- // 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
- this.displayDoc.body.className = 'page-content';
- this.displayDoc.body.innerHTML = html;
-
- // Copy styles from page head and set custom styles for editor
- this.loadStylesIntoDisplay();
- }
-
- 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[`${metaKey}-9`] = cm => {wrapSelection('<p class="callout info">', '</p>');};
- cm.setOption('extraKeys', extraKeys);
-
- // Update data on content change
- cm.on('change', (instance, changeObj) => {
- this.updateAndRender();
- });
-
- const onScrollDebounced = debounce((instance) => {
- // Thanks to http://liuhao.im/english/2015/11/10/the-sync-scroll-of-markdown-editor-in-javascript.html
- let scroll = instance.getScrollInfo();
- let atEnd = scroll.top + scroll.clientHeight === scroll.height;
- if (atEnd) {
- this.onMarkdownScroll(-1);
- return;
- }
-
- let lineNum = instance.lineAtHeight(scroll.top, 'local');
- let range = instance.getRange({line: 0, ch: null}, {line: lineNum, ch: null});
- let parser = new DOMParser();
- let doc = parser.parseFromString(this.markdown.render(range), 'text/html');
- let totalLines = doc.documentElement.querySelectorAll('body > *');
- this.onMarkdownScroll(totalLines.length);
- }, 100);
-
- // Handle scroll to sync display view
- cm.on('scroll', instance => {
- onScrollDebounced(instance);
- });
-
- // Handle image paste
- cm.on('paste', (cm, event) => {
- const clipboard = new Clipboard(event.clipboardData || event.dataTransfer);
-
- // Don't handle the event ourselves if no items exist of contains table-looking data
- if (!clipboard.hasItems() || clipboard.containsTabularData()) {
- return;
- }
-
- const images = clipboard.getImages();
- for (const image of images) {
- uploadImage(image);
- }
- });
-
- // Handle image & content drag n drop
- cm.on('drop', (cm, event) => {
-
- const templateId = event.dataTransfer.getData('bookstack/template');
- if (templateId) {
- const cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
- cm.setCursor(cursorPos);
- event.preventDefault();
- window.$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]);
- }
-
- // 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.$events.emit('error', context.imageUploadErrorText);
- replaceContent(placeHolderText, selectedText);
- console.log(err);
- });
- }
-
- function insertLink() {
- let cursorPos = cm.getCursor('from');
- let selectedText = cm.getSelection() || '';
- let newText = `[${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');
- window.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');
- window.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');
- window.EntitySelectorPopup.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);
- });
- }
-
- 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),
projects / bookstack / blobdiff