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2074 lines
65 KiB
2074 lines
65 KiB
<?php |
|
/** |
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* WordPress Customize Widgets classes |
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* |
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* @package WordPress |
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* @subpackage Customize |
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* @since 3.9.0 |
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*/ |
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|
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/** |
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* Customize Widgets class. |
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* |
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* Implements widget management in the Customizer. |
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* |
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* @since 3.9.0 |
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* |
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* @see WP_Customize_Manager |
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*/ |
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final class WP_Customize_Widgets { |
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|
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/** |
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* WP_Customize_Manager instance. |
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* |
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* @since 3.9.0 |
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* @var WP_Customize_Manager |
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*/ |
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public $manager; |
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|
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/** |
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* All id_bases for widgets defined in core. |
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* |
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* @since 3.9.0 |
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* @var array |
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*/ |
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protected $core_widget_id_bases = array( |
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'archives', |
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'calendar', |
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'categories', |
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'custom_html', |
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'links', |
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'media_audio', |
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'media_image', |
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'media_video', |
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'meta', |
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'nav_menu', |
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'pages', |
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'recent-comments', |
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'recent-posts', |
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'rss', |
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'search', |
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'tag_cloud', |
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'text', |
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); |
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|
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/** |
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* @since 3.9.0 |
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* @var array |
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*/ |
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protected $rendered_sidebars = array(); |
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|
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/** |
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* @since 3.9.0 |
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* @var array |
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*/ |
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protected $rendered_widgets = array(); |
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|
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/** |
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* @since 3.9.0 |
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* @var array |
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*/ |
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protected $old_sidebars_widgets = array(); |
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|
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/** |
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* Mapping of widget ID base to whether it supports selective refresh. |
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* |
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* @since 4.5.0 |
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* @var array |
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*/ |
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protected $selective_refreshable_widgets; |
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|
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/** |
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* Mapping of setting type to setting ID pattern. |
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* |
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* @since 4.2.0 |
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* @var array |
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*/ |
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protected $setting_id_patterns = array( |
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'widget_instance' => '/^widget_(?P<id_base>.+?)(?:\[(?P<widget_number>\d+)\])?$/', |
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'sidebar_widgets' => '/^sidebars_widgets\[(?P<sidebar_id>.+?)\]$/', |
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); |
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|
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/** |
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* Initial loader. |
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* |
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* @since 3.9.0 |
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* |
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* @param WP_Customize_Manager $manager Customize manager bootstrap instance. |
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*/ |
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public function __construct( $manager ) { |
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$this->manager = $manager; |
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|
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// See https://github.com/xwp/wp-customize-snapshots/blob/962586659688a5b1fd9ae93618b7ce2d4e7a421c/php/class-customize-snapshot-manager.php#L420-L449 |
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add_filter( 'customize_dynamic_setting_args', array( $this, 'filter_customize_dynamic_setting_args' ), 10, 2 ); |
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add_action( 'widgets_init', array( $this, 'register_settings' ), 95 ); |
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add_action( 'customize_register', array( $this, 'schedule_customize_register' ), 1 ); |
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|
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// Skip remaining hooks when the user can't manage widgets anyway. |
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if ( ! current_user_can( 'edit_theme_options' ) ) { |
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return; |
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} |
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|
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add_action( 'wp_loaded', array( $this, 'override_sidebars_widgets_for_theme_switch' ) ); |
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add_action( 'customize_controls_init', array( $this, 'customize_controls_init' ) ); |
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add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_scripts' ) ); |
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add_action( 'customize_controls_print_styles', array( $this, 'print_styles' ) ); |
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add_action( 'customize_controls_print_scripts', array( $this, 'print_scripts' ) ); |
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add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_footer_scripts' ) ); |
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add_action( 'customize_controls_print_footer_scripts', array( $this, 'output_widget_control_templates' ) ); |
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add_action( 'customize_preview_init', array( $this, 'customize_preview_init' ) ); |
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add_filter( 'customize_refresh_nonces', array( $this, 'refresh_nonces' ) ); |
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|
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add_action( 'dynamic_sidebar', array( $this, 'tally_rendered_widgets' ) ); |
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add_filter( 'is_active_sidebar', array( $this, 'tally_sidebars_via_is_active_sidebar_calls' ), 10, 2 ); |
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add_filter( 'dynamic_sidebar_has_widgets', array( $this, 'tally_sidebars_via_dynamic_sidebar_calls' ), 10, 2 ); |
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|
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// Selective Refresh. |
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add_filter( 'customize_dynamic_partial_args', array( $this, 'customize_dynamic_partial_args' ), 10, 2 ); |
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add_action( 'customize_preview_init', array( $this, 'selective_refresh_init' ) ); |
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} |
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|
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/** |
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* List whether each registered widget can be use selective refresh. |
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* |
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* If the theme does not support the customize-selective-refresh-widgets feature, |
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* then this will always return an empty array. |
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* |
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* @since 4.5.0 |
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* |
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* @global WP_Widget_Factory $wp_widget_factory |
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* |
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* @return array Mapping of id_base to support. If theme doesn't support |
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* selective refresh, an empty array is returned. |
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*/ |
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public function get_selective_refreshable_widgets() { |
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global $wp_widget_factory; |
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if ( ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) { |
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return array(); |
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} |
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if ( ! isset( $this->selective_refreshable_widgets ) ) { |
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$this->selective_refreshable_widgets = array(); |
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foreach ( $wp_widget_factory->widgets as $wp_widget ) { |
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$this->selective_refreshable_widgets[ $wp_widget->id_base ] = ! empty( $wp_widget->widget_options['customize_selective_refresh'] ); |
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} |
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} |
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return $this->selective_refreshable_widgets; |
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} |
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|
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/** |
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* Determines if a widget supports selective refresh. |
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* |
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* @since 4.5.0 |
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* |
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* @param string $id_base Widget ID Base. |
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* @return bool Whether the widget can be selective refreshed. |
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*/ |
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public function is_widget_selective_refreshable( $id_base ) { |
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$selective_refreshable_widgets = $this->get_selective_refreshable_widgets(); |
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return ! empty( $selective_refreshable_widgets[ $id_base ] ); |
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} |
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|
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/** |
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* Retrieves the widget setting type given a setting ID. |
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* |
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* @since 4.2.0 |
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* |
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* @staticvar array $cache |
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* |
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* @param string $setting_id Setting ID. |
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* @return string|void Setting type. |
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*/ |
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protected function get_setting_type( $setting_id ) { |
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static $cache = array(); |
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if ( isset( $cache[ $setting_id ] ) ) { |
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return $cache[ $setting_id ]; |
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} |
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foreach ( $this->setting_id_patterns as $type => $pattern ) { |
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if ( preg_match( $pattern, $setting_id ) ) { |
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$cache[ $setting_id ] = $type; |
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return $type; |
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} |
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} |
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} |
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|
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/** |
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* Inspects the incoming customized data for any widget settings, and dynamically adds |
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* them up-front so widgets will be initialized properly. |
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* |
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* @since 4.2.0 |
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*/ |
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public function register_settings() { |
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$widget_setting_ids = array(); |
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$incoming_setting_ids = array_keys( $this->manager->unsanitized_post_values() ); |
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foreach ( $incoming_setting_ids as $setting_id ) { |
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if ( ! is_null( $this->get_setting_type( $setting_id ) ) ) { |
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$widget_setting_ids[] = $setting_id; |
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} |
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} |
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if ( $this->manager->doing_ajax( 'update-widget' ) && isset( $_REQUEST['widget-id'] ) ) { |
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$widget_setting_ids[] = $this->get_setting_id( wp_unslash( $_REQUEST['widget-id'] ) ); |
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} |
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$settings = $this->manager->add_dynamic_settings( array_unique( $widget_setting_ids ) ); |
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|
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if ( $this->manager->settings_previewed() ) { |
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foreach ( $settings as $setting ) { |
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$setting->preview(); |
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} |
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} |
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} |
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|
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/** |
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* Determines the arguments for a dynamically-created setting. |
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* |
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* @since 4.2.0 |
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* |
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* @param false|array $args The arguments to the WP_Customize_Setting constructor. |
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* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`. |
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* @return false|array Setting arguments, false otherwise. |
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*/ |
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public function filter_customize_dynamic_setting_args( $args, $setting_id ) { |
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if ( $this->get_setting_type( $setting_id ) ) { |
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$args = $this->get_setting_args( $setting_id ); |
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} |
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return $args; |
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} |
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|
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/** |
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* Retrieves an unslashed post value or return a default. |
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* |
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* @since 3.9.0 |
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* |
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* @param string $name Post value. |
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* @param mixed $default Default post value. |
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* @return mixed Unslashed post value or default value. |
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*/ |
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protected function get_post_value( $name, $default = null ) { |
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if ( ! isset( $_POST[ $name ] ) ) { |
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return $default; |
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} |
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|
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return wp_unslash( $_POST[ $name ] ); |
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} |
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|
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/** |
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* Override sidebars_widgets for theme switch. |
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* |
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* When switching a theme via the Customizer, supply any previously-configured |
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* sidebars_widgets from the target theme as the initial sidebars_widgets |
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* setting. Also store the old theme's existing settings so that they can |
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* be passed along for storing in the sidebars_widgets theme_mod when the |
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* theme gets switched. |
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* |
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* @since 3.9.0 |
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* |
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* @global array $sidebars_widgets |
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* @global array $_wp_sidebars_widgets |
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*/ |
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public function override_sidebars_widgets_for_theme_switch() { |
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global $sidebars_widgets; |
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|
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if ( $this->manager->doing_ajax() || $this->manager->is_theme_active() ) { |
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return; |
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} |
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|
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$this->old_sidebars_widgets = wp_get_sidebars_widgets(); |
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add_filter( 'customize_value_old_sidebars_widgets_data', array( $this, 'filter_customize_value_old_sidebars_widgets_data' ) ); |
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$this->manager->set_post_value( 'old_sidebars_widgets_data', $this->old_sidebars_widgets ); // Override any value cached in changeset. |
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|
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// retrieve_widgets() looks at the global $sidebars_widgets |
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$sidebars_widgets = $this->old_sidebars_widgets; |
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$sidebars_widgets = retrieve_widgets( 'customize' ); |
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add_filter( 'option_sidebars_widgets', array( $this, 'filter_option_sidebars_widgets_for_theme_switch' ), 1 ); |
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// reset global cache var used by wp_get_sidebars_widgets() |
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unset( $GLOBALS['_wp_sidebars_widgets'] ); |
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} |
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|
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/** |
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* Filters old_sidebars_widgets_data Customizer setting. |
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* |
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* When switching themes, filter the Customizer setting old_sidebars_widgets_data |
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* to supply initial $sidebars_widgets before they were overridden by retrieve_widgets(). |
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* The value for old_sidebars_widgets_data gets set in the old theme's sidebars_widgets |
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* theme_mod. |
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* |
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* @since 3.9.0 |
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* |
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* @see WP_Customize_Widgets::handle_theme_switch() |
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* |
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* @param array $old_sidebars_widgets |
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* @return array |
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*/ |
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public function filter_customize_value_old_sidebars_widgets_data( $old_sidebars_widgets ) { |
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return $this->old_sidebars_widgets; |
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} |
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|
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/** |
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* Filters sidebars_widgets option for theme switch. |
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* |
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* When switching themes, the retrieve_widgets() function is run when the Customizer initializes, |
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* and then the new sidebars_widgets here get supplied as the default value for the sidebars_widgets |
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* option. |
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* |
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* @since 3.9.0 |
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* |
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* @see WP_Customize_Widgets::handle_theme_switch() |
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* @global array $sidebars_widgets |
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* |
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* @param array $sidebars_widgets |
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* @return array |
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*/ |
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public function filter_option_sidebars_widgets_for_theme_switch( $sidebars_widgets ) { |
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$sidebars_widgets = $GLOBALS['sidebars_widgets']; |
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$sidebars_widgets['array_version'] = 3; |
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return $sidebars_widgets; |
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} |
|
|
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/** |
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* Ensures all widgets get loaded into the Customizer. |
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* |
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* Note: these actions are also fired in wp_ajax_update_widget(). |
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* |
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* @since 3.9.0 |
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*/ |
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public function customize_controls_init() { |
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/** This action is documented in wp-admin/includes/ajax-actions.php */ |
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do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
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|
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/** This action is documented in wp-admin/includes/ajax-actions.php */ |
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do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
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|
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/** This action is documented in wp-admin/widgets.php */ |
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do_action( 'sidebar_admin_setup' ); |
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} |
|
|
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/** |
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* Ensures widgets are available for all types of previews. |
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* |
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* When in preview, hook to {@see 'customize_register'} for settings after WordPress is loaded |
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* so that all filters have been initialized (e.g. Widget Visibility). |
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* |
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* @since 3.9.0 |
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*/ |
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public function schedule_customize_register() { |
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if ( is_admin() ) { |
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$this->customize_register(); |
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} else { |
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add_action( 'wp', array( $this, 'customize_register' ) ); |
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} |
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} |
|
|
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/** |
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* Registers Customizer settings and controls for all sidebars and widgets. |
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* |
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* @since 3.9.0 |
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* |
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* @global array $wp_registered_widgets |
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* @global array $wp_registered_widget_controls |
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* @global array $wp_registered_sidebars |
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*/ |
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public function customize_register() { |
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global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_sidebars; |
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|
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add_filter( 'sidebars_widgets', array( $this, 'preview_sidebars_widgets' ), 1 ); |
|
|
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$sidebars_widgets = array_merge( |
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array( 'wp_inactive_widgets' => array() ), |
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array_fill_keys( array_keys( $wp_registered_sidebars ), array() ), |
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wp_get_sidebars_widgets() |
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); |
|
|
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$new_setting_ids = array(); |
|
|
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/* |
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* Register a setting for all widgets, including those which are active, |
|
* inactive, and orphaned since a widget may get suppressed from a sidebar |
|
* via a plugin (like Widget Visibility). |
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*/ |
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foreach ( array_keys( $wp_registered_widgets ) as $widget_id ) { |
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$setting_id = $this->get_setting_id( $widget_id ); |
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$setting_args = $this->get_setting_args( $setting_id ); |
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if ( ! $this->manager->get_setting( $setting_id ) ) { |
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$this->manager->add_setting( $setting_id, $setting_args ); |
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} |
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$new_setting_ids[] = $setting_id; |
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} |
|
|
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/* |
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* Add a setting which will be supplied for the theme's sidebars_widgets |
|
* theme_mod when the theme is switched. |
|
*/ |
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if ( ! $this->manager->is_theme_active() ) { |
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$setting_id = 'old_sidebars_widgets_data'; |
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$setting_args = $this->get_setting_args( |
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$setting_id, |
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array( |
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'type' => 'global_variable', |
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'dirty' => true, |
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) |
|
); |
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$this->manager->add_setting( $setting_id, $setting_args ); |
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} |
|
|
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$this->manager->add_panel( |
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'widgets', |
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array( |
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'type' => 'widgets', |
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'title' => __( 'Widgets' ), |
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'description' => __( 'Widgets are independent sections of content that can be placed into widgetized areas provided by your theme (commonly called sidebars).' ), |
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'priority' => 110, |
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'active_callback' => array( $this, 'is_panel_active' ), |
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'auto_expand_sole_section' => true, |
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) |
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); |
|
|
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foreach ( $sidebars_widgets as $sidebar_id => $sidebar_widget_ids ) { |
|
if ( empty( $sidebar_widget_ids ) ) { |
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$sidebar_widget_ids = array(); |
|
} |
|
|
|
$is_registered_sidebar = is_registered_sidebar( $sidebar_id ); |
|
$is_inactive_widgets = ( 'wp_inactive_widgets' === $sidebar_id ); |
|
$is_active_sidebar = ( $is_registered_sidebar && ! $is_inactive_widgets ); |
|
|
|
// Add setting for managing the sidebar's widgets. |
|
if ( $is_registered_sidebar || $is_inactive_widgets ) { |
|
$setting_id = sprintf( 'sidebars_widgets[%s]', $sidebar_id ); |
|
$setting_args = $this->get_setting_args( $setting_id ); |
|
if ( ! $this->manager->get_setting( $setting_id ) ) { |
|
if ( ! $this->manager->is_theme_active() ) { |
|
$setting_args['dirty'] = true; |
|
} |
|
$this->manager->add_setting( $setting_id, $setting_args ); |
|
} |
|
$new_setting_ids[] = $setting_id; |
|
|
|
// Add section to contain controls. |
|
$section_id = sprintf( 'sidebar-widgets-%s', $sidebar_id ); |
|
if ( $is_active_sidebar ) { |
|
|
|
$section_args = array( |
|
'title' => $wp_registered_sidebars[ $sidebar_id ]['name'], |
|
'description' => $wp_registered_sidebars[ $sidebar_id ]['description'], |
|
'priority' => array_search( $sidebar_id, array_keys( $wp_registered_sidebars ) ), |
|
'panel' => 'widgets', |
|
'sidebar_id' => $sidebar_id, |
|
); |
|
|
|
/** |
|
* Filters Customizer widget section arguments for a given sidebar. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param array $section_args Array of Customizer widget section arguments. |
|
* @param string $section_id Customizer section ID. |
|
* @param int|string $sidebar_id Sidebar ID. |
|
*/ |
|
$section_args = apply_filters( 'customizer_widgets_section_args', $section_args, $section_id, $sidebar_id ); |
|
|
|
$section = new WP_Customize_Sidebar_Section( $this->manager, $section_id, $section_args ); |
|
$this->manager->add_section( $section ); |
|
|
|
$control = new WP_Widget_Area_Customize_Control( |
|
$this->manager, |
|
$setting_id, |
|
array( |
|
'section' => $section_id, |
|
'sidebar_id' => $sidebar_id, |
|
'priority' => count( $sidebar_widget_ids ), // place 'Add Widget' and 'Reorder' buttons at end. |
|
) |
|
); |
|
$new_setting_ids[] = $setting_id; |
|
|
|
$this->manager->add_control( $control ); |
|
} |
|
} |
|
|
|
// Add a control for each active widget (located in a sidebar). |
|
foreach ( $sidebar_widget_ids as $i => $widget_id ) { |
|
|
|
// Skip widgets that may have gone away due to a plugin being deactivated. |
|
if ( ! $is_active_sidebar || ! isset( $wp_registered_widgets[ $widget_id ] ) ) { |
|
continue; |
|
} |
|
|
|
$registered_widget = $wp_registered_widgets[ $widget_id ]; |
|
$setting_id = $this->get_setting_id( $widget_id ); |
|
$id_base = $wp_registered_widget_controls[ $widget_id ]['id_base']; |
|
|
|
$control = new WP_Widget_Form_Customize_Control( |
|
$this->manager, |
|
$setting_id, |
|
array( |
|
'label' => $registered_widget['name'], |
|
'section' => $section_id, |
|
'sidebar_id' => $sidebar_id, |
|
'widget_id' => $widget_id, |
|
'widget_id_base' => $id_base, |
|
'priority' => $i, |
|
'width' => $wp_registered_widget_controls[ $widget_id ]['width'], |
|
'height' => $wp_registered_widget_controls[ $widget_id ]['height'], |
|
'is_wide' => $this->is_wide_widget( $widget_id ), |
|
) |
|
); |
|
$this->manager->add_control( $control ); |
|
} |
|
} |
|
|
|
if ( $this->manager->settings_previewed() ) { |
|
foreach ( $new_setting_ids as $new_setting_id ) { |
|
$this->manager->get_setting( $new_setting_id )->preview(); |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* Determines whether the widgets panel is active, based on whether there are sidebars registered. |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @see WP_Customize_Panel::$active_callback |
|
* |
|
* @global array $wp_registered_sidebars |
|
* @return bool Active. |
|
*/ |
|
public function is_panel_active() { |
|
global $wp_registered_sidebars; |
|
return ! empty( $wp_registered_sidebars ); |
|
} |
|
|
|
/** |
|
* Converts a widget_id into its corresponding Customizer setting ID (option name). |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param string $widget_id Widget ID. |
|
* @return string Maybe-parsed widget ID. |
|
*/ |
|
public function get_setting_id( $widget_id ) { |
|
$parsed_widget_id = $this->parse_widget_id( $widget_id ); |
|
$setting_id = sprintf( 'widget_%s', $parsed_widget_id['id_base'] ); |
|
|
|
if ( ! is_null( $parsed_widget_id['number'] ) ) { |
|
$setting_id .= sprintf( '[%d]', $parsed_widget_id['number'] ); |
|
} |
|
return $setting_id; |
|
} |
|
|
|
/** |
|
* Determines whether the widget is considered "wide". |
|
* |
|
* Core widgets which may have controls wider than 250, but can still be shown |
|
* in the narrow Customizer panel. The RSS and Text widgets in Core, for example, |
|
* have widths of 400 and yet they still render fine in the Customizer panel. |
|
* |
|
* This method will return all Core widgets as being not wide, but this can be |
|
* overridden with the {@see 'is_wide_widget_in_customizer'} filter. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @global $wp_registered_widget_controls |
|
* |
|
* @param string $widget_id Widget ID. |
|
* @return bool Whether or not the widget is a "wide" widget. |
|
*/ |
|
public function is_wide_widget( $widget_id ) { |
|
global $wp_registered_widget_controls; |
|
|
|
$parsed_widget_id = $this->parse_widget_id( $widget_id ); |
|
$width = $wp_registered_widget_controls[ $widget_id ]['width']; |
|
$is_core = in_array( $parsed_widget_id['id_base'], $this->core_widget_id_bases ); |
|
$is_wide = ( $width > 250 && ! $is_core ); |
|
|
|
/** |
|
* Filters whether the given widget is considered "wide". |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param bool $is_wide Whether the widget is wide, Default false. |
|
* @param string $widget_id Widget ID. |
|
*/ |
|
return apply_filters( 'is_wide_widget_in_customizer', $is_wide, $widget_id ); |
|
} |
|
|
|
/** |
|
* Converts a widget ID into its id_base and number components. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param string $widget_id Widget ID. |
|
* @return array Array containing a widget's id_base and number components. |
|
*/ |
|
public function parse_widget_id( $widget_id ) { |
|
$parsed = array( |
|
'number' => null, |
|
'id_base' => null, |
|
); |
|
|
|
if ( preg_match( '/^(.+)-(\d+)$/', $widget_id, $matches ) ) { |
|
$parsed['id_base'] = $matches[1]; |
|
$parsed['number'] = intval( $matches[2] ); |
|
} else { |
|
// likely an old single widget |
|
$parsed['id_base'] = $widget_id; |
|
} |
|
return $parsed; |
|
} |
|
|
|
/** |
|
* Converts a widget setting ID (option path) to its id_base and number components. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param string $setting_id Widget setting ID. |
|
* @return WP_Error|array Array containing a widget's id_base and number components, |
|
* or a WP_Error object. |
|
*/ |
|
public function parse_widget_setting_id( $setting_id ) { |
|
if ( ! preg_match( '/^(widget_(.+?))(?:\[(\d+)\])?$/', $setting_id, $matches ) ) { |
|
return new WP_Error( 'widget_setting_invalid_id' ); |
|
} |
|
|
|
$id_base = $matches[2]; |
|
$number = isset( $matches[3] ) ? intval( $matches[3] ) : null; |
|
|
|
return compact( 'id_base', 'number' ); |
|
} |
|
|
|
/** |
|
* Calls admin_print_styles-widgets.php and admin_print_styles hooks to |
|
* allow custom styles from plugins. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
public function print_styles() { |
|
/** This action is documented in wp-admin/admin-header.php */ |
|
do_action( 'admin_print_styles-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
|
|
|
/** This action is documented in wp-admin/admin-header.php */ |
|
do_action( 'admin_print_styles' ); |
|
} |
|
|
|
/** |
|
* Calls admin_print_scripts-widgets.php and admin_print_scripts hooks to |
|
* allow custom scripts from plugins. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
public function print_scripts() { |
|
/** This action is documented in wp-admin/admin-header.php */ |
|
do_action( 'admin_print_scripts-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
|
|
|
/** This action is documented in wp-admin/admin-header.php */ |
|
do_action( 'admin_print_scripts' ); |
|
} |
|
|
|
/** |
|
* Enqueues scripts and styles for Customizer panel and export data to JavaScript. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @global WP_Scripts $wp_scripts |
|
* @global array $wp_registered_sidebars |
|
* @global array $wp_registered_widgets |
|
*/ |
|
public function enqueue_scripts() { |
|
global $wp_scripts, $wp_registered_sidebars, $wp_registered_widgets; |
|
|
|
wp_enqueue_style( 'customize-widgets' ); |
|
wp_enqueue_script( 'customize-widgets' ); |
|
|
|
/** This action is documented in wp-admin/admin-header.php */ |
|
do_action( 'admin_enqueue_scripts', 'widgets.php' ); |
|
|
|
/* |
|
* Export available widgets with control_tpl removed from model |
|
* since plugins need templates to be in the DOM. |
|
*/ |
|
$available_widgets = array(); |
|
|
|
foreach ( $this->get_available_widgets() as $available_widget ) { |
|
unset( $available_widget['control_tpl'] ); |
|
$available_widgets[] = $available_widget; |
|
} |
|
|
|
$widget_reorder_nav_tpl = sprintf( |
|
'<div class="widget-reorder-nav"><span class="move-widget" tabindex="0">%1$s</span><span class="move-widget-down" tabindex="0">%2$s</span><span class="move-widget-up" tabindex="0">%3$s</span></div>', |
|
__( 'Move to another area…' ), |
|
__( 'Move down' ), |
|
__( 'Move up' ) |
|
); |
|
|
|
$move_widget_area_tpl = str_replace( |
|
array( '{description}', '{btn}' ), |
|
array( |
|
__( 'Select an area to move this widget into:' ), |
|
_x( 'Move', 'Move widget' ), |
|
), |
|
'<div class="move-widget-area"> |
|
<p class="description">{description}</p> |
|
<ul class="widget-area-select"> |
|
<% _.each( sidebars, function ( sidebar ){ %> |
|
<li class="" data-id="<%- sidebar.id %>" title="<%- sidebar.description %>" tabindex="0"><%- sidebar.name %></li> |
|
<% }); %> |
|
</ul> |
|
<div class="move-widget-actions"> |
|
<button class="move-widget-btn button" type="button">{btn}</button> |
|
</div> |
|
</div>' |
|
); |
|
|
|
/* |
|
* Gather all strings in PHP that may be needed by JS on the client. |
|
* Once JS i18n is implemented (in #20491), this can be removed. |
|
*/ |
|
$some_non_rendered_areas_messages = array(); |
|
$some_non_rendered_areas_messages[1] = html_entity_decode( |
|
__( 'Your theme has 1 other widget area, but this particular page doesn’t display it.' ), |
|
ENT_QUOTES, |
|
get_bloginfo( 'charset' ) |
|
); |
|
$registered_sidebar_count = count( $wp_registered_sidebars ); |
|
for ( $non_rendered_count = 2; $non_rendered_count < $registered_sidebar_count; $non_rendered_count++ ) { |
|
$some_non_rendered_areas_messages[ $non_rendered_count ] = html_entity_decode( |
|
sprintf( |
|
/* translators: %s: The number of other widget areas registered but not rendered. */ |
|
_n( |
|
'Your theme has %s other widget area, but this particular page doesn’t display it.', |
|
'Your theme has %s other widget areas, but this particular page doesn’t display them.', |
|
$non_rendered_count |
|
), |
|
number_format_i18n( $non_rendered_count ) |
|
), |
|
ENT_QUOTES, |
|
get_bloginfo( 'charset' ) |
|
); |
|
} |
|
|
|
if ( 1 === $registered_sidebar_count ) { |
|
$no_areas_shown_message = html_entity_decode( |
|
sprintf( |
|
__( 'Your theme has 1 widget area, but this particular page doesn’t display it.' ) |
|
), |
|
ENT_QUOTES, |
|
get_bloginfo( 'charset' ) |
|
); |
|
} else { |
|
$no_areas_shown_message = html_entity_decode( |
|
sprintf( |
|
/* translators: %s: The total number of widget areas registered. */ |
|
_n( |
|
'Your theme has %s widget area, but this particular page doesn’t display it.', |
|
'Your theme has %s widget areas, but this particular page doesn’t display them.', |
|
$registered_sidebar_count |
|
), |
|
number_format_i18n( $registered_sidebar_count ) |
|
), |
|
ENT_QUOTES, |
|
get_bloginfo( 'charset' ) |
|
); |
|
} |
|
|
|
$settings = array( |
|
'registeredSidebars' => array_values( $wp_registered_sidebars ), |
|
'registeredWidgets' => $wp_registered_widgets, |
|
'availableWidgets' => $available_widgets, // @todo Merge this with registered_widgets |
|
'l10n' => array( |
|
'saveBtnLabel' => __( 'Apply' ), |
|
'saveBtnTooltip' => __( 'Save and preview changes before publishing them.' ), |
|
'removeBtnLabel' => __( 'Remove' ), |
|
'removeBtnTooltip' => __( 'Keep widget settings and move it to the inactive widgets' ), |
|
'error' => __( 'An error has occurred. Please reload the page and try again.' ), |
|
'widgetMovedUp' => __( 'Widget moved up' ), |
|
'widgetMovedDown' => __( 'Widget moved down' ), |
|
'navigatePreview' => __( 'You can navigate to other pages on your site while using the Customizer to view and edit the widgets displayed on those pages.' ), |
|
'someAreasShown' => $some_non_rendered_areas_messages, |
|
'noAreasShown' => $no_areas_shown_message, |
|
'reorderModeOn' => __( 'Reorder mode enabled' ), |
|
'reorderModeOff' => __( 'Reorder mode closed' ), |
|
'reorderLabelOn' => esc_attr__( 'Reorder widgets' ), |
|
/* translators: %d: The number of widgets found. */ |
|
'widgetsFound' => __( 'Number of widgets found: %d' ), |
|
'noWidgetsFound' => __( 'No widgets found.' ), |
|
), |
|
'tpl' => array( |
|
'widgetReorderNav' => $widget_reorder_nav_tpl, |
|
'moveWidgetArea' => $move_widget_area_tpl, |
|
), |
|
'selectiveRefreshableWidgets' => $this->get_selective_refreshable_widgets(), |
|
); |
|
|
|
foreach ( $settings['registeredWidgets'] as &$registered_widget ) { |
|
unset( $registered_widget['callback'] ); // may not be JSON-serializeable |
|
} |
|
|
|
$wp_scripts->add_data( |
|
'customize-widgets', |
|
'data', |
|
sprintf( 'var _wpCustomizeWidgetsSettings = %s;', wp_json_encode( $settings ) ) |
|
); |
|
} |
|
|
|
/** |
|
* Renders the widget form control templates into the DOM. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
public function output_widget_control_templates() { |
|
?> |
|
<div id="widgets-left"><!-- compatibility with JS which looks for widget templates here --> |
|
<div id="available-widgets"> |
|
<div class="customize-section-title"> |
|
<button class="customize-section-back" tabindex="-1"> |
|
<span class="screen-reader-text"><?php _e( 'Back' ); ?></span> |
|
</button> |
|
<h3> |
|
<span class="customize-action"> |
|
<?php |
|
/* translators: ▸ is the unicode right-pointing triangle. %s: Section title in the Customizer. */ |
|
echo sprintf( __( 'Customizing ▸ %s' ), esc_html( $this->manager->get_panel( 'widgets' )->title ) ); |
|
?> |
|
</span> |
|
<?php _e( 'Add a Widget' ); ?> |
|
</h3> |
|
</div> |
|
<div id="available-widgets-filter"> |
|
<label class="screen-reader-text" for="widgets-search"><?php _e( 'Search Widgets' ); ?></label> |
|
<input type="text" id="widgets-search" placeholder="<?php esc_attr_e( 'Search widgets…' ); ?>" aria-describedby="widgets-search-desc" /> |
|
<div class="search-icon" aria-hidden="true"></div> |
|
<button type="button" class="clear-results"><span class="screen-reader-text"><?php _e( 'Clear Results' ); ?></span></button> |
|
<p class="screen-reader-text" id="widgets-search-desc"><?php _e( 'The search results will be updated as you type.' ); ?></p> |
|
</div> |
|
<div id="available-widgets-list"> |
|
<?php foreach ( $this->get_available_widgets() as $available_widget ) : ?> |
|
<div id="widget-tpl-<?php echo esc_attr( $available_widget['id'] ); ?>" data-widget-id="<?php echo esc_attr( $available_widget['id'] ); ?>" class="widget-tpl <?php echo esc_attr( $available_widget['id'] ); ?>" tabindex="0"> |
|
<?php echo $available_widget['control_tpl']; ?> |
|
</div> |
|
<?php endforeach; ?> |
|
<p class="no-widgets-found-message"><?php _e( 'No widgets found.' ); ?></p> |
|
</div><!-- #available-widgets-list --> |
|
</div><!-- #available-widgets --> |
|
</div><!-- #widgets-left --> |
|
<?php |
|
} |
|
|
|
/** |
|
* Calls admin_print_footer_scripts and admin_print_scripts hooks to |
|
* allow custom scripts from plugins. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
public function print_footer_scripts() { |
|
/** This action is documented in wp-admin/admin-footer.php */ |
|
do_action( 'admin_print_footer_scripts-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
|
|
|
/** This action is documented in wp-admin/admin-footer.php */ |
|
do_action( 'admin_print_footer_scripts' ); |
|
|
|
/** This action is documented in wp-admin/admin-footer.php */ |
|
do_action( 'admin_footer-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
|
} |
|
|
|
/** |
|
* Retrieves common arguments to supply when constructing a Customizer setting. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param string $id Widget setting ID. |
|
* @param array $overrides Array of setting overrides. |
|
* @return array Possibly modified setting arguments. |
|
*/ |
|
public function get_setting_args( $id, $overrides = array() ) { |
|
$args = array( |
|
'type' => 'option', |
|
'capability' => 'edit_theme_options', |
|
'default' => array(), |
|
); |
|
|
|
if ( preg_match( $this->setting_id_patterns['sidebar_widgets'], $id, $matches ) ) { |
|
$args['sanitize_callback'] = array( $this, 'sanitize_sidebar_widgets' ); |
|
$args['sanitize_js_callback'] = array( $this, 'sanitize_sidebar_widgets_js_instance' ); |
|
$args['transport'] = current_theme_supports( 'customize-selective-refresh-widgets' ) ? 'postMessage' : 'refresh'; |
|
} elseif ( preg_match( $this->setting_id_patterns['widget_instance'], $id, $matches ) ) { |
|
$args['sanitize_callback'] = array( $this, 'sanitize_widget_instance' ); |
|
$args['sanitize_js_callback'] = array( $this, 'sanitize_widget_js_instance' ); |
|
$args['transport'] = $this->is_widget_selective_refreshable( $matches['id_base'] ) ? 'postMessage' : 'refresh'; |
|
} |
|
|
|
$args = array_merge( $args, $overrides ); |
|
|
|
/** |
|
* Filters the common arguments supplied when constructing a Customizer setting. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @see WP_Customize_Setting |
|
* |
|
* @param array $args Array of Customizer setting arguments. |
|
* @param string $id Widget setting ID. |
|
*/ |
|
return apply_filters( 'widget_customizer_setting_args', $args, $id ); |
|
} |
|
|
|
/** |
|
* Ensures sidebar widget arrays only ever contain widget IDS. |
|
* |
|
* Used as the 'sanitize_callback' for each $sidebars_widgets setting. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param string[] $widget_ids Array of widget IDs. |
|
* @return string[] Array of sanitized widget IDs. |
|
*/ |
|
public function sanitize_sidebar_widgets( $widget_ids ) { |
|
$widget_ids = array_map( 'strval', (array) $widget_ids ); |
|
$sanitized_widget_ids = array(); |
|
foreach ( $widget_ids as $widget_id ) { |
|
$sanitized_widget_ids[] = preg_replace( '/[^a-z0-9_\-]/', '', $widget_id ); |
|
} |
|
return $sanitized_widget_ids; |
|
} |
|
|
|
/** |
|
* Builds up an index of all available widgets for use in Backbone models. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @global array $wp_registered_widgets |
|
* @global array $wp_registered_widget_controls |
|
* @staticvar array $available_widgets |
|
* |
|
* @see wp_list_widgets() |
|
* |
|
* @return array List of available widgets. |
|
*/ |
|
public function get_available_widgets() { |
|
static $available_widgets = array(); |
|
if ( ! empty( $available_widgets ) ) { |
|
return $available_widgets; |
|
} |
|
|
|
global $wp_registered_widgets, $wp_registered_widget_controls; |
|
require_once ABSPATH . 'wp-admin/includes/widgets.php'; // for next_widget_id_number() |
|
|
|
$sort = $wp_registered_widgets; |
|
usort( $sort, array( $this, '_sort_name_callback' ) ); |
|
$done = array(); |
|
|
|
foreach ( $sort as $widget ) { |
|
if ( in_array( $widget['callback'], $done, true ) ) { // We already showed this multi-widget |
|
continue; |
|
} |
|
|
|
$sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false ); |
|
$done[] = $widget['callback']; |
|
|
|
if ( ! isset( $widget['params'][0] ) ) { |
|
$widget['params'][0] = array(); |
|
} |
|
|
|
$available_widget = $widget; |
|
unset( $available_widget['callback'] ); // not serializable to JSON |
|
|
|
$args = array( |
|
'widget_id' => $widget['id'], |
|
'widget_name' => $widget['name'], |
|
'_display' => 'template', |
|
); |
|
|
|
$is_disabled = false; |
|
$is_multi_widget = ( isset( $wp_registered_widget_controls[ $widget['id'] ]['id_base'] ) && isset( $widget['params'][0]['number'] ) ); |
|
if ( $is_multi_widget ) { |
|
$id_base = $wp_registered_widget_controls[ $widget['id'] ]['id_base']; |
|
$args['_temp_id'] = "$id_base-__i__"; |
|
$args['_multi_num'] = next_widget_id_number( $id_base ); |
|
$args['_add'] = 'multi'; |
|
} else { |
|
$args['_add'] = 'single'; |
|
|
|
if ( $sidebar && 'wp_inactive_widgets' !== $sidebar ) { |
|
$is_disabled = true; |
|
} |
|
$id_base = $widget['id']; |
|
} |
|
|
|
$list_widget_controls_args = wp_list_widget_controls_dynamic_sidebar( |
|
array( |
|
0 => $args, |
|
1 => $widget['params'][0], |
|
) |
|
); |
|
$control_tpl = $this->get_widget_control( $list_widget_controls_args ); |
|
|
|
// The properties here are mapped to the Backbone Widget model. |
|
$available_widget = array_merge( |
|
$available_widget, |
|
array( |
|
'temp_id' => isset( $args['_temp_id'] ) ? $args['_temp_id'] : null, |
|
'is_multi' => $is_multi_widget, |
|
'control_tpl' => $control_tpl, |
|
'multi_number' => ( $args['_add'] === 'multi' ) ? $args['_multi_num'] : false, |
|
'is_disabled' => $is_disabled, |
|
'id_base' => $id_base, |
|
'transport' => $this->is_widget_selective_refreshable( $id_base ) ? 'postMessage' : 'refresh', |
|
'width' => $wp_registered_widget_controls[ $widget['id'] ]['width'], |
|
'height' => $wp_registered_widget_controls[ $widget['id'] ]['height'], |
|
'is_wide' => $this->is_wide_widget( $widget['id'] ), |
|
) |
|
); |
|
|
|
$available_widgets[] = $available_widget; |
|
} |
|
|
|
return $available_widgets; |
|
} |
|
|
|
/** |
|
* Naturally orders available widgets by name. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param array $widget_a The first widget to compare. |
|
* @param array $widget_b The second widget to compare. |
|
* @return int Reorder position for the current widget comparison. |
|
*/ |
|
protected function _sort_name_callback( $widget_a, $widget_b ) { |
|
return strnatcasecmp( $widget_a['name'], $widget_b['name'] ); |
|
} |
|
|
|
/** |
|
* Retrieves the widget control markup. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param array $args Widget control arguments. |
|
* @return string Widget control form HTML markup. |
|
*/ |
|
public function get_widget_control( $args ) { |
|
$args[0]['before_form'] = '<div class="form">'; |
|
$args[0]['after_form'] = '</div><!-- .form -->'; |
|
$args[0]['before_widget_content'] = '<div class="widget-content">'; |
|
$args[0]['after_widget_content'] = '</div><!-- .widget-content -->'; |
|
ob_start(); |
|
wp_widget_control( ...$args ); |
|
$control_tpl = ob_get_clean(); |
|
return $control_tpl; |
|
} |
|
|
|
/** |
|
* Retrieves the widget control markup parts. |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @param array $args Widget control arguments. |
|
* @return array { |
|
* @type string $control Markup for widget control wrapping form. |
|
* @type string $content The contents of the widget form itself. |
|
* } |
|
*/ |
|
public function get_widget_control_parts( $args ) { |
|
$args[0]['before_widget_content'] = '<div class="widget-content">'; |
|
$args[0]['after_widget_content'] = '</div><!-- .widget-content -->'; |
|
$control_markup = $this->get_widget_control( $args ); |
|
|
|
$content_start_pos = strpos( $control_markup, $args[0]['before_widget_content'] ); |
|
$content_end_pos = strrpos( $control_markup, $args[0]['after_widget_content'] ); |
|
|
|
$control = substr( $control_markup, 0, $content_start_pos + strlen( $args[0]['before_widget_content'] ) ); |
|
$control .= substr( $control_markup, $content_end_pos ); |
|
$content = trim( |
|
substr( |
|
$control_markup, |
|
$content_start_pos + strlen( $args[0]['before_widget_content'] ), |
|
$content_end_pos - $content_start_pos - strlen( $args[0]['before_widget_content'] ) |
|
) |
|
); |
|
|
|
return compact( 'control', 'content' ); |
|
} |
|
|
|
/** |
|
* Adds hooks for the Customizer preview. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
public function customize_preview_init() { |
|
add_action( 'wp_enqueue_scripts', array( $this, 'customize_preview_enqueue' ) ); |
|
add_action( 'wp_print_styles', array( $this, 'print_preview_css' ), 1 ); |
|
add_action( 'wp_footer', array( $this, 'export_preview_data' ), 20 ); |
|
} |
|
|
|
/** |
|
* Refreshes the nonce for widget updates. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @param array $nonces Array of nonces. |
|
* @return array $nonces Array of nonces. |
|
*/ |
|
public function refresh_nonces( $nonces ) { |
|
$nonces['update-widget'] = wp_create_nonce( 'update-widget' ); |
|
return $nonces; |
|
} |
|
|
|
/** |
|
* When previewing, ensures the proper previewing widgets are used. |
|
* |
|
* Because wp_get_sidebars_widgets() gets called early at {@see 'init' } (via |
|
* wp_convert_widget_settings()) and can set global variable `$_wp_sidebars_widgets` |
|
* to the value of `get_option( 'sidebars_widgets' )` before the Customizer preview |
|
* filter is added, it has to be reset after the filter has been added. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param array $sidebars_widgets List of widgets for the current sidebar. |
|
* @return array |
|
*/ |
|
public function preview_sidebars_widgets( $sidebars_widgets ) { |
|
$sidebars_widgets = get_option( 'sidebars_widgets', array() ); |
|
|
|
unset( $sidebars_widgets['array_version'] ); |
|
return $sidebars_widgets; |
|
} |
|
|
|
/** |
|
* Enqueues scripts for the Customizer preview. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
public function customize_preview_enqueue() { |
|
wp_enqueue_script( 'customize-preview-widgets' ); |
|
} |
|
|
|
/** |
|
* Inserts default style for highlighted widget at early point so theme |
|
* stylesheet can override. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
public function print_preview_css() { |
|
?> |
|
<style> |
|
.widget-customizer-highlighted-widget { |
|
outline: none; |
|
-webkit-box-shadow: 0 0 2px rgba(30, 140, 190, 0.8); |
|
box-shadow: 0 0 2px rgba(30, 140, 190, 0.8); |
|
position: relative; |
|
z-index: 1; |
|
} |
|
</style> |
|
<?php |
|
} |
|
|
|
/** |
|
* Communicates the sidebars that appeared on the page at the very end of the page, |
|
* and at the very end of the wp_footer, |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @global array $wp_registered_sidebars |
|
* @global array $wp_registered_widgets |
|
*/ |
|
public function export_preview_data() { |
|
global $wp_registered_sidebars, $wp_registered_widgets; |
|
|
|
$switched_locale = switch_to_locale( get_user_locale() ); |
|
$l10n = array( |
|
'widgetTooltip' => __( 'Shift-click to edit this widget.' ), |
|
); |
|
if ( $switched_locale ) { |
|
restore_previous_locale(); |
|
} |
|
|
|
// Prepare Customizer settings to pass to JavaScript. |
|
$settings = array( |
|
'renderedSidebars' => array_fill_keys( array_unique( $this->rendered_sidebars ), true ), |
|
'renderedWidgets' => array_fill_keys( array_keys( $this->rendered_widgets ), true ), |
|
'registeredSidebars' => array_values( $wp_registered_sidebars ), |
|
'registeredWidgets' => $wp_registered_widgets, |
|
'l10n' => $l10n, |
|
'selectiveRefreshableWidgets' => $this->get_selective_refreshable_widgets(), |
|
); |
|
foreach ( $settings['registeredWidgets'] as &$registered_widget ) { |
|
unset( $registered_widget['callback'] ); // may not be JSON-serializeable |
|
} |
|
|
|
?> |
|
<script type="text/javascript"> |
|
var _wpWidgetCustomizerPreviewSettings = <?php echo wp_json_encode( $settings ); ?>; |
|
</script> |
|
<?php |
|
} |
|
|
|
/** |
|
* Tracks the widgets that were rendered. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param array $widget Rendered widget to tally. |
|
*/ |
|
public function tally_rendered_widgets( $widget ) { |
|
$this->rendered_widgets[ $widget['id'] ] = true; |
|
} |
|
|
|
/** |
|
* Determine if a widget is rendered on the page. |
|
* |
|
* @since 4.0.0 |
|
* |
|
* @param string $widget_id Widget ID to check. |
|
* @return bool Whether the widget is rendered. |
|
*/ |
|
public function is_widget_rendered( $widget_id ) { |
|
return in_array( $widget_id, $this->rendered_widgets ); |
|
} |
|
|
|
/** |
|
* Determines if a sidebar is rendered on the page. |
|
* |
|
* @since 4.0.0 |
|
* |
|
* @param string $sidebar_id Sidebar ID to check. |
|
* @return bool Whether the sidebar is rendered. |
|
*/ |
|
public function is_sidebar_rendered( $sidebar_id ) { |
|
return in_array( $sidebar_id, $this->rendered_sidebars ); |
|
} |
|
|
|
/** |
|
* Tallies the sidebars rendered via is_active_sidebar(). |
|
* |
|
* Keep track of the times that is_active_sidebar() is called in the template, |
|
* and assume that this means that the sidebar would be rendered on the template |
|
* if there were widgets populating it. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param bool $is_active Whether the sidebar is active. |
|
* @param string $sidebar_id Sidebar ID. |
|
* @return bool Whether the sidebar is active. |
|
*/ |
|
public function tally_sidebars_via_is_active_sidebar_calls( $is_active, $sidebar_id ) { |
|
if ( is_registered_sidebar( $sidebar_id ) ) { |
|
$this->rendered_sidebars[] = $sidebar_id; |
|
} |
|
/* |
|
* We may need to force this to true, and also force-true the value |
|
* for 'dynamic_sidebar_has_widgets' if we want to ensure that there |
|
* is an area to drop widgets into, if the sidebar is empty. |
|
*/ |
|
return $is_active; |
|
} |
|
|
|
/** |
|
* Tallies the sidebars rendered via dynamic_sidebar(). |
|
* |
|
* Keep track of the times that dynamic_sidebar() is called in the template, |
|
* and assume this means the sidebar would be rendered on the template if |
|
* there were widgets populating it. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param bool $has_widgets Whether the current sidebar has widgets. |
|
* @param string $sidebar_id Sidebar ID. |
|
* @return bool Whether the current sidebar has widgets. |
|
*/ |
|
public function tally_sidebars_via_dynamic_sidebar_calls( $has_widgets, $sidebar_id ) { |
|
if ( is_registered_sidebar( $sidebar_id ) ) { |
|
$this->rendered_sidebars[] = $sidebar_id; |
|
} |
|
|
|
/* |
|
* We may need to force this to true, and also force-true the value |
|
* for 'is_active_sidebar' if we want to ensure there is an area to |
|
* drop widgets into, if the sidebar is empty. |
|
*/ |
|
return $has_widgets; |
|
} |
|
|
|
/** |
|
* Retrieves MAC for a serialized widget instance string. |
|
* |
|
* Allows values posted back from JS to be rejected if any tampering of the |
|
* data has occurred. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param string $serialized_instance Widget instance. |
|
* @return string MAC for serialized widget instance. |
|
*/ |
|
protected function get_instance_hash_key( $serialized_instance ) { |
|
return wp_hash( $serialized_instance ); |
|
} |
|
|
|
/** |
|
* Sanitizes a widget instance. |
|
* |
|
* Unserialize the JS-instance for storing in the options. It's important that this filter |
|
* only get applied to an instance *once*. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param array $value Widget instance to sanitize. |
|
* @return array|void Sanitized widget instance. |
|
*/ |
|
public function sanitize_widget_instance( $value ) { |
|
if ( $value === array() ) { |
|
return $value; |
|
} |
|
|
|
if ( empty( $value['is_widget_customizer_js_value'] ) |
|
|| empty( $value['instance_hash_key'] ) |
|
|| empty( $value['encoded_serialized_instance'] ) ) { |
|
return; |
|
} |
|
|
|
$decoded = base64_decode( $value['encoded_serialized_instance'], true ); |
|
if ( false === $decoded ) { |
|
return; |
|
} |
|
|
|
if ( ! hash_equals( $this->get_instance_hash_key( $decoded ), $value['instance_hash_key'] ) ) { |
|
return; |
|
} |
|
|
|
$instance = unserialize( $decoded ); |
|
if ( false === $instance ) { |
|
return; |
|
} |
|
|
|
return $instance; |
|
} |
|
|
|
/** |
|
* Converts a widget instance into JSON-representable format. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param array $value Widget instance to convert to JSON. |
|
* @return array JSON-converted widget instance. |
|
*/ |
|
public function sanitize_widget_js_instance( $value ) { |
|
if ( empty( $value['is_widget_customizer_js_value'] ) ) { |
|
$serialized = serialize( $value ); |
|
|
|
$value = array( |
|
'encoded_serialized_instance' => base64_encode( $serialized ), |
|
'title' => empty( $value['title'] ) ? '' : $value['title'], |
|
'is_widget_customizer_js_value' => true, |
|
'instance_hash_key' => $this->get_instance_hash_key( $serialized ), |
|
); |
|
} |
|
return $value; |
|
} |
|
|
|
/** |
|
* Strips out widget IDs for widgets which are no longer registered. |
|
* |
|
* One example where this might happen is when a plugin orphans a widget |
|
* in a sidebar upon deactivation. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @global array $wp_registered_widgets |
|
* |
|
* @param array $widget_ids List of widget IDs. |
|
* @return array Parsed list of widget IDs. |
|
*/ |
|
public function sanitize_sidebar_widgets_js_instance( $widget_ids ) { |
|
global $wp_registered_widgets; |
|
$widget_ids = array_values( array_intersect( $widget_ids, array_keys( $wp_registered_widgets ) ) ); |
|
return $widget_ids; |
|
} |
|
|
|
/** |
|
* Finds and invokes the widget update and control callbacks. |
|
* |
|
* Requires that `$_POST` be populated with the instance data. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @global array $wp_registered_widget_updates |
|
* @global array $wp_registered_widget_controls |
|
* |
|
* @param string $widget_id Widget ID. |
|
* @return WP_Error|array Array containing the updated widget information. |
|
* A WP_Error object, otherwise. |
|
*/ |
|
public function call_widget_update( $widget_id ) { |
|
global $wp_registered_widget_updates, $wp_registered_widget_controls; |
|
|
|
$setting_id = $this->get_setting_id( $widget_id ); |
|
|
|
/* |
|
* Make sure that other setting changes have previewed since this widget |
|
* may depend on them (e.g. Menus being present for Navigation Menu widget). |
|
*/ |
|
if ( ! did_action( 'customize_preview_init' ) ) { |
|
foreach ( $this->manager->settings() as $setting ) { |
|
if ( $setting->id !== $setting_id ) { |
|
$setting->preview(); |
|
} |
|
} |
|
} |
|
|
|
$this->start_capturing_option_updates(); |
|
$parsed_id = $this->parse_widget_id( $widget_id ); |
|
$option_name = 'widget_' . $parsed_id['id_base']; |
|
|
|
/* |
|
* If a previously-sanitized instance is provided, populate the input vars |
|
* with its values so that the widget update callback will read this instance |
|
*/ |
|
$added_input_vars = array(); |
|
if ( ! empty( $_POST['sanitized_widget_setting'] ) ) { |
|
$sanitized_widget_setting = json_decode( $this->get_post_value( 'sanitized_widget_setting' ), true ); |
|
if ( false === $sanitized_widget_setting ) { |
|
$this->stop_capturing_option_updates(); |
|
return new WP_Error( 'widget_setting_malformed' ); |
|
} |
|
|
|
$instance = $this->sanitize_widget_instance( $sanitized_widget_setting ); |
|
if ( is_null( $instance ) ) { |
|
$this->stop_capturing_option_updates(); |
|
return new WP_Error( 'widget_setting_unsanitized' ); |
|
} |
|
|
|
if ( ! is_null( $parsed_id['number'] ) ) { |
|
$value = array(); |
|
$value[ $parsed_id['number'] ] = $instance; |
|
$key = 'widget-' . $parsed_id['id_base']; |
|
$_REQUEST[ $key ] = wp_slash( $value ); |
|
$_POST[ $key ] = $_REQUEST[ $key ]; |
|
$added_input_vars[] = $key; |
|
} else { |
|
foreach ( $instance as $key => $value ) { |
|
$_REQUEST[ $key ] = wp_slash( $value ); |
|
$_POST[ $key ] = $_REQUEST[ $key ]; |
|
$added_input_vars[] = $key; |
|
} |
|
} |
|
} |
|
|
|
// Invoke the widget update callback. |
|
foreach ( (array) $wp_registered_widget_updates as $name => $control ) { |
|
if ( $name === $parsed_id['id_base'] && is_callable( $control['callback'] ) ) { |
|
ob_start(); |
|
call_user_func_array( $control['callback'], $control['params'] ); |
|
ob_end_clean(); |
|
break; |
|
} |
|
} |
|
|
|
// Clean up any input vars that were manually added |
|
foreach ( $added_input_vars as $key ) { |
|
unset( $_POST[ $key ] ); |
|
unset( $_REQUEST[ $key ] ); |
|
} |
|
|
|
// Make sure the expected option was updated. |
|
if ( 0 !== $this->count_captured_options() ) { |
|
if ( $this->count_captured_options() > 1 ) { |
|
$this->stop_capturing_option_updates(); |
|
return new WP_Error( 'widget_setting_too_many_options' ); |
|
} |
|
|
|
$updated_option_name = key( $this->get_captured_options() ); |
|
if ( $updated_option_name !== $option_name ) { |
|
$this->stop_capturing_option_updates(); |
|
return new WP_Error( 'widget_setting_unexpected_option' ); |
|
} |
|
} |
|
|
|
// Obtain the widget instance. |
|
$option = $this->get_captured_option( $option_name ); |
|
if ( null !== $parsed_id['number'] ) { |
|
$instance = $option[ $parsed_id['number'] ]; |
|
} else { |
|
$instance = $option; |
|
} |
|
|
|
/* |
|
* Override the incoming $_POST['customized'] for a newly-created widget's |
|
* setting with the new $instance so that the preview filter currently |
|
* in place from WP_Customize_Setting::preview() will use this value |
|
* instead of the default widget instance value (an empty array). |
|
*/ |
|
$this->manager->set_post_value( $setting_id, $this->sanitize_widget_js_instance( $instance ) ); |
|
|
|
// Obtain the widget control with the updated instance in place. |
|
ob_start(); |
|
$form = $wp_registered_widget_controls[ $widget_id ]; |
|
if ( $form ) { |
|
call_user_func_array( $form['callback'], $form['params'] ); |
|
} |
|
$form = ob_get_clean(); |
|
|
|
$this->stop_capturing_option_updates(); |
|
|
|
return compact( 'instance', 'form' ); |
|
} |
|
|
|
/** |
|
* Updates widget settings asynchronously. |
|
* |
|
* Allows the Customizer to update a widget using its form, but return the new |
|
* instance info via Ajax instead of saving it to the options table. |
|
* |
|
* Most code here copied from wp_ajax_save_widget(). |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @see wp_ajax_save_widget() |
|
*/ |
|
public function wp_ajax_update_widget() { |
|
|
|
if ( ! is_user_logged_in() ) { |
|
wp_die( 0 ); |
|
} |
|
|
|
check_ajax_referer( 'update-widget', 'nonce' ); |
|
|
|
if ( ! current_user_can( 'edit_theme_options' ) ) { |
|
wp_die( -1 ); |
|
} |
|
|
|
if ( empty( $_POST['widget-id'] ) ) { |
|
wp_send_json_error( 'missing_widget-id' ); |
|
} |
|
|
|
/** This action is documented in wp-admin/includes/ajax-actions.php */ |
|
do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
|
|
|
/** This action is documented in wp-admin/includes/ajax-actions.php */ |
|
do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
|
|
|
/** This action is documented in wp-admin/widgets.php */ |
|
do_action( 'sidebar_admin_setup' ); |
|
|
|
$widget_id = $this->get_post_value( 'widget-id' ); |
|
$parsed_id = $this->parse_widget_id( $widget_id ); |
|
$id_base = $parsed_id['id_base']; |
|
|
|
$is_updating_widget_template = ( |
|
isset( $_POST[ 'widget-' . $id_base ] ) |
|
&& |
|
is_array( $_POST[ 'widget-' . $id_base ] ) |
|
&& |
|
preg_match( '/__i__|%i%/', key( $_POST[ 'widget-' . $id_base ] ) ) |
|
); |
|
if ( $is_updating_widget_template ) { |
|
wp_send_json_error( 'template_widget_not_updatable' ); |
|
} |
|
|
|
$updated_widget = $this->call_widget_update( $widget_id ); // => {instance,form} |
|
if ( is_wp_error( $updated_widget ) ) { |
|
wp_send_json_error( $updated_widget->get_error_code() ); |
|
} |
|
|
|
$form = $updated_widget['form']; |
|
$instance = $this->sanitize_widget_js_instance( $updated_widget['instance'] ); |
|
|
|
wp_send_json_success( compact( 'form', 'instance' ) ); |
|
} |
|
|
|
/* |
|
* Selective Refresh Methods |
|
*/ |
|
|
|
/** |
|
* Filters arguments for dynamic widget partials. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param array|false $partial_args Partial arguments. |
|
* @param string $partial_id Partial ID. |
|
* @return array (Maybe) modified partial arguments. |
|
*/ |
|
public function customize_dynamic_partial_args( $partial_args, $partial_id ) { |
|
if ( ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) { |
|
return $partial_args; |
|
} |
|
|
|
if ( preg_match( '/^widget\[(?P<widget_id>.+)\]$/', $partial_id, $matches ) ) { |
|
if ( false === $partial_args ) { |
|
$partial_args = array(); |
|
} |
|
$partial_args = array_merge( |
|
$partial_args, |
|
array( |
|
'type' => 'widget', |
|
'render_callback' => array( $this, 'render_widget_partial' ), |
|
'container_inclusive' => true, |
|
'settings' => array( $this->get_setting_id( $matches['widget_id'] ) ), |
|
'capability' => 'edit_theme_options', |
|
) |
|
); |
|
} |
|
|
|
return $partial_args; |
|
} |
|
|
|
/** |
|
* Adds hooks for selective refresh. |
|
* |
|
* @since 4.5.0 |
|
*/ |
|
public function selective_refresh_init() { |
|
if ( ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) { |
|
return; |
|
} |
|
add_filter( 'dynamic_sidebar_params', array( $this, 'filter_dynamic_sidebar_params' ) ); |
|
add_filter( 'wp_kses_allowed_html', array( $this, 'filter_wp_kses_allowed_data_attributes' ) ); |
|
add_action( 'dynamic_sidebar_before', array( $this, 'start_dynamic_sidebar' ) ); |
|
add_action( 'dynamic_sidebar_after', array( $this, 'end_dynamic_sidebar' ) ); |
|
} |
|
|
|
/** |
|
* Inject selective refresh data attributes into widget container elements. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param array $params { |
|
* Dynamic sidebar params. |
|
* |
|
* @type array $args Sidebar args. |
|
* @type array $widget_args Widget args. |
|
* } |
|
* @see WP_Customize_Nav_Menus::filter_wp_nav_menu_args() |
|
* |
|
* @return array Params. |
|
*/ |
|
public function filter_dynamic_sidebar_params( $params ) { |
|
$sidebar_args = array_merge( |
|
array( |
|
'before_widget' => '', |
|
'after_widget' => '', |
|
), |
|
$params[0] |
|
); |
|
|
|
// Skip widgets not in a registered sidebar or ones which lack a proper wrapper element to attach the data-* attributes to. |
|
$matches = array(); |
|
$is_valid = ( |
|
isset( $sidebar_args['id'] ) |
|
&& |
|
is_registered_sidebar( $sidebar_args['id'] ) |
|
&& |
|
( isset( $this->current_dynamic_sidebar_id_stack[0] ) && $this->current_dynamic_sidebar_id_stack[0] === $sidebar_args['id'] ) |
|
&& |
|
preg_match( '#^<(?P<tag_name>\w+)#', $sidebar_args['before_widget'], $matches ) |
|
); |
|
if ( ! $is_valid ) { |
|
return $params; |
|
} |
|
$this->before_widget_tags_seen[ $matches['tag_name'] ] = true; |
|
|
|
$context = array( |
|
'sidebar_id' => $sidebar_args['id'], |
|
); |
|
if ( isset( $this->context_sidebar_instance_number ) ) { |
|
$context['sidebar_instance_number'] = $this->context_sidebar_instance_number; |
|
} elseif ( isset( $sidebar_args['id'] ) && isset( $this->sidebar_instance_count[ $sidebar_args['id'] ] ) ) { |
|
$context['sidebar_instance_number'] = $this->sidebar_instance_count[ $sidebar_args['id'] ]; |
|
} |
|
|
|
$attributes = sprintf( ' data-customize-partial-id="%s"', esc_attr( 'widget[' . $sidebar_args['widget_id'] . ']' ) ); |
|
$attributes .= ' data-customize-partial-type="widget"'; |
|
$attributes .= sprintf( ' data-customize-partial-placement-context="%s"', esc_attr( wp_json_encode( $context ) ) ); |
|
$attributes .= sprintf( ' data-customize-widget-id="%s"', esc_attr( $sidebar_args['widget_id'] ) ); |
|
$sidebar_args['before_widget'] = preg_replace( '#^(<\w+)#', '$1 ' . $attributes, $sidebar_args['before_widget'] ); |
|
|
|
$params[0] = $sidebar_args; |
|
return $params; |
|
} |
|
|
|
/** |
|
* List of the tag names seen for before_widget strings. |
|
* |
|
* This is used in the {@see 'filter_wp_kses_allowed_html'} filter to ensure that the |
|
* data-* attributes can be whitelisted. |
|
* |
|
* @since 4.5.0 |
|
* @var array |
|
*/ |
|
protected $before_widget_tags_seen = array(); |
|
|
|
/** |
|
* Ensures the HTML data-* attributes for selective refresh are allowed by kses. |
|
* |
|
* This is needed in case the `$before_widget` is run through wp_kses() when printed. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param array $allowed_html Allowed HTML. |
|
* @return array (Maybe) modified allowed HTML. |
|
*/ |
|
public function filter_wp_kses_allowed_data_attributes( $allowed_html ) { |
|
foreach ( array_keys( $this->before_widget_tags_seen ) as $tag_name ) { |
|
if ( ! isset( $allowed_html[ $tag_name ] ) ) { |
|
$allowed_html[ $tag_name ] = array(); |
|
} |
|
$allowed_html[ $tag_name ] = array_merge( |
|
$allowed_html[ $tag_name ], |
|
array_fill_keys( |
|
array( |
|
'data-customize-partial-id', |
|
'data-customize-partial-type', |
|
'data-customize-partial-placement-context', |
|
'data-customize-partial-widget-id', |
|
'data-customize-partial-options', |
|
), |
|
true |
|
) |
|
); |
|
} |
|
return $allowed_html; |
|
} |
|
|
|
/** |
|
* Keep track of the number of times that dynamic_sidebar() was called for a given sidebar index. |
|
* |
|
* This helps facilitate the uncommon scenario where a single sidebar is rendered multiple times on a template. |
|
* |
|
* @since 4.5.0 |
|
* @var array |
|
*/ |
|
protected $sidebar_instance_count = array(); |
|
|
|
/** |
|
* The current request's sidebar_instance_number context. |
|
* |
|
* @since 4.5.0 |
|
* @var int|null |
|
*/ |
|
protected $context_sidebar_instance_number; |
|
|
|
/** |
|
* Current sidebar ID being rendered. |
|
* |
|
* @since 4.5.0 |
|
* @var array |
|
*/ |
|
protected $current_dynamic_sidebar_id_stack = array(); |
|
|
|
/** |
|
* Begins keeping track of the current sidebar being rendered. |
|
* |
|
* Insert marker before widgets are rendered in a dynamic sidebar. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param int|string $index Index, name, or ID of the dynamic sidebar. |
|
*/ |
|
public function start_dynamic_sidebar( $index ) { |
|
array_unshift( $this->current_dynamic_sidebar_id_stack, $index ); |
|
if ( ! isset( $this->sidebar_instance_count[ $index ] ) ) { |
|
$this->sidebar_instance_count[ $index ] = 0; |
|
} |
|
$this->sidebar_instance_count[ $index ] += 1; |
|
if ( ! $this->manager->selective_refresh->is_render_partials_request() ) { |
|
printf( "\n<!--dynamic_sidebar_before:%s:%d-->\n", esc_html( $index ), intval( $this->sidebar_instance_count[ $index ] ) ); |
|
} |
|
} |
|
|
|
/** |
|
* Finishes keeping track of the current sidebar being rendered. |
|
* |
|
* Inserts a marker after widgets are rendered in a dynamic sidebar. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param int|string $index Index, name, or ID of the dynamic sidebar. |
|
*/ |
|
public function end_dynamic_sidebar( $index ) { |
|
array_shift( $this->current_dynamic_sidebar_id_stack ); |
|
if ( ! $this->manager->selective_refresh->is_render_partials_request() ) { |
|
printf( "\n<!--dynamic_sidebar_after:%s:%d-->\n", esc_html( $index ), intval( $this->sidebar_instance_count[ $index ] ) ); |
|
} |
|
} |
|
|
|
/** |
|
* Current sidebar being rendered. |
|
* |
|
* @since 4.5.0 |
|
* @var string|null |
|
*/ |
|
protected $rendering_widget_id; |
|
|
|
/** |
|
* Current widget being rendered. |
|
* |
|
* @since 4.5.0 |
|
* @var string|null |
|
*/ |
|
protected $rendering_sidebar_id; |
|
|
|
/** |
|
* Filters sidebars_widgets to ensure the currently-rendered widget is the only widget in the current sidebar. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param array $sidebars_widgets Sidebars widgets. |
|
* @return array Filtered sidebars widgets. |
|
*/ |
|
public function filter_sidebars_widgets_for_rendering_widget( $sidebars_widgets ) { |
|
$sidebars_widgets[ $this->rendering_sidebar_id ] = array( $this->rendering_widget_id ); |
|
return $sidebars_widgets; |
|
} |
|
|
|
/** |
|
* Renders a specific widget using the supplied sidebar arguments. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @see dynamic_sidebar() |
|
* |
|
* @param WP_Customize_Partial $partial Partial. |
|
* @param array $context { |
|
* Sidebar args supplied as container context. |
|
* |
|
* @type string $sidebar_id ID for sidebar for widget to render into. |
|
* @type int $sidebar_instance_number Disambiguating instance number. |
|
* } |
|
* @return string|false |
|
*/ |
|
public function render_widget_partial( $partial, $context ) { |
|
$id_data = $partial->id_data(); |
|
$widget_id = array_shift( $id_data['keys'] ); |
|
|
|
if ( ! is_array( $context ) |
|
|| empty( $context['sidebar_id'] ) |
|
|| ! is_registered_sidebar( $context['sidebar_id'] ) |
|
) { |
|
return false; |
|
} |
|
|
|
$this->rendering_sidebar_id = $context['sidebar_id']; |
|
|
|
if ( isset( $context['sidebar_instance_number'] ) ) { |
|
$this->context_sidebar_instance_number = intval( $context['sidebar_instance_number'] ); |
|
} |
|
|
|
// Filter sidebars_widgets so that only the queried widget is in the sidebar. |
|
$this->rendering_widget_id = $widget_id; |
|
|
|
$filter_callback = array( $this, 'filter_sidebars_widgets_for_rendering_widget' ); |
|
add_filter( 'sidebars_widgets', $filter_callback, 1000 ); |
|
|
|
// Render the widget. |
|
ob_start(); |
|
$this->rendering_sidebar_id = $context['sidebar_id']; |
|
dynamic_sidebar( $this->rendering_sidebar_id ); |
|
$container = ob_get_clean(); |
|
|
|
// Reset variables for next partial render. |
|
remove_filter( 'sidebars_widgets', $filter_callback, 1000 ); |
|
|
|
$this->context_sidebar_instance_number = null; |
|
$this->rendering_sidebar_id = null; |
|
$this->rendering_widget_id = null; |
|
|
|
return $container; |
|
} |
|
|
|
// |
|
// Option Update Capturing |
|
// |
|
|
|
/** |
|
* List of captured widget option updates. |
|
* |
|
* @since 3.9.0 |
|
* @var array $_captured_options Values updated while option capture is happening. |
|
*/ |
|
protected $_captured_options = array(); |
|
|
|
/** |
|
* Whether option capture is currently happening. |
|
* |
|
* @since 3.9.0 |
|
* @var bool $_is_current Whether option capture is currently happening or not. |
|
*/ |
|
protected $_is_capturing_option_updates = false; |
|
|
|
/** |
|
* Determines whether the captured option update should be ignored. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param string $option_name Option name. |
|
* @return bool Whether the option capture is ignored. |
|
*/ |
|
protected function is_option_capture_ignored( $option_name ) { |
|
return ( 0 === strpos( $option_name, '_transient_' ) ); |
|
} |
|
|
|
/** |
|
* Retrieves captured widget option updates. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @return array Array of captured options. |
|
*/ |
|
protected function get_captured_options() { |
|
return $this->_captured_options; |
|
} |
|
|
|
/** |
|
* Retrieves the option that was captured from being saved. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @param string $option_name Option name. |
|
* @param mixed $default Optional. Default value to return if the option does not exist. Default false. |
|
* @return mixed Value set for the option. |
|
*/ |
|
protected function get_captured_option( $option_name, $default = false ) { |
|
if ( array_key_exists( $option_name, $this->_captured_options ) ) { |
|
$value = $this->_captured_options[ $option_name ]; |
|
} else { |
|
$value = $default; |
|
} |
|
return $value; |
|
} |
|
|
|
/** |
|
* Retrieves the number of captured widget option updates. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @return int Number of updated options. |
|
*/ |
|
protected function count_captured_options() { |
|
return count( $this->_captured_options ); |
|
} |
|
|
|
/** |
|
* Begins keeping track of changes to widget options, caching new values. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
protected function start_capturing_option_updates() { |
|
if ( $this->_is_capturing_option_updates ) { |
|
return; |
|
} |
|
|
|
$this->_is_capturing_option_updates = true; |
|
|
|
add_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10, 3 ); |
|
} |
|
|
|
/** |
|
* Pre-filters captured option values before updating. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param mixed $new_value The new option value. |
|
* @param string $option_name Name of the option. |
|
* @param mixed $old_value The old option value. |
|
* @return mixed Filtered option value. |
|
*/ |
|
public function capture_filter_pre_update_option( $new_value, $option_name, $old_value ) { |
|
if ( $this->is_option_capture_ignored( $option_name ) ) { |
|
return $new_value; |
|
} |
|
|
|
if ( ! isset( $this->_captured_options[ $option_name ] ) ) { |
|
add_filter( "pre_option_{$option_name}", array( $this, 'capture_filter_pre_get_option' ) ); |
|
} |
|
|
|
$this->_captured_options[ $option_name ] = $new_value; |
|
|
|
return $old_value; |
|
} |
|
|
|
/** |
|
* Pre-filters captured option values before retrieving. |
|
* |
|
* @since 3.9.0 |
|
* |
|
* @param mixed $value Value to return instead of the option value. |
|
* @return mixed Filtered option value. |
|
*/ |
|
public function capture_filter_pre_get_option( $value ) { |
|
$option_name = preg_replace( '/^pre_option_/', '', current_filter() ); |
|
|
|
if ( isset( $this->_captured_options[ $option_name ] ) ) { |
|
$value = $this->_captured_options[ $option_name ]; |
|
|
|
/** This filter is documented in wp-includes/option.php */ |
|
$value = apply_filters( 'option_' . $option_name, $value, $option_name ); |
|
} |
|
|
|
return $value; |
|
} |
|
|
|
/** |
|
* Undoes any changes to the options since options capture began. |
|
* |
|
* @since 3.9.0 |
|
*/ |
|
protected function stop_capturing_option_updates() { |
|
if ( ! $this->_is_capturing_option_updates ) { |
|
return; |
|
} |
|
|
|
remove_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10 ); |
|
|
|
foreach ( array_keys( $this->_captured_options ) as $option_name ) { |
|
remove_filter( "pre_option_{$option_name}", array( $this, 'capture_filter_pre_get_option' ) ); |
|
} |
|
|
|
$this->_captured_options = array(); |
|
$this->_is_capturing_option_updates = false; |
|
} |
|
|
|
/** |
|
* {@internal Missing Summary} |
|
* |
|
* See the {@see 'customize_dynamic_setting_args'} filter. |
|
* |
|
* @since 3.9.0 |
|
* @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter. |
|
*/ |
|
public function setup_widget_addition_previews() { |
|
_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' ); |
|
} |
|
|
|
/** |
|
* {@internal Missing Summary} |
|
* |
|
* See the {@see 'customize_dynamic_setting_args'} filter. |
|
* |
|
* @since 3.9.0 |
|
* @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter. |
|
*/ |
|
public function prepreview_added_sidebars_widgets() { |
|
_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' ); |
|
} |
|
|
|
/** |
|
* {@internal Missing Summary} |
|
* |
|
* See the {@see 'customize_dynamic_setting_args'} filter. |
|
* |
|
* @since 3.9.0 |
|
* @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter. |
|
*/ |
|
public function prepreview_added_widget_instance() { |
|
_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' ); |
|
} |
|
|
|
/** |
|
* {@internal Missing Summary} |
|
* |
|
* See the {@see 'customize_dynamic_setting_args'} filter. |
|
* |
|
* @since 3.9.0 |
|
* @deprecated 4.2.0 Deprecated in favor of the {@see 'customize_dynamic_setting_args'} filter. |
|
*/ |
|
public function remove_prepreview_filters() { |
|
_deprecated_function( __METHOD__, '4.2.0', 'customize_dynamic_setting_args' ); |
|
} |
|
}
|
|
|