+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
projects / bookstack / commitdiff