<?php

// Enable shortcodes in widgets

add_filter('widget_text', 'do_shortcode');

// Sample Data Import Helper

add_action('import_start', 'rt_change_path');
add_action('import_end', 'rt_unlink_file');

function rt_change_path() {
	global $wp_import;
	
	$xml = file_get_contents($wp_import->file);
	$xml = preg_replace("/\@RT_SITE_URL\@/", get_bloginfo('wpurl'), $xml);

	$temp = tempnam(sys_get_temp_dir(), "rt_wp_import");
	$handle = fopen($temp, "w");
	fwrite($handle, $xml);
	$wp_import->file = $temp;
	fclose($handle);
}

function rt_unlink_file() {
	global $wp_import;
	
	unlink($wp_import->file);
}

// Layout Ninja

function layout_ninja() {

	$option = get_option('affinity-options');

	$layout_option = $option['affinity_layout'];
	$layout_sub_option = $option['affinity_layout_sub'];

	switch($layout_option) {
		case 's-c-x':
			$option['affinity_leftsidebar'] = 'true';
			$option['affinity_rightsidebar'] = 'false';
			update_option('affinity-options', $option);
            break;
       	case 'x-c-s':
			$option['affinity_leftsidebar'] = 'false';
			$option['affinity_rightsidebar'] = 'true';
			update_option('affinity-options', $option);
            break;
    	case 's-c-s':
			$option['affinity_leftsidebar'] = 'true';
			$option['affinity_rightsidebar'] = 'true';
			update_option('affinity-options', $option);
            break;
        case 'x-c-x':
			$option['affinity_leftsidebar'] = 'false';
			$option['affinity_rightsidebar'] = 'false';
			update_option('affinity-options', $option);
            break;
	}
	switch($layout_sub_option) {
		case 's-c-x':
			$option['affinity_leftsidebar_sub'] = 'true';
			$option['affinity_rightsidebar_sub'] = 'false';
			update_option('affinity-options', $option);
            break;
       	case 'x-c-s':
			$option['affinity_leftsidebar_sub'] = 'false';
			$option['affinity_rightsidebar_sub'] = 'true';
			update_option('affinity-options', $option);
            break;
    	case 's-c-s':
			$option['affinity_leftsidebar_sub'] = 'true';
			$option['affinity_rightsidebar_sub'] = 'true';
			update_option('affinity-options', $option);
            break;
        case 'x-c-x':
			$option['affinity_leftsidebar_sub'] = 'false';
			$option['affinity_rightsidebar_sub'] = 'false';
			update_option('affinity-options', $option);
            break;
	}
}

add_action('init', 'layout_ninja');

// Theme Math

function theme_math() {
	
	$option = get_option('affinity-options');
	$sitewidth = $option['affinity_sitewidth'];
	
	$active_leftsidebar = $option['affinity_leftsidebar'];	
	$active_rightsidebar = $option['affinity_rightsidebar'];
	
	$active_leftsidebar_sub = $option['affinity_leftsidebar_sub'];	
	$active_rightsidebar_sub = $option['affinity_rightsidebar_sub'];
	
	switch($active_rightsidebar) {
		case 'true':
			$option['affinity_mainbody_size'] = $sitewidth - $option['affinity_rightsidebar_size'] - 20;
			update_option('affinity-options', $option);
            break;
        case 'false':
        	$option['affinity_mainbody_size'] = $sitewidth - 20;
			update_option('affinity-options', $option);
            break;
	}
	switch($active_leftsidebar) {
		case 'true':
			$option['affinity_maincol_size'] = $option['affinity_mainbody_size'] - $option['affinity_leftsidebar_size'] - 45;
			update_option('affinity-options', $option);
            break;
        case 'false':
			$option['affinity_maincol_size'] = $option['affinity_mainbody_size'] - 45;
			update_option('affinity-options', $option);
            break;
	}
	switch($active_rightsidebar_sub) {
		case 'true':
			$option['affinity_mainbody_sub_size'] = $sitewidth - $option['affinity_rightsidebar_size'] - 20;
			update_option('affinity-options', $option);
            break;
        case 'false':
        	$option['affinity_mainbody_sub_size'] = $sitewidth - 20;
			update_option('affinity-options', $option);
            break;
	}
	switch($active_leftsidebar_sub) {
		case 'true':
			$option['affinity_maincol_sub_size'] = $option['affinity_mainbody_sub_size'] - $option['affinity_leftsidebar_size'] - 45;
			update_option('affinity-options', $option);
            break;
        case 'false':
			$option['affinity_maincol_sub_size'] = $option['affinity_mainbody_sub_size'] - 45;
			update_option('affinity-options', $option);
            break;
	}
}

add_action('init', 'theme_math');

// Widgets Width Math

function widget_math() {

	$option = get_option('affinity-options');	
	$sitewidth = $option['affinity_sitewidth'];
	
	$option['affinity_showcasewidth'] = $sitewidth - 20;
	$option['affinity_userwgetwidth'] = (int) ($sitewidth/3)-13;
	
	update_option('affinity-options', $option);

}

add_action('init', 'widget_math');

// Swap empty titles with &nbsp;

add_filter('widget_title', 'empty_title_swap');

function empty_title_swap($title, $restult='') {
	switch($title) {
		case '':
        	$result = '&nbsp;';
            break;
       	case $title:
       		$result = $title;
       		break;
	}
	return $result;
}

// Style Switcher

function rok_switcher() {

	global $cookie_prefix, $presetstyle;
	
	$cookie_prefix = "affinity";
	$cookie_time = time()+31536000;
	$grab_theme = $_GET['tstyle'];
	
	$option = get_option('affinity-options');
	
	$presetstyle = $option['affinity_preset'];
	$tstyle = $presetstyle;
	
	if (isset($_REQUEST['tstyle'])) {
		setcookie ($cookie_prefix.'-tstyle', $grab_theme, $cookie_time, '/', false);
		header("Location: ". $_SERVER['PHP_SELF']);
		global $tstyle;
	}
	
	if(isset($_COOKIE[$cookie_prefix."-tstyle"])) {
		rebuildColorParams($_COOKIE[$cookie_prefix."-tstyle"]);
	}

	$delete_cookies = $_GET['delete_cookies'];

	if($delete_cookies == 'true') {
		ob_start();
		setcookie($cookie_prefix.'-tstyle', '', $cookie_time, '/', false);
		header("Location: ". $_SERVER['PHP_SELF']);
		exit;
		ob_end_flush();
	}
}

function rebuildColorParams($grab_theme) {

	global $stylesList, $presetstyle;
    
    $style = $stylesList[$grab_theme];
    
    $presetstyle = $style[0];
    
}

function getSelected($style) {
	
	global $cookie_prefix;
	
	$grab_theme = $_COOKIE[$cookie_prefix."-tstyle"];
	if ($style==$grab_theme) return ' selected="selected"';
	else return "";
}

// IE version checker

function rok_isIe($version = false) {   

	$agent=$_SERVER['HTTP_USER_AGENT'];  

	$found = strpos($agent,'MSIE ');  
	if ($found) { 
	        if ($version) {
	            $ieversion = substr(substr($agent,$found+5),0,1);   
	            if ($ieversion == $version) return true;
	            else return false;
	        } else {
	            return true;
	        }

        } else {
                return false;
        }
	if (stristr($agent, 'msie'.$ieversion)) return true;
	return false;        
}

// Language Handler

rockettheme_translation();

function rockettheme_translation() {
	load_theme_textdomain('affinity_lang');
}

function _r($str)
{
  return __($str, 'affinity_lang');
}

function _re($str)
{
  _e($str, 'affinity_lang');
}

if (!function_exists ("mysql_real_escape_string"))
{
  function mysql_real_escape_string ($str)
  {
    return mysql_escape_string ($str);
  }
}

// Update default frontpage post count

if ( is_admin() && isset($_GET['activated'] ) && $pagenow == 'themes.php' ) {
	update_option( 'posts_per_page', 2 );
}

// Catch first image from post

function catch_that_image() {
  global $post, $posts;
  $first_img = '';
  ob_start();
  ob_end_clean();
  $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
  $first_img = $matches [1] [0];

  return $first_img;
}

// WordPress MU Styling

function mu_signup_css() { ?>
	<style type="text/css">
	.widecolumn .entry p {font-size: 1.05em;}
	.widecolumn {line-height: 1.6em;}
	.widecolumn {padding: 10px 0 20px 0;margin: 0 auto;width: 450px; margin-bottom: 30px;}
	.widecolumn .post {margin: 0;}
	</style>
<?php }
 
function mu_add_signup_css () { 
	add_action('wp_head','mu_signup_css', 99);
}

add_action('signup_header','mu_add_signup_css');

?>