1 import CodeMirror from "codemirror";
2 import Clipboard from "clipboard/dist/clipboard.min";
5 import 'codemirror/mode/css/css';
6 import 'codemirror/mode/clike/clike';
7 import 'codemirror/mode/diff/diff';
8 import 'codemirror/mode/go/go';
9 import 'codemirror/mode/htmlmixed/htmlmixed';
10 import 'codemirror/mode/javascript/javascript';
11 import 'codemirror/mode/julia/julia';
12 import 'codemirror/mode/lua/lua';
13 import 'codemirror/mode/haskell/haskell';
14 import 'codemirror/mode/markdown/markdown';
15 import 'codemirror/mode/mllike/mllike';
16 import 'codemirror/mode/nginx/nginx';
17 import 'codemirror/mode/php/php';
18 import 'codemirror/mode/powershell/powershell';
19 import 'codemirror/mode/properties/properties';
20 import 'codemirror/mode/python/python';
21 import 'codemirror/mode/ruby/ruby';
22 import 'codemirror/mode/rust/rust';
23 import 'codemirror/mode/shell/shell';
24 import 'codemirror/mode/sql/sql';
25 import 'codemirror/mode/toml/toml';
26 import 'codemirror/mode/xml/xml';
27 import 'codemirror/mode/yaml/yaml';
28 import 'codemirror/mode/pascal/pascal'
31 import 'codemirror/addon/scroll/scrollpastend';
33 // Mapping of possible languages or formats from user input to their codemirror modes.
34 // Value can be a mode string or a function that will receive the code content & return the mode string.
35 // The function option is used in the event the exact mode could be dynamic depending on the code.
40 scala: 'text/x-scala',
41 kotlin: 'text/x-kotlin',
42 'c++': 'text/x-c++src',
43 'c#': 'text/x-csharp',
44 csharp: 'text/x-csharp',
51 javascript: 'javascript',
52 json: {name: 'javascript', json: true},
62 powershell: 'powershell',
63 properties: 'properties',
66 return content.includes('<?php') ? 'php' : 'text/x-php';
82 pascal: 'text/x-pascal',
86 * Highlight pre elements on a page
88 function highlight() {
89 let codeBlocks = document.querySelectorAll('.page-content pre, .comment-box .content pre');
90 for (let i = 0; i < codeBlocks.length; i++) {
91 highlightElem(codeBlocks[i]);
96 * Add code highlighting to a single element.
97 * @param {HTMLElement} elem
99 function highlightElem(elem) {
100 const innerCodeElem = elem.querySelector('code[class^=language-]');
101 elem.innerHTML = elem.innerHTML.replace(/<br\s*[\/]?>/gi ,'\n');
102 const content = elem.textContent;
105 if (innerCodeElem !== null) {
106 const langName = innerCodeElem.className.replace('language-', '');
107 mode = getMode(langName, content);
110 const cm = CodeMirror(function(elt) {
111 elem.parentNode.replaceChild(elt, elem);
125 * Add a button to a CodeMirror instance which copies the contents to the clipboard upon click.
128 function addCopyIcon(cmInstance) {
129 const copyIcon = `<svg viewBox="0 0 24 24" width="16" height="16" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"/><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>`;
130 const copyButton = document.createElement('div');
131 copyButton.classList.add('CodeMirror-copy');
132 copyButton.innerHTML = copyIcon;
133 cmInstance.display.wrapper.appendChild(copyButton);
135 const clipboard = new Clipboard(copyButton, {
136 text: function(trigger) {
137 return cmInstance.getValue()
141 clipboard.on('success', event => {
142 copyButton.classList.add('success');
144 copyButton.classList.remove('success');
150 * Search for a codemirror code based off a user suggestion
151 * @param {String} suggestion
152 * @param {String} content
155 function getMode(suggestion, content) {
156 suggestion = suggestion.trim().replace(/^\./g, '').toLowerCase();
158 const modeMapType = typeof modeMap[suggestion];
160 if (modeMapType === 'undefined') {
164 if (modeMapType === 'function') {
165 return modeMap[suggestion](content);
168 return modeMap[suggestion];
172 * Ge the theme to use for CodeMirror instances.
173 * @returns {*|string}
175 function getTheme() {
176 return window.codeTheme || 'base16-light';
180 * Create a CodeMirror instance for showing inside the WYSIWYG editor.
181 * Manages a textarea element to hold code content.
182 * @param {HTMLElement} elem
183 * @returns {{wrap: Element, editor: *}}
185 function wysiwygView(elem) {
186 const doc = elem.ownerDocument;
187 const codeElem = elem.querySelector('code');
189 let lang = (elem.className || '').replace('language-', '');
190 if (lang === '' && codeElem) {
191 lang = (codeElem.className || '').replace('language-', '')
194 elem.innerHTML = elem.innerHTML.replace(/<br\s*[\/]?>/gi ,'\n');
195 const content = elem.textContent;
196 const newWrap = doc.createElement('div');
197 const newTextArea = doc.createElement('textarea');
199 newWrap.className = 'CodeMirrorContainer';
200 newWrap.setAttribute('data-lang', lang);
201 newWrap.setAttribute('dir', 'ltr');
202 newTextArea.style.display = 'none';
203 elem.parentNode.replaceChild(newWrap, elem);
205 newWrap.appendChild(newTextArea);
206 newWrap.contentEditable = false;
207 newTextArea.textContent = content;
209 let cm = CodeMirror(function(elt) {
210 newWrap.appendChild(elt);
213 mode: getMode(lang, content),
222 return {wrap: newWrap, editor: cm};
226 * Create a CodeMirror instance to show in the WYSIWYG pop-up editor
227 * @param {HTMLElement} elem
228 * @param {String} modeSuggestion
231 function popupEditor(elem, modeSuggestion) {
232 const content = elem.textContent;
234 return CodeMirror(function(elt) {
235 elem.parentNode.insertBefore(elt, elem);
236 elem.style.display = 'none';
239 mode: getMode(modeSuggestion, content),
247 * Set the mode of a codemirror instance.
249 * @param modeSuggestion
251 function setMode(cmInstance, modeSuggestion, content) {
252 cmInstance.setOption('mode', getMode(modeSuggestion, content));
256 * Set the content of a cm instance.
260 function setContent(cmInstance, codeContent) {
261 cmInstance.setValue(codeContent);
263 updateLayout(cmInstance);
268 * Update the layout (codemirror refresh) of a cm instance.
271 function updateLayout(cmInstance) {
272 cmInstance.refresh();
276 * Get a CodeMirror instance to use for the markdown editor.
277 * @param {HTMLElement} elem
280 function markdownEditor(elem) {
281 const content = elem.textContent;
291 window.$events.emitPublic(elem, 'editor-markdown-cm::pre-init', {config});
293 return CodeMirror(function (elt) {
294 elem.parentNode.insertBefore(elt, elem);
295 elem.style.display = 'none';
300 * Get the 'meta' key dependant on the user's system.
303 function getMetaKey() {
304 let mac = CodeMirror.keyMap["default"] == CodeMirror.keyMap.macDefault;
305 return mac ? "Cmd" : "Ctrl";
309 highlight: highlight,
310 wysiwygView: wysiwygView,
311 popupEditor: popupEditor,
313 setContent: setContent,
314 updateLayout: updateLayout,
315 markdownEditor: markdownEditor,
316 getMetaKey: getMetaKey,