simple-tryit-editor-using-JavaScript-and-codemirror/index.html at master · git7c/simple-tryit-editor-using-JavaScript-and-codemirror · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Tryit editor - Webtutorials.ME</title>
<!--CODEMIRROR DEPENDENCIES-->
<link rel="stylesheet" href="./codemirror/lib/codemirror.css" type="text/css" media="all">
<link rel="stylesheet" href="./codemirror/addon/hint/show-hint.css" type="text/css" media="all">
<link rel="stylesheet" href="./codemirror/addon/display/fullscreen.css" type="text/css" media="all">
<script src="./codemirror/lib/codemirror.js"></script>
<script src="./codemirror/mode/xml/xml.js"></script>
<script src="./codemirror/mode/javascript/javascript.js"></script>
<script src="./codemirror/mode/css/css.js"></script>
<script src="./codemirror/mode/htmlmixed/htmlmixed.js"></script>
<script src="./codemirror/addon/edit/matchbrackets.js"></script>
<script src="./codemirror/addon/edit/matchtags.js"></script>
<script src="./codemirror/addon/edit/closebrackets.js"></script>
<script src="./codemirror/addon/edit/closetag.js"></script>
<script src="./codemirror/addon/fold/xml-fold.js"></script>
<script src="./codemirror/addon/hint/show-hint.js"></script>
<script src="./codemirror/addon/hint/css-hint.js"></script>
<script src="./codemirror/addon/hint/javascript-hint.js"></script>
<script src="./codemirror/addon/hint/html-hint.js"></script>
<script src="./codemirror/addon/hint/xml-hint.js"></script>
<script src="./codemirror/addon/hint/anyword-hint.js"></script>
<script src="./codemirror/addon/hint/sql-hint.js"></script>
<script src="./codemirror/addon/display/fullscreen.js"></script>
<script src="./codemirror/addon/selection/mark-selection.js"></script>
<!--END OF CODEMIRROR DEPENDENCIES-->
<style>
*{
    box-sizing: border-box;
}
body {
    margin: 0;
    padding: 0;
    background: #f2f2f2;
    font-family: sans-serif;
    padding: 50px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container-wrapper {
    display: flex;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    flex-wrap: wrap;
    border: 1px solid #cccccc;
    padding: 10px;
    background: #ffffff;
}

.container-wrapper div {
    flex: 1;
}

.code-area {
    width: 100%;
    height: 400px;
    resize: none;
    overflow-y: auto;
    white-space: pre-wrap;
    outline: none;
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
}

.run-code-btn {
    float: right;
    margin-bottom: 10px;
    padding: 10px 20px;
    text-transform: uppercase;
    cursor: pointer;
    background: #333333;
    border: 1px solid rgba(0, 0, 0, .1);
    color: #ffffff;
    outline: none;
    transition: all .3s;
}

.run-code-btn:hover {
    border-color: #333333;
    color: #222222;
    background: #ffffff;
}

.iframe_style {
    width: 100%;
    height: 100%;
    border: 1px solid #cccccc;
}

.CodeMirror {
    border: 1px solid #cccccc;
    width: 100%;
    height: 400px;
}

.iframe-container {
    padding-left: 10px;
}
</style>
</head>

<body>
<div class="container">
<div class="container-wrapper">
<div class="code-containter">
<select id="choose_language">
    <option selected value="text/html">HTML</option>
    <option value="text/xml">XML</option>
    <option value="text/css">CSS</option>
    <option value="text/javascript">JavaScript</option>
</select>
<button class="run-code-btn" id="run_btn">Run</button>
<textarea name="code_area" class="code-area" id="code_area"></textarea>
</div>
<div class="iframe-container">
<iframe class="iframe_style" id="iframe"></iframe>
</div>
</div>
</div>
<script>
/* MAIN FUNCTION FOR RENDERING TEXTAREA CODE TO IFRAME */
function run_code() {
    var iframe = document.getElementById('iframe');
    iframe = (iframe.contentWindow) ? iframe.contentWindow : (iframe.contentDocument) ? iframe.contentDocument.document : iframe.contentDocument;
    iframe.document.open();
    // GET CODEMIRROR TEXTAREA VALUE [ editor.getValue() ]
    iframe.document.write(editor.getValue());
    iframe.document.close();
    return false;
}
//WHEN CLICKED RUN BUTTON
document.getElementById('run_btn').addEventListener('click', function() {
    run_code();
});

// SET MODE DYNAMICALLY
document.getElementById('choose_language').addEventListener('change',function(){
    var select_language = document.getElementById('choose_language').value;
    editor.setOption("mode", select_language);
});

// TO UNDERSTAND THIS CODE VISIT CODEMIRROR OFFICIAL WEBSITES
var editor = CodeMirror.fromTextArea(document.getElementById('code_area'), {
    mode: 'text/html',
    matchBrackets: true,
    lineNumbers: true,
    autoCloseTags: true,
    autoCloseBrackets: true,
    matchTags: {
    bothTags: true
    },
    extraKeys: {
        "Ctrl-J": "toMatchingTag"
    },
    lineWrapping: true,
    styleSelectedText: true,
    extraKeys: {
        "Ctrl-Space": "autocomplete",
        "Ctrl-F": function(cm) {
            cm.setOption("fullScreen", !cm.getOption("fullScreen"));
        },
        "Esc": function(cm) {
            if (cm.getOption("fullScreen")) cm.setOption("fullScreen", false);
        }
    }
});
</script>
</body>

</html>