Amslib_Resource_Compiler.php

<?php
/*******************************************************************************
 * Copyright (c) {15/03/2008} {Christopher Thomas}
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*
* Contributors/Author:
*    {Christopher Thomas} - Creator - chris.thomas@antimatter-studios.com
*
*******************************************************************************/
 
/**
 * 	class:	Amslib_Resource_Compiler
 *
 *	group:	core
 *
 *	file:	Amslib_Resource_Compiler.php
 *
 *	description: todo, write description
 *
 * 	todo: write documentation
 */
class Amslib_Resource_Compiler
{
	static protected $stylesheet = array();
	static protected $javascript = array();
	
	static protected $js	=	array();
	static protected $jsc	=	array();
	static protected $jsi	=	array();
	
	static protected $cssc	=	array();
	static protected $cssm	=	array();
	static protected $cssi	=	array();
	static protected $css	=	array();
	
	/**
	 * 	method:	addStylesheet
	 *
	 * 	todo: write documentation
	 */
	static public function addStylesheet($id,$file,$conditional=NULL,$media=NULL)
	{
		if(!$id || !is_string($id) || !$file || !is_string($file)) return;
		
		if(is_string($conditional) && strlen($conditional)){
			self::$cssc[$conditional][$id] = $file;
		}else if(is_string($media) && strlen($media)){
			self::$cssm[$media][$id] = $file;
		}else if(strpos($file,"?")){
			self::$cssi[$id] = $file;
		}else{
			self::$css[$id] = $file;
		}
	}
	
	/**
	 * 	method:	compile
	 *
	 * 	todo: write documentation
	 */
	static public function compile()
	{
		self::compileStylesheet();
		self::compileJavascript();
	}
	
	/**
	 * 	method:	compileStylesheet
	 *
	 * 	todo: write documentation
	 */
	static protected function compileStylesheet()
	{
		self::$stylesheet = array();
		
		$content = "";
		foreach(self::$css as $file) $content .= file_get_contents(Amslib_File::absolute($file))."/**/";
		self::$stylesheet[] = "<style type='text/css'>$content</style>";
		
		foreach(self::$cssm as $media => $list){
			foreach($list as $file) self::$stylesheet[] = "<link rel='stylesheet' type='text/css' href='$file' media='$media' />";
		}
		
		foreach(self::$cssc as $conditional => $list){
			$content = "";
			foreach($list as $file) $content .= file_get_contents(Amslib_File::absolute($file));
			self::$stylesheet[] = "<!--[$conditional]><style type='text'css'>$content</style><![endif]-->";
		}
		
		foreach(self::$cssi as $file){
			self::$stylesheet[] = "<link rel='stylesheet' type='text/css' href='$file' />";
		}
	}
	
	/**
	 * 	method:	compileJavascript
	 *
	 * 	todo: write documentation
	 */
	static protected function compileJavascript()
	{

	}
	
	/**
	 * 	method:	getStylesheet
	 *
	 * 	todo: write documentation
	 */
	static public function getStylesheet()
	{
		return implode("",self::$stylesheet);
	}
	
	/**
	 * 	method:	removeStylesheet
	 *
	 * 	todo: write documentation
	 */
	static public function removeStylesheet($id)
	{
		//	TODO: This functionality is broken until I can unify the resource models
		//unset(self::$stylesheet[$id]);
	}
	
	/**
	 * 	method:	addJavascript
	 *
	 * 	todo: write documentation
	 */
	static public function addJavascript($id,$file,$conditional=NULL)
	{
		if($id && $file){
			if(is_string($conditional) && strlen($conditional)){
				self::$jsc[$conditional][$id] = $file;
			}else if(strpos($file,"?")){
				self::$jsi[$id] = $file;
			}else{
				self::$js[$id] = $file;
			}
		}	
	}

	/**
	 * 	method:	getJavascript
	 *
	 * 	todo: write documentation
	 */
	static public function getJavascript()
	{
		$output = "";
		
		$content = "";
		foreach(self::$js as $file) $content .= file_get_contents(Amslib_File::absolute($file));
		$output .= "<script type='text/javascript'>$content</script>";
		
		foreach(self::$jsc as $condition => $list){
			$content = "";
			foreach($list as $file) $content .= file_get_contents(Amslib_File::absolute($file));
			$output .= "<!--[$conditional]><script type='text/javascript'>$content</script><![endif]-->";
		}
		
		foreach(self::$jsi as $file){
			$output .= "<script type='text/javascript' src='$file'></script>";	
		}
		
		return $output;
	}
	
	/**
	 * 	method:	removeJavascript
	 *
	 * 	todo: write documentation
	 */
	static public function removeJavascript($id)
	{
		//	TODO: This functionality is broken until I can unify the resource models		
		//unset(self::$javascript[$id]);
	}
	
	/**
	 * 	method:	addGoogleFont
	 *
	 * 	todo: write documentation
	 */
	static public function addGoogleFont($id,$font,$conditional=NULL)
	{
		Amslib_Resource::addStylesheet($id,"http://fonts.googleapis.com/css?$font",$conditional);
	}
	
	/**
	 * 	method:	removeGoogleFont
	 *
	 * 	todo: write documentation
	 */
	static public function removeGoogleFont($id)
	{
		Amslib_Resource::removeStylesheet($id);
	}
}