dsader

/************************
* Theme-Showcase ********
*************************/
// METHOD 1
function list_all_wpmu_themes() {
$themes = get_themes();
$ct = current_theme_info();
$allowed_themes = apply_filters("allowed_themes", get_site_allowed_themes() );
if( $allowed_themes == false )
	$allowed_themes = array();
reset( $themes );
foreach( $themes as $key => $theme ) {
    if( isset( $allowed_themes[ wp_specialchars( $theme[ 'Stylesheet' ] ) ] ) == false ) {
		unset( $themes[ $key ] );
    }
}
reset( $themes );
	$theme_names = array_keys($themes);
	natcasesort($theme_names);

	// Pagination
	        $themes_per_page = (int) apply_filters('themes_per_page', 30);
	        $actual_page = (int) ( isset($_GET['pagination']) ) ? $_GET['pagination'] : 1;

	        $found_themes = count($theme_names);
	        $max_num_pages = ceil($found_themes/$themes_per_page);

if( $actual_page != 1 ) {
	                if($actual_page > $max_num_pages) {
	                        $actual_page = $max_num_pages;
	                }
	        }

        $start = ($actual_page - 1) * $themes_per_page;
	        $end = $start + $themes_per_page;

	        if ( $max_num_pages > 1 ) {
	                $output = '<div class="pagination" style="float:right;" >';
 	                $output .= __('Page: ');
	                for ( $i = 1; $i <= $max_num_pages; $i++ ) {
	                $page_link = $_SERVER['REQUEST_URI'];
					$page_link = add_query_arg( array('pagination' => $i), $page_link );
	                        $output .= '| <a href="'.$page_link.'">'.$i.'</a> ';
	                }
	                $output .= '| </div>';
	                echo $output;
	        }

	        $i = 0;
	        foreach ( (array) $theme_names as $theme_name) {
	                if ( ($i >= $start) && ($i < $end) ) {
	                        $template = $themes[$theme_name]['Template'];
	                        $stylesheet = $themes[$theme_name]['Stylesheet'];
	                        $title = $themes[$theme_name]['Title'];
	                        $version = $themes[$theme_name]['Version'];
	                        $description = $themes[$theme_name]['Description'];
	                        $author = $themes[$theme_name]['Author'];
	                        $screenshot = $themes[$theme_name]['Screenshot'];
	                        $stylesheet_dir = $themes[$theme_name]['Stylesheet Dir'];
							$preview_link = clean_url( get_option('home') . '/');
							$preview_link = add_query_arg( array('preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'TB_iframe' => 'true', 'width' => 800, 'height' => 600 ), $preview_link );
							$preview_text = attribute_escape( sprintf( __('Preview of "%s"'), $title ) );
							$thickbox_class = 'thickbox';
	                        ?>
	                        <div class="available-theme">
	                        <h3><a class="<?php echo $thickbox_class; ?>" href="<?php echo $preview_link; ?>"><?php echo $title; ?></a></h3>
 			<?php if ( $screenshot ) : ?>
			<div class="entry"><p class="themeactions"><a class="<?php echo $thickbox_class; ?>" href='<?php echo $preview_link; ?>' title='<?php echo $preview_text; ?>'><img class="alignleft" style="margin-right:10px" src="<?php echo WP_CONTENT_URL . $stylesheet_dir . '/' . $screenshot; ?>" width="120" alt="<?php echo attribute_escape(strip_tags($title)); ?>" /></a> </p>
			<?php endif; ?>
			<p><?php echo $description; ?></p></div>
			<noscript><p class="themeactions"><a href="<?php echo $preview_link; ?>" title="<?php echo $preview_text; ?>"><?php _e('Preview'); ?></a> <a href="<?php echo $activate_link; ?>" title="<?php echo $activate_text; ?>"><?php _e('Activate'); ?></a></p></noscript>
			<div style="display:none;"><a class="previewlink" href="<?php echo $preview_link; ?>"><?php echo $preview_text; ?></a> <a class="activatelink" href="<?php echo $activate_link; ?>"><?php echo $activate_text; ?></a></div>
		     </div>
	         <?php
	         }
	        $i++;
	        } // end foreach theme_names

	        if ( $max_num_pages > 1 ) {
	                $output = '<div class="pagination" style="float:right;" >';
 	                $output .= __('Page: ');
	                for ( $i = 1; $i <= $max_num_pages; $i++ ) {
	                $page_link = $_SERVER['REQUEST_URI'];
					$page_link = add_query_arg( array('pagination' => $i), $page_link );
	                        $output .= '| <a href="'.$page_link.'">'.$i.'</a> '; // add_query_arg instead
	                }
	              //  $output = str_replace('pagination='.$actual_page.'">', 'pagination='.$actual_page.'" class="current_page">', $output);
	                $output .= '| </div>';
	                echo $output;
	        }
}
function ds_theme_preview_scripts() { ?>
<script src="<?php bloginfo('url'); ?>/wp-includes/js/jquery/jquery.js" type="text/javascript"></script>
<script src="<?php bloginfo('url'); ?>/wp-includes/js/jquery/jquery.color.js" type="text/javascript"></script>
<script src="<?php bloginfo('url'); ?>/wp-admin/js/theme-preview.js" type="text/javascript"></script>
<script src="<?php bloginfo('url'); ?>/wp-includes/js/thickbox/thickbox.js" type="text/javascript"></script>
<link rel="stylesheet" href="<?php bloginfo('url'); ?>/wp-includes/js/thickbox/thickbox.css" type="text/css" media="screen" />
<?php
}
 if (strpos($_SERVER['REQUEST_URI'], 'page_id=37') || strpos($_SERVER['REQUEST_URI'], 'theme-showcase'))
add_action('wp_head','ds_theme_preview_scripts');
// METHOD 2