text: function initImageUpload(editor) {
      // create input and insert in the DOM
      var inp = $('<input id="tinymce-uploader" type="file" name="pic" accept="image/*" style="display:none">');
      $(editor.getElement()).parent().append(inp);
  
      // add the image upload button to the editor toolbar
      editor.addButton('imageupload', {
          text: '',
          icon: 'image',
          onclick: function (e) { // when toolbar button is clicked, open file select modal
              inp.trigger('click');
          }
      });
  
      // when a file is selected, upload it to the server
      inp.on("change", function (e) {
          uploadFile($(this), editor);
      });
  }
  
  function uploadFile(inp, editor) {
      var input = inp.get(0);
      var data = new FormData();
      data.append('image[file]', input.files[0]);
  
      $.ajax({
          url: '/hu-admin/ajaxfileupload',
          type: 'POST',
          data: data,
          processData: false, // Don't process the files
          contentType: false, // Set content type to false as jQuery will tell the server its a query string request
          success: function (data, textStatus, jqXHR) {
             console.log(data);
              editor.insertContent('<img class="content-img" src="' + data.url + '"/>');
          },
          error: function (jqXHR, textStatus, errorThrown) {
              if (jqXHR.responseText) {
                  errors = JSON.parse(jqXHR.responseText).errors
                  alert('Error uploading image: ' + errors.join(", ") + '. Make sure the file is an image and has extension jpg/jpeg/png.');
              }
          }
      });
  }