=' ) || !version_compare( $wp_version, '3.0', '>=' ) )
{
if( IS_ADMIN && ( !defined( 'DOING_AJAX' ) || !DOING_AJAX ) )
{
require_once ABSPATH.'/wp-admin/includes/plugin.php';
deactivate_plugins( __FILE__ );
wp_die( __('Attachments requires PHP 5.2 or higher, as will WordPress 3.2 and higher. It has been automatically deactivated.') );
}
else
{
return;
}
}
// =========
// = HOOKS =
// =========
if( IS_ADMIN )
{
add_action( 'admin_menu', 'attachments_init' );
add_action( 'admin_head', 'attachments_init_js' );
add_action( 'save_post', 'attachments_save' );
add_action( 'admin_menu', 'attachments_menu' );
add_action( 'admin_footer', 'attachments_footer_js' );
load_plugin_textdomain( 'attachments', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
}
// =============
// = FUNCTIONS =
// =============
/**
* Compares two array values with the same key "order"
*
* @param string $a First value
* @param string $b Second value
* @return int
* @author Jonathan Christopher
*/
function attachments_cmp($a, $b)
{
$a = intval( $a['order'] );
$b = intval( $b['order'] );
if( $a < $b )
{
return -1;
}
else if( $a > $b )
{
return 1;
}
else
{
return 0;
}
}
/**
* Creates the markup for the WordPress admin options page
*
* @return void
* @author Jonathan Christopher
*/
function attachments_options()
{
include 'attachments.options.php';
}
/**
* Creates the entry for Attachments Options under Settings in the WordPress Admin
*
* @return void
* @author Jonathan Christopher
*/
function attachments_menu()
{
add_options_page('Settings', 'Attachments', 'manage_options', __FILE__, 'attachments_options');
}
/**
* Inserts HTML for meta box, including all existing attachments
*
* @return void
* @author Jonathan Christopher
*/
function attachments_add()
{?>
true,
'show_ui' => true
);
$output = 'objects';
$operator = 'and';
$post_types = get_post_types( $args, $output, $operator );
foreach($post_types as $post_type)
{
if (get_option('attachments_cpt_' . $post_type->name)=='true')
{
add_meta_box( 'attachments_list', __( 'Attachments', 'attachments' ), 'attachments_add', $post_type->name, 'normal' );
}
}
}
}
/**
* Echos JavaScript that sets some required global variables
*
* @return void
* @author Jonathan Christopher
*/
function attachments_init_js()
{
global $pagenow;
echo '';
}
/**
* Fired when Post or Page is saved. Serializes all attachment data and saves to post_meta
*
* @param int $post_id The ID of the current post
* @return void
* @author Jonathan Christopher
* @author JR Tashjian
*/
function attachments_save($post_id)
{
// verify this came from the our screen and with proper authorization,
// because save_post can be triggered at other times
if( !isset( $_POST['attachments_nonce'] ) )
{
return $post_id;
}
if( !wp_verify_nonce( $_POST['attachments_nonce'], plugin_basename(__FILE__) ) )
{
return $post_id;
}
// verify if this is an auto save routine. If it is our form has not been submitted, so we dont want
// to do anything
if( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE )
{
return $post_id;
}
// Check permissions
if( 'page' == $_POST['post_type'] )
{
if( !current_user_can( 'edit_page', $post_id ) )
{
return $post_id;
}
}
else
{
if( !current_user_can( 'edit_post', $post_id ) )
{
return $post_id;
}
}
// OK, we're authenticated: we need to find and save the data
// delete all current attachments meta
// moved outside conditional, else we can never delete all attachments
delete_post_meta( $post_id, '_attachments' );
// Since we're allowing Attachments to be sortable, we can't simply increment a counter
// we need to keep track of the IDs we're given
$attachment_ids = array();
// We'll build our array of attachments
foreach( $_POST as $key => $data )
{
// Arbitrarily using the id
if( substr($key, 0, 14) == 'attachment_id_' )
{
array_push( $attachment_ids, substr( $key, 14, strlen( $key ) ) );
}
}
// If we have attachments, there's work to do
if( !empty( $attachment_ids ) )
{
foreach ( $attachment_ids as $i )
{
if( !empty( $_POST['attachment_id_' . $i] ) )
{
$attachment_id = intval( $_POST['attachment_id_' . $i] );
$attachment_details = array(
'id' => $attachment_id,
'title' => str_replace( '"', '"', $_POST['attachment_title_' . $i] ),
'caption' => str_replace( '"', '"', $_POST['attachment_caption_' . $i] ),
'order' => intval( $_POST['attachment_order_' . $i] )
);
// serialize data and encode
$attachment_serialized = base64_encode( serialize( $attachment_details ) );
// add individual attachment
add_post_meta( $post_id, '_attachments', $attachment_serialized );
// save native Attach
if( get_option( 'attachments_store_native' ) == 'true' )
{
// need to first check to make sure we're not overwriting a native Attach
$attach_post_ref = get_post( $attachment_id );
if( $attach_post_ref->post_parent == 0 )
{
// no current Attach, we can add ours
$attach_post = array();
$attach_post['ID'] = $attachment_id;
$attach_post['post_parent'] = $post_id;
wp_update_post( $attach_post );
}
}
}
}
}
}
/**
* Retrieves all Attachments for provided Post or Page
*
* @param int $post_id (optional) ID of target Post or Page, otherwise pulls from global $post
* @return array $post_attachments
* @author Jonathan Christopher
* @author JR Tashjian
*/
function attachments_get_attachments( $post_id=null )
{
global $post;
if( $post_id==null )
{
$post_id = $post->ID;
}
// get all attachments
$existing_attachments = get_post_meta( $post_id, '_attachments', false );
if( !empty( $existing_attachments ) )
{
try
{
$legacy_existing_attachments = unserialize( $existing_attachments[0] );
}
catch( Exception $e )
{
// unserialization failed
}
}
// Check for legacy attachments
if( isset( $legacy_existing_attachments ) )
{
if( is_array( $legacy_existing_attachments ) )
{
$tmp_legacy_attachments = array();
// Legacy attachments (single serialized record)
foreach ( $legacy_existing_attachments as $legacy_attachment )
{
array_push( $tmp_legacy_attachments, base64_encode( serialize( $legacy_attachment ) ) );
}
$existing_attachments = $tmp_legacy_attachments;
}
}
// We can now proceed as normal, all legacy data should now be upgraded
$post_attachments = array();
if( is_array( $existing_attachments ) && count( $existing_attachments ) > 0 )
{
foreach ($existing_attachments as $attachment)
{
// decode and unserialize the data
$data = unserialize( base64_decode( $attachment ) );
array_push( $post_attachments, array(
'id' => stripslashes( $data['id'] ),
'name' => stripslashes( get_the_title( $data['id'] ) ),
'mime' => stripslashes( get_post_mime_type( $data['id'] ) ),
'title' => stripslashes( $data['title'] ),
'caption' => stripslashes( $data['caption'] ),
'location' => stripslashes( wp_get_attachment_url( $data['id'] ) ),
'order' => stripslashes( $data['order'] )
));
}
// sort attachments
if( count( $post_attachments ) > 1 )
{
usort( $post_attachments, "attachments_cmp" );
}
}
return $post_attachments;
}
function attachments_footer_js()
{
$uri = isset( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : NULL ;
$file = basename( parse_url( $uri, PHP_URL_PATH ) );
if( $uri && in_array( $file, array( 'post.php', 'post-new.php' ) ) )
{
// we only want this to fire on edit screens
echo '';
}
}
/**
* This is the main initialization function, it will invoke the necessary meta_box
*
* @return void
* @author Jonathan Christopher
*/
function attachments_init()
{
global $pagenow;
wp_enqueue_script( 'jquery-ui-core' );
wp_enqueue_script( 'thickbox' );
wp_enqueue_style( 'thickbox' );
wp_enqueue_style( 'attachments', WP_PLUGIN_URL . '/attachments/css/attachments.css' );
if( function_exists( 'load_plugin_textdomain' ) )
{
if( !defined('WP_PLUGIN_DIR') )
{
load_plugin_textdomain( 'attachments', str_replace( ABSPATH, '', dirname( __FILE__ ) ) );
}
else
{
load_plugin_textdomain( 'attachments', false, dirname( plugin_basename( __FILE__ ) ) );
}
}
attachments_meta_box();
}