Simple social buttons wrapper for SilverStripe

Facebook.ss

<% require javascript('https://connect.facebook.net/en_GB/sdk.js#xfbml=1&version=v2.0') %>
<div class="{$ClassName}">
	<div id="fb-root"></div>
	<div class="fb-share-button" data-href="{$URL}" data-layout="<% if Type %>{$Type}<% else %>button<% end_if %>"></div>
</div>

Googleplus.ss

<% require javascript('https://apis.google.com/js/platform.js') %>
<div class="{$ClassName}">
	<div class="g-plus" data-href="{$URL}" data-action="share" data-annotation="<% if Type %>{$Type}<% else %>none<% end_if %>"></div>
</div>

Linkedin.ss

<% require javascript('http://platform.linkedin.com/in.js') %>
<div class="{$ClassName}">
	<script type="IN/Share" data-url="{$URL}" <% if Type %>data-counter="{$Type}"<% end_if %>></script>
</div>

SocialButtons.php

<?php

/**
 * Social buttons
 * To populate template vars in button template, use the following syntax:
 * 	Social(Facebook[URL:{$Link}][Type:icon])

 * Each argument is wrapped in [] e.g
 * 	Social(Facebook[Name:Value][NameToo:ValueToo], Twitter, Googleplus)
 *
 * Default types: * = default
 * Facebook:
 *   - Type: box_count | button_count | button* | icon_link | icon | link
 *   - URL
 * Twitter:
 *   - Type: right | null*
 *   - Size: large | null*
 *   - Content
 *   - URL
 * Linkedin:
 *   - Type: top | right | none*
 *   - URL
 * Googleplus:
 *   - Type: bubble | vertical-bubble | inline | null*
 *   - Size: small | medium* | large | <int>
 */

class SocialButtons extends ViewableData implements TemplateGlobalProvider {

	public static $class_format = 'social {$Name}';

	public static function get_template_global_variables() {
		return array (
			'AllSocial',
			'Social'
		);
	}

	/**
	 * Static wrapper for self::Social to include all - used in templates
	 * @return string
	 */
	public static function AllSocial() {
		return self::Social('Facebook', 'Twitter', 'Googleplus', 'Linkedin');
	}

	/**
	 * Static wrapper for $this->populateTemplates - used in templates
	 * @param mixed $types,... The strings to evaluate
	 * @return string
	 */
	public static function Social($types) {
		return call_user_func_array(array(self::create(), 'populateTemplates'), func_get_args());
	}

	/**
	 * Concats HTML from an array of SocialElements
	 * @param mixed $types,... The strings to evaluate
	 * @return string
	 */
	public function populateTemplates($types) {
		$socials = array_filter(array_map(array($this, 'parseSocial'), func_get_args()));
		$output = HTMLText::create();

		foreach($socials as $item) {
			$output->value .= $item->forTemplate();
		}

		return $output;
	}

	/**
	 * Parses each template argument and evaluates any arguments
	 * @param string $item The string to evaluate
	 * @return SocialElement
	 */
	private function parseSocial($item) {
		if(preg_match('/^(twitter|facebook|googleplus|linkedin)(?:\[(.*)\])?$/i', ucfirst($item), $match)) {

			$data = array(
				'URL' => Director::get_current_page()->AbsoluteLink(),
				'ClassName' => preg_replace('/\{\$Name\}/', strtolower($match[1]), self::$class_format)
			);

			if(isset($match[2]) && $args = $match[2]) {
				foreach(explode('][', $args) as $arg) {
					$arg = explode(':', $arg);

					$data[$arg[0]] = SSViewer::execute_string($arg[1], null);
				}
			}

			return SocialElement::create($match[1], $data);
		}
	}

}

class SocialElement extends ViewableData {

	/**
	 * @param string $name The item & template name
	 * @param mixed $customFields Fields to customise the template with.Passed directly to
	 *	SSViewer->customise so same type casting applies.
	 * @return SocialElement
	 */
	public function __construct($name, $customFields = array(), $require = false) {
		$this->template = $name;
		$this->fields = $customFields;
	}

	/**
	 * Returns the customised template for the social element
	 * @return string
	 */
	public function forTemplate() {
		$template = new SSViewer('social/' . ucfirst($this->template));

		return $template->process($this->customise($this->fields));

	}

}

Twitter.ss

<div class="{$ClassName}">
	<a href="https://twitter.com/share" class="twitter-share-button" data-url="{$URL}" <% if Size == 'large' %>data-size="large"<% end_if %> <% if Content %>data-text="{$Content}"<% end_if %> <% if not Type %>data-count="none"<% end_if %> data-dnt="true">Tweet</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
</div>