Changeset 3303 for trunk/wp-includes/template-functions-post.php

Timestamp:

12/13/2005 07:19:56 PM (20 years ago)

Author:

ryan

Message:

Attachment enhancements from skeltoac. fixes #2074

File:

• trunk/wp-includes/template-functions-post.php (modified) (1 diff)

trunk/wp-includes/template-functions-post.php

@@ -440 +440 @@
 }
 
-function prepend_attachment($content) {
-    global $post;
-
-    $p = '<p class="attachment">';
-
-    if ( '' != $post->guid ) {
-        if ( substr($post->post_mime_type, 0, 6) == 'image/' )
-            $p .= '<a href="' . $post->guid . '" title="Click for full-size image" ><img class="attachmentimage" src="' . $post->guid . '" alt="' . $post->post_title . '" /></a>';
-        else
-            $p .= __('Attachment') . ' (' . $post->post_mime_type . ')';
+function the_attachment_link($id = 0, $fullsize = false, $max_dims = false) {
+    echo get_the_attachment_link($id, $fullsize, $max_dims);
+}
+
+function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false) {
+    $id = (int) $id;
+    $_post = & get_post($id);
+
+    if ( ('attachment' != $_post->post_status) || ('' == $_post->guid) )
+        return __('Missing Attachment');
+
+    if (! empty($_post->guid) ) {
+        $innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
+
+        return "<a href=\"{$_post->guid}\" title=\"{$_post->post_title}\" >{$innerHTML}</a>";
+
     } else {
         $p .= __('Missing attachment');
     }
-
+    return $p;
+}
+
+function get_attachment_icon($id = 0, $fullsize = false, $max_dims = false) {
+    $id = (int) $id;
+    $post = & get_post($id);
+
+    $mime = $post->post_mime_type;
+
+    $imagedata = get_post_meta($post->ID, '_wp_attachment_metadata', true);
+
+    $file = get_post_meta($post->ID, '_wp_attached_file', true);
+
+    if ( !$fullsize && !empty($imagedata['thumb'])
+            && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file))
+            && file_exists($thumbfile) ) {
+
+        // We have a thumbnail desired, specified and existing
+
+        $src = str_replace(basename($post->guid), $imagedata['thumb'], $post->guid);
+        $src_file = $thumbfile;
+        $class = 'attachmentthumb';
+
+    } elseif ( substr($mime, 0, 6) == 'image/'
+            && file_exists($file) ) {
+
+        // We have an image without a thumbnail
+
+        $src = $post->guid;
+        $src_file = & $file;
+        $class = 'attachmentimage';
+    } elseif (! empty($mime) ) {
+
+        // No thumb, no image. We'll look for a mime-related icon instead.
+        $icon_dir = apply_filters('icon_dir', get_template_directory().'/images');
+        $icon_dir_uri = apply_filters('icon_dir_uri', get_template_directory_uri().'/images');
+
+        $types = array(substr($mime, 0, strpos($mime, '/')), substr($mime, strpos($mime, '/') + 1), str_replace('/', '_', $mime));
+        $exts = array('jpg', 'gif', 'png');
+        foreach ($types as $type) {
+            foreach ($exts as $ext) {
+                $src_file = "$icon_dir/$type.$ext";
+                if ( file_exists($src_file) ) {
+                    $src = "$icon_dir_uri/$type.$ext";
+                    break 2;
+                }
+            }
+        }
+    }
+
+    if (! isset($src) )
+        return false;
+
+    // Do we need to constrain the image?
+    if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
+
+        $imagesize = getimagesize($src_file);
+
+        if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
+            $actual_aspect = $imagesize[0] / $imagesize[1];
+            $desired_aspect = $max_dims[0] / $max_dims[1];
+
+            if ( $actual_aspect >= $desired_aspect ) {
+                $height = $actual_aspect * $max_dims[0];
+                $constraint = "width=\"{$max_dims[0]}\" ";
+                $post->iconsize = array($max_dims[0], $height);
+            } else {
+                $width = $max_dims[1] / $actual_aspect;
+                $constraint = "height=\"{$max_dims[1]}\" ";
+                $post->iconsize = array($width, $max_dims[1]);
+            }
+        } else {
+            $post->iconsize = array($imagesize[0], $imagesize[1]);
+        }
+    }
+
+    $icon = "<img src=\"{$src}\" title=\"{$post->post_title}\" {$constraint}/>";
+
+    return apply_filters('attachment_icon', $icon, $post->ID);
+}
+
+function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
+    $id = (int) $id;
+
+    if ( $innerHTML = get_attachment_icon($id, $fullsize, $max_dims))
+        return $innerHTML;
+
+    $post = & get_post($id);
+
+    $innerHTML = $post->post_title;
+
+    return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
+}
+
+function prepend_attachment($content) {
+    $p = '<p class="attachment">';
+    $p .= get_the_attachment_link(false, true, array(400, 300));
     $p .= '</p>';
+    $p = apply_filters('prepend_attachment', $p);
 
     return "$p\n$content";
 }
+
 ?>