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March 14, 2017 23:49
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Markdown editor for StandardNotes
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <%= stylesheet_link_tag 'codemirror' %> | |
| <%= javascript_include_tag 'codemirror' %> | |
| <%= javascript_include_tag 'loadmode' %> | |
| <%= javascript_include_tag 'cm-meta' %> | |
| <style> | |
| body, html { | |
| font-family: sans-serif; | |
| font-size: 16px; | |
| height: 100%; | |
| } | |
| #wrapper { | |
| display: flex; | |
| flex-direction: column; | |
| position: relative; | |
| height: 100%; | |
| } | |
| .CodeMirror { | |
| flex: 1 1 auto; | |
| width: 100%; | |
| height: 100%; | |
| resize: none; | |
| font-size: 16px; | |
| border-radius: 4px; | |
| padding: 15px; | |
| font-family: monospace; | |
| padding: 0; | |
| } | |
| #select-wrapper { | |
| width: 100%; | |
| margin: 0; | |
| padding-left: 16px; | |
| background-color: rgb(247, 247, 247); | |
| border-top: 1px solid rgb(221, 221, 221); | |
| } | |
| #language-label { | |
| font-size: 12px; | |
| } | |
| #select { | |
| margin: 5px; | |
| } | |
| </style> | |
| <script> | |
| var editor, modeInput, select; | |
| var defaultMode = "markdown"; | |
| var modes = [ | |
| "markdown", | |
| ]; | |
| function changeMode(inputMode) { | |
| var val = inputMode, m, mode, spec; | |
| if (m = /.+\.([^.]+)$/.exec(val)) { | |
| var info = CodeMirror.findModeByExtension(m[1]); | |
| if (info) { | |
| mode = info.mode; | |
| spec = info.mime; | |
| } | |
| } else if (/\//.test(val)) { | |
| var info = CodeMirror.findModeByMIME(val); | |
| if (info) { | |
| mode = info.mode; | |
| spec = val; | |
| } | |
| } else { | |
| mode = spec = val; | |
| } | |
| if (mode) { | |
| editor.setOption("mode", spec); | |
| CodeMirror.autoLoadMode(editor, mode); | |
| if(window.data) { | |
| window.data.mode = mode; | |
| } | |
| document.getElementById("select").selectedIndex = modes.indexOf(mode); | |
| } else { | |
| alert("Could not find a mode corresponding to " + val); | |
| } | |
| } | |
| window.addEventListener("message", function(event){ | |
| if(isDemo) { | |
| return; | |
| } | |
| window.noteText = event.data.text; | |
| window.noteId = event.data.id; | |
| window.data = event.data.data || {}; | |
| var mode = window.data.mode; | |
| if(mode) { | |
| changeMode(mode); | |
| } | |
| if(editor) { | |
| editor.getDoc().setValue(window.noteText); | |
| } | |
| }, false); | |
| function postMessageToParent() { | |
| window.parent.postMessage({text: editor.getValue(), data: window.data, id: window.noteId}, '*'); | |
| } | |
| function onLanguageSelect(event) { | |
| var language = modes[select.selectedIndex]; | |
| changeMode(language); | |
| postMessageToParent(); | |
| } | |
| document.addEventListener("DOMContentLoaded", function(event) { | |
| if(window.parent != window) { | |
| window.parent.postMessage({status: "ready"}, '*'); | |
| } | |
| CodeMirror.modeURL = "/assets/modes/%N/%N.js"; | |
| editor = CodeMirror.fromTextArea(document.getElementById("code"), { | |
| lineNumbers: false, | |
| mode: "markdown", | |
| lineWrapping: true, | |
| extraKeys: {"Enter": "newlineAndIndentContinueMarkdownList"} | |
| }); | |
| editor.setSize("100%", "100%"); | |
| setTimeout(function () { | |
| changeMode(defaultMode); | |
| }, 1); | |
| select = document.getElementById("select"); | |
| var index = 0; | |
| for(element in modes) { | |
| var opt = document.createElement("option"); | |
| opt.value = index; | |
| opt.innerHTML = modes[index]; | |
| select.appendChild(opt); | |
| index++; | |
| } | |
| editor.on("change", function(){ | |
| if(window.parent != window) { | |
| if(isDemo) { | |
| return; | |
| } | |
| postMessageToParent(); | |
| } | |
| }); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="wrapper"> | |
| <textarea id="code" name="code"> | |
| </textarea> | |
| <div> | |
| </body> | |
| </html> |
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the
changeModecode can be removed - as this editor will just be for markdown