<?php
/*
Plugin Name: Designate
Plugin URI: http://github.com/ionfish/designate/
Description: Add a per-post stylesheet to customise every post.
Author: Benedict Eastaugh
Version: 1.0
Author URI: http://extralogical.net/
*/
/**
* Set a custom stylesheet for each post or page.
*
* Stylesheets should be added in the 'post-styles' directory in your
* WP_CONTENT_DIR.
*
* You can override the programmatically-generated stylesheet name by adding a
* custom field to your post or page with the key 'stylesheet' and the
* stylesheet name (e.g., 'my_style.css') as the value.
*
* Please note that if two posts have the same permalink slug, they will have
* the same stylesheet. If several of your posts which you wish to style have
* the same permalink, set the $use_ids parameter to true.
*
* @param boolean $use_ids
*/
function designate_stylesheet($use_ids = false) {
global $post;
if (is_home() && have_posts() || is_single() || is_page()) {
$custom = get_post_meta($post->ID, 'stylesheet', true);
if ($custom && strlen($custom) > 0) {
$slug = preg_replace('/\.css$/', '', $custom);
} elseif ($post->post_name && !$use_ids) {
$slug = $post->post_name;
} else {
$slug = 'post-style-' . $post->ID;
}
if (strlen($slug) > 0) {
$location = "/post-styles/$slug.css";
if (file_exists(WP_CONTENT_DIR . $location)) {
printf(
"<link type=\"text/css\" rel=\"stylesheet\" href=\"%s\" />\n\n",
content_url($location)
);
}
}
}
}
add_action('wp_head', 'designate_stylesheet');
?>
