SS3 Image Widget

<?php

class ImageWidget extends Widget {

    static $db = array(
      'ImageCaption' => 'Varchar(50)',
      'LinkToPage' => 'Enum("No,Yes")'
    );

    public static $has_one = array(
      'WidgetImage' => 'Image',
      'ImageLink' => 'SiteTree'
    );

    static $title = "";
    static $cmsTitle = "Image";
    static $description = "Add an image and optionally add a caption and link to a page on your website";

    public function getCMSFields() {
      return new FieldList(
         DropdownField::create('WidgetImageID','Image (225px or wider)', Image::get()->map())
            ->setEmptyString('--Select image--'),
         new TextField('ImageCaption','Caption (optional)'),
         new DropdownField('LinkToPage','Link to page?', singleton('ImageWidget')->dbObject('LinkToPage')->enumValues()),
         DropdownField::create('ImageLinkID','Link to page (optional)', SiteTree::get()->map())
            ->setEmptyString('--Select page--')
      );
    }

}

class ImageWidget_Controller extends Widget_Controller {

      public function WidgetImageLink($pageID){
         $page = SiteTree::get()->byID($pageID)->Link();
         if ($page) return $page;
      }

}