diff -r 0d9a58d2c515 -r 0d28b7c10758 web/wp-content/themes/thematic/library/extensions/dynamic-classes.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-content/themes/thematic/library/extensions/dynamic-classes.php	Fri Mar 12 13:29:04 2010 +0000
@@ -0,0 +1,399 @@
+<?php
+
+// Generates semantic classes for BODY element
+function thematic_body_class( $print = true ) {
+	global $wp_query, $current_user;
+    
+    $c = '';
+
+	if (apply_filters('thematic_show_bc_wordpress', TRUE)) {
+        // It's surely a WordPress blog, right?
+        $c = array('wordpress');
+    }
+
+	if (apply_filters('thematic_show_bc_datetime', TRUE)) {
+        // Applies the time- and date-based classes (below) to BODY element
+        thematic_date_classes( time(), $c );
+    }
+
+    if (apply_filters('thematic_show_bc_contenttype', TRUE)) {
+        // Generic semantic classes for what type of content is displayed
+        is_front_page()  ? $c[] = 'home'       : null; // For the front page, if set
+        is_home()        ? $c[] = 'blog'       : null; // For the blog posts page, if set
+        is_archive()     ? $c[] = 'archive'    : null;
+        is_date()        ? $c[] = 'date'       : null;
+        is_search()      ? $c[] = 'search'     : null;
+        is_paged()       ? $c[] = 'paged'      : null;
+        is_attachment()  ? $c[] = 'attachment' : null;
+        is_404()         ? $c[] = 'four04'     : null; // CSS does not allow a digit as first character
+    }
+
+    if (apply_filters('thematic_show_bc_singular', TRUE)) {
+        // Special classes for BODY element when a singular post
+        if ( is_singular() ) {
+            $c[] = 'singular';
+        } else {
+            $c[] = 'not-singular';
+        }
+    }
+
+	// Special classes for BODY element when a single post
+	if ( is_single() && apply_filters('thematic_show_bc_singlepost', TRUE)) {
+		$postID = $wp_query->post->ID;
+		the_post();
+
+        // Adds post slug class, prefixed by 'slug-'
+        $c[] = 'slug-' . $wp_query->post->post_name;
+
+		// Adds 'single' class and class with the post ID
+		$c[] = 'single postid-' . $postID;
+
+		// Adds classes for the month, day, and hour when the post was published
+		if ( isset( $wp_query->post->post_date ) )
+			thematic_date_classes( mysql2date( 'U', $wp_query->post->post_date ), $c, 's-' );
+
+		// Adds category classes for each category on single posts
+		if ( $cats = get_the_category() )
+			foreach ( $cats as $cat )
+				$c[] = 's-category-' . $cat->slug;
+
+		// Adds tag classes for each tags on single posts
+		if ( $tags = get_the_tags() )
+			foreach ( $tags as $tag )
+				$c[] = 's-tag-' . $tag->slug;
+
+		// Adds MIME-specific classes for attachments
+		if ( is_attachment() ) {
+			$mime_type = get_post_mime_type();
+			$mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
+				$c[] = 'attachmentid-' . $postID . ' attachment-' . str_replace( $mime_prefix, "", "$mime_type" );
+		}
+
+		// Adds author class for the post author
+		$c[] = 's-author-' . sanitize_title_with_dashes(strtolower(get_the_author_meta('user_nicename', $post->post_author)));
+		rewind_posts();
+		
+		// For posts with excerpts
+		if (has_excerpt())
+			$c[] = 's-has-excerpt';
+			
+		// For posts with comments open or closed
+		if (comments_open()) {
+			$c[] = 's-comments-open';		
+		} else {
+			$c[] = 's-comments-closed';
+		}
+	
+		// For posts with pings open or closed
+		if (pings_open()) {
+			$c[] = 's-pings-open';
+		} else {
+			$c[] = 's-pings-closed';
+		}
+	
+		// For password-protected posts
+		if ( $post->post_password )
+			$c[] = 's-protected';
+	
+		// For sticky posts
+		if (is_sticky())
+		   $c[] = 's-sticky';		
+		
+	}
+
+	// Author name classes for BODY on author archives
+	elseif ( is_author() && apply_filters('thematic_show_bc_authorarchives', TRUE)) {
+		$author = $wp_query->get_queried_object();
+		$c[] = 'author';
+		$c[] = 'author-' . $author->user_nicename;
+	}
+
+	// Category name classes for BODY on category archvies
+	elseif ( is_category() && apply_filters('thematic_show_bc_categoryarchives', TRUE)) {
+		$cat = $wp_query->get_queried_object();
+		$c[] = 'category';
+		$c[] = 'category-' . $cat->slug;
+	}
+
+	// Tag name classes for BODY on tag archives
+	elseif ( is_tag() && apply_filters('thematic_show_bc_tagarchives', TRUE)) {
+		$tags = $wp_query->get_queried_object();
+		$c[] = 'tag';
+		$c[] = 'tag-' . $tags->slug;
+	}
+
+	// Page author for BODY on 'pages'
+	elseif ( is_page() && apply_filters('thematic_show_bc_pages', TRUE)) {
+		$pageID = $wp_query->post->ID;
+		$page_children = wp_list_pages("child_of=$pageID&echo=0");
+		the_post();
+
+        // Adds post slug class, prefixed by 'slug-'
+        $c[] = 'slug-' . $wp_query->post->post_name;
+
+		$c[] = 'page pageid-' . $pageID;
+		
+		$c[] = 'page-author-' . sanitize_title_with_dashes(strtolower(get_the_author_meta('user_nicename', $post->post_author)));
+		
+		// Checks to see if the page has children and/or is a child page; props to Adam
+		if ( $page_children )
+			$c[] = 'page-parent';
+		if ( $wp_query->post->post_parent )
+			$c[] = 'page-child parent-pageid-' . $wp_query->post->post_parent;
+			
+		// For pages with excerpts
+		if (has_excerpt())
+			$c[] = 'page-has-excerpt';
+			
+		// For pages with comments open or closed
+		if (comments_open()) {
+			$c[] = 'page-comments-open';		
+		} else {
+			$c[] = 'page-comments-closed';
+		}
+	
+		// For pages with pings open or closed
+		if (pings_open()) {
+			$c[] = 'page-pings-open';
+		} else {
+			$c[] = 'page-pings-closed';
+		}
+	
+		// For password-protected pages
+		if ( $post->post_password )
+			$c[] = 'page-protected';			
+			
+		// Checks to see if the page is using a template	
+		if ( is_page_template() & !is_page_template('default') )
+			$c[] = 'page-template page-template-' . str_replace( '.php', '-php', get_post_meta( $pageID, '_wp_page_template', true ) );
+		rewind_posts();
+	}
+
+	// Search classes for results or no results
+	elseif ( is_search() && apply_filters('thematic_show_bc_search', TRUE)) {
+		the_post();
+		if ( $wp_query->found_posts > 0 ) {
+			$c[] = 'search-results';
+		} else {
+			$c[] = 'search-no-results';
+		}
+		rewind_posts();
+	}
+
+	if (apply_filters('thematic_show_bc_loggedin', TRUE)) {
+        // For when a visitor is logged in while browsing
+        if ( $current_user->ID )
+            $c[] = 'loggedin';
+    }
+
+	// Paged classes; for 'page X' classes of index, single, etc.
+	if ( (( ( $page = $wp_query->get('paged') ) || ( $page = $wp_query->get('page') ) ) && $page > 1) && apply_filters('thematic_show_bc_pagex', TRUE)) {
+	// Thanks to Prentiss Riddle, twitter.com/pzriddle, for the security fix below. 
+ 			$page = intval($page); // Ensures that an integer (not some dangerous script) is passed for the variable
+		$c[] = 'paged-' . $page;
+		if ( is_single() ) {
+			$c[] = 'single-paged-' . $page;
+		} elseif ( is_page() ) {
+			$c[] = 'page-paged-' . $page;
+		} elseif ( is_category() ) {
+			$c[] = 'category-paged-' . $page;
+		} elseif ( is_tag() ) {
+			$c[] = 'tag-paged-' . $page;
+		} elseif ( is_date() ) {
+			$c[] = 'date-paged-' . $page;
+		} elseif ( is_author() ) {
+			$c[] = 'author-paged-' . $page;
+		} elseif ( is_search() ) {
+			$c[] = 'search-paged-' . $page;
+		}
+	}
+	
+	if (apply_filters('thematic_show_bc_browser', TRUE)) {
+        // A little Browser detection shall we?
+        $browser = $_SERVER[ 'HTTP_USER_AGENT' ];
+	
+        // Mac, PC ...or Linux
+        if ( preg_match( "/Mac/", $browser ) ){
+			$c[] = 'mac';
+		
+        } elseif ( preg_match( "/Windows/", $browser ) ){
+			$c[] = 'windows';
+		
+        } elseif ( preg_match( "/Linux/", $browser ) ) {
+			$c[] = 'linux';
+
+        } else {
+			$c[] = 'unknown-os';
+        }
+	
+        // Checks browsers in this order: Chrome, Safari, Opera, MSIE, FF
+        if ( preg_match( "/Chrome/", $browser ) ) {
+			$c[] = 'chrome';
+
+			preg_match( "/Chrome\/(\d.\d)/si", $browser, $matches);
+			$ch_version = 'ch' . str_replace( '.', '-', $matches[1] );      
+			$c[] = $ch_version;
+
+        } elseif ( preg_match( "/Safari/", $browser ) ) {
+			$c[] = 'safari';
+			
+			preg_match( "/Version\/(\d.\d)/si", $browser, $matches);
+			$sf_version = 'sf' . str_replace( '.', '-', $matches[1] );      
+			$c[] = $sf_version;
+			
+        } elseif ( preg_match( "/Opera/", $browser ) ) {
+			$c[] = 'opera';
+			
+			preg_match( "/Opera\/(\d.\d)/si", $browser, $matches);
+			$op_version = 'op' . str_replace( '.', '-', $matches[1] );      
+			$c[] = $op_version;
+			
+        } elseif ( preg_match( "/MSIE/", $browser ) ) {
+			$c[] = 'msie';
+			
+			if( preg_match( "/MSIE 6.0/", $browser ) ) {
+					$c[] = 'ie6';
+			} elseif ( preg_match( "/MSIE 7.0/", $browser ) ){
+					$c[] = 'ie7';
+			} elseif ( preg_match( "/MSIE 8.0/", $browser ) ){
+					$c[] = 'ie8';
+			}
+			
+        } elseif ( preg_match( "/Firefox/", $browser ) && preg_match( "/Gecko/", $browser ) ) {
+			$c[] = 'firefox';
+			
+			preg_match( "/Firefox\/(\d)/si", $browser, $matches);
+			$ff_version = 'ff' . str_replace( '.', '-', $matches[1] );      
+			$c[] = $ff_version;
+			
+        } else {
+			$c[] = 'unknown-browser';
+        }
+	}
+	
+
+	// Separates classes with a single space, collates classes for BODY
+	$c = join( ' ', apply_filters( 'body_class',  $c ) ); // Available filter: body_class
+
+	// And tada!
+	return $print ? print($c) : $c;
+}
+
+// Generates semantic classes for each post DIV element
+function thematic_post_class( $print = true ) {
+	global $post, $thematic_post_alt;
+
+	// hentry for hAtom compliace, gets 'alt' for every other post DIV, describes the post type and p[n]
+	$c = array( 'hentry', "p$thematic_post_alt", $post->post_type, $post->post_status );
+
+	// Author for the post queried
+	$c[] = 'author-' . sanitize_title_with_dashes(strtolower(get_the_author('login')));
+
+	// Category for the post queried
+	foreach ( (array) get_the_category() as $cat )
+		$c[] = 'category-' . $cat->slug;
+
+	// Tags for the post queried; if not tagged, use .untagged
+	if ( get_the_tags() == null ) {
+		$c[] = 'untagged';
+	} else {
+		foreach ( (array) get_the_tags() as $tag )
+			$c[] = 'tag-' . $tag->slug;
+	}
+
+	// For posts with excerpts
+	if (has_excerpt())
+		$c[] = 'has-excerpt';
+		
+	// For posts with comments open or closed
+	if (comments_open()) {
+		$c[] = 'comments-open';		
+	} else {
+		$c[] = 'comments-closed';
+	}
+
+	// For posts with pings open or closed
+	if (pings_open()) {
+		$c[] = 'pings-open';
+	} else {
+		$c[] = 'pings-closed';
+	}
+
+	// For password-protected posts
+	if ( $post->post_password )
+		$c[] = 'protected';
+
+	// For sticky posts
+	if (is_sticky())
+	   $c[] = 'sticky';
+
+	// Applies the time- and date-based classes (below) to post DIV
+	thematic_date_classes( mysql2date( 'U', $post->post_date ), $c );
+
+	// If it's the other to the every, then add 'alt' class
+	if ( ++$thematic_post_alt % 2 )
+		$c[] = 'alt';
+
+    // Adds post slug class, prefixed by 'slug-'
+    $c[] = 'slug-' . $post->post_name;
+
+	// Separates classes with a single space, collates classes for post DIV
+	$c = join( ' ', apply_filters( 'post_class', $c ) ); // Available filter: post_class
+
+	// And tada!
+	return $print ? print($c) : $c;
+}
+
+// Define the num val for 'alt' classes (in post DIV and comment LI)
+$thematic_post_alt = 1;
+
+// Generates semantic classes for each comment LI element
+function thematic_comment_class( $print = true ) {
+	global $comment, $post, $thematic_comment_alt, $comment_depth, $comment_thread_alt;
+
+	// Collects the comment type (comment, trackback),
+	$c = array( $comment->comment_type );
+
+	// Counts trackbacks (t[n]) or comments (c[n])
+	if ( $comment->comment_type == 'comment' ) {
+		$c[] = "c$thematic_comment_alt";
+	} else {
+		$c[] = "t$thematic_comment_alt";
+	}
+
+	// If the comment author has an id (registered), then print the log in name
+	if ( $comment->user_id > 0 ) {
+		$user = get_userdata($comment->user_id);
+		// For all registered users, 'byuser'; to specificy the registered user, 'commentauthor+[log in name]'
+		$c[] = 'byuser comment-author-' . sanitize_title_with_dashes(strtolower( $user->user_login ));
+		// For comment authors who are the author of the post
+		if ( $comment->user_id === $post->post_author )
+			$c[] = 'bypostauthor';
+	}
+
+	// If it's the other to the every, then add 'alt' class; collects time- and date-based classes
+	thematic_date_classes( mysql2date( 'U', $comment->comment_date ), $c, 'c-' );
+	if ( ++$thematic_comment_alt % 2 )
+		$c[] = 'alt';
+
+	// Comment depth
+	$c[] = "depth-$comment_depth";
+
+	// Separates classes with a single space, collates classes for comment LI
+	$c = join( ' ', apply_filters( 'comment_class', $c ) ); // Available filter: comment_class
+
+	// Tada again!
+	return $print ? print($c) : $c;
+}
+
+// Generates time- and date-based classes for BODY, post DIVs, and comment LIs; relative to GMT (UTC)
+function thematic_date_classes( $t, &$c, $p = '' ) {
+	$t = $t + ( get_option('gmt_offset') * 3600 );
+	$c[] = $p . 'y' . gmdate( 'Y', $t ); // Year
+	$c[] = $p . 'm' . gmdate( 'm', $t ); // Month
+	$c[] = $p . 'd' . gmdate( 'd', $t ); // Day
+	$c[] = $p . 'h' . gmdate( 'H', $t ); // Hour
+}
+
+// Remember: Thematic, like The Sandbox, is for play.
+?>
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