public function getCMSFields()
{
$oFieldExternalLink = new TextField('LinkExternalUrl', 'Externe link (opent in nieuw venster, begin met http://)', $this->LinkExternalUrl);
$name = $oFieldExternalLink->getName();
$name = preg_replace("/([A-Za-z0-9\\-_]+)/", "Widget[" . $this->ID . "][\\1]", $name);
$oFieldExternalLink->setName($name);
$oFieldInternalLink = new SimpleTreeDropdownField('InternalUrlID', 'Interne link', 'SiteTree', $this->InternalUrlID, null, 'Kies een pagina');
$name = $oFieldInternalLink->getName();
$name = preg_replace("/([A-Za-z0-9\\-_]+)/", "Widget[" . $this->ID . "][\\1]", $name);
$oFieldInternalLink->setName($name);
$aSelectionGroupItems = array(new SelectionGroup_Item('none', new LiteralField('nolink', ''), 'Geen link'), new SelectionGroup_Item('internal', $oFieldInternalLink, 'Interne link'), new SelectionGroup_Item('external', $oFieldExternalLink, 'Externe link'));
$fldSelectionGroup = new SelectionGroup('LinkType', $aSelectionGroupItems);
// config htmleditor
// make a new TinyMCE config called "footer" by copying the default ("cms") config
/*
$footerConfig = CustomHtmlEditorConfig::copy('simpletoolbar', 'cms');
$footerConfig->setButtonsForLine(3, array());
$footerConfig->setButtonsForLine(2, array());
*/
$oFields = new FieldList(new TextField('Header', 'Titel'), $fldBody = new HtmlEditorField('Body', 'Inhoud'), new HeaderField('hdrLink', 'Link', 3), new TextField('LinkTxt', 'Tekst link'), $fldSelectionGroup);
$fldBody->setRows(6);
// assign the "footer" TinyMCE config to this field
$fldBody->setEditorConfig('simpletoolbar');
// set the editor's body class. This will make it class="typography footer-content"
$fldBody->setBodyClass('widget_text typograhy');
return $oFields;
}