Dissect WordPress Plugin
2006.02.02 12:39 ÏÂÎç WordPress
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You have to give people work to do.
Create an ¡°architecture of participation¡± as Tim O¡¯Reilly says.
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<?php Plugin Name: Hello Dolly Plugin URI: http://wordpress.org/# Description: This is not just a plugin, it symbolizes the hope and enthusiasm of an entire ... Author: Matt Mullenweg Version: 1.0 Author URI: http://photomatt.net/ ?>
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<?php
function get_plugin_data($plugin_file) {
$plugin_data = implode('', file($plugin_file));
preg_match("|Plugin Name:(.*)|i", $plugin_data, $plugin_name);
preg_match("|Plugin URI:(.*)|i", $plugin_data, $plugin_uri);
preg_match("|Description:(.*)|i", $plugin_data, $description);
preg_match("|Author:(.*)|i", $plugin_data, $author_name);
preg_match("|Author URI:(.*)|i", $plugin_data, $author_uri);
?>
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<?php http://localhost/blog/wp-admin/plugins.php?action=deactivate&plugin=hello.php ?>
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<?php require_once(ABSPATH.'wp-settings.php'); ?>
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<?php
if ( get_settings('active_plugins') ) {
$current_plugins = get_settings('active_plugins');
if ( is_array($current_plugins) ) {
foreach ($current_plugins as $plugin) {
if ('' != $plugin && file_exists(ABSPATH . 'wp-content/plugins/' . $plugin))
include_once(ABSPATH . 'wp-content/plugins/' . $plugin);
}
}
}
?>
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<?php
do_action('admin_head', '');
?>
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<?php
do_action('admin_footer', '');
?>
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<?php
// This just echoes the chosen line, we'll position it later
function hello_dolly() {
global $chosen;
echo "<p id='dolly'>$chosen</p>";
}
// Now we set that function up to execute when the admin_footer action is called
add_action('admin_footer', 'hello_dolly');
// We need some CSS to position the paragraph
function dolly_css() {
echo "
<style type='text/css'>
#dolly {
position: absolute;
top: 5px;
margin: 0; padding: 0;
right: 3em;
font-size: 20px;
color: #f66;
}
</style>
";
}
add_action('admin_head', 'dolly_css');
?>
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<?php
//Register to various events... @WordPress Dev Team: I wish me a 'public_content_changed' action ?
if(defined("SM_ACTIVE") && SM_ACTIVE===true) {
//If a new post gets published
add_action('publish_post', 'sm_buildSitemap');
//Existing post gets edited (published or not)
add_action('edit_post', 'sm_buildSitemap');
//Existing posts gets deleted (published or not)
add_action('delete_post', 'sm_buildSitemap');
}
#endregion
?>
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<?php do_action('plugins_loaded'); ?>
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<?php add_action('admin_menu', 'ol_add_feedburner_options_page'); ?>
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<?php function ol_add_feedburner_options_page() {
if (function_exists('add_options_page')) {
add_options_page('FeedBurner', 'FeedBurner', 8, basename(__FILE__), 'ol_feedburner_options_subpanel');
}<br>}
?>
¡°add_options_page¡±Õâ¸öº¯Êý¾Í»áÔÚϵͳµÄ¡°Options¡±²Ëµ¥ÖÐÌí¼Ó¡°FeedBurner¡±ÕâÑùÒ»¸ö×Ӳ˵¥¡£
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<?php
function add_submenu_page($parent, $page_title, $menu_title, $access_level, $file, $function = '') {
global $submenu;
global $menu;
$parent = plugin_basename($parent);
$file = plugin_basename($file);
// If the parent doesn't already have a submenu, add a link to the parent
// as the first item in the submenu. If the submenu file is the same as the
// parent file someone is trying to link back to the parent manually. In
// this case, don't automatically add a link back to avoid duplication.
if (! isset($submenu[$parent]) && $file != $parent) {
foreach ($menu as $parent_menu) {
if ($parent_menu[2] == $parent) {
$submenu[$parent][] = $parent_menu;
}
}
}
$submenu[$parent][] = array($menu_title, $access_level, $file, $page_title);
$hookname = get_plugin_page_hookname($file, $parent);
if ( !empty($function) && !empty($hookname) )
add_action($hookname, $function);
return $hookname;
}
function add_options_page($page_title, $menu_title, $access_level, $file, $function = '') {
return add_submenu_page('options-general.php', $page_title, $menu_title, $access_level, $file, $function);
}
?>
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