Extension Listing export

export_extension_list.extensions.css

#overlay {
	display: none;
	width: 50%;
	height: auto;
	background: #FFF;
	padding: 20px;
	border: 1px solid #E6E6E5;
	position: absolute;
	top: 0;
	z-index: 10;
	left: 25%;
}

export_extension_list.extensions.js

jQuery(document).ready(function() {

	var $ = jQuery;

	$('#nav').find('+ h2').append(
		'<a href="#" class="create button" title="Export">Export</a>'
	);

	$('body').append(
		'<div id="overlay">\
			<a href="#" class="close">close</a>\
			<pre></pre>\
		</div>'
	);

	$('a.create').live('click', function() {
		var $table = $('table').clone();
		$table.find('tr td:last-child, th:last-child').remove();
		$('#overlay').find('pre').append($table.text()).end().fadeIn();
	});

	$('a.close').live('click', function() {
		$('#overlay').fadeOut();
	});

});

extension.driver.php

<?php

	class Extension_Export_Extension_List extends Extension {
	/*-------------------------------------------------------------------------
		Definition:
	-------------------------------------------------------------------------*/

		public function about() {
			return array(
				'name'			=> 'Export Extension List',
				'version'		=> '0.9',
				'release-date'	=> '2011-03-10',
				'author'		=> array(
					'name'			=> 'Brendan Abbott',
					'website'		=> 'http://bloodbone.ws/',
					'email'			=> 'brendan@bloodbone.ws'
				),
				'description'	=> 'Allows you to export the list of all extensions in your Symphony installation.'
			);
		}

		public function getSubscribedDelegates() {
			return array(
				array(
					'page'		=> '/backend/',
					'delegate'	=> 'InitaliseAdminPageHead',
					'callback'	=> 'initaliseAdminPageHead'
				)
			);
		}

		public function initaliseAdminPageHead($context) {
			$page = $context['parent']->Page;

			if($page instanceof contentSystemExtensions) {
				$page->addScriptToHead(URL . '/extensions/export_extension_list/assets/export_extension_list.extensions.js', 100);
				$page->addStylesheetToHead(URL . '/extensions/export_extension_list/assets/export_extension_list.extensions.css', 'screen', 101);
			}
		}
	}

?>