From b181a7dbb5eab8972fdfaf50b0272595ac014ac1 Mon Sep 17 00:00:00 2001
From: Lodder <lodder15@hotmail.co.uk>
Date: Wed, 8 Apr 2015 18:57:28 +0100
Subject: [PATCH] Added Joomla version detection on install

---
 plg_custom_assets/custom_assets.xml           |  2 +
 .../en-GB.plg_system_custom_assets.sys.ini    |  4 +-
 plg_custom_assets/script.php                  | 43 +++++++++++++++++++
 3 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 plg_custom_assets/script.php

diff --git a/plg_custom_assets/custom_assets.xml b/plg_custom_assets/custom_assets.xml
index e217164..2b7956d 100644
--- a/plg_custom_assets/custom_assets.xml
+++ b/plg_custom_assets/custom_assets.xml
@@ -10,6 +10,8 @@
 	<version>1.0.0</version>
 	<description>JJ_CUSTOM_ASSETS_DESC</description>
 	
+	<scriptfile>script.php</scriptfile>
+	
 	<languages>
 		<language tag="en-GB">language/en-GB/en-GB.plg_system_custom_assets.ini</language>
 		<language tag="en-GB">language/en-GB/en-GB.plg_system_custom_assets.sys.ini</language>
diff --git a/plg_custom_assets/language/en-GB/en-GB.plg_system_custom_assets.sys.ini b/plg_custom_assets/language/en-GB/en-GB.plg_system_custom_assets.sys.ini
index a8285b7..b8732d0 100644
--- a/plg_custom_assets/language/en-GB/en-GB.plg_system_custom_assets.sys.ini
+++ b/plg_custom_assets/language/en-GB/en-GB.plg_system_custom_assets.sys.ini
@@ -4,4 +4,6 @@
 ; @ Released under GNU/GPL 3.0 License
 ; Note : All ini files need to be saved as UTF-8
 
-JJ_CUSTOM_ASSETS_DESC="<h1>JJ Custom Assets</h1><h3>Brought to you by JoomJunk</h3><p>Copyright (C) 2015 JoomJunk</p><p>Released under GNU/GPL 3.0 License</p><p>Website: <a href='http://joomjunk.co.uk' target='_blank'>www.joomjunk.co.uk</a></p><p>A plugin allowing you to inject CSS and JS files on your site without having to core hack files</p>"
\ No newline at end of file
+JJ_CUSTOM_ASSETS_DESC="<h1>JJ Custom Assets</h1><h3>Brought to you by JoomJunk</h3><p>Copyright (C) 2015 JoomJunk</p><p>Released under GNU/GPL 3.0 License</p><p>Website: <a href='http://joomjunk.co.uk' target='_blank'>www.joomjunk.co.uk</a></p><p>A plugin allowing you to inject CSS and JS files on your site without having to core hack files</p>"
+
+JJ_CUSTOM_ASSETS_JOOMLA_VERSION_OUTDATED="This module requires Joomla 3.4.0 or higher."
\ No newline at end of file
diff --git a/plg_custom_assets/script.php b/plg_custom_assets/script.php
new file mode 100644
index 0000000..0e2067e
--- /dev/null
+++ b/plg_custom_assets/script.php
@@ -0,0 +1,43 @@
+<?php
+/**
+* @package    JJ_Custom_Assets
+* @copyright  Copyright (C) 2011 - 2015 JoomJunk. All rights reserved.
+* @license    GPL v3.0 or later http://www.gnu.org/licenses/gpl-3.0.html
+*/
+
+// No direct access
+defined('_JEXEC') or die('Restricted access');
+
+/**
+ * Custom Assets installation script class.
+ *
+ * @since  1.0.0
+ */
+class plgSystemCustom_assetsInstallerScript
+{
+	/**
+	 * Function called before plugin installation/update/removal procedure commences
+	 *
+	 * @param   string                   $type    The type of change (install, update or discover_install,
+	 *                                            not uninstall)
+	 * @param   JInstallerAdapterModule  $parent  The class calling this method
+	 *
+	 * @return  boolean  true on success and false on failure
+	 *
+	 * @since   1.0.0
+	 */
+	public function preflight($type, $parent)
+	{
+		$version = new JVersion;
+		
+		if(!$version->isCompatible('3.4.0'))
+		{
+			JFactory::getApplication()->enqueueMessage(JText::_('JJ_CUSTOM_ASSETS_JOOMLA_VERSION_OUTDATED'), 'error');
+			
+			return false;
+		}
+	}
+
+}
+
+?>