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<title>[21680] trunk/wp-includes/media.php: Introduce wp_prepare_attachment_for_js().</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/21680">21680</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2012-08-31 02:04:40 +0000 (Fri, 31 Aug 2012)</dd>
</dl>
<h3>Log Message</h3>
<pre>Introduce wp_prepare_attachment_for_js(). Prepares an attachment post object to be JSON-encoded and fitted into an Attachment model, for 3.5 media.
props koopersmith. see <a href="http://core.trac.wordpress.org/ticket/21390">#21390</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesmediaphp">trunk/wp-includes/media.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkwpincludesmediaphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/media.php (21679 => 21680)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/media.php 2012-08-31 01:56:00 UTC (rev 21679)
+++ trunk/wp-includes/media.php 2012-08-31 02:04:40 UTC (rev 21680)
</span><span class="lines">@@ -1530,3 +1530,68 @@
</span><span class="cx"> $wp_scripts->add_data( 'wp-plupload', 'data', $script );
</span><span class="cx"> }
</span><span class="cx"> add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
</span><ins>+
+
+/**
+ * Prepares an attachment post object for JS, where it is expected
+ * to be JSON-encoded and fit into an Attachment model.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $attachment Attachment ID or object.
+ * @return array Array of attachment details.
+ */
+function wp_prepare_attachment_for_js( $attachment ) {
+ if ( ! $attachment = get_post( $attachment ) )
+ return;
+
+ if ( 'attachment' != $attachment->post_type )
+ return;
+
+ $meta = wp_get_attachment_metadata( $attachment->ID );
+ list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
+
+ $attachment_url = wp_get_attachment_url( $attachment->ID );
+
+ $response = array(
+ 'id' => $attachment->ID,
+ 'title' => $attachment->post_title,
+ 'filename' => basename( $attachment->guid ),
+ 'url' => $attachment_url,
+ 'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
+ 'author' => $attachment->post_author,
+ 'description' => $attachment->post_content,
+ 'caption' => $attachment->post_excerpt,
+ 'name' => $attachment->post_name,
+ 'status' => $attachment->post_status,
+ 'uploadedTo' => $attachment->post_parent,
+ 'date' => $attachment->post_date_gmt . ' UTC',
+ 'modified' => $attachment->post_modified_gmt . ' UTC',
+ 'mime' => $attachment->post_mime_type,
+ 'type' => $type,
+ 'subtype' => $subtype,
+ );
+
+ if ( 'image' === $type ) {
+ $sizes = array();
+ $base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url );
+
+ foreach ( $meta['sizes'] as $slug => $size ) {
+ $sizes[ $slug ] = array(
+ 'height' => $size['height'],
+ 'width' => $size['width'],
+ 'url' => $base_url . $size['file'],
+ 'orientation' => $size['height'] > $size['width'] ? 'portrait' : 'landscape',
+ );
+ }
+
+ $response = array_merge( $response, array(
+ 'height' => $meta['height'],
+ 'width' => $meta['width'],
+ 'sizes' => $sizes,
+ 'orientation' => $meta['height'] > $meta['width'] ? 'portrait' : 'landscape',
+ ) );
+ }
+
+ return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
+}
</ins></span></pre>
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