-const MarkdownIt = require("markdown-it");
-const mdTasksLists = require('markdown-it-task-lists');
-const code = require('../services/code');
+import MarkdownIt from "markdown-it";
+import mdTasksLists from 'markdown-it-task-lists';
+import code from '../services/code';
+import {debounce} from "../services/util";
-const DrawIO = require('../services/drawio');
+import DrawIO from "../services/drawio";
class MarkdownEditor {
constructor(elem) {
this.elem = elem;
+
+ const pageEditor = document.getElementById('page-editor');
+ this.pageId = pageEditor.getAttribute('page-id');
+ this.textDirection = pageEditor.getAttribute('text-direction');
+
this.markdown = new MarkdownIt({html: true});
this.markdown.use(mdTasksLists, {label: true});
this.display = this.elem.querySelector('.markdown-display');
+
+ this.displayStylesLoaded = false;
this.input = this.elem.querySelector('textarea');
this.htmlInput = this.elem.querySelector('input[name=html]');
this.cm = code.markdownEditor(this.input);
this.onMarkdownScroll = this.onMarkdownScroll.bind(this);
- this.init();
+
+ this.display.addEventListener('load', () => {
+ this.displayDoc = this.display.contentDocument;
+ this.init();
+ });
}
init() {
let lastClick = 0;
// Prevent markdown display link click redirect
- this.display.addEventListener('click', event => {
+ this.displayDoc.addEventListener('click', event => {
let isDblClick = Date.now() - lastClick < 300;
let link = event.target.closest('a');
let action = button.getAttribute('data-action');
if (action === 'insertImage') this.actionInsertImage();
if (action === 'insertLink') this.actionShowLinkSelector();
+ if (action === 'insertDrawing' && (event.ctrlKey || event.metaKey)) {
+ this.actionShowImageManager();
+ return;
+ }
if (action === 'insertDrawing') this.actionStartDrawing();
});
+ // Mobile section toggling
+ this.elem.addEventListener('click', event => {
+ const toolbarLabel = event.target.closest('.editor-toolbar-label');
+ if (!toolbarLabel) return;
+
+ const currentActiveSections = this.elem.querySelectorAll('.markdown-editor-wrap');
+ for (let activeElem of currentActiveSections) {
+ activeElem.classList.remove('active');
+ }
+
+ toolbarLabel.closest('.markdown-editor-wrap').classList.add('active');
+ });
+
window.$events.listen('editor-markdown-update', value => {
this.cm.setValue(value);
this.updateAndRender();
});
this.codeMirrorSetup();
+ this.listenForBookStackEditorEvents();
+
+ // Scroll to text if needed.
+ const queryParams = (new URL(window.location)).searchParams;
+ const scrollText = queryParams.get('content-text');
+ if (scrollText) {
+ this.scrollToText(scrollText);
+ }
}
// Update the input content and render the display.
updateAndRender() {
- let content = this.cm.getValue();
+ const content = this.cm.getValue();
this.input.value = content;
- let html = this.markdown.render(content);
+ const html = this.markdown.render(content);
window.$events.emit('editor-html-change', html);
window.$events.emit('editor-markdown-change', content);
- this.display.innerHTML = html;
+
+ // Set body content
+ this.displayDoc.body.className = 'page-content';
+ this.displayDoc.body.innerHTML = html;
this.htmlInput.value = html;
+
+ // Copy styles from page head and set custom styles for editor
+ this.loadStylesIntoDisplay();
+ }
+
+ loadStylesIntoDisplay() {
+ if (this.displayStylesLoaded) return;
+ this.displayDoc.documentElement.className = 'markdown-editor-display';
+
+ 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) {
- let elems = this.display.children;
+ const elems = this.displayDoc.body.children;
if (elems.length <= lineCount) return;
- let topElem = (lineCount === -1) ? elems[elems.length-1] : elems[lineCount];
- // TODO - Replace jQuery
- $(this.display).animate({
- scrollTop: topElem.offsetTop
- }, {queue: false, duration: 200, easing: 'linear'});
+ const topElem = (lineCount === -1) ? elems[elems.length-1] : elems[lineCount];
+ topElem.scrollIntoView({ block: 'start', inline: 'nearest', behavior: 'smooth'});
}
codeMirrorSetup() {
- let cm = this.cm;
+ const cm = this.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 = code.getMetaKey();
const extraKeys = {};
this.updateAndRender();
});
- // Handle scroll to sync display view
- cm.on('scroll', instance => {
+ 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;
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) => {
- if (!event.clipboardData || !event.clipboardData.items) return;
- for (let i = 0; i < event.clipboardData.items.length; i++) {
- uploadImage(event.clipboardData.items[i].getAsFile());
+ const clipboardItems = event.clipboardData.items;
+ if (!event.clipboardData || !clipboardItems) return;
+
+ // Don't handle if clipboard includes text content
+ for (let clipboardItem of clipboardItems) {
+ if (clipboardItem.type.includes('text/')) {
+ return;
+ }
+ }
+
+ for (let clipboardItem of clipboardItems) {
+ if (clipboardItem.type.includes("image")) {
+ uploadImage(clipboardItem.getAsFile());
+ }
}
});
- // Handle images on drag-drop
+ // Handle image & content drag n drop
cm.on('drop', (cm, event) => {
- event.stopPropagation();
- event.preventDefault();
- let cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
- cm.setCursor(cursorPos);
- if (!event.dataTransfer || !event.dataTransfer.files) return;
- for (let i = 0; i < event.dataTransfer.files.length; i++) {
- uploadImage(event.dataTransfer.files[i]);
+
+ 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/${templateId}`).then(resp => {
+ const content = resp.data.markdown || resp.data.html;
+ cm.replaceSelection(content);
+ });
}
+
+ if (event.dataTransfer && event.dataTransfer.files && event.dataTransfer.files.length > 0) {
+ const cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
+ cm.setCursor(cursorPos);
+ event.stopPropagation();
+ event.preventDefault();
+ for (let i = 0; i < event.dataTransfer.files.length; i++) {
+ uploadImage(event.dataTransfer.files[i]);
+ }
+ }
+
});
// Helper to replace editor content
}
// Insert image into markdown
- let id = "image-" + Math.random().toString(16).slice(2);
- let placeholderImage = window.baseUrl(`/loading.gif#upload${id}`);
- let selectedText = cm.getSelection();
- let placeHolderText = ``;
- let cursor = cm.getCursor();
+ const id = "image-" + Math.random().toString(16).slice(2);
+ const placeholderImage = window.baseUrl(`/loading.gif#upload${id}`);
+ const selectedText = cm.getSelection();
+ const placeHolderText = ``;
+ const cursor = cm.getCursor();
cm.replaceSelection(placeHolderText);
- cm.setCursor({line: cursor.line, ch: cursor.ch + selectedText.length + 2});
+ cm.setCursor({line: cursor.line, ch: cursor.ch + selectedText.length + 3});
- let remoteFilename = "image-" + Date.now() + "." + ext;
- let formData = new FormData();
+ const remoteFilename = "image-" + Date.now() + "." + ext;
+ const formData = new FormData();
formData.append('file', file, remoteFilename);
+ formData.append('uploaded_to', context.pageId);
- window.$http.post('/images/gallery/upload', formData).then(resp => {
- replaceContent(placeholderImage, resp.data.thumbs.display);
+ window.$http.post('/images/gallery', formData).then(resp => {
+ const newContent = `[](${resp.data.url})`;
+ replaceContent(placeHolderText, newContent);
}).catch(err => {
window.$events.emit('error', trans('errors.image_upload_error'));
replaceContent(placeHolderText, selectedText);
}
actionInsertImage() {
- let cursorPos = this.cm.getCursor('from');
+ const cursorPos = this.cm.getCursor('from');
window.ImageManager.show(image => {
let selectedText = this.cm.getSelection();
- let newText = "![" + (selectedText || image.name) + "](" + image.thumbs.display + ")";
+ let newText = "[![" + (selectedText || image.name) + "](" + image.thumbs.display + ")](" + image.url + ")";
this.cm.focus();
this.cm.replaceSelection(newText);
this.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
- });
+ }, 'gallery');
+ }
+
+ actionShowImageManager() {
+ const cursorPos = this.cm.getCursor('from');
+ window.ImageManager.show(image => {
+ this.insertDrawing(image, cursorPos);
+ }, 'drawio');
}
// Show the popup link selector and insert a link when finished
actionShowLinkSelector() {
- let cursorPos = this.cm.getCursor('from');
+ const cursorPos = this.cm.getCursor('from');
window.EntitySelectorPopup.show(entity => {
let selectedText = this.cm.getSelection() || entity.name;
let newText = `[${selectedText}](${entity.link})`;
uploaded_to: Number(document.getElementById('page-editor').getAttribute('page-id'))
};
- window.$http.post(window.baseUrl('/images/drawing/upload'), data).then(resp => {
- let newText = `<div drawio-diagram="${resp.data.id}"><img src="${resp.data.url}"></div>`;
- this.cm.focus();
- this.cm.replaceSelection(newText);
- this.cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
+ window.$http.post(window.baseUrl('/images/drawio'), data).then(resp => {
+ this.insertDrawing(resp.data, cursorPos);
DrawIO.close();
}).catch(err => {
window.$events.emit('error', trans('errors.image_upload_error'));
});
}
+ 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) {
- if (document.querySelector('[drawio-enabled]').getAttribute('drawio-enabled') !== 'true') return;
- let cursorPos = this.cm.getCursor('from');
- let drawingId = imgContainer.getAttribute('drawio-diagram');
+ const drawingDisabled = document.querySelector('[drawio-enabled]').getAttribute('drawio-enabled') !== 'true';
+ if (drawingDisabled) {
+ return;
+ }
+
+ const cursorPos = this.cm.getCursor('from');
+ const drawingId = imgContainer.getAttribute('drawio-diagram');
DrawIO.show(() => {
- return window.$http.get(window.baseUrl(`/images/base64/${drawingId}`)).then(resp => {
- return `data:image/png;base64,${resp.data.content}`;
- });
+ return DrawIO.load(drawingId);
}, (pngData) => {
let data = {
uploaded_to: Number(document.getElementById('page-editor').getAttribute('page-id'))
};
- window.$http.put(window.baseUrl(`/images/drawing/upload/${drawingId}`), data).then(resp => {
- let newText = `<div drawio-diagram="${resp.data.id}"><img src="${resp.data.url + `?updated=${Date.now()}`}"></div>`;
+ window.$http.post(window.baseUrl(`/images/drawio`), data).then(resp => {
+ let newText = `<div drawio-diagram="${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;
});
}
+ // 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);
+ });
+ }
}
-module.exports = MarkdownEditor ;
\ No newline at end of file
+export default MarkdownEditor ;
projects / bookstack / blobdiff