<?php
define('THEME_NAME',"sadness");
global $wp_version;
define('WP_VERSION', $wp_version);
define('THEME_NS', 'twentyten');
define('THEME_LANGS_FOLDER','/languages');
if (class_exists('xili_language')) {
	define('THEME_TEXTDOMAIN',THEME_NS);
} else {
	load_theme_textdomain(THEME_NS, TEMPLATEPATH . THEME_LANGS_FOLDER);
}
mb_internal_encoding(get_bloginfo('charset'));
mb_regex_encoding(get_bloginfo('charset'));

global $wp_locale;
if (isset($wp_locale)){
	$wp_locale->text_direction = 'ltr';
}

if (WP_VERSION < 3.0){
	require_once(TEMPLATEPATH . '/library/legacy.php');
}

theme_include_lib('defaults.php');
theme_include_lib('misc.php');
theme_include_lib('wrappers.php');
theme_include_lib('sidebars.php');
theme_include_lib('navigation.php');
theme_include_lib('shortcodes.php');
if (WP_VERSION >= 3.0) {
	theme_include_lib('widgets.php');
}

if (!function_exists('theme_favicon')) {
	function theme_favicon() { 
		if (is_file(TEMPLATEPATH .'/favicon.ico')):?>
<link rel="shortcut icon" href="<?php bloginfo('template_directory'); ?>/favicon.ico" />
		<?php endif;
	}
}
add_action('wp_head', 'theme_favicon');
add_action('admin_head', 'theme_favicon');
add_action('login_head', 'theme_favicon');

if ( function_exists( 'add_theme_support' ) ) {
	add_theme_support( 'post-thumbnails' );
	add_theme_support( 'nav-menus' );
	add_theme_support( 'automatic-feed-links' );
	add_theme_support( 'post-formats', array( 'aside', 'gallery' ) );
}
if (function_exists('register_nav_menus')) {
	register_nav_menus(array('primary-menu'	=>	__( 'Primary Navigation', THEME_NS)));
}


if(is_admin()){
	theme_include_lib('options.php');
	theme_include_lib('admins.php');
	function theme_add_option_page() {
		add_theme_page(__('Theme Options', THEME_NS), __('Theme Options', THEME_NS), 'edit_themes', basename(__FILE__), 'theme_print_options');
	} 
	add_action('admin_menu', 'theme_add_option_page');
	if (WP_VERSION >= 3.0) {
		add_action('sidebar_admin_setup', 'theme_widget_process_control');
		add_action('add_meta_boxes', 'theme_add_meta_boxes');
		add_action('save_post', 'theme_save_post');
	}
	return;
}


function theme_get_option($name){
	global $theme_default_options;
	$result = get_option($name);
	if ($result === false) {
		$result = theme_get_array_value($theme_default_options, $name);
	}
	return $result;
}



function theme_get_meta_option($id, $name){
	global $theme_default_meta_options;
	return theme_get_array_value(get_option($name), $id, theme_get_array_value($theme_default_meta_options, $name));
}



function theme_set_meta_option($id, $name, $value){
	$meta_option = get_option($name);
	if (!$meta_option || !is_array($meta_option)) {
		$meta_option = array();
	}
	$meta_option[$id] = $value;
	update_option($name, $meta_option);
}



function theme_get_post_id(){
	$post_id = get_the_ID();
	if($post_id != ''){
		$post_id = 'post-' . $post_id;
	}
	return $post_id;
}



function theme_get_post_class(){
	if (!function_exists('get_post_class')) return '';
	return implode(' ', get_post_class());
}


function theme_include_lib($name){
	if (function_exists('locate_template')){
		locate_template(array('library/'.$name), true);
	} else {
		theme_locate_template(array('library/'.$name), true);
	}
}


if (!function_exists('theme_get_metadata_icons')){
	function theme_get_metadata_icons($icons = '', $class=''){
		global $post;
		if (!is_string($icons) || mb_strlen($icons) == 0) return;
		$icons = explode(",", str_replace(' ', '', $icons));
		if (!is_array($icons) || count($icons) == 0) return;
		$result = array();
		for($i = 0; $i < count($icons); $i++){
			$icon = $icons[$i];
			switch($icon){
				case 'date':
					$result[] = '<span class="postdateicon">' . sprintf( __('<span class="%1$s">Published</span> %2$s', THEME_NS),
									'date',
									sprintf( '<span class="entry-date" title="%1$s">%2$s</span>',
										esc_attr( get_the_time() ),
										get_the_date()
									)
								) . '</span>';
				break;
				case 'author':
					$result[] = '<span class="postauthoricon">' . sprintf(__('<span class="%1$s">By</span> %2$s', THEME_NS),
									'author',
									sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s">%3$s</a></span>',
										get_author_posts_url( get_the_author_meta( 'ID' ) ),
										sprintf( esc_attr(__( 'View all posts by %s', THEME_NS )), get_the_author() ),
										get_the_author()
									)
								) . '</span>';
				break;
				case 'category':
					$categories = get_the_category_list(', ');
					if(mb_strlen($categories) == 0) break;
					$result[] = '<span class="postcategoryicon">' . sprintf(__('<span class="%1$s">Posted in</span> %2$s', THEME_NS), 'categories', get_the_category_list(', ')) . '</span>';
				break;
				case 'tag':
					$tags_list = get_the_tag_list( '', ', ' );
					if(!$tags_list) break;
					$result[] = '<span class="posttagicon">' . sprintf( __( '<span class="%1$s">Tagged</span> %2$s', THEME_NS ), 'tags', $tags_list ) . '</span>';
				break;
				case 'comments':
					if(!comments_open() || !theme_get_option('theme_allow_comments')) break;
					ob_start();
					comments_popup_link( __( 'Leave a comment', THEME_NS ), __( '1 Comment', THEME_NS ), __( '% Comments', THEME_NS ) );
					$result[] = '<span class="postcommentsicon">' . ob_get_clean() . '</span>';
				break;
				case 'edit':
					if (!current_user_can('edit_post', $post->ID)) break;
					ob_start();
					edit_post_link(__('Edit', THEME_NS), '');
					$result[] = '<span class="postediticon">' .ob_get_clean() . '</span>';
				break;
			}
		}
		$result = implode(theme_get_option('theme_metadata_separator'), $result);
		if (theme_is_empty_html($result)) return;
		return "<div class=\"post{$class}icons metadata-icons\">{$result}</div>";
	}
}

if (!function_exists('theme_get_post_thumbnail')){
	function theme_get_post_thumbnail($args = array()){
		global $post;
		
		$size = theme_get_array_value($args, 'size', array(theme_get_option('theme_metadata_thumbnail_width'), theme_get_option('theme_metadata_thumbnail_height')));
		$auto = theme_get_array_value($args, 'auto', theme_get_option('theme_metadata_thumbnail_auto'));
		$featured = theme_get_array_value($args, 'featured', theme_get_option('theme_metadata_use_featured_image_as_thumbnail'));
		$title = theme_get_array_value($args, 'title', get_the_title());

		
		$result = '';

		if ($featured && (function_exists('has_post_thumbnail')) && (has_post_thumbnail())) {
			ob_start();
			the_post_thumbnail($size, array('alt'	=>	'', 'title'	=>	$title));
			$result = ob_get_clean();
		} elseif ($auto) {
			$attachments = get_children(array('post_parent'	=>	$post->ID, 'post_status'	=>	'inherit', 'post_type'	=>	'attachment', 'post_mime_type'	=>	'image', 'order'	=>	'ASC', 'orderby'	=>	'menu_order ID'));
			if($attachments) {
				$attachment = array_shift($attachments);
				$img = wp_get_attachment_image_src($attachment->ID, $size);
				if (isset($img[0])) {
					$result = '<img src="'.$img[0].'" alt="" width="'.$img[1].'" height="'.$img[2].'" title="'.$title.'" class="wp-post-image" />';
				}
			}
		}	
		if($result !== ''){
			$result = '<div class="avatar alignleft"><a href="'.get_permalink($post->ID).'" title="'.$title.'">'.$result.'</a></div>';
		}
		return $result;
	}
}

if (!function_exists('theme_get_content')){
	function theme_get_content($args = array()) {
		$more_tag = theme_get_array_value($args, 'more_tag', __('Continue reading <span class="meta-nav">&rarr;</span>', THEME_NS));
		$content = get_the_content($more_tag);
		// hack for badly written plugins
		ob_start();echo apply_filters('the_content', $content);$content = ob_get_clean();
		return $content . wp_link_pages(array(
		'before' => '<p><span class="page-navi-outer page-navi-caption"><span class="page-navi-inner">' . __('Pages', THEME_NS) . ': </span></span>',
		'after' => '</p>',
		'link_before' => '<span class="page-navi-outer"><span class="page-navi-inner">',
		'link_after' => '</span></span>',
		'echo' => 0
		));
	}
}

if (!function_exists('theme_get_excerpt')){
	function theme_get_excerpt($args = array()) {
		global $post;
		$more_tag = theme_get_array_value($args, 'more_tag', __('Continue reading <span class="meta-nav">&rarr;</span>', THEME_NS));
		$auto = theme_get_array_value($args, 'auto', theme_get_option('theme_metadata_excerpt_auto'));
		$all_words = theme_get_array_value($args, 'all_words', theme_get_option('theme_metadata_excerpt_words'));
		$min_remainder = theme_get_array_value($args, 'min_remainder', theme_get_option('theme_metadata_excerpt_min_remainder'));
		$allowed_tags = theme_get_array_value($args, 'allowed_tags', 
			(theme_get_option('theme_metadata_excerpt_use_tag_filter') 
				? explode(',',str_replace(' ', '', theme_get_option('theme_metadata_excerpt_allowed_tags'))) 
				: null));
		$perma_link = get_permalink($post->ID);
		$more_token = '%%theme_more%%';
		$show_more_tag = false;
		$tag_disbalance = false;
		if (function_exists('post_password_required') && post_password_required($post)){
			return get_the_excerpt();
		}
		if ($auto && has_excerpt($post->ID)) {
			$excerpt = get_the_excerpt();
			$show_more_tag = mb_strlen($post->post_content) > 0;
		} else {
			$excerpt = get_the_content($more_token);
			global $multipage;
			if ($multipage && mb_strpos($excerpt, $more_token) === false){
				$show_more_tag = true;
			}
			if(theme_is_empty_html($excerpt)) return $excerpt;
			if ($allowed_tags !== null) {
				$allowed_tags = '<' .implode('><',$allowed_tags).'>';
				$excerpt = strip_tags($excerpt, $allowed_tags);
			}
			$excerpt = strip_shortcodes($excerpt);
			if (mb_strpos($excerpt, $more_token) !== false) {
				$excerpt = str_replace($more_token, $more_tag, $excerpt);
			} elseif($auto && is_numeric($all_words)) {
				$token = "%theme_tag_token%";
				$content_parts = explode($token, str_replace(array('<', '>'), array($token.'<', '>'.$token), $excerpt));
				$content = array();
				$word_count = 0;
				foreach($content_parts as $part)
				{
					if (mb_strpos($part, '<') !== false || mb_strpos($part, '>') !== false){
						$content[] = array('type'=>'tag', 'content'=>$part);
					} else {
						$all_chunks = preg_split('/([\s])/u', $part, -1, PREG_SPLIT_DELIM_CAPTURE);
						foreach($all_chunks as $chunk) {
							if('' != trim($chunk)) {
								$content[] = array('type'=>'word', 'content'=>$chunk);
								$word_count += 1;
							} elseif($chunk != '') {
								$content[] = array('type'=>'space', 'content'=>$chunk);
							}
						}
					}
				}

				if(($all_words < $word_count) && ($all_words + $min_remainder) <= $word_count) {
					$show_more_tag = true;
					$tag_disbalance = true;
					$current_count = 0;
					$excerpt = '';
					foreach($content as $node) {
						if($node['type'] == 'word') {
							$current_count++;
						} 
						$excerpt .= $node['content'];
						if ($current_count == $all_words){
							break;
						}
					}
					$excerpt .= '&hellip;'; // ...
				}
			}
		}
		if ($show_more_tag) {
			$excerpt = $excerpt.' <a class="more-link" href="'.$perma_link.'">'.$more_tag.'</a>';
		}
		if ($tag_disbalance) {
			$excerpt = force_balance_tags($excerpt);
		}
    // hack for badly written plugins
		ob_start();echo apply_filters('get_the_excerpt', $excerpt);$excerpt = ob_get_clean();
		ob_start();echo apply_filters('the_excerpt', $excerpt);$excerpt = ob_get_clean();
		return $excerpt;
	}
}

if (!function_exists('theme_get_search')){
	function theme_get_search(){
		ob_start();
		get_search_form();
		return ob_get_clean();
	}
}


function theme_is_home(){
	return (is_home() && !is_paged());
}


if (!function_exists('theme_404_content')){
	function theme_404_content($args = ''){
		$args = wp_parse_args($args, 
			array(
				'error_title' => __('Not Found', THEME_NS),
				'error_message' => __( 'Apologies, but the page you requested could not be found. Perhaps searching will help.', THEME_NS),
				'focus_script' => '<script type="text/javascript">jQuery(\'div.content input[name="s"]\').focus();</script>'
			)
		);	
		extract($args);
		theme_post_wrapper(
			array(
					'title' => $error_title,
					'content' => '<p class="center">'. $error_message . '</p>' . "\n" . theme_get_search() . $focus_script
			)
		);
	    
		if (theme_get_option('theme_show_random_posts_on_404_page')){
			ob_start(); 
			echo '<h4 class="box-title">' . theme_get_option('theme_show_random_posts_title_on_404_page') . '</h4>'; ?>
			<ul>
				<?php
					global $post;
					$rand_posts = get_posts('numberposts=5&orderby=rand');
					foreach( $rand_posts as $post ) :
				?>
				<li><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></li>
				<?php endforeach; ?>
			</ul>
			<?php theme_post_wrapper(array('content' => ob_get_clean()));
		}
		if (theme_get_option('theme_show_tags_on_404_page')){
			ob_start();
			echo '<h4 class="box-title">' . theme_get_option('theme_show_tags_title_on_404_page') . '</h4>';
			wp_tag_cloud('smallest=9&largest=22&unit=pt&number=200&format=flat&orderby=name&order=ASC');
			theme_post_wrapper(array('content' => ob_get_clean()));
		}
	}
}

if (!function_exists('theme_page_navigation')){
	function theme_page_navigation($args = '') {
		$args = wp_parse_args($args, array('wrap' => true, 'prev_link' => false, 'next_link' => false));
		$prev_link = $args['prev_link'];
		$next_link = $args['next_link'];
		$wrap = $args['wrap'];
		if (!$prev_link && !$next_link) {
			if (function_exists('wp_page_numbers')) { // http://wordpress.org/extend/plugins/wp-page-numbers/
				ob_start();
				wp_page_numbers();
				theme_post_wrapper(array('content' => ob_get_clean()));
				return;
			} 
			if (function_exists('wp_pagenavi')) { // http://wordpress.org/extend/plugins/wp-pagenavi/
				ob_start();
				wp_pagenavi();
				theme_post_wrapper(array('content' => ob_get_clean()));
				return;
			} 
			//posts
			$prev_link = get_previous_posts_link(__('Newer posts <span class="meta-nav">&rarr;</span>', THEME_NS));
			$next_link = get_next_posts_link(__('<span class="meta-nav">&larr;</span> Older posts', THEME_NS));
		}
		$content = '';
		$next_align = 'left';
		$prev_align = 'right';
		if (function_exists('is_rtl') && is_rtl()){
			$next_align = 'right';
			$prev_align = 'left';
		}
		if ($prev_link || $next_link) {
			$content = <<<EOL
	<div class="navigation">
		<div class="align{$next_align}">{$next_link}</div>
		<div class="align{$prev_align}">{$prev_link}</div>
	 </div>
EOL;
		}
		if ($wrap) {
			theme_post_wrapper(array('content' => $content));	
		} else {
			echo $content;
		}
	}
}

if (!function_exists('theme_get_previous_post_link')){

	function theme_get_previous_post_link($format='&laquo; %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
		return theme_get_adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true);
	}
}

if (!function_exists('theme_get_next_post_link')){
	function theme_get_next_post_link($format='%link &raquo;', $link='%title', $in_same_cat = false, $excluded_categories = '') {
		return theme_get_adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false);
	}
}

if (!function_exists('theme_get_adjacent_image_link')){
	function theme_get_adjacent_image_link($prev = true, $size = 'thumbnail', $text = false) {
		global $post;
		$post = get_post($post);
		$attachments = array_values(get_children( array('post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID') ));

		foreach ( $attachments as $k => $attachment )
			if ( $attachment->ID == $post->ID )
				break;

		$k = $prev ? $k - 1 : $k + 1;

		if ( isset($attachments[$k]) )
			return wp_get_attachment_link($attachments[$k]->ID, $size, true, false, $text);
	}
}

if (!function_exists('theme_get_previous_image_link')){
	function theme_get_previous_image_link($size = 'thumbnail', $text = false) {
		$result = theme_get_adjacent_image_link(true, $size, $text);
		if ($result) $result = '&laquo; ' . $result;
		return $result;
	}
}
	
if (!function_exists('theme_get_next_image_link')){
	function theme_get_next_image_link($size = 'thumbnail', $text = false) {
		$result = theme_get_adjacent_image_link(false, $size, $text);
		if ($result) $result .= ' &raquo;';
		return $result;
	}
}

if (!function_exists('theme_get_adjacent_post_link')){
	function theme_get_adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true) {
		if ( $previous && is_attachment() )
			$post = & get_post($GLOBALS['post']->post_parent);
		else
			$post = get_adjacent_post($in_same_cat, $excluded_categories, $previous);

		if ( !$post )
			return;

		$title = $post->post_title;

		if ( empty($post->post_title) )
			$title = $previous ? __('Previous Post', THEME_NS) : __('Next Post', THEME_NS);

		$title = apply_filters('the_title', $title, $post->ID);
		$short_title = $title;
		if (theme_get_option('theme_single_navigation_trim_title')) {
			$short_title = theme_trim_long_str($title, theme_get_option('theme_single_navigation_trim_len'));
		}
		$date = mysql2date(get_option('date_format'), $post->post_date);
		$rel = $previous ? 'prev' : 'next';

		$string = '<a href="'.get_permalink($post).'" title="'.esc_attr($title).'" rel="'.$rel.'">';
		$link = str_replace('%title', $short_title, $link);
		$link = str_replace('%date', $date, $link);
		$link = $string . $link . '</a>';

		$format = str_replace('%link', $link, $format);

		$adjacent = $previous ? 'previous' : 'next';
		return apply_filters( "{$adjacent}_post_link", $format, $link );
	}
}

if (!function_exists('get_previous_comments_link')) {
	function get_previous_comments_link($label)
	{
		ob_start();
		previous_comments_link($label);
		return ob_get_clean();
	}
}

if (!function_exists('get_next_comments_link')) {
	function get_next_comments_link($label)
	{
		ob_start();
		next_comments_link($label);
		return ob_get_clean();
	}
}

if (!function_exists('theme_comment')){
	function theme_comment( $comment, $args, $depth ) {
		$GLOBALS['comment'] = $comment;
		
		
		switch ( $comment->comment_type ) :
		
			case '' :
		?>
		<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
			<?php ob_start(); ?>
			<div class="comment-author vcard">
				<?php echo theme_get_avatar(array('id' => $comment, 'size' => 48)); ?>
				<?php printf( __( '%s <span class="says">says:</span>', THEME_NS ), sprintf( '<cite class="fn">%s</cite>', get_comment_author_link() ) ); ?>
			</div>
			<?php if ( $comment->comment_approved == '0' ) : ?>
				<em><?php _e( 'Your comment is awaiting moderation.', THEME_NS); ?></em>
				<br />
			<?php endif; ?>

			<div class="comment-meta commentmetadata"><a href="<?php echo esc_url( get_comment_link( $comment->comment_ID ) ); ?>">
				<?php
					printf( __( '%1$s at %2$s', THEME_NS ), get_comment_date(),  get_comment_time() ); ?></a><?php edit_comment_link( __( '(Edit)', THEME_NS), ' ' );
				?>
			</div>

			<div class="comment-body"><?php comment_text(); ?></div>

			<div class="reply">
				<?php comment_reply_link( array_merge( $args, array( 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
			</div>
			<?php theme_post_wrapper(array('content' => ob_get_clean(), 'id' => 'comment-'.get_comment_ID())); ?>


		<?php
				break;
			case 'pingback'  :
			case 'trackback' :
		?>
		<li class="post pingback">
		<?php ob_start(); ?>
			<p><?php _e( 'Pingback:', THEME_NS ); ?> <?php comment_author_link(); ?><?php edit_comment_link( __('(Edit)', THEME_NS), ' ' ); ?></p>
		<?php theme_post_wrapper(array('content' => ob_get_clean(), 'class' => $comment->comment_type));
				break;
		endswitch;
	}
}

if (!function_exists('theme_get_avatar')){
	function theme_get_avatar($args = ''){
	$args = wp_parse_args($args, array('id' => false, 'size' => 96, 'default' => '', 'alt' => false, 'url' => false));
	extract($args);
		$result = get_avatar($id, $size, $default, $alt);
		if ($result) {
			if ($url){
				$result = '<a href="'.esc_url($url).'">' . $result . '</a>';
			}
			$result = '<div class="avatar">' . $result . '</div>';
		}
		return $result;
	}
}

if (!function_exists('get_post_format')){
	function get_post_format(){
		return false;
	}
}