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Commit 7e9e5262 authored by Erick Hitter's avatar Erick Hitter
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PHPCS

parent 60c9912c
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inc/class-wp-revisions-control.php
View file @ 7e9e5262
......@@ -10,22 +10,65 @@
*/
class WP_Revisions_Control {
/**
* Singleton
* Singleton.
*
* @var static
*/
private static $__instance = null;
private static $__instance;
/**
* Class variables
* Filter priority.
*
* @see $this->filter_priority()
*
* @var int
*/
private static $priority = null;
/**
* Default filter priority.
*
* @var int
*/
private static $priority = null; // use $this->plugin_priority()
private $priority_default = 50;
private static $post_types = array(); // use $this->get_post_types()
private static $settings = array(); // use $this->get_settings()
/**
* Supported post types.
*
* @see $this->get_post_types()
*
* @var array
*/
private static $post_types = array();
/**
* Plugin settings.
*
* @see $this->get_settings()
*
* @var array
*/
private static $settings = array();
/**
* WordPress options page to display settings on.
*
* @var string
*/
private $settings_page = 'writing';
/**
* Name of custom settings sections.
*
* @var string
*/
private $settings_section = 'wp_revisions_control';
/**
* Meta key holding post's revisions limit.
*
* @var string
*/
private $meta_key_limit = '_wp_rev_ctl_limit';
/**
......@@ -34,26 +77,22 @@ class WP_Revisions_Control {
private function __construct() {}
/**
* Singleton implementation
* Singleton implementation.
*
* @uses self::setup
* @return object
* @return static
*/
public static function get_instance() {
if ( ! is_a( self::$__instance, __CLASS__ ) ) {
self::$__instance = new self;
if ( ! is_a( static::$__instance, __CLASS__ ) ) {
static::$__instance = new self();
self::$__instance->setup();
static::$__instance->setup();
}
return self::$__instance;
return static::$__instance;
}
/**
* Register actions and filters at `init` so others can interact, if desired.
*
* @uses add_action
* @return null
*/
private function setup() {
add_action( 'plugins_loaded', array( $this, 'action_plugins_loaded' ) );
......@@ -61,24 +100,14 @@ class WP_Revisions_Control {
}
/**
* Load plugin translations
*
* @uses load_plugin_textdomain
* @uses plugin_basename
* @action plugins_loaded
* @return null
* Load plugin translations.
*/
public function action_plugins_loaded() {
load_plugin_textdomain( 'wp_revisions_control', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
}
/**
* Register actions and filters
*
* @uses add_action
* @uses add_filter
* @uses this::plugin_priority
* @return null
* Register actions and filters.
*/
public function action_init() {
add_action( 'admin_init', array( $this, 'action_admin_init' ) );
......@@ -87,20 +116,12 @@ class WP_Revisions_Control {
}
/**
* Register plugin's admin-specific elements
* Register plugin's admin-specific elements.
*
* Plugin title is intentionally not translatable.
*
* @uses register_setting
* @uses add_settings_section
* @uses __
* @uses this::get_post_types
* @uses add_settings_field
* @action admin_init
* @return null
*/
public function action_admin_init() {
// Plugin setting section
// Plugin setting section.
register_setting( $this->settings_page, $this->settings_section, array( $this, 'sanitize_options' ) );
add_settings_section( $this->settings_section, 'WP Revisions Control', array( $this, 'settings_section_intro' ), $this->settings_page );
......@@ -109,23 +130,19 @@ class WP_Revisions_Control {
add_settings_field( $this->settings_section . '-' . $post_type, $name, array( $this, 'field_post_type' ), $this->settings_page, $this->settings_section, array( 'post_type' => $post_type ) );
}
// Post-level functionality
// Post-level functionality.
add_action( 'add_meta_boxes', array( $this, 'action_add_meta_boxes' ), 10, 2 );
add_action( 'wp_ajax_' . $this->settings_section . '_purge', array( $this, 'ajax_purge' ) );
add_action( 'save_post', array( $this, 'action_save_post' ) );
}
/**
** PLUGIN SETTINGS SECTION
** FOUND UNDER SETTINGS > WRITING
**/
* PLUGIN SETTINGS SECTION
* FOUND UNDER SETTINGS > WRITING
*/
/**
* Display assistive text in settings section
*
* @uses _e
* @uses this::plugin_priority
* @return string
* Display assistive text in settings section.
*/
public function settings_section_intro() {
?>
......@@ -141,12 +158,9 @@ class WP_Revisions_Control {
}
/**
* Render field for each post type
* Render field for each post type.
*
* @param array $args
* @uses this::get_revisions_to_keep
* @uses esc_attr
* @return string
* @param array $args Field arguments.
*/
public function field_post_type( $args ) {
$revisions_to_keep = $this->get_revisions_to_keep( $args['post_type'], true );
......@@ -156,9 +170,9 @@ class WP_Revisions_Control {
}
/**
* Sanitize plugin settings
* Sanitize plugin settings.
*
* @param array $options
* @param array $options Unsanitized settings.
* @return array
*/
public function sanitize_options( $options ) {
......@@ -166,14 +180,18 @@ class WP_Revisions_Control {
if ( is_array( $options ) ) {
foreach ( $options as $post_type => $to_keep ) {
if ( 0 === strlen( $to_keep ) )
$type_length = strlen( $to_keep );
if ( 0 === $type_length ) {
$to_keep = -1;
else
$to_keep = intval( $to_keep );
} else {
$to_keep = (int) $to_keep;
}
// Lowest possible value is -1, used to indicate infinite revisions are stored
if ( -1 > $to_keep )
// Lowest possible value is -1, used to indicate infinite revisions are stored.
if ( -1 > $to_keep ) {
$to_keep = -1;
}
$options_sanitized[ $post_type ] = $to_keep;
}
......@@ -183,8 +201,8 @@ class WP_Revisions_Control {
}
/**
** REVISIONS QUANTITY OVERRIDES
**/
* REVISIONS QUANTITY OVERRIDES.
*/
/**
* Allow others to change the priority this plugin's functionality runs at
......@@ -203,15 +221,13 @@ class WP_Revisions_Control {
}
/**
* Override number of revisions to keep using plugin's settings
* Override number of revisions to keep using plugin's settings.
*
* Can either be post-specific or universal
* Can either be post-specific or universal.
*
* @uses get_post_meta
* @uses get_post_type
* @uses this::get_settings
* @filter wp_revisions_to_keep
* @return mixed
* @param int $qty Number of revisions to keep.
* @param WP_Post $post Post object.
* @return int
*/
public function filter_wp_revisions_to_keep( $qty, $post ) {
$post_limit = get_post_meta( $post->ID, $this->meta_key_limit, true );
......@@ -220,44 +236,33 @@ class WP_Revisions_Control {
$qty = $post_limit;
} else {
$post_type = get_post_type( $post ) ? get_post_type( $post ) : $post->post_type;
$settings = $this->get_settings();
$settings = $this->get_settings();
if ( array_key_exists( $post_type, $settings ) )
if ( array_key_exists( $post_type, $settings ) ) {
$qty = $settings[ $post_type ];
}
}
return $qty;
}
/**
** POST-LEVEL FUNCTIONALITY
**/
* POST-LEVEL FUNCTIONALITY.
*/
/**
* Override Core's revisions metabox
* Override Core's revisions metabox.
*
* @param string $post_type
* @param object $post
* @uses post_type_supports
* @uses get_post_status
* @uses wp_get_post_revisions
* @uses remove_meta_box
* @uses add_meta_box
* @uses wp_enqueue_script
* @uses plugins_url
* @uses wp_localize_script
* @uses wpautop
* @uses add_action
* @action add_meta_boxes
* @return null
* @param string $post_type Post type.
* @param object $post Post object.
*/
public function action_add_meta_boxes( $post_type, $post ) {
if ( post_type_supports( $post_type, 'revisions' ) && 'auto-draft' != get_post_status() && count( wp_get_post_revisions( $post ) ) > 1 ) {
// Replace the metabox
// Replace the metabox.
remove_meta_box( 'revisionsdiv', null, 'normal' );
add_meta_box( 'revisionsdiv-wp-rev-ctl', __('Revisions', 'wp_revisions_control'), array( $this, 'revisions_meta_box' ), null, 'normal', 'core' );
// A bit of JS for us
// A bit of JS for us.
$handle = 'wp-revisions-control-post';
wp_enqueue_script( $handle, plugins_url( 'js/post.js', __FILE__ ), array( 'jquery' ), '20131205', true );
wp_localize_script( $handle, $this->settings_section, array(
......@@ -270,7 +275,7 @@ class WP_Revisions_Control {
'error' => __( 'An error occurred. Please refresh the page and try again.', 'wp_revisions_control' )
) );
// Add some styling to our metabox additions
// Add some styling to our metabox additions.
add_action( 'admin_head', array( $this, 'action_admin_head' ), 999 );
}
}
......@@ -278,13 +283,7 @@ class WP_Revisions_Control {
/**
* Render Revisions metabox with plugin's additions
*
* @uses post_revisions_meta_box
* @uses the_ID
* @uses esc_attr
* @uses wp_create_nonce
* @uses this::get_post_revisions_to_keep
* @uses wp_nonce_field
* @return string
* @param WP_Post $post Post object.
*/
public function revisions_meta_box( $post ) {
post_revisions_meta_box( $post );
......@@ -305,14 +304,7 @@ class WP_Revisions_Control {
}
/**
* Process a post-specific request to purge revisions
*
* @uses __
* @uses check_ajax_referer
* @uses current_user_can
* @uses wp_get_post_revisions
* @uses number_format_i18n
* @return string
* Process a post-specific request to purge revisions.
*/
public function ajax_purge() {
$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : false;
......@@ -348,12 +340,9 @@ class WP_Revisions_Control {
}
/**
* Sanitize and store post-specifiy revisions quantity
* Sanitize and store post-specifiy revisions quantity.
*
* @uses wp_verify_nonce
* @uses update_post_meta
* @action save_post
* @return null
* @param int $post_id Post ID.
*/
public function action_save_post( $post_id ) {
if ( isset( $_POST[ $this->settings_section . '_limit_nonce' ] ) && wp_verify_nonce( $_POST[ $this->settings_section . '_limit_nonce' ], $this->settings_section . '_limit' ) && isset( $_POST[ $this->settings_section . '_qty' ] ) ) {
......@@ -367,11 +356,7 @@ class WP_Revisions_Control {
}
/**
* Add a border between the regular revisions list and this plugin's additions
*
* @uses esc_attr
* @action admin_head
* @return string
* Add a border between the regular revisions list and this plugin's additions.
*/
public function action_admin_head() {
?>
......@@ -392,14 +377,12 @@ class WP_Revisions_Control {
}
/**
** PLUGIN UTILITIES
**/
* PLUGIN UTILITIES.
*/
/**
* Retrieve plugin settings
* Retrieve plugin settings.
*
* @uses this::get_post_types
* @uses get_option
* @return array
*/
private function get_settings() {
......@@ -424,11 +407,8 @@ class WP_Revisions_Control {
}
/**
* Retrieve array of supported post types and their labels
* Retrieve array of supported post types and their labels.
*
* @uses get_post_types
* @uses post_type_supports
* @uses get_post_type_object
* @return array
*/
private function get_post_types() {
......@@ -453,14 +433,14 @@ class WP_Revisions_Control {
}
/**
* Retrieve number of revisions to keep for a given post type
* Retrieve number of revisions to keep for a given post type.
*
* @uses WP_Post
* @uses wp_revisions_to_keep
* @return mixed
* @param string $post_type Post type.
* @param bool $blank_for_all Should blank value be used to indicate all are kept.
* @return int|string
*/
private function get_revisions_to_keep( $post_type, $blank_for_all = false ) {
// wp_revisions_to_keep() accepts a post object, not just the post type
// wp_revisions_to_keep() accepts a post object, not just the post type.
// We construct a new WP_Post object to ensure anything hooked to the wp_revisions_to_keep filter has the same basic data WP provides.
$_post = new WP_Post( (object) array( 'post_type' => $post_type ) );
$to_keep = wp_revisions_to_keep( $_post );
......@@ -472,11 +452,10 @@ class WP_Revisions_Control {
}
/**
* Retrieve number of revisions to keep for a give post
* Retrieve number of revisions to keep for a give post.
*
* @param int $post_id
* @uses get_post_meta
* @return mixed
* @param int $post_id Post ID.
* @return int|string
*/
private function get_post_revisions_to_keep( $post_id ) {
$to_keep = get_post_meta( $post_id, $this->meta_key_limit, true );
......@@ -489,4 +468,5 @@ class WP_Revisions_Control {
return $to_keep;
}
}
WP_Revisions_Control::get_instance();
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