hooks.ckeditor.php

<?php
class Hooks_ckeditor extends Hooks {

  public function control_panel__add_to_head()
  {
      if (URL::getCurrent(false) == '/publish') {
        return $this->css->link('contents.css');
      }
  }

  public function control_panel__add_to_foot()
  {
      if (URL::getCurrent(false) == '/publish') {
        $html = $this->js->link('ckeditor.js');
        
        $html .= "<script>
          function initiateCKEditors() {
            $('.ckeditor').each(function(){
              CKEDITOR.replace( $(this).attr('name') );
            });
          }

          // initiate CKEditor for field(s) in a newly added grid row
          function newRowEditor() {    

            // get the right grid field for the clicked 'add row' button
            var thisGridTable = $(this).siblings('table.grid');
            
            setTimeout(function() {
              // select ckeditor cell in new row
              var newRowCell = thisGridTable.find('tbody tr:last td.cell-ckeditor');

              // double-check that new row doesn't contain editor already
              if ( newRowCell.not(':has(div.cke)') ) {
                newRowCell.find('textarea.ckeditor').each(function(){
                  CKEDITOR.replace( $(this).attr('name') );
                });
              }

            }, 50);

          }

          $(document).ready(function() {

            initiateCKEditors();

            $('.grid-add-row').click(newRowEditor);

          });
        </script>";
        
        return $html;
      }
  }
}