(function() {
  var ACE_FILES_PATH = '/assets/ace/';

  window.MarkdownEditor = function(selector) {
    ace.config.set('modePath', ACE_FILES_PATH);
    var editor = ace.edit($(selector).next()[0]);
    editor.on('change', function() {
      $(selector).val(editor.getValue());
    });
    editor.setShowPrintMargin(false);
    var session = editor.getSession();
    session.setMode('markdown');
    session.setUseWrapMode(true);
    session.setValue($(selector).val());
  };
})();