From 45fc6c16646c577dc9cb94cc904ac8b992994191 Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Thu, 20 Oct 2005 20:48:32 +0000
Subject: [PATCH] Image fu from Andy.  fixes #1776

git-svn-id: http://svn.automattic.com/wordpress/trunk@2958 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/admin-functions.php             |   2 +
 wp-admin/image-uploading.php             |  90 +++++++++++++---
 wp-commentsrss2.php                      |   4 +-
 wp-content/themes/default/footer.php     |   4 +-
 wp-content/themes/default/header.php     |   2 +-
 wp-includes/classes.php                  | 127 ++++++++++++++---------
 wp-includes/functions.php                |  19 ++++
 wp-includes/template-functions-links.php |  53 ++++++++--
 wp-includes/template-functions-post.php  |  20 +++-
 wp-includes/template-loader.php          |  10 +-
 10 files changed, 252 insertions(+), 79 deletions(-)

diff --git a/wp-admin/admin-functions.php b/wp-admin/admin-functions.php
index 784431e16..d2e67b042 100644
--- a/wp-admin/admin-functions.php
+++ b/wp-admin/admin-functions.php
@@ -669,6 +669,8 @@ function wp_create_thumbnail($file, $max_side, $effect = '') {
 			}
 
 		}
+	} else {
+		$error = __('File not found');
 	}
 
 	if (!empty ($error)) {
diff --git a/wp-admin/image-uploading.php b/wp-admin/image-uploading.php
index ad8f3638f..4610790c3 100644
--- a/wp-admin/image-uploading.php
+++ b/wp-admin/image-uploading.php
@@ -135,9 +135,16 @@ $imagedata['height'] = $imagesize['1'];
 list($uwidth, $uheight) = get_udims($imagedata['width'], $imagedata['height']);
 $imagedata['hwstring_small'] = "height='$uheight' width='$uwidth'";
 $imagedata['file'] = $file;
+$imagedata['thumb'] = "thumb-$filename";
 
-if ( false == add_post_meta($id, 'imagedata', $imagedata) )
-	die("failed to add_post_meta");
+add_post_meta($id, 'imagedata', $imagedata);
+
+if ( $imagedata['width'] * $imagedata['height'] < 3 * 1024 * 1024 ) {
+	if ( $imagedata['width'] > 128 && $imagedata['width'] >= $imagedata['height'] * 4 / 3 )
+		$error = wp_create_thumbnail($file, 128);
+	elseif ( $imagedata['height'] > 96 )
+		$error = wp_create_thumbnail($file, 96);
+}
 
 header("Location: ".basename(__FILE__)."?post=$post&all=$all&action=view&last=true");
 die;
@@ -192,24 +199,56 @@ $i = 0;
 $uwidth_sum = 0;
 $images_html = '';
 $images_style = '';
+$images_script = '';
 if ( count($images) > 0 ) {
 	$images = array_slice( $images, 0, $num );
+	$__delete = __('DELETE');
+	$__subpost_on = __('SUBPOST <strong>ON</strong>');
+	$__subpost_off = __('SUBPOST <strong>OFF</strong>');
+	$__thumbnail_on = __('THUMBNAIL <strong>ON</strong>');
+	$__thumbnail_off = __('THUMBNAIL <strong>OFF</strong>');
+	$__no_thumbnail = __('<del>THUMBNAIL</del>');
+	$__close = __('CLOSE');
+	$__confirmdelete = __('Delete this photo from the server?');
+	$__nothumb = __('There is no thumbnail associated with this photo.');
+	$images_script .= "subposton = '$__subpost_on';\nsubpostoff = '$__subpost_off';\n";
+	$images_script .= "thumbnailon = '$__thumbnail_on';\nthumbnailoff = '$__thumbnail_off';\n";
 	foreach ( $images as $key => $image ) {
-		$image = array_merge($image, get_post_meta($image['ID'], 'imagedata', true) );
+		$meta = get_post_meta($image['ID'], 'imagedata', true);
+		if (!is_array($meta)) {
+			wp_delete_object($image['ID']);
+			continue;
+		}
+		$image = array_merge($image, $meta);
+		if ( ($image['width'] > 128 || $image['height'] > 96) && !empty($image['thumb']) && file_exists(dirname($image['file']).'/'.$image['thumb']) ) {
+			$src = str_replace(basename($image['guid']), '', $image['guid']) . $image['thumb'];
+			$images_script .= "src".$i."a = '$src';\nsrc".$i."b = '".$image['guid']."';\n";
+			$thumb = 'true';
+			$thumbtext = $__thumbnail_on;
+		} else {
+			$src = $image['guid'];
+			$thumb = 'false';
+			$thumbtext = $__no_thumbnail;
+		}
 		list($image['uwidth'], $image['uheight']) = get_udims($image['width'], $image['height']);
-		$uwidth_sum += 128; //$image['uwidth'];
+		$height_width = 'height="'.$image['uheight'].'" width="'.$image['uwidth'].'"';
+		$uwidth_sum += 128;
 		$xpadding = (128 - $image['uwidth']) / 2;
 		$ypadding = (96 - $image['uheight']) / 2;
 		$object = $image['ID'];
 		$images_style .= "#target$i img { padding: {$ypadding}px {$xpadding}px; }\n";
+		$href = get_subpost_link($object);
+		$images_script .= "href".$i."a = '$href';\nhref".$i."b = '{$image['guid']}';\n";
 		$images_html .= <<<HERE
 <div id='target$i' class='imagewrap left'>
 	<div id='popup$i' class='popup'>
-		<a onclick='return confirm("Delete this photo from the server?")' href='image-uploading.php?action=delete&amp;object=$object&amp;all=$all&amp;start=$start&amp;post=$post'>DELETE</a>
-		<a onclick="popup.style.display='none';return false;" href="javascript:void()">CANCEL</a>
+		<a id="L$i" onclick="toggleLink($i);return false;" href="javascript:void();">$__subpost_on</a>
+		<a id="I$i" onclick="if($thumb)toggleImage($i);else alert('$__nothumb');return false;" href="javascript:void();">$thumbtext</a>
+		<a onclick="return confirm('$__confirmdelete')" href="image-uploading.php?action=delete&amp;object=$object&amp;all=$all&amp;start=$start&amp;post=$post">$__delete</a>
+		<a onclick="popup.style.display='none';return false;" href="javascript:void()">$__close</a>
 	</div>
-	<a id='link$i' class='imagelink' href='{$image['guid']}' onclick='imagePopup($i);return false;' title='{$image['post_title']}'>
-		<img id='image$i' src='{$image['guid']}' alt='{$image['post_title']}' {$image['hwstring_small']} />
+	<a id="link$i" class="imagelink" href="$href" onclick="imagePopup($i);return false;" title="{$image['post_title']}">
+		<img id='image$i' src='$src' alt='{$image['post_title']}' $height_width />
 	</a>
 </div>
 HERE;
@@ -231,6 +270,9 @@ die('This script was not meant to be called directly.');
 <head>
 <meta http-equiv="imagetoolbar" content="no" />
 <script type="text/javascript">
+/* Define any variables we'll need, such as alternate URLs. */
+<?php echo $images_script; ?>
+
 function validateImageName() {
 /* This is more for convenience than security. Server-side validation is very thorough.*/
 obj = document.getElementById('upload');
@@ -258,6 +300,28 @@ popup.style.display = 'block';
 function init() {
 popup = false;
 }
+function toggleLink(n) {
+	o=document.getElementById('link'+n);
+	oi=document.getElementById('L'+n);
+	if ( oi.innerHTML == subposton ) {
+		o.href = eval('href'+n+'b');
+		oi.innerHTML = subpostoff;
+	} else {
+		o.href = eval('href'+n+'a');
+		oi.innerHTML = subposton;
+	}
+}
+function toggleImage(n) {
+	o = document.getElementById('image'+n);
+	oi = document.getElementById('I'+n);
+	if ( oi.innerHTML == thumbnailon ) {
+		o.src = eval('src'+n+'b');
+		oi.innerHTML = thumbnailoff;
+	} else {
+		o.src = eval('src'+n+'a');
+		oi.innerHTML = thumbnailon;
+	}
+}
 </script>
 <style type="text/css">
 body {
@@ -369,11 +433,11 @@ margin-top: 2px;
 text-align: right;
 }
 .popup {
-margin: 23px 9px;
-padding: 5px;
+margin: 4px 4px;
+padding: 3px;
 position: absolute;
-width: 100px;
-height: 40px;
+width: 114px;
+height: 82px;
 display: none;
 background-color: rgb(223, 232, 241);
 opacity: .90;
@@ -381,7 +445,6 @@ filter:alpha(opacity=90);
 text-align: center;
 }
 .popup a, .popup a:visited, .popup a:active {
-margin-bottom: 3px;
 background-color: transparent;
 display: block;
 width: 100%;
@@ -389,7 +452,6 @@ text-decoration: none;
 color: #246;
 }
 .popup a:hover {
-margin-bottom: 3px;
 background-color: #fff;
 color: #000;
 }
diff --git a/wp-commentsrss2.php b/wp-commentsrss2.php
index 906d8b9ef..5198d2de8 100644
--- a/wp-commentsrss2.php
+++ b/wp-commentsrss2.php
@@ -32,14 +32,14 @@ if (have_posts()) :
 			comment_author_url, comment_date, comment_date_gmt, comment_content, comment_post_ID, 
 			$wpdb->posts.ID, $wpdb->posts.post_password FROM $wpdb->comments 
 			LEFT JOIN $wpdb->posts ON comment_post_id = id WHERE comment_post_ID = '$id' 
-			AND $wpdb->comments.comment_approved = '1' AND ($wpdb->posts.post_status = 'publish' OR $wpdb->posts.post_status = 'static') 
+			AND $wpdb->comments.comment_approved = '1' AND $wpdb->posts.post_status IN ('publish', 'static', 'object') 
 			AND post_date < '".date("Y-m-d H:i:59")."' 
 			ORDER BY comment_date DESC LIMIT " . get_settings('posts_per_rss') );
 		} else { // if no post id passed in, we'll just ue the last 10 comments.
 			$comments = $wpdb->get_results("SELECT comment_ID, comment_author, comment_author_email, 
 			comment_author_url, comment_date, comment_date_gmt, comment_content, comment_post_ID, 
 			$wpdb->posts.ID, $wpdb->posts.post_password FROM $wpdb->comments 
-			LEFT JOIN $wpdb->posts ON comment_post_id = id WHERE ($wpdb->posts.post_status = 'publish' OR $wpdb->posts.post_status = 'static') 
+			LEFT JOIN $wpdb->posts ON comment_post_id = id WHERE $wpdb->posts.post_status IN ('publish', 'static', 'object') 
 			AND $wpdb->comments.comment_approved = '1' AND post_date < '".date("Y-m-d H:i:s")."'  
 			ORDER BY comment_date DESC LIMIT " . get_settings('posts_per_rss') );
 		}
diff --git a/wp-content/themes/default/footer.php b/wp-content/themes/default/footer.php
index bf2028008..c62443441 100644
--- a/wp-content/themes/default/footer.php
+++ b/wp-content/themes/default/footer.php
@@ -15,6 +15,6 @@
 <?php /* "Just what do you think you're doing Dave?" */ ?>
 
 		<?php wp_footer(); ?>
-
+<?php echo $GLOBALS['dump_bot']; ?>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/wp-content/themes/default/header.php b/wp-content/themes/default/header.php
index 99ff334d6..9c742588d 100644
--- a/wp-content/themes/default/header.php
+++ b/wp-content/themes/default/header.php
@@ -48,7 +48,7 @@
 <?php wp_head(); ?>
 </head>
 <body>
-
+<?php echo $GLOBALS['dump_top']; ?>
 <div id="page">
 
 
diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 240094a16..604a061e5 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -29,7 +29,7 @@ class WP_Query {
 	var $is_404 = false;
 	var $is_comments_popup = false;
 	var $is_admin = false;
-	var $is_object = false;
+	var $is_subpost = false;
 
 	function init_query_flags() {
 		$this->is_single = false;
@@ -49,7 +49,7 @@ class WP_Query {
 		$this->is_404 = false;
 		$this->is_paged = false;
 		$this->is_admin = false;
-		$this->is_object = false;
+		$this->is_subpost = false;
 	}
 	
 	function init () {
@@ -90,13 +90,18 @@ class WP_Query {
 		$qv['m'] =  (int) $qv['m'];
 		$qv['p'] =  (int) $qv['p'];
 
+		if ( ('' != $qv['subpost']) || $qv['subpost_id'] ) {
+			$this->is_single = true;
+			$this->is_subpost = true;
+		}
+
 		if ('' != $qv['name']) {
 			$this->is_single = true;
 		} elseif ( $qv['p'] ) {
 			$this->is_single = true;
 		} elseif (('' != $qv['hour']) && ('' != $qv['minute']) &&('' != $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day'])) {
 			// If year, month, day, hour, minute, and second are set, a single 
-		  // post is being queried.        
+			// post is being queried.        
 			$this->is_single = true;
 		} elseif ('' != $qv['static'] || '' != $qv['pagename'] || '' != $qv['page_id']) {
 			$this->is_page = true;
@@ -208,7 +213,7 @@ class WP_Query {
 			$this->is_admin = true;
 		}
 
-		if ( ! ($this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup)) {
+		if ( ! ($this->is_subpost || $this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup)) {
 			$this->is_home = true;
 		}
 
@@ -335,9 +340,12 @@ class WP_Query {
 			$q['pagename'] = sanitize_title(basename(str_replace('%2F', '/', urlencode($q['pagename']))));
 			$q['name'] = $q['pagename'];
 			$where .= " AND post_name = '" . $q['pagename'] . "'";
+		} elseif ('' != $q['subpost']) {
+			$q['subpost'] = sanitize_title($q['subpost']);
+			$q['name'] = $q['subpost'];
+			$where .= " AND post_name = '" . $q['subpost'] . "'";
 		}
 
-
 		if ( (int) $q['w'] ) {
 			$q['w'] = ''.intval($q['w']);
 			$where .= " AND WEEK(post_date, 1)='" . $q['w'] . "'";
@@ -346,6 +354,10 @@ class WP_Query {
 		if ( intval($q['comments_popup']) )
 			$q['p'] = intval($q['comments_popup']);
 
+		// If a subpost is requested by number, let it supercede any post number.
+		if ( ($q['subpost_id'] != '') && (intval($q['subpost_id']) != 0) )
+			$q['p'] = (int) $q['subpost_id'];
+
 		// If a post number is specified, load that post
 		if (($q['p'] != '') && intval($q['p']) != 0) {
 			$q['p'] =  (int) $q['p'];
@@ -516,7 +528,9 @@ class WP_Query {
 			$distinct = 'DISTINCT';
 		}
 
-		if ($this->is_page) {
+		if ( $this->is_subpost ) {
+			$where .= ' AND (post_status = "object")';
+		} elseif ($this->is_page) {
 			$where .= ' AND (post_status = "static")';
 		} elseif ($this->is_single) {
 			$where .= ' AND (post_status != "static")';
@@ -529,7 +543,7 @@ class WP_Query {
 				$where .= ')';				
 		}
 
-		if (! $this->is_object )
+		if (! $this->is_subpost )
 			$where .= ' AND post_status != "object"';
 
 		// Apply filters on where and join prior to paging so that any
@@ -575,16 +589,17 @@ class WP_Query {
 
 		// Check post status to determine if post should be displayed.
 		if ($this->is_single) {
-			if ('publish' != $this->posts[0]->post_status) {
+			$status = get_post_status($this->posts[0]);
+			if ('publish' != $status) {
 				if ( ! (isset($user_ID) && ('' != intval($user_ID))) ) {
 					// User must be logged in to view unpublished posts.
 					$this->posts = array();
 				} else {
-					if ('draft' == $this->posts[0]->post_status) {
+					if ('draft' == $status) {
 						// User must have edit permissions on the draft to preview.
 						if (! user_can_edit_post($user_ID, $this->posts[0]->ID))
 							$this->posts = array();
-					} elseif ('private' == $this->posts[0]->post_status) {
+					} elseif ('private' == $status) {
 						if ($this->posts[0]->post_author != $user_ID)
 							$this->posts = array();
 					}
@@ -821,19 +836,19 @@ class WP_Rewrite {
 
 	var $queryreplace = 
 		array (
-					 'year=',
-					 'monthnum=',
-					 'day=',
-					 'hour=',
-					 'minute=',
-					 'second=',
-					 'name=',
-					 'p=',
-					 'category_name=',
-					 'author_name=',
-					 'pagename=',
-					 's='
-					 );
+					'year=',
+					'monthnum=',
+					'day=',
+					'hour=',
+					'minute=',
+					'second=',
+					'name=',
+					'p=',
+					'category_name=',
+					'author_name=',
+					'pagename=',
+					's='
+					);
 
 	var $feeds = array ('feed', 'rdf', 'rss', 'rss2', 'atom');
 
@@ -845,16 +860,16 @@ class WP_Rewrite {
 	}					
 
 	function using_index_permalinks() {
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			return false;
-    }
+		}
 
-    // If the index is not in the permalink, we're using mod_rewrite.
-    if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) {
-      return true;
-    }
+		// If the index is not in the permalink, we're using mod_rewrite.
+		if (preg_match('#^/*' . $this->index . '#', $this->permalink_structure)) {
+			return true;
+		}
     
-    return false;
+		return false;
 	}
 
 	function using_mod_rewrite_permalinks() {
@@ -865,15 +880,15 @@ class WP_Rewrite {
 	}					
 
 	function preg_index($number) {
-    $match_prefix = '$';
-    $match_suffix = '';
-    
-    if (! empty($this->matches)) {
+		$match_prefix = '$';
+		$match_suffix = '';
+
+		if (! empty($this->matches)) {
 			$match_prefix = '$' . $this->matches . '['; 
 			$match_suffix = ']';
-    }        
-    
-    return "$match_prefix$number$match_suffix";        
+		}        
+
+		return "$match_prefix$number$match_suffix";        
 	}
 
 	function page_rewrite_rules() {
@@ -897,7 +912,7 @@ class WP_Rewrite {
 			return $this->date_structure;
 		}
 
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			$this->date_structure = '';
 			return false;
 		}
@@ -973,7 +988,7 @@ class WP_Rewrite {
 			return $this->category_structure;
 		}
 
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			$this->category_structure = '';
 			return false;
 		}
@@ -993,7 +1008,7 @@ class WP_Rewrite {
 			return $this->author_structure;
 		}
 
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			$this->author_structure = '';
 			return false;
 		}
@@ -1008,7 +1023,7 @@ class WP_Rewrite {
 			return $this->search_structure;
 		}
 
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			$this->search_structure = '';
 			return false;
 		}
@@ -1023,7 +1038,7 @@ class WP_Rewrite {
 			return $this->page_structure;
 		}
 
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			$this->page_structure = '';
 			return false;
 		}
@@ -1038,7 +1053,7 @@ class WP_Rewrite {
 			return $this->feed_structure;
 		}
 
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			$this->feed_structure = '';
 			return false;
 		}
@@ -1053,7 +1068,7 @@ class WP_Rewrite {
 			return $this->comment_feed_structure;
 		}
 
-    if (empty($this->permalink_structure)) {
+		if (empty($this->permalink_structure)) {
 			$this->comment_feed_structure = '';
 			return false;
 		}
@@ -1158,6 +1173,20 @@ class WP_Rewrite {
 					$trackbackmatch = $match . $trackbackregex;
 					$trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
 					$match = rtrim($match, '/');
+					$submatchbase = str_replace(array('(',')'),'',$match);
+					$sub1 = $submatchbase . '/([^/]+)/';
+					$sub1tb = $sub1 . $trackbackregex;
+					$sub1feed = $sub1 . $feedregex;
+					$sub1feed2 = $sub1 . $feedregex2;
+					$sub1 .= '?$';
+					$sub2 = $submatchbase . '/subpost/([^/]+)/';
+					$sub2tb = $sub2 . $trackbackregex;
+					$sub2feed = $sub2 . $feedregex;
+					$sub2feed2 = $sub2 . $feedregex2;
+					$sub2 .= '?$';
+					$subquery = $index . '?subpost=' . $this->preg_index(1);
+					$subtbquery = $subquery . '&tb=1';
+					$subfeedquery = $subquery . '&feed=' . $this->preg_index(2);
 					$match = $match . '(/[0-9]+)?/?$';
 					$query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1);
 				} else {
@@ -1168,7 +1197,9 @@ class WP_Rewrite {
 				$rewrite = $rewrite + array($match => $query);
 
 				if ($post) {
-					$rewrite = array($trackbackmatch => $trackbackquery) + $rewrite;
+					$rewrite = array($trackbackmatch => $trackbackquery) + $rewrite +
+						array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery) +
+						array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery);
 				}
 			}
 
@@ -1231,6 +1262,7 @@ class WP_Rewrite {
 
 		do_action('generate_rewrite_rules', array(&$this));
 		$this->rules = apply_filters('rewrite_rules_array', $this->rules);
+
 		return $this->rules;
 	}
 
@@ -1329,7 +1361,7 @@ class WP_Rewrite {
 }
 
 class WP {
-	var $public_query_vars = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence', 'debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup');
+	var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'subpost', 'subpost_id');
 
 	var $private_query_vars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging');
 
@@ -1397,8 +1429,9 @@ class WP {
 				foreach ($rewrite as $match => $query) {
 					// If the requesting file is the anchor of the match, prepend it
 					// to the path info.
-					if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
+					if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request)) {
 						$request_match = $req_uri . '/' . $request;
+die("$request_match $match<br />");
 					}
 
 					if (preg_match("!^$match!", $request_match, $matches)) {
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index ad54d26fe..34ae916ab 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1384,6 +1384,12 @@ function is_page ($page = '') {
 	return false;
 }
 
+function is_subpost () {
+	global $wp_query;
+
+	return $wp_query->is_subpost;
+}
+
 function is_archive () {
 	global $wp_query;
 
@@ -1869,6 +1875,19 @@ function get_single_template() {
 	return get_query_template('single');
 }
 
+function get_subpost_template() {
+	global $posts;
+	$type = explode('/', $posts[0]->post_type);
+	if ( $template = get_query_template($type[0]) )
+		return $template;
+	elseif ( $template = get_query_template($type[1]) )
+		return $template;
+	elseif ( $template = get_query_template("$type[0]_$type[1]") )
+		return $template;
+	else
+		return get_query_template('subpost');
+}
+
 function get_comments_popup_template() {
 	if ( file_exists( TEMPLATEPATH . '/comments-popup.php') )
 		$template = TEMPLATEPATH . '/comments-popup.php';
diff --git a/wp-includes/template-functions-links.php b/wp-includes/template-functions-links.php
index 7132072e6..07b3aa5dd 100644
--- a/wp-includes/template-functions-links.php
+++ b/wp-includes/template-functions-links.php
@@ -44,6 +44,8 @@ function get_permalink($id = 0) {
 	$post = &get_post($id);
 	if ( $post->post_status == 'static' )
 		return get_page_link($post->ID);
+	elseif ($post->post_status == 'object')
+		return get_subpost_link($post->ID);
 
 	$permalink = get_settings('permalink_structure');
 
@@ -100,6 +102,30 @@ function get_page_link($id = false) {
 	return apply_filters('page_link', $link, $id);
 }
 
+function get_subpost_link($id = false) {
+	global $post, $wp_rewrite;
+
+	$link = false;
+
+	if (! $id) {
+		$id = $post->ID;
+	}
+
+	$object = get_post($id);
+	if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) ) {
+		$parent = get_post($object->post_parent);
+		$parentlink = get_permalink($object->post_parent);
+		if (! strstr($parentlink, '?') )
+			$link = trim($parentlink, '/') . '/' . $object->post_name . '/';
+	}
+
+	if (! $link ) {
+		$link = get_bloginfo('home') . "/?subpost_id=$id";
+	}
+
+	return apply_filters('object_link', $link, $id);
+}
+
 function get_year_link($year) {
 	global $wp_rewrite;
 	if ( !$year )
@@ -183,8 +209,9 @@ function edit_post_link($link = 'Edit This', $before = '', $after = '') {
 
 	get_currentuserinfo();
 
-	if ( !user_can_edit_post($user_ID, $post->ID) )
+	if ( !user_can_edit_post($user_ID, $post->ID) || is_subpost() ) {
 		return;
+	}
 
 	$location = get_settings('siteurl') . "/wp-admin/post.php?action=edit&amp;post=$post->ID";
 	echo $before . "<a href=\"$location\">$link</a>" . $after;
@@ -207,11 +234,11 @@ function edit_comment_link($link = 'Edit This', $before = '', $after = '') {
 function get_previous_post($in_same_cat = false, $excluded_categories = '') {
 	global $post, $wpdb;
 
-	if ( !is_single() )
+	if( !is_single() || is_subpost() )
 		return null;
 
 	$current_post_date = $post->post_date;
-	
+
 	$join = '';
 	if ( $in_same_cat ) {
 		$join = " INNER JOIN $wpdb->post2cat ON $wpdb->posts.ID= $wpdb->post2cat.post_id ";
@@ -238,7 +265,7 @@ function get_previous_post($in_same_cat = false, $excluded_categories = '') {
 function get_next_post($in_same_cat = false, $excluded_categories = '') {
 	global $post, $wpdb;
 
-	if ( !is_single() )
+	if( !is_single() || is_subpost() )
 		return null;
 
 	$current_post_date = $post->post_date;
@@ -270,7 +297,13 @@ function get_next_post($in_same_cat = false, $excluded_categories = '') {
 
 
 function previous_post_link($format='&laquo; %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
-	$post = get_previous_post($in_same_cat, $excluded_categories);
+	if ( is_subpost() ) {
+		$post = & get_post($GLOBALS['post']->post_parent);
+		$pre = __('Belongs to ');
+	} else {
+		$post = get_previous_post($in_same_cat, $excluded_categories);
+		$pre = '';
+	}
 
 	if ( !$post )
 		return;
@@ -278,10 +311,10 @@ function previous_post_link($format='&laquo; %link', $link='%title', $in_same_ca
 	$title = apply_filters('the_title', $post->post_title, $post);
 	$string = '<a href="'.get_permalink($post->ID).'">';
 	$link = str_replace('%title', $title, $link);
-	$link = $string . $link . '</a>';
-	$format = str_replace('%link', $link, $format);
+	$link = $pre . $string . $link . '</a>';
 
-	echo $format;
+	$format = str_replace('%link', $link, $format);
+	echo $format;	    
 }
 
 function next_post_link($format='%link &raquo;', $link='%title', $in_same_cat = false, $excluded_categories = '') {
@@ -296,7 +329,7 @@ function next_post_link($format='%link &raquo;', $link='%title', $in_same_cat =
 	$link = $string . $link . '</a>';
 	$format = str_replace('%link', $link, $format);
 
-	echo $format;
+	echo $format;	    
 }
 
 
@@ -491,4 +524,4 @@ function posts_nav_link($sep=' &#8212; ', $prelabel='&laquo; Previous Page', $nx
 	}
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/wp-includes/template-functions-post.php b/wp-includes/template-functions-post.php
index ef3294b9e..1f76b034b 100644
--- a/wp-includes/template-functions-post.php
+++ b/wp-includes/template-functions-post.php
@@ -438,4 +438,22 @@ function _page_level_out($parent, $page_tree, $args, $depth = 0, $echo = true) {
 		return $output;
 }
 
-?>
\ No newline at end of file
+function prepend_object($content) {
+	global $post;
+
+	$p = '<p class="subpostobject">';
+
+	if ( '' != $post->guid ) {
+		if ( substr($post->post_type, 0, 6) == 'image/' )
+			$p .= '<a href="' . $post->guid . '" title="Click for full-size image" ><img class="subpostimage" src="' . $post->guid . '" alt="' . $post->post_title . '" /></a>';
+		else
+			$p .= __('Attachment') . ' (' . $post->post_type . ')';
+	} else {
+		$p .= __('Missing attachment');
+	}
+
+	$p .= '</p>';
+
+	return "$p\n$content";
+}
+?>
diff --git a/wp-includes/template-loader.php b/wp-includes/template-loader.php
index 07bda7c6f..667802727 100644
--- a/wp-includes/template-loader.php
+++ b/wp-includes/template-loader.php
@@ -1,5 +1,4 @@
 <?php
-
 if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
 	do_action('template_redirect');
 	if ( is_feed() ) {
@@ -17,10 +16,17 @@ if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
 	} else if ( is_home() && get_home_template() ) {
 		include(get_home_template());
 		exit;
+	} else if ( is_subpost() && get_subpost_template() ) {
+		include(get_subpost_template());
+		exit;
 	} else if ( is_single() && get_single_template() ) {
+		if ( is_subpost() )
+			add_filter('the_content', 'prepend_object');
 		include(get_single_template());
 		exit;
 	} else if ( is_page() && get_page_template() ) {
+		if ( is_subpost() )
+			add_filter('the_content', 'prepend_object');
 		include(get_page_template());
 		exit;
 	} else if ( is_category() && get_category_template()) {
@@ -56,4 +62,4 @@ if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
 	}
 }
 
-?>
\ No newline at end of file
+?>