extensions/ace-editor/index.html at master · contentstack/extensions · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8"/>
    <title>Ace Editor Extension</title>
    <style>
      body { margin: 0; }
      #editor {
        min-height: 300px;
      }
    </style>
    <!--
    Load the Extensions API that is used to communicate with the containing app.
    -->
    <script src="https://www.contentstack.com/sdks/contentstack-ui-extensions/dist/latest/ui-extension-sdk.js"></script>
    <!--
    We use lodash.throttle to avoid spamming the API with changes
    -->
    <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
    <!--
    Include ace editor core script.
    -->
    <script src="https://cdn.jsdelivr.net/npm/ace-builds@1.2.9/src-min-noconflict/ace.js"></script>
    <!--
    Add editor theme and syntax highlighting mode scripts.
    Find more here: https://www.jsdelivr.com/package/npm/ace-builds?path=src-min
    -->
    <script src="https://cdn.jsdelivr.net/npm/ace-builds@1.2.9/src-min-noconflict/mode-handlebars.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/ace-builds@1.2.9/src-min-noconflict/theme-monokai.js"></script>
  </head>
  <body>
    <pre id="editor"></pre>
    <script>
        // initialise Field Extension
        window.extensionField = {};

        // find editor element
        var editorElement = document.getElementById("editor");

        // initialise variable for ace editor plugin
        var editor = {};


        ContentstackUIExtension.init().then(function(extension) {

            // make extension object globally available
            extensionField = extension;


            // update the field height
            extensionField.window.updateHeight();

            // Get current ace editor field value from Contentstack and update the element
            var value = extensionField.field.getData() || '';
            // Configure Ace editor
            editor = ace.edit('editor')
            editor.setTheme('ace/theme/monokai')
            editor.session.setMode('ace/mode/handlebars')

            if(value)
                editor.setValue(value)
            //
            editor.on('focus', function(event, editor) {
                 extensionField.field.setFocus();
            });

            // Listen to change events and fire an update every 500ms
            editor.on('change', _.throttle(updateFieldValue, 500, { leading: false }))
        })


        function updateFieldValue () {
            var value = editor.getValue()
            extensionField.field.setData(value).catch(function(error){
                    console.log('error in setting data',error)
            })
        }
    </script>
  </body>
</html>