<?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);
}

// WordPress 2.9 Post Image

$wp_ver = get_bloginfo('version');
if (function_exists('add_theme_support') && $wp_ver >= 2.9) { 
	$option = get_option('nexus-options');
	add_theme_support('post-thumbnails');
	set_post_thumbnail_size($option['thumb_width'], $option['thumb_height'], true);
}

// Fusion Menu Auto Activation 

function render_fusion_widget(){
	$sidebars_widgets = wp_get_sidebars_widgets();
	update_option('widget_rokmenu', RokMenu::getDefaults());
	$rtmenu = array('top_menu' => array(0 => 'rokmenu'));
	$sidebars_widgets = array_merge((array) $sidebars_widgets, (array) $rtmenu);
	wp_set_sidebars_widgets($sidebars_widgets);
}

add_action('switch_theme', 'render_fusion_widget');

// Layout Ninja

function layout_ninja() {

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

	$layout_option = $option['layout_front'];
	$layout_option_subpage = $option['layout_subpage'];

	switch($layout_option) {
		case 's-c-x':
			$option['left_front_sidebar'] = 'true';
			$option['right_front_sidebar'] = 'false';
			update_option('nexus-options', $option);
            break;
       	case 'x-c-s':
			$option['left_front_sidebar'] = 'false';
			$option['right_front_sidebar'] = 'true';
			update_option('nexus-options', $option);
            break;
    	case 's-c-s':
			$option['left_front_sidebar'] = 'true';
			$option['right_front_sidebar'] = 'true';
			update_option('nexus-options', $option);
            break;
        case 'x-c-x':
			$option['left_front_sidebar'] = 'false';
			$option['right_front_sidebar'] = 'false';
			update_option('nexus-options', $option);
            break;
	}
	switch($layout_option_subpage) {
		case 's-c-x':
			$option['left_sub_sidebar'] = 'true';
			$option['right_sub_sidebar'] = 'false';
			update_option('nexus-options', $option);
            break;
       	case 'x-c-s':
			$option['left_sub_sidebar'] = 'false';
			$option['right_sub_sidebar'] = 'true';
			update_option('nexus-options', $option);
            break;
    	case 's-c-s':
			$option['left_sub_sidebar'] = 'true';
			$option['right_sub_sidebar'] = 'true';
			update_option('nexus-options', $option);
            break;
        case 'x-c-x':
			$option['left_sub_sidebar'] = 'false';
			$option['right_sub_sidebar'] = 'false';
			update_option('nexus-options', $option);
            break;
	}
}

add_action('init', 'layout_ninja');

// Style Switcher

function rok_switcher() {

	global $tname, $cookie_prefix, $presetstyle, $headerstyle, $bodystyle, $showcasestyle, $primarycolor, $footerstyle;
	
	$cookie_prefix = $tname;
	$cookie_time = time()+31536000;
	$grab_theme = $_GET['tstyle'];
	
	$option = get_option('nexus-options');
	
	$presetstyle = $option['preset_style'];
	$tstyle = $presetstyle;
	
	$headerstyle = $option['header_style'];
    $bodystyle = $option['body_style'];
    $showcasestyle = $option['showcase_style'];
    $primarycolor = $option['primary_color'];
    $footerstyle = $option['footer_style'];
	
	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, $headerstyle, $bodystyle, $showcasestyle, $primarycolor, $footerstyle;
    
    $style = $stylesList[$grab_theme];
    
    $headerstyle = $style[0];
    $bodystyle = $style[1];
    $showcasestyle = $style[2];
    $primarycolor = $style[3];
    $footerstyle = $style[4];
    
}

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() {
	global $tname;
	load_theme_textdomain($tname.'_lang');
}

function _r($str) {
	global $tname;
	return __($str, $tname.'_lang');
}

function _re($str) {
	global $tname;
	_e($str, $tname.'_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');

?>