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Introduce singleton widget factory

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git-svn-id: https://develop.svn.wordpress.org/trunk@10808 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2009-03-17 23:44:36 +00:00
parent 184e5b69e8
commit 0b25a700cb
3 changed files with 59 additions and 9 deletions
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wp-includes/widgets.php
+45 -2
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@@ -43,6 +43,30 @@ $wp_registered_widgets = array();
$wp_registered_widget_controls = array();
$wp_registered_widget_updates = array();
/**
* Singleton that registers and instantiates WP_Widget classes.
*
* @package WordPress
* @subpackage Widgets
* @since 2.8
*/
class WP_Widget_Factory {
var $widgets = array();
function WP_Widget_Factory() {
add_action( 'widgets_init', array( &$this, '_register_widgets' ), 100 );
}
function register($widget_class) {
$this->widgets[] = new $widget_class();
}
function _register_widgets() {
foreach ( $this->widgets as $widget )
$widget->_register();
}
}
/**
* This class must be extended for each widget and WP_Widget::widget(), WP_Widget::update()
* and WP_Widget::form() need to be over-ridden.
@@ -107,7 +131,7 @@ class WP_Widget {
$this->widget_options = wp_parse_args( $widget_options, array('classname' => $this->option_name) );
$this->control_options = wp_parse_args( $control_options, array('id_base' => $this->id_base) );
add_action( 'widgets_init', array( &$this, 'register' ) );
//add_action( 'widgets_init', array( &$this, '_register' ) );
}
/** Helper function to be called by form().
@@ -124,7 +148,7 @@ class WP_Widget {
/** Registers this widget-type.
* Called during the 'widgets_init' action. */
function register() {
function _register() {
$settings = $this->get_settings();
if ( empty($settings) ) {
@@ -288,6 +312,25 @@ class WP_Widget {
/* Template tags & API functions */
/**
* Register a widget
*
* Registers a WP_Widget widget
*
* @since 2.8.0
*
* @see WP_Widget
* @see WP_Widget_Factory
* @uses WP_Widget_Factory
*
* @param string $widget_class The name of a class that extends WP_Widget
*/
function register_widget($widget_class) {
global $wp_widget_factory;
$wp_widget_factory->register($widget_class);
}
/**
* Creates multiple sidebars.
*