<?php
/*
Plugin Name: WP Facebox
Plugin URI: http://evocateur.org/projects/wp-facebox/
Description: Automagical Facebox for WordPress
Version: 1.3
Author: Daniel Stockman
Author URI: http://evocateur.org/
*/
/* Copyright 2008 Daniel Stockman <daniel.stockman@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
// Pre-2.6 compatibility
if ( ! defined( 'WP_CONTENT_URL' ) )
define( 'WP_CONTENT_URL', get_option( 'siteurl' ) . '/wp-content' );
if ( ! defined( 'WP_CONTENT_DIR' ) )
define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
if ( ! defined( 'WP_PLUGIN_URL' ) )
define( 'WP_PLUGIN_URL', WP_CONTENT_URL. '/plugins' );
if ( ! defined( 'WP_PLUGIN_DIR' ) )
define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' );
/**
* WP Facebox
* julienne fries!
*/
class WP_Facebox {
var $opts;
var $site;
var $home;
var $root; // plugin root dir
/*
Utilities
*/
function header() {
echo <<<HTML
<link rel="stylesheet" type="text/css" href="{$this->root}/facebox.css" />
<script type="text/javascript">/* wp-facebox */
WPFB = { root: "{$this->root}", home: "{$this->home}", site: "{$this->site}" };
WPFB.options = { loadingImage: WPFB.root + '/images/loading.gif', closeImage: WPFB.root + '/images/closelabel.gif', opacity: 0.5 };
</script>\n
HTML;
}
function invoke_header() {
$selectors = array();
if ( $this->opts['do_default'] ) $selectors[] = "a[rel*='facebox']";
if ( $this->opts['do_gallery'] ) $selectors[] = ".gallery-item a";
$selectors = implode(', ', $selectors);
if ( !empty($selectors) )
echo "<script type=\"text/javascript\">if (jQuery && jQuery.facebox) jQuery(function($) { $(\"$selectors\").facebox(WPFB.options); });</script>\n";
}
function rel_replace( $content ) {
$pattern = "/<a(.*?)href=('|\")(.*?).(bmp|gif|jpeg|jpg|png)('|\")(.*?)>(.*?)<\/a>/i";
$replacement = '<a$1href=$2$3.$4$5 rel="facebox"$6>$7</a>';
$content = preg_replace($pattern, $replacement, $content);
return $content;
}
function filter_gallery_link( $link, $id ) {
// By default, the gallery shortcode creates permalinks to the attachment
// Facebox, however, expects a direct link to the resource
// wp_get_attachment_url does this for us
// I <3 filters
return wp_get_attachment_url( $id );
}
/*
Init / Constructor
*/
function init() {
$this->home = get_option('home');
$this->site = get_option('siteurl');
$this->root = WP_PLUGIN_URL . '/' . basename(dirname(__FILE__));
wp_register_script( 'facebox', "{$this->root}/facebox.js", array('jquery'), '1.2' );
if ( $this->opts['loadscript'] ) {
wp_enqueue_script( 'facebox' );
add_action( 'wp_print_scripts', array(&$this, 'header') );
add_action( 'wp_head', array(&$this, 'invoke_header') );
// turn gallery permalinks into direct links
add_filter( 'attachment_link', array(&$this, 'filter_gallery_link'), 11, 2 );
}
if ( $this->opts['autofilter'] ) {
add_filter( 'the_content', array(&$this, 'rel_replace') );
}
}
function WP_Facebox() { // constructor
// TODO: implement admin options interface for these values
// For the time being, turn off options by replacing 1 with 0
$this->opts = array(
'autofilter' => 1,
'do_default' => 1,
'do_gallery' => 1,
'loadscript' => 1
);
// don't disable 'loadscript', unless you're only after the header output
$this->init();
}
}
// make those julienne fries, baby
$wp_facebox = new WP_Facebox();
?>
) is private.
