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<?php
class CD_APD_Admin
{
/**
* The container for all of our custom plugins
*/
protected $plugins = array();
/**
* What custom actions are we allowed to handle here?
*/
protected $actions = array();
/**
* The original count of the plugins
*/
protected $all_count = 0;
/**
* constructor
*
* @since 0.1
*/
function __construct()
{
add_action( 'load-plugins.php', array( &$this, 'init' ) );
add_action( 'plugins_loaded', array( &$this, 'setup_actions' ), 1 );
}
/**
* Sets up which actions we can handle with this plugin. We'll use this
* to catch activations and deactivations as the normal way won't work
*
* @since 0.1
*/
function setup_actions()
{
$tmp = array(
'custom_activate',
'custom_deactivate'
);
$this->actions = apply_filters( 'custom_plugin_actions', $tmp );
}
/**
* Makes the magic happen. Loads all the other hooks to modify the
* plugin list table
*
* @since 0.1
*/
function init()
{
global $wp_plugin_directories;
$screen = get_current_screen();
$this->get_plugins();
$this->handle_actions();
add_filter( 'views_' . $screen->id, array( &$this, 'views' ) );
// check to see if we're using one of our custom directories
if( $this->get_plugin_status() )
{
add_filter( 'views_' . $screen->id, array( &$this, 'views_again' ) );
add_filter( 'all_plugins', array( &$this, 'filter_plugins' ) );
// TODO: support bulk actions
add_filter( 'bulk_actions-' . $screen->id, '__return_empty_array' );
add_filter( 'plugin_action_links', array( &$this, 'action_links' ), 10, 2 );
add_action( 'admin_enqueue_scripts', array( &$this, 'scripts' ) );
}
}
/**
* Adds our custom plugin directories to the list of plugin types
*
* @since 0.1
*/
function views( $views )
{
global $wp_plugin_directories;
// bail if we don't have any extra dirs
if( empty( $wp_plugin_directories ) ) return $views;
// Add our directories to the action links
foreach( $wp_plugin_directories as $key => $info )
{
if( ! count( $this->plugins[$key] ) ) continue;
$class = $this->get_plugin_status() == $key ? ' class="current" ' : '';
$views[$key] = sprintf(
'<a href="%s"' . $class . '>%s <span class="count">(%d)</span></a>',
add_query_arg( 'plugin_status', $key, 'plugins.php' ),
esc_html( $info['label'] ),
count( $this->plugins[$key] )
);
}
return $views;
}
/**
* Unset inactive plugin link as it doesn't really work for this view
*/
function views_again( $views )
{
if( isset( $views['inactive'] ) ) unset( $views['inactive'] );
return $views;
}
/**
* Filters the plugins list to include all the plugins in our custom directory
*/
function filter_plugins( $plugins )
{
if( $key = $this->get_plugin_status() )
{
$this->all_count = count( $plugins );
$plugins = $this->plugins[$key];
}
return $plugins;
}
/**
* Correct some action links so we can actually "activate" plugins
*/
function action_links( $links, $plugin_file )
{
$context = $this->get_plugin_status();
// let's just start over
$links = array();
$links['activate'] = sprintf(
'<a href="%s" title="Activate this plugin">%s</a>',
wp_nonce_url( 'plugins.php?action=custom_activate&amp;plugin=' . $plugin_file . '&amp;plugin_status=' . esc_attr( $context ), 'custom_activate-' . $plugin_file ),
__( 'Activate' )
);
$active = get_option( 'active_plugins_' . $context, array() );
if( in_array( $plugin_file, $active ) )
{
$links['deactivate'] = sprintf(
'<a href="%s" title="Deactivate this plugin" class="cd-apd-deactivate">%s</a>',
wp_nonce_url( 'plugins.php?action=custom_deactivate&amp;plugin=' . $plugin_file . '&amp;plugin_status=' . esc_attr( $context ), 'custom_deactivate-' . $plugin_file ),
__( 'Deactivate' )
);
}
return $links;
}
/**
* Enqueues on JS file for fun hacks
*
* @since 0.1
* @uses wp_enqueue_script
*/
function scripts()
{
wp_enqueue_script(
'cd-apd-js',
CD_APD_URL . 'js/apd.js',
array( 'jquery' ),
null
);
wp_localize_script(
'cd-apd-js',
'cd_apd',
array(
'count' => esc_js( $this->all_count )
)
);
}
/**
* Fetch all the custom plugins we have!
*
* @since 0.1
* @uses cd_adp_get_plugins To fetch all the custom plugins
*/
function get_plugins()
{
global $wp_plugin_directories;
foreach( array_keys( $wp_plugin_directories ) as $key )
{
$this->plugins[$key] = cd_apd_get_plugins( $key );
}
}
/**
* Handle activations and deactivations as the standard way will
* fail with "plugin file does not exist
*
* @since 0.1
*/
function handle_actions()
{
$action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : '';
// not allowed to handle this action? bail.
if( ! in_array( $action, $this->actions ) ) return;
// Get the plugin we're going to activate
$plugin = isset( $_REQUEST['plugin'] ) ? $_REQUEST['plugin'] : false;
if( ! $plugin ) return;
$context = $this->get_plugin_status();
switch( $action )
{
case 'custom_activate':
if( ! current_user_can('activate_plugins') )
wp_die( __('You do not have sufficient permissions to manage plugins for this site.') );
check_admin_referer( 'custom_activate-' . $plugin );
$result = cd_apd_activate_plugin( $plugin, $context );
if ( is_wp_error( $result ) )
{
if ( 'unexpected_output' == $result->get_error_code() )
{
$redirect = add_query_arg( 'plugin_status', $context, self_admin_url( 'plugins.php' ) );
wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-activation-error_' . $plugin ), $redirect ) ) ;
exit();
}
else
{
wp_die( $result );
}
}
wp_redirect( add_query_arg( array( 'plugin_status' => $context, 'activate' => 'true' ), self_admin_url( 'plugins.php' ) ) );
exit();
break;
case 'custom_deactivate':
if ( ! current_user_can( 'activate_plugins' ) )
wp_die( __('You do not have sufficient permissions to deactivate plugins for this site.') );
check_admin_referer('custom_deactivate-' . $plugin);
cd_apd_deactivate_plugins( $plugin, $context );
if ( headers_sent() )
echo "<meta http-equiv='refresh' content='" . esc_attr( "0;url=plugins.php?deactivate=true&plugin_status=$status&paged=$page&s=$s" ) . "' />";
else
wp_redirect( self_admin_url("plugins.php?deactivate=true&plugin_status=$context") );
exit();
break;
default:
do_action( 'custom_plugin_dir_' . $action );
break;
}
}
/**
* Utility function to get the current `plugin_status` key returns
* false if our key isn't in the the custom directories
*
* @since 0.1
* @return bool|string False on failure, the `$wp_plugin_directories` key on success
*/
function get_plugin_status()
{
global $wp_plugin_directories;
$rv = false;
if( isset( $_GET['plugin_status'] ) && in_array( $_GET['plugin_status'], array_keys( $wp_plugin_directories ) ) )
{
$rv = $_GET['plugin_status'];
}
return $rv;
}
} // end class
new CD_APD_Admin();
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