From 4a866595579a5a13aa7a6a1cae879fe2da5bfba4 Mon Sep 17 00:00:00 2001
From: Erick Hitter <ehitter@gmail.com>
Date: Sun, 25 Aug 2013 10:47:15 -0400
Subject: [PATCH] Implement singleton
---
tag-dropdown-widget.php | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/tag-dropdown-widget.php b/tag-dropdown-widget.php
index 853aadf..94503d5 100644
--- a/tag-dropdown-widget.php
+++ b/tag-dropdown-widget.php
@@ -26,6 +26,11 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
** TAXONOMY DROPDOWN WIDGET PLUGIN
**/
class taxonomy_dropdown_widget_plugin {
+ /**
+ * Singleton!
+ */
+ private static $__instance = null;
+
/*
* Class variables
*/
@@ -44,12 +49,25 @@ class taxonomy_dropdown_widget_plugin {
'post_counts' => false
);
+ /**
+ * Implement the singleton
+ *
+ * @return object
+ */
+ public static function get_instance() {
+ if ( ! is_a( self::$__instance, __CLASS__ ) ) {
+ self::$__instance = new self;
+ }
+
+ return self::$__instance;
+ }
+
/*
* Register actions and activation/deactivation hooks
* @uses add_action, register_activation_hook, register_deactivation_hook
* @return null
*/
- function __construct() {
+ private function __construct() {
add_action( 'widgets_init', array( $this, 'action_widgets_init' ) );
register_activation_hook( __FILE__, array( $this, 'activation_hook' ) );
@@ -290,9 +308,7 @@ class taxonomy_dropdown_widget_plugin {
return $options_sanitized;
}
}
-global $taxonomy_dropdown_widget_plugin;
-if ( !is_a( $taxonomy_dropdown_widget_plugin, 'taxonomy_dropdown_widget_plugin' ) )
- $taxonomy_dropdown_widget_plugin = new taxonomy_dropdown_widget_plugin;
+$GLOBALS['taxonomy_dropdown_widget_plugin'] = taxonomy_dropdown_widget_plugin::get_instance();
/**
** TAXONOMY DROPDOWN WIDGET
--
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