Widgets: move classes into their own files, `widgets.php` loads the new files, so this is 100% BC if someone is loading `widgets.php` directly. New files created using `svn cp`.
Creates: `class-wp-widget.php` `class-wp-widget-factory.php` `widget-functions.php` `widgets.php` contains only top-level code. Class files only contain classes. Functions file only contains functions. See #33413. Built from https://develop.svn.wordpress.org/trunk@33746 git-svn-id: http://core.svn.wordpress.org/trunk@33714 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Scott Taylor
parent
a6ea3624ef
commit
c3565b2cba
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<?php
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/**
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* Singleton that registers and instantiates WP_Widget classes.
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 2.8.0
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*/
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class WP_Widget_Factory {
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public $widgets = array();
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/**
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* PHP5 constructor.
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*/
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public function __construct() {
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add_action( 'widgets_init', array( $this, '_register_widgets' ), 100 );
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}
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/**
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* PHP4 constructor.
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*/
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public function WP_Widget_Factory() {
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_deprecated_constructor( 'WP_Widget_Factory', '4.2.0' );
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self::__construct();
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}
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/**
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* Register a widget subclass.
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*
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* @since 2.8.0
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* @access public
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*
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* @param string $widget_class The name of a {@see WP_Widget} subclass.
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*/
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public function register( $widget_class ) {
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$this->widgets[$widget_class] = new $widget_class();
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}
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/**
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* Un-register a widget subclass.
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*
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* @since 2.8.0
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* @access public
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*
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* @param string $widget_class The name of a {@see WP_Widget} subclass.
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*/
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public function unregister( $widget_class ) {
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unset( $this->widgets[ $widget_class ] );
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}
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/**
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* Utility method for adding widgets to the registered widgets global.
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*
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* @since 2.8.0
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* @access public
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*
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* @global array $wp_registered_widgets
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*/
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public function _register_widgets() {
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global $wp_registered_widgets;
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$keys = array_keys($this->widgets);
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$registered = array_keys($wp_registered_widgets);
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$registered = array_map('_get_widget_id_base', $registered);
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foreach ( $keys as $key ) {
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// don't register new widget if old widget with the same id is already registered
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if ( in_array($this->widgets[$key]->id_base, $registered, true) ) {
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unset($this->widgets[$key]);
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continue;
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}
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$this->widgets[$key]->_register();
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}
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}
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}
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<?php
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/**
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* This class must be extended for each widget and WP_Widget::widget(), WP_Widget::update()
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* and WP_Widget::form() need to be over-ridden.
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 2.8.0
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*/
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class WP_Widget {
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/**
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* Root ID for all widgets of this type.
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*
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* @since 2.8.0
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* @access public
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* @var mixed|string
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*/
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public $id_base;
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/**
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* Name for this widget type.
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*
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* @since 2.8.0
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* @access public
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* @var string
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*/
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public $name;
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/**
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* Option array passed to {@see wp_register_sidebar_widget()}.
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*
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* @since 2.8.0
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* @access public
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* @var array
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*/
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public $widget_options;
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/**
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* Option array passed to {@see wp_register_widget_control()}.
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*
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* @since 2.8.0
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* @access public
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* @var array
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*/
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public $control_options;
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/**
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* Unique ID number of the current instance.
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*
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* @since 2.8.0
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* @access public
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* @var bool|int
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*/
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public $number = false;
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/**
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* Unique ID string of the current instance (id_base-number).
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*
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* @since 2.8.0
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* @access public
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* @var bool|string
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*/
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public $id = false;
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/**
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* Whether the widget data has been updated.
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*
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* Set to true when the data is updated after a POST submit - ensures it does
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* not happen twice.
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*
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* @since 2.8.0
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* @access public
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* @var bool
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*/
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public $updated = false;
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// Member functions that you must over-ride.
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/**
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* Echo the widget content.
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*
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* Subclasses should over-ride this function to generate their widget code.
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*
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* @since 2.8.0
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* @access public
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*
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* @param array $args Display arguments including before_title, after_title,
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* before_widget, and after_widget.
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* @param array $instance The settings for the particular instance of the widget.
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*/
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public function widget( $args, $instance ) {
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die('function WP_Widget::widget() must be over-ridden in a sub-class.');
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}
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/**
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* Update a particular instance.
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*
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* This function should check that $new_instance is set correctly. The newly-calculated
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* value of `$instance` should be returned. If false is returned, the instance won't be
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* saved/updated.
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*
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* @since 2.8.0
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* @access public
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*
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* @param array $new_instance New settings for this instance as input by the user via
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* {@see WP_Widget::form()}.
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* @param array $old_instance Old settings for this instance.
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* @return array Settings to save or bool false to cancel saving.
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*/
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public function update( $new_instance, $old_instance ) {
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return $new_instance;
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}
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/**
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* Output the settings update form.
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*
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* @since 2.8.0
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* @access public
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*
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* @param array $instance Current settings.
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* @return string Default return is 'noform'.
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*/
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public function form($instance) {
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echo '<p class="no-options-widget">' . __('There are no options for this widget.') . '</p>';
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return 'noform';
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}
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// Functions you'll need to call.
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/**
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* PHP5 constructor.
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*
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* @since 2.8.0
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* @access public
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*
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* @param string $id_base Optional Base ID for the widget, lowercase and unique. If left empty,
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* a portion of the widget's class name will be used Has to be unique.
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* @param string $name Name for the widget displayed on the configuration page.
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* @param array $widget_options Optional. Widget options. See {@see wp_register_sidebar_widget()} for
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* information on accepted arguments. Default empty array.
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* @param array $control_options Optional. Widget control options. See {@see wp_register_widget_control()}
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* for information on accepted arguments. Default empty array.
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*/
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public function __construct( $id_base, $name, $widget_options = array(), $control_options = array() ) {
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$this->id_base = empty($id_base) ? preg_replace( '/(wp_)?widget_/', '', strtolower(get_class($this)) ) : strtolower($id_base);
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$this->name = $name;
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$this->option_name = 'widget_' . $this->id_base;
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$this->widget_options = wp_parse_args( $widget_options, array('classname' => $this->option_name) );
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$this->control_options = wp_parse_args( $control_options, array('id_base' => $this->id_base) );
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}
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/**
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* PHP4 constructor
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*
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* @param string $id_base
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* @param string $name
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* @param array $widget_options
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* @param array $control_options
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*/
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public function WP_Widget( $id_base, $name, $widget_options = array(), $control_options = array() ) {
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_deprecated_constructor( 'WP_Widget', '4.3.0' );
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WP_Widget::__construct( $id_base, $name, $widget_options, $control_options );
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}
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/**
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* Constructs name attributes for use in form() fields
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*
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* This function should be used in form() methods to create name attributes for fields to be saved by update()
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*
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* @param string $field_name Field name
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* @return string Name attribute for $field_name
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*/
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public function get_field_name($field_name) {
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return 'widget-' . $this->id_base . '[' . $this->number . '][' . $field_name . ']';
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}
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/**
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* Constructs id attributes for use in {@see WP_Widget::form()} fields.
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*
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* This function should be used in form() methods to create id attributes
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* for fields to be saved by {@see WP_Widget::update()}.
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*
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* @since 2.8.0
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* @access public
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*
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* @param string $field_name Field name.
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* @return string ID attribute for `$field_name`.
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*/
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public function get_field_id( $field_name ) {
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return 'widget-' . $this->id_base . '-' . $this->number . '-' . $field_name;
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}
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/**
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* Register all widget instances of this widget class.
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*
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* @since 2.8.0
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* @access private
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*/
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public function _register() {
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$settings = $this->get_settings();
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$empty = true;
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// When $settings is an array-like object, get an intrinsic array for use with array_keys().
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if ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) {
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$settings = $settings->getArrayCopy();
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}
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if ( is_array( $settings ) ) {
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foreach ( array_keys( $settings ) as $number ) {
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if ( is_numeric( $number ) ) {
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$this->_set( $number );
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$this->_register_one( $number );
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$empty = false;
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}
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}
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}
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if ( $empty ) {
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// If there are none, we register the widget's existence with a generic template.
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$this->_set( 1 );
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$this->_register_one();
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}
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}
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/**
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* Set the internal order number for the widget instance.
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*
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* @since 2.8.0
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* @access private
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*
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* @param int $number The unique order number of this widget instance compared to other
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* instances of the same class.
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*/
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public function _set($number) {
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$this->number = $number;
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$this->id = $this->id_base . '-' . $number;
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}
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/**
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* @return callback
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*/
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public function _get_display_callback() {
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return array($this, 'display_callback');
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}
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/**
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* @return callback
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*/
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public function _get_update_callback() {
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return array($this, 'update_callback');
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}
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/**
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* @return callback
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*/
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public function _get_form_callback() {
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return array($this, 'form_callback');
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}
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/**
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* Determine whether the current request is inside the Customizer preview.
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*
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* If true -- the current request is inside the Customizer preview, then
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* the object cache gets suspended and widgets should check this to decide
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* whether they should store anything persistently to the object cache,
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* to transients, or anywhere else.
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*
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* @since 3.9.0
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* @access public
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*
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* @global WP_Customize_Manager $wp_customize
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*
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* @return bool True if within the Customizer preview, false if not.
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*/
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public function is_preview() {
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global $wp_customize;
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return ( isset( $wp_customize ) && $wp_customize->is_preview() ) ;
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}
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/**
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* Generate the actual widget content (Do NOT override).
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*
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* Finds the instance and calls {@see WP_Widget::widget()}.
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*
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* @since 2.8.0
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* @access public
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*
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* @param array $args Display arguments. See {@see WP_Widget::widget()} for information
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* on accepted arguments.
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* @param int|array $widget_args {
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* Optional. Internal order number of the widget instance, or array of multi-widget arguments.
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* Default 1.
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*
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* @type int $number Number increment used for multiples of the same widget.
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* }
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*/
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public function display_callback( $args, $widget_args = 1 ) {
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if ( is_numeric( $widget_args ) ) {
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$widget_args = array( 'number' => $widget_args );
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}
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$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
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$this->_set( $widget_args['number'] );
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$instances = $this->get_settings();
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if ( array_key_exists( $this->number, $instances ) ) {
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$instance = $instances[ $this->number ];
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/**
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* Filter the settings for a particular widget instance.
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*
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* Returning false will effectively short-circuit display of the widget.
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*
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* @since 2.8.0
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*
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* @param array $instance The current widget instance's settings.
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* @param WP_Widget $this The current widget instance.
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* @param array $args An array of default widget arguments.
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*/
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$instance = apply_filters( 'widget_display_callback', $instance, $this, $args );
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if ( false === $instance ) {
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return;
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}
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$was_cache_addition_suspended = wp_suspend_cache_addition();
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if ( $this->is_preview() && ! $was_cache_addition_suspended ) {
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wp_suspend_cache_addition( true );
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}
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||||||
|
|
||||||
|
$this->widget( $args, $instance );
|
||||||
|
|
||||||
|
if ( $this->is_preview() ) {
|
||||||
|
wp_suspend_cache_addition( $was_cache_addition_suspended );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deal with changed settings (Do NOT override).
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
* @access public
|
||||||
|
*
|
||||||
|
* @global array $wp_registered_widgets
|
||||||
|
*
|
||||||
|
* @param int $deprecated Not used.
|
||||||
|
*/
|
||||||
|
public function update_callback( $deprecated = 1 ) {
|
||||||
|
global $wp_registered_widgets;
|
||||||
|
|
||||||
|
$all_instances = $this->get_settings();
|
||||||
|
|
||||||
|
// We need to update the data
|
||||||
|
if ( $this->updated )
|
||||||
|
return;
|
||||||
|
|
||||||
|
if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) {
|
||||||
|
// Delete the settings for this instance of the widget
|
||||||
|
if ( isset($_POST['the-widget-id']) )
|
||||||
|
$del_id = $_POST['the-widget-id'];
|
||||||
|
else
|
||||||
|
return;
|
||||||
|
|
||||||
|
if ( isset($wp_registered_widgets[$del_id]['params'][0]['number']) ) {
|
||||||
|
$number = $wp_registered_widgets[$del_id]['params'][0]['number'];
|
||||||
|
|
||||||
|
if ( $this->id_base . '-' . $number == $del_id )
|
||||||
|
unset($all_instances[$number]);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if ( isset($_POST['widget-' . $this->id_base]) && is_array($_POST['widget-' . $this->id_base]) ) {
|
||||||
|
$settings = $_POST['widget-' . $this->id_base];
|
||||||
|
} elseif ( isset($_POST['id_base']) && $_POST['id_base'] == $this->id_base ) {
|
||||||
|
$num = $_POST['multi_number'] ? (int) $_POST['multi_number'] : (int) $_POST['widget_number'];
|
||||||
|
$settings = array( $num => array() );
|
||||||
|
} else {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
foreach ( $settings as $number => $new_instance ) {
|
||||||
|
$new_instance = stripslashes_deep($new_instance);
|
||||||
|
$this->_set($number);
|
||||||
|
|
||||||
|
$old_instance = isset($all_instances[$number]) ? $all_instances[$number] : array();
|
||||||
|
|
||||||
|
$was_cache_addition_suspended = wp_suspend_cache_addition();
|
||||||
|
if ( $this->is_preview() && ! $was_cache_addition_suspended ) {
|
||||||
|
wp_suspend_cache_addition( true );
|
||||||
|
}
|
||||||
|
|
||||||
|
$instance = $this->update( $new_instance, $old_instance );
|
||||||
|
|
||||||
|
if ( $this->is_preview() ) {
|
||||||
|
wp_suspend_cache_addition( $was_cache_addition_suspended );
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Filter a widget's settings before saving.
|
||||||
|
*
|
||||||
|
* Returning false will effectively short-circuit the widget's ability
|
||||||
|
* to update settings.
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
*
|
||||||
|
* @param array $instance The current widget instance's settings.
|
||||||
|
* @param array $new_instance Array of new widget settings.
|
||||||
|
* @param array $old_instance Array of old widget settings.
|
||||||
|
* @param WP_Widget $this The current widget instance.
|
||||||
|
*/
|
||||||
|
$instance = apply_filters( 'widget_update_callback', $instance, $new_instance, $old_instance, $this );
|
||||||
|
if ( false !== $instance ) {
|
||||||
|
$all_instances[$number] = $instance;
|
||||||
|
}
|
||||||
|
|
||||||
|
break; // run only once
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
$this->save_settings($all_instances);
|
||||||
|
$this->updated = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Generate the widget control form (Do NOT override).
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
* @access public
|
||||||
|
*
|
||||||
|
* @param int|array $widget_args Widget instance number or array of widget arguments.
|
||||||
|
* @return string|null
|
||||||
|
*/
|
||||||
|
public function form_callback( $widget_args = 1 ) {
|
||||||
|
if ( is_numeric($widget_args) )
|
||||||
|
$widget_args = array( 'number' => $widget_args );
|
||||||
|
|
||||||
|
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
|
||||||
|
$all_instances = $this->get_settings();
|
||||||
|
|
||||||
|
if ( -1 == $widget_args['number'] ) {
|
||||||
|
// We echo out a form where 'number' can be set later
|
||||||
|
$this->_set('__i__');
|
||||||
|
$instance = array();
|
||||||
|
} else {
|
||||||
|
$this->_set($widget_args['number']);
|
||||||
|
$instance = $all_instances[ $widget_args['number'] ];
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Filter the widget instance's settings before displaying the control form.
|
||||||
|
*
|
||||||
|
* Returning false effectively short-circuits display of the control form.
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
*
|
||||||
|
* @param array $instance The current widget instance's settings.
|
||||||
|
* @param WP_Widget $this The current widget instance.
|
||||||
|
*/
|
||||||
|
$instance = apply_filters( 'widget_form_callback', $instance, $this );
|
||||||
|
|
||||||
|
$return = null;
|
||||||
|
if ( false !== $instance ) {
|
||||||
|
$return = $this->form($instance);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Fires at the end of the widget control form.
|
||||||
|
*
|
||||||
|
* Use this hook to add extra fields to the widget form. The hook
|
||||||
|
* is only fired if the value passed to the 'widget_form_callback'
|
||||||
|
* hook is not false.
|
||||||
|
*
|
||||||
|
* Note: If the widget has no form, the text echoed from the default
|
||||||
|
* form method can be hidden using CSS.
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
*
|
||||||
|
* @param WP_Widget $this The widget instance, passed by reference.
|
||||||
|
* @param null $return Return null if new fields are added.
|
||||||
|
* @param array $instance An array of the widget's settings.
|
||||||
|
*/
|
||||||
|
do_action_ref_array( 'in_widget_form', array( &$this, &$return, $instance ) );
|
||||||
|
}
|
||||||
|
return $return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Register an instance of the widget class.
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
* @access private
|
||||||
|
*
|
||||||
|
* @param integer $number Optional. The unique order number of this widget instance
|
||||||
|
* compared to other instances of the same class. Default -1.
|
||||||
|
*/
|
||||||
|
public function _register_one( $number = -1 ) {
|
||||||
|
wp_register_sidebar_widget( $this->id, $this->name, $this->_get_display_callback(), $this->widget_options, array( 'number' => $number ) );
|
||||||
|
_register_widget_update_callback( $this->id_base, $this->_get_update_callback(), $this->control_options, array( 'number' => -1 ) );
|
||||||
|
_register_widget_form_callback( $this->id, $this->name, $this->_get_form_callback(), $this->control_options, array( 'number' => $number ) );
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Save the settings for all instances of the widget class.
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
* @access public
|
||||||
|
*
|
||||||
|
* @param array $settings Multi-dimensional array of widget instance settings.
|
||||||
|
*/
|
||||||
|
public function save_settings( $settings ) {
|
||||||
|
$settings['_multiwidget'] = 1;
|
||||||
|
update_option( $this->option_name, $settings );
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Get the settings for all instances of the widget class.
|
||||||
|
*
|
||||||
|
* @since 2.8.0
|
||||||
|
* @access public
|
||||||
|
*
|
||||||
|
* @return array Multi-dimensional array of widget instance settings.
|
||||||
|
*/
|
||||||
|
public function get_settings() {
|
||||||
|
|
||||||
|
$settings = get_option( $this->option_name );
|
||||||
|
|
||||||
|
if ( false === $settings && isset( $this->alt_option_name ) ) {
|
||||||
|
$settings = get_option( $this->alt_option_name );
|
||||||
|
}
|
||||||
|
|
||||||
|
if ( ! is_array( $settings ) && ! ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) ) {
|
||||||
|
$settings = array();
|
||||||
|
}
|
||||||
|
|
||||||
|
if ( ! empty( $settings ) && ! isset( $settings['_multiwidget'] ) ) {
|
||||||
|
// Old format, convert if single widget.
|
||||||
|
$settings = wp_convert_widget_settings( $this->id_base, $this->option_name, $settings );
|
||||||
|
}
|
||||||
|
|
||||||
|
unset( $settings['_multiwidget'], $settings['__i__'] );
|
||||||
|
return $settings;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -4,7 +4,7 @@
|
||||||
*
|
*
|
||||||
* @global string $wp_version
|
* @global string $wp_version
|
||||||
*/
|
*/
|
||||||
$wp_version = '4.4-alpha-33745';
|
$wp_version = '4.4-alpha-33746';
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
|
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
|
||||||
|
|
|
||||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue