Changeset 7149

Timestamp:

03/04/2008 04:21:37 AM (17 years ago)

Author:

matt

Message:

New functions for attachment image display, fixes #6086. Hat tip: tellyworth.

Location:

trunk

Files:

• wp-admin/includes/schema.php (modified) (1 diff)
• wp-includes/media.php (modified) (2 diffs)
• wp-includes/post-template.php (modified) (5 diffs)

trunk/wp-admin/includes/schema.php

@@ -248 +248 @@
     add_option('thumbnail_size_h', 150);
     add_option('thumbnail_crop', 1);
-    add_option('medium_size_w', '');
-    add_option('medium_size_h', '');
+    add_option('medium_size_w', 300);
+    add_option('medium_size_h', 300);
     add_option('autosave_interval', 60);
 

trunk/wp-includes/media.php

@@ -19 +19 @@
         $max_height = intval(get_option('medium_size_h'));
         // if no width is set, default to the theme content width if available
-        if ( !$max_width ) {
-            // $content_width might be set in the current theme's functions.php
-            if ( !empty($GLOBALS['content_width']) ) {
-                $max_width = $GLOBALS['content_width'];
-            }
-            else
-                $max_width = 500;
-        }
     }
     else { // $size == 'full'
-        $max_width = 0;
-        $max_height = 0;
+        // we're inserting a full size image into the editor.  if it's a really big image we'll scale it down to fit reasonably
+        // within the editor itself, and within the theme's content width if it's known.  the user can resize it in the editor
+        // if they wish.
+        if ( !empty($GLOBALS['content_width']) ) {
+            $max_width = $GLOBALS['content_width'];
+        }
+        else
+            $max_width = 500;
     }
 
@@ -259 +257 @@
 }
 
+// get an image to represent an attachment - a mime icon for files, thumbnail or intermediate size for images
+// returns an array (url, width, height), or false if no image is available
+function wp_get_attachment_image_src($attachment_id, $size='thumbnail') {
+    
+    // get a thumbnail or intermediate image if there is one
+    $image = image_downsize($attachment_id, $size);
+    if ( $image ) {
+        list ( $src, $width, $height ) = $image;
+    }
+    elseif ( $src = wp_mime_type_icon($attachment_id) ) {
+        $icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
+        $src_file = $icon_dir . '/' . basename($src);
+        @list($width, $height) = getimagesize($src_file);
+    }
+    
+    if ( $src && $width && $height )
+        return array( $src, $width, $height );
+    return false;
+}
+
+// as per wp_get_attachment_image_src, but returns an <img> tag
+function wp_get_attachment_image($attachment_id, $size='thumbnail') {
+
+    $html = '';
+    $image = wp_get_attachment_image_src($attachment_id, $size);
+    if ( $image ) {
+        list($src, $width, $height) = $image;
+        $hwstring = image_hwstring($width, $height);
+        $html = '<img src="'.attribute_escape($src).'" '.$hwstring.'class="attachment-'.attribute_escape($size).'" />';
+    }
+    
+    return $html;
+}
 
 ?>

trunk/wp-includes/post-template.php

@@ -363 +363 @@
 //
 
-function the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
-    echo get_the_attachment_link($id, $fullsize, $max_dims, $permalink);
-}
-
+function the_attachment_link($id = 0, $fullsize = false, $deprecated = false, $permalink = false) {
+    if ( $fullsize )
+        echo wp_get_attachment_link($id, 'full', $permalink);
+    else
+        echo wp_get_attachment_link($id, 'thumbnail', $permalink);
+}
+
+// get an attachment page link using an image or icon if possible
+function wp_get_attachment_link($id = 0, $size = 'thumbnail', $permalink = false) {
+    $_post = & get_post( intval($id) );
+
+    if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
+        return __('Missing Attachment');
+
+    if ( $permalink )
+        $url = get_attachment_link($_post->ID);
+
+    $post_title = attribute_escape($_post->post_title);
+
+    $link_text = wp_get_attachment_image($attachment_id, $size);
+    if ( !$link_text )
+        $link_text = $_post->post_title;
+
+    return "<a href='$url' title='$post_title'>$link_text</a>";
+
+}
+
+// deprecated - use wp_get_attachment_link()
 function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
     $id = (int) $id;
@@ -383 +407 @@
 }
 
+
+// deprecated: use wp_get_attachment_image_src()
 function get_attachment_icon_src( $id = 0, $fullsize = false ) {
     $id = (int) $id;
@@ -414 +440 @@
 }
 
+// deprecated: use wp_get_attachment_image()
 function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
     $id = (int) $id;
     if ( !$post = & get_post($id) )
         return false;
-
+        
     if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
         return false;
@@ -457 +484 @@
 }
 
+// deprecated: use wp_get_attachment_image()
 function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
     $id = (int) $id;
@@ -473 +501 @@
 function prepend_attachment($content) {
     $p = '<p class="attachment">';
-    $p .= get_the_attachment_link(false, true, array(400, 300));
+    // show the medium sized image representation of the attachment if available, and link to the raw file
+    $p .= wp_get_attachment_link(0, 'medium', false);
     $p .= '</p>';
     $p = apply_filters('prepend_attachment', $p);