+ // Codemirror Setup
+ element = element.find('textarea').first();
+ let cm = code.markdownEditor(element[0]);
+
+ // Custom key commands
+ let metaKey = 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`] = function(cm) {scope.$emit('save-draft');};
+ // Show link selector
+ extraKeys[`Shift-${metaKey}-K`] = function(cm) {showLinkSelector()};
+ // Insert Link
+ extraKeys[`${metaKey}-K`] = function(cm) {insertLink()};
+ // FormatShortcuts
+ extraKeys[`${metaKey}-1`] = function(cm) {replaceLineStart('##');};
+ extraKeys[`${metaKey}-2`] = function(cm) {replaceLineStart('###');};
+ extraKeys[`${metaKey}-3`] = function(cm) {replaceLineStart('####');};
+ extraKeys[`${metaKey}-4`] = function(cm) {replaceLineStart('#####');};
+ extraKeys[`${metaKey}-5`] = function(cm) {replaceLineStart('');};
+ extraKeys[`${metaKey}-d`] = function(cm) {replaceLineStart('');};
+ extraKeys[`${metaKey}-6`] = function(cm) {replaceLineStart('>');};
+ extraKeys[`${metaKey}-q`] = function(cm) {replaceLineStart('>');};
+ extraKeys[`${metaKey}-7`] = function(cm) {wrapSelection('\n```\n', '\n```');};
+ extraKeys[`${metaKey}-8`] = function(cm) {wrapSelection('`', '`');};
+ extraKeys[`Shift-${metaKey}-E`] = function(cm) {wrapSelection('`', '`');};
+ extraKeys[`${metaKey}-9`] = function(cm) {wrapSelection('<p class="callout info">', '</div>');};
+ cm.setOption('extraKeys', extraKeys);
+
+ // Update data on content change
+ cm.on('change', (instance, changeObj) => {
+ update(instance);
+ });
+
+ // Handle scroll to sync display view
+ cm.on('scroll', instance => {
+ // Thanks to http://liuhao.im/english/2015/11/10/the-sync-scroll-of-markdown-editor-in-javascript.html
+ let scroll = instance.getScrollInfo();
+ let atEnd = scroll.top + scroll.clientHeight === scroll.height;
+ if (atEnd) {
+ scope.$emit('markdown-scroll', -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(md.render(range), 'text/html');
+ let totalLines = doc.documentElement.querySelectorAll('body > *');
+ scope.$emit('markdown-scroll', totalLines.length);
+ });
+
+ // Handle image paste
+ cm.on('paste', (cm, event) => {
+ if (!event.clipboardData || !event.clipboardData.items) return;
+ for (let i = 0; i < event.clipboardData.items.length; i++) {
+ uploadImage(event.clipboardData.items[i].getAsFile());
+ }
+ });
+
+ // Handle images on drag-drop
+ cm.on('drop', (cm, event) => {
+ event.stopPropagation();
+ event.preventDefault();
+ let cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
+ cm.setCursor(cursorPos);
+ if (!event.dataTransfer || !event.dataTransfer.files) return;
+ for (let i = 0; i < event.dataTransfer.files.length; i++) {
+ uploadImage(event.dataTransfer.files[i]);
+ }
+ });
+
+ // Helper to replace editor content
+ function replaceContent(search, replace) {
+ let text = cm.getValue();
+ let cursor = cm.listSelections();
+ cm.setValue(text.replace(search, replace));
+ cm.setSelections(cursor);
+ }
+
+ // Helper to replace the start of the line
+ function replaceLineStart(newStart) {
+ let cursor = cm.getCursor();
+ let lineContent = cm.getLine(cursor.line);
+ let lineLen = lineContent.length;
+ let lineStart = lineContent.split(' ')[0];
+
+ // Remove symbol if already set
+ if (lineStart === newStart) {
+ lineContent = lineContent.replace(`${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 + (newLineContent.length - lineLen)});
+ }
projects / bookstack / blobdiff