text: tinymce.PluginManager.add('oppsaudios', function(editor, url) {
      // Add a button that opens a window
      editor.addButton('oppsaudios', {
          text: false,
          image: url + '/img/audio.png',
          tooltip: 'Inserir Áudio do Sistema',
          onclick: function() {
              // Open window with a specific url
              editor.windowManager.open({
                  title: 'Áudios',
                  url: '/admin/multimedias/audio/?pop=oppseditor',
                  width: 800,
                  height: 600,
                  buttons: [{
                      text: 'Fechar',
                      onclick: 'close'
                  }]
              });
          }
      });
  
      // Adds a menu item to the tools menu
      editor.addMenuItem('oppsaudios', {
          text: 'Inserir Áudio do Sistema',
          icon: false,
          context: 'insert',
          onclick: function() {
              // Open window with a specific url
              editor.windowManager.open({
                  title: 'Áudios',
                  url: '/admin/multimedias/audio/?pop=oppseditor',
                  width: 800,
                  height: 600,
                  buttons: [{
                      text: 'Fechar',
                      onclick: 'close'
                  }]
              });
          }
      });
  });
  