm.setCursor({
+ line: lineNumber,
+ char: lines[lineNumber].length
+ })
+ }
+
+ focus() {
+ this.editor.cm.focus();
+ }
+
+ /**
+ * Insert content into the editor.
+ * @param {String} content
+ */
+ insertContent(content) {
+ this.editor.cm.replaceSelection(content);
+ }
+
+ /**
+ * Prepend content to the editor.
+ * @param {String} content
+ */
+ prependContent(content) {
+ const cursorPos = this.editor.cm.getCursor('from');
+ const newContent = content + '\n' + this.editor.cm.getValue();
+ this.editor.cm.setValue(newContent);
+ const prependLineCount = content.split('\n').length;
+ this.editor.cm.setCursor(cursorPos.line + prependLineCount, cursorPos.ch);
+ }
+
+ /**
+ * Append content to the editor.
+ * @param {String} content
+ */
+ appendContent(content) {
+ const cursorPos = this.editor.cm.getCursor('from');
+ const newContent = this.editor.cm.getValue() + '\n' + content;
+ this.editor.cm.setValue(newContent);
+ this.editor.cm.setCursor(cursorPos.line, cursorPos.ch);
+ }
+
+ /**
+ * Replace the editor's contents
+ * @param {String} content
+ */
+ replaceContent(content) {
+ this.editor.cm.setValue(content);
+ }
+
+ /**
+ * @param {String|RegExp} search
+ * @param {String} replace
+ */
+ findAndReplaceContent(search, replace) {
+ const text = this.editor.cm.getValue();
+ const cursor = this.editor.cm.listSelections();
+ this.editor.cm.setValue(text.replace(search, replace));
+ this.editor.cm.setSelections(cursor);
+ }
+
+ /**
+ * Replace the start of the line
+ * @param {String} newStart
+ */
+ replaceLineStart(newStart) {
+ const cursor = this.editor.cm.getCursor();
+ let lineContent = this.editor.cm.getLine(cursor.line);
+ const lineLen = lineContent.length;
+ const lineStart = lineContent.split(' ')[0];
+
+ // Remove symbol if already set
+ if (lineStart === newStart) {
+ lineContent = lineContent.replace(`${newStart} `, '');
+ this.editor.cm.replaceRange(lineContent, {line: cursor.line, ch: 0}, {line: cursor.line, ch: lineLen});
+ this.editor.cm.setCursor({line: cursor.line, ch: cursor.ch - (newStart.length + 1)});
+ return;
+ }
+
+ const alreadySymbol = /^[#>`]/.test(lineStart);
+ let posDif = 0;
+ if (alreadySymbol) {
+ posDif = newStart.length - lineStart.length;
+ lineContent = lineContent.replace(lineStart, newStart).trim();
+ } else if (newStart !== '') {
+ posDif = newStart.length + 1;
+ lineContent = newStart + ' ' + lineContent;
+ }
+ this.editor.cm.replaceRange(lineContent, {line: cursor.line, ch: 0}, {line: cursor.line, ch: lineLen});
+ this.editor.cm.setCursor({line: cursor.line, ch: cursor.ch + posDif});
+ }
+
+ /**
+ * Wrap the line in the given start and end contents.
+ * @param {String} start
+ * @param {String} end
+ */
+ wrapLine(start, end) {
+ const cursor = this.editor.cm.getCursor();
+ const lineContent = this.editor.cm.getLine(cursor.line);
+ const lineLen = lineContent.length;
+ let newLineContent = lineContent;
+
+ if (lineContent.indexOf(start) === 0 && lineContent.slice(-end.length) === end) {
+ newLineContent = lineContent.slice(start.length, lineContent.length - end.length);
+ } else {
+ newLineContent = `${start}${lineContent}${end}`;
+ }
+
+ this.editor.cm.replaceRange(newLineContent, {line: cursor.line, ch: 0}, {line: cursor.line, ch: lineLen});
+ this.editor.cm.setCursor({line: cursor.line, ch: cursor.ch + start.length});
+ }
+
+ /**
+ * Wrap the selection in the given contents start and end contents.
+ * @param {String} start
+ * @param {String} end
+ */
+ wrapSelection(start, end) {
+ const selection = this.editor.cm.getSelection();
+ if (selection === '') return this.wrapLine(start, end);
+
+ let newSelection = selection;
+ const frontDiff = 0;
+ let endDiff;
+
+ if (selection.indexOf(start) === 0 && selection.slice(-end.length) === end) {
+ newSelection = selection.slice(start.length, selection.length - end.length);
+ endDiff = -(end.length + start.length);
+ } else {
+ newSelection = `${start}${selection}${end}`;
+ endDiff = start.length + end.length;
+ }
+
+ const selections = this.editor.cm.listSelections()[0];
+ this.editor.cm.replaceSelection(newSelection);
+ const headFirst = selections.head.ch <= selections.anchor.ch;
+ selections.head.ch += headFirst ? frontDiff : endDiff;
+ selections.anchor.ch += headFirst ? endDiff : frontDiff;
+ this.editor.cm.setSelections([selections]);
+ }
+
+ replaceLineStartForOrderedList() {
+ const cursor = this.editor.cm.getCursor();
+ const prevLineContent = this.editor.cm.getLine(cursor.line - 1) || '';
+ const listMatch = prevLineContent.match(/^(\s*)(\d)([).])\s/) || [];
+
+ const number = (Number(listMatch[2]) || 0) + 1;
+ const whiteSpace = listMatch[1] || '';
+ const listMark = listMatch[3] || '.'
+
+ const prefix = `${whiteSpace}${number}${listMark}`;
+ return this.replaceLineStart(prefix);
+ }
+
+ /**
+ * Handle image upload and add image into markdown content
+ * @param {File} file
+ */
+ uploadImage(file) {
+ if (file === null || file.type.indexOf('image') !== 0) return;
+ let ext = 'png';
+
+ if (file.name) {
+ let fileNameMatches = file.name.match(/\.(.+)$/);
+ if (fileNameMatches.length > 1) ext = fileNameMatches[1];
+ }
+
+ // Insert image into markdown
+ const id = "image-" + Math.random().toString(16).slice(2);
+ const placeholderImage = window.baseUrl(`/loading.gif#upload${id}`);
+ const selectedText = this.editor.cm.getSelection();
+ const placeHolderText = ``;
+ const cursor = this.editor.cm.getCursor();
+ this.editor.cm.replaceSelection(placeHolderText);
+ this.editor.cm.setCursor({line: cursor.line, ch: cursor.ch + selectedText.length + 3});
+
+ const remoteFilename = "image-" + Date.now() + "." + ext;
+ const formData = new FormData();
+ formData.append('file', file, remoteFilename);
+ formData.append('uploaded_to', this.editor.config.pageId);
+
+ window.$http.post('/images/gallery', formData).then(resp => {
+ const newContent = `[](${resp.data.url})`;
+ this.findAndReplaceContent(placeHolderText, newContent);
+ }).catch(err => {
+ window.$events.emit('error', this.editor.config.text.imageUploadError);
+ this.findAndReplaceContent(placeHolderText, selectedText);
+ console.log(err);
+ });
+ }
+
+ syncDisplayPosition() {
+ // Thanks to http://liuhao.im/english/2015/11/10/the-sync-scroll-of-markdown-editor-in-javascript.html
+ const scroll = this.editor.cm.getScrollInfo();
+ const atEnd = scroll.top + scroll.clientHeight === scroll.height;
+ if (atEnd) {
+ editor.display.scrollToIndex(-1);
+ return;
+ }
+
+ const lineNum = this.editor.cm.lineAtHeight(scroll.top, 'local');
+ const range = this.editor.cm.getRange({line: 0, ch: null}, {line: lineNum, ch: null});
+ const parser = new DOMParser();
+ const doc = parser.parseFromString(this.editor.markdown.render(range), 'text/html');
+ const totalLines = doc.documentElement.querySelectorAll('body > *');
+ editor.display.scrollToIndex(totalLines.length);
+ }
+
+ /**
+ * Fetch and insert the template of the given ID.
+ * The page-relative position provided can be used to determine insert location if possible.
+ * @param {String} templateId
+ * @param {Number} posX
+ * @param {Number} posY
+ */
+ insertTemplate(templateId, posX, posY) {
+ const cursorPos = this.editor.cm.coordsChar({left: posX, top: posY});
+ this.editor.cm.setCursor(cursorPos);
+ window.$http.get(`/templates/${templateId}`).then(resp => {
+ const content = resp.data.markdown || resp.data.html;
+ this.editor.cm.replaceSelection(content);
+ });
+ }
+
+ /**
+ * Insert multiple images from the clipboard.
+ * @param {File[]} images
+ */
+ insertClipboardImages(images) {
+ const cursorPos = this.editor.cm.coordsChar({left: event.pageX, top: event.pageY});
+ this.editor.cm.setCursor(cursorPos);
+ for (const image of images) {
+ editor.actions.uploadImage(image);
+ }
+ }
+}
\ No newline at end of file
--- /dev/null
+import {provide as provideShortcuts} from "./shortcuts";
+import {debounce} from "../services/util";
+import Clipboard from "../services/clipboard";
+
+/**
+ * Initiate the codemirror instance for the markdown editor.
+ * @param {MarkdownEditor} editor
+ * @returns {Promise<void>}
+ */
+export async function init(editor) {
+ const Code = await window.importVersioned('code');
+ const cm = Code.markdownEditor(editor.config.inputEl);
+
+ // Will force to remain as ltr for now due to issues when HTML is in editor.
+ cm.setOption('direction', 'ltr');
+ // Register shortcuts
+ cm.setOption('extraKeys', provideShortcuts(editor, Code.getMetaKey()));
+
+
+ // Register codemirror events
+
+ // Update data on content change
+ cm.on('change', (instance, changeObj) => editor.actions.updateAndRender());
+
+ // Handle scroll to sync display view
+ const onScrollDebounced = debounce(editor.actions.syncDisplayPosition, 100, false);
+ cm.on('scroll', instance => onScrollDebounced(instance));
+
+ // Handle image paste
+ cm.on('paste', (cm, event) => {
+ const clipboard = new Clipboard(event.clipboardData || event.dataTransfer);
+
+ // Don't handle the event ourselves if no items exist of contains table-looking data
+ if (!clipboard.hasItems() || clipboard.containsTabularData()) {
+ return;
+ }
+
+ const images = clipboard.getImages();
+ for (const image of images) {
+ editor.actions.uploadImage(image);
+ }
+ });
+
+ // Handle image & content drag n drop
+ cm.on('drop', (cm, event) => {
+
+ const templateId = event.dataTransfer.getData('bookstack/template');
+ if (templateId) {
+ event.preventDefault();
+ editor.actions.insertTemplate(templateId, event.pageX, event.pageY);
+ }
+
+ const clipboard = new Clipboard(event.dataTransfer);
+ const clipboardImages = clipboard.getImages();
+ if (clipboardImages.length > 0) {
+ event.stopPropagation();
+ event.preventDefault();
+ editor.actions.insertClipboardImages(clipboardImages);
+ }
+
+ });
+
+ return cm;
+}
\ No newline at end of file
--- /dev/null
+function getContentToInsert({html, markdown}) {
+ return markdown || html;
+}
+
+/**
+ * @param {MarkdownEditor} editor
+ */
+export function listen(editor) {
+
+ window.$events.listen('editor::replace', (eventContent) => {
+ const markdown = getContentToInsert(eventContent);
+ editor.actions.replaceContent(markdown);
+ });
+
+ window.$events.listen('editor::append', (eventContent) => {
+ const markdown = getContentToInsert(eventContent);
+ editor.actions.appendContent(markdown);
+ });
+
+ window.$events.listen('editor::prepend', (eventContent) => {
+ const markdown = getContentToInsert(eventContent);
+ editor.actions.prependContent(markdown);
+ });
+
+ window.$events.listen('editor::insert', (eventContent) => {
+ const markdown = getContentToInsert(eventContent);
+ editor.actions.insertContent(markdown);
+ });
+
+ window.$events.listen('editor::focus', () => {
+ editor.actions.focus();
+ });
+}
\ No newline at end of file
--- /dev/null
+import {patchDomFromHtmlString} from "../services/vdom";
+
+export class Display {
+
+ /**
+ * @param {MarkdownEditor} editor
+ */
+ constructor(editor) {
+ this.editor = editor;
+ this.container = editor.config.displayEl;
+
+ this.doc = null;
+ this.lastDisplayClick = 0;
+
+ if (this.container.contentDocument.readyState === 'complete') {
+ this.onLoad();
+ } else {
+ this.container.addEventListener('load', this.onLoad.bind(this));
+ }
+ }
+
+ onLoad() {
+ this.doc = this.container.contentDocument;
+
+ this.loadStylesIntoDisplay();
+ this.doc.body.className = 'page-content';
+
+ // Prevent markdown display link click redirect
+ this.doc.addEventListener('click', this.onDisplayClick)
+ }
+
+ /**
+ * @param {MouseEvent} event
+ */
+ onDisplayClick(event) {
+ const isDblClick = Date.now() - this.lastDisplayClick < 300;
+
+ const link = event.target.closest('a');
+ if (link !== null) {
+ event.preventDefault();
+ window.open(link.getAttribute('href'));
+ return;
+ }
+
+ const drawing = event.target.closest('[drawio-diagram]');
+ if (drawing !== null && isDblClick) {
+ this.editor.actions.editDrawing(drawing);
+ return;
+ }
+
+ this.lastDisplayClick = Date.now();
+ }
+
+ loadStylesIntoDisplay() {
+ this.doc.documentElement.classList.add('markdown-editor-display');
+
+ // Set display to be dark mode if parent is
+ if (document.documentElement.classList.contains('dark-mode')) {
+ this.doc.documentElement.style.backgroundColor = '#222';
+ this.doc.documentElement.classList.add('dark-mode');
+ }
+
+ this.doc.head.innerHTML = '';
+ const styles = document.head.querySelectorAll('style,link[rel=stylesheet]');
+ for (const style of styles) {
+ const copy = style.cloneNode(true);
+ this.doc.head.appendChild(copy);
+ }
+ }
+
+ /**
+ * Patch the display DOM with the given HTML content.
+ * @param {String} html
+ */
+ patchWithHtml(html) {
+ const body = this.doc.body;
+
+ if (body.children.length === 0) {
+ const wrap = document.createElement('div');
+ this.doc.body.append(wrap);
+ }
+
+ const target = body.children[0];
+
+ patchDomFromHtmlString(target, html);
+ }
+
+ /**
+ * Scroll to the given block index within the display content.
+ * Will scroll to the end if the index is -1.
+ * @param {Number} index
+ */
+ scrollToIndex(index) {
+ const elems = this.doc.body.children;
+ if (elems.length <= index) return;
+
+ const topElem = (index === -1) ? elems[elems.length-1] : elems[index];
+ topElem.scrollIntoView({ block: 'start', inline: 'nearest', behavior: 'smooth'});
+ }
+
+}
\ No newline at end of file
--- /dev/null
+import {Markdown} from "./markdown";
+import {Display} from "./display";
+import {Actions} from "./actions";
+import {listen} from "./common-events";
+import {init as initCodemirror} from "./codemirror";
+
+
+/**
+ * Initiate a new markdown editor instance.
+ * @param {MarkdownEditorConfig} config
+ * @returns {Promise<MarkdownEditor>}
+ */
+export async function init(config) {
+
+ /**
+ * @type {MarkdownEditor}
+ */
+ const editor = {
+ config,
+ markdown: new Markdown(),
+ };
+
+ editor.actions = new Actions(editor);
+ editor.display = new Display(editor);
+ editor.cm = await initCodemirror(editor);
+
+ listen(editor);
+
+ return editor;
+}
+
+
+/**
+ * @typedef MarkdownEditorConfig
+ * @property {String} pageId
+ * @property {Element} container
+ * @property {Element} displayEl
+ * @property {HTMLTextAreaElement} inputEl
+ * @property {String} drawioUrl
+ * @property {Object<String, String>} text
+ */
+
+/**
+ * @typedef MarkdownEditor
+ * @property {MarkdownEditorConfig} config
+ * @property {Display} display
+ * @property {Markdown} markdown
+ * @property {Actions} actions
+ * @property {CodeMirror} cm
+ */
\ No newline at end of file
--- /dev/null
+import MarkdownIt from "markdown-it";
+import mdTasksLists from 'markdown-it-task-lists';
+
+export class Markdown {
+
+ constructor() {
+ this.renderer = new MarkdownIt({html: true});
+ this.renderer.use(mdTasksLists, {label: true});
+ }
+
+ /**
+ * Get the front-end render used to convert markdown to HTML.
+ * @returns {MarkdownIt}
+ */
+ getRenderer() {
+ return this.renderer;
+ }
+
+ /**
+ * Convert the given Markdown to HTML.
+ * @param {String} markdown
+ * @returns {String}
+ */
+ render(markdown) {
+ return this.renderer.render(markdown);
+ }
+}
+
+
+
--- /dev/null
+/**
+ * Provide shortcuts for the given codemirror instance.
+ * @param {MarkdownEditor} editor
+ * @param {String} metaKey
+ * @returns {Object<String, Function>}
+ */
+export function provide(editor, metaKey) {
+ const shortcuts = {};
+
+ // Insert Image shortcut
+ shortcuts[`${metaKey}-Alt-I`] = function(cm) {
+ const selectedText = cm.getSelection();
+ const newText = ``;
+ const cursorPos = cm.getCursor('from');
+ cm.replaceSelection(newText);
+ cm.setCursor(cursorPos.line, cursorPos.ch + newText.length -1);
+ };
+
+ // Save draft
+ shortcuts[`${metaKey}-S`] = cm => window.$events.emit('editor-save-draft');
+
+ // Save page
+ shortcuts[`${metaKey}-Enter`] = cm => window.$events.emit('editor-save-page');
+
+ // Show link selector
+ shortcuts[`Shift-${metaKey}-K`] = cm => editor.actions.showLinkSelector();
+
+ // Insert Link
+ shortcuts[`${metaKey}-K`] = cm => editor.actions.insertLink();
+
+ // FormatShortcuts
+ shortcuts[`${metaKey}-1`] = cm => editor.actions.replaceLineStart('##');
+ shortcuts[`${metaKey}-2`] = cm => editor.actions.replaceLineStart('###');
+ shortcuts[`${metaKey}-3`] = cm => editor.actions.replaceLineStart('####');
+ shortcuts[`${metaKey}-4`] = cm => editor.actions.replaceLineStart('#####');
+ shortcuts[`${metaKey}-5`] = cm => editor.actions.replaceLineStart('');
+ shortcuts[`${metaKey}-D`] = cm => editor.actions.replaceLineStart('');
+ shortcuts[`${metaKey}-6`] = cm => editor.actions.replaceLineStart('>');
+ shortcuts[`${metaKey}-Q`] = cm => editor.actions.replaceLineStart('>');
+ shortcuts[`${metaKey}-7`] = cm => editor.actions.wrapSelection('\n```\n', '\n```');
+ shortcuts[`${metaKey}-8`] = cm => editor.actions.wrapSelection('`', '`');
+ shortcuts[`Shift-${metaKey}-E`] = cm => editor.actions.wrapSelection('`', '`');
+ shortcuts[`${metaKey}-9`] = cm => editor.actions.wrapSelection('<p class="callout info">', '</p>');
+ shortcuts[`${metaKey}-P`] = cm => editor.actions.replaceLineStart('-')
+ shortcuts[`${metaKey}-O`] = cm => editor.actions.replaceLineStartForOrderedList()
+
+ return shortcuts;
+}
\ No newline at end of file
<div markdown-input class="flex flex-fill">
<textarea id="markdown-editor-input"
+ refs="markdown-editor@input"
@if($errors->has('markdown')) class="text-neg" @endif
name="markdown"
rows="5">@if(isset($model) || old('markdown')){{ old('markdown') ?? ($model->markdown === '' ? $model->html : $model->markdown) }}@endif</textarea>
<div class="editor-toolbar">
<div class="editor-toolbar-label">{{ trans('entities.pages_md_preview') }}</div>
</div>
- <iframe src="about:blank" class="markdown-display" sandbox="allow-same-origin"></iframe>
+ <iframe src="about:blank"
+ refs="markdown-editor@display"
+ class="markdown-display"
+ sandbox="allow-same-origin"></iframe>
</div>
</div>
projects / bookstack / commitdiff