/**
* Customize Setting Class.
*
+ * Handles saving and sanitizing of settings.
+ *
* @package WordPress
* @subpackage Customize
* @since 3.4.0
*/
class WP_Customize_Setting {
+ /**
+ * @access public
+ * @var WP_Customize_Manager
+ */
public $manager;
+
+ /**
+ * @access public
+ * @var string
+ */
public $id;
- public $type = 'theme_mod';
- public $capability = 'edit_theme_options';
+ /**
+ * @access public
+ * @var string
+ */
+ public $type = 'theme_mod';
+
+ /**
+ * Capability required to edit this setting.
+ *
+ * @var string
+ */
+ public $capability = 'edit_theme_options';
+
+ /**
+ * Feature a theme is required to support to enable this setting.
+ *
+ * @access public
+ * @var string
+ */
public $theme_supports = '';
public $default = '';
public $transport = 'refresh';
+ /**
+ * Server-side sanitization callback for the setting's value.
+ *
+ * @var callback
+ */
public $sanitize_callback = '';
public $sanitize_js_callback = '';
protected $id_data = array();
- private $_post_value; // Cached, sanitized $_POST value.
+
+ /**
+ * Cached and sanitized $_POST value for the setting.
+ *
+ * @access private
+ * @var mixed
+ */
+ private $_post_value;
/**
* Constructor.
*
+ * Any supplied $args override class property defaults.
+ *
* @since 3.4.0
*
* @param WP_Customize_Manager $manager
- * @param string $id An specific ID of the setting. Can be a
- * theme mod or option name.
- * @param array $args Setting arguments.
- * @return WP_Customize_Setting
+ * @param string $id An specific ID of the setting. Can be a
+ * theme mod or option name.
+ * @param array $args Setting arguments.
+ * @return WP_Customize_Setting $setting
*/
- function __construct( $manager, $id, $args = array() ) {
- $keys = array_keys( get_class_vars( __CLASS__ ) );
+ public function __construct( $manager, $id, $args = array() ) {
+ $keys = array_keys( get_object_vars( $this ) );
foreach ( $keys as $key ) {
if ( isset( $args[ $key ] ) )
$this->$key = $args[ $key ];
return $this;
}
+ protected $_original_value;
+
/**
* Handle previewing the setting.
*
* @since 3.4.0
*/
public function preview() {
+ if ( ! isset( $this->_original_value ) ) {
+ $this->_original_value = $this->value();
+ }
+
switch( $this->type ) {
case 'theme_mod' :
add_filter( 'theme_mod_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
}
break;
default :
- do_action( 'customize_preview_' . $this->id );
+
+ /**
+ * Fires when the {@see WP_Customize_Setting::preview()} method is called for settings
+ * not handled as theme_mods or options.
+ *
+ * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
+ *
+ * @since 3.4.0
+ *
+ * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance.
+ */
+ do_action( "customize_preview_{$this->id}", $this );
+
+ /**
+ * Fires when the {@see WP_Customize_Setting::preview()} method is called for settings
+ * not handled as theme_mods or options.
+ *
+ * The dynamic portion of the hook name, `$this->type`, refers to the setting type.
+ *
+ * @since 4.1.0
+ *
+ * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance.
+ */
+ do_action( "customize_preview_{$this->type}", $this );
}
}
* @return mixed New or old value.
*/
public function _preview_filter( $original ) {
- return $this->multidimensional_replace( $original, $this->id_data[ 'keys' ], $this->post_value() );
+ $undefined = new stdClass(); // symbol hack
+ $post_value = $this->manager->post_value( $this, $undefined );
+ if ( $undefined === $post_value ) {
+ $value = $this->_original_value;
+ } else {
+ $value = $post_value;
+ }
+
+ return $this->multidimensional_replace( $original, $this->id_data['keys'], $value );
}
/**
- * Set the value of the parameter for a specific theme.
+ * Check user capabilities and theme supports, and then save
+ * the value of the setting.
*
* @since 3.4.0
*
- * @return bool False if cap check fails or value isn't set.
+ * @return false|null False if cap check fails or value isn't set.
*/
public final function save() {
$value = $this->post_value();
if ( ! $this->check_capabilities() || ! isset( $value ) )
return false;
- do_action( 'customize_save_' . $this->id_data[ 'base' ] );
+ /**
+ * Fires when the WP_Customize_Setting::save() method is called.
+ *
+ * The dynamic portion of the hook name, `$this->id_data['base']` refers to
+ * the base slug of the setting name.
+ *
+ * @since 3.4.0
+ *
+ * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance.
+ */
+ do_action( 'customize_save_' . $this->id_data[ 'base' ], $this );
$this->update( $value );
}
/**
- * Fetches, validates, and sanitizes the $_POST value.
+ * Fetch and sanitize the $_POST value for the setting.
*
* @since 3.4.0
*
* @return mixed The default value on failure, otherwise the sanitized value.
*/
public final function post_value( $default = null ) {
+ // Check for a cached value
if ( isset( $this->_post_value ) )
return $this->_post_value;
+ // Call the manager for the post value
$result = $this->manager->post_value( $this );
if ( isset( $result ) )
*/
public function sanitize( $value ) {
$value = wp_unslash( $value );
+
+ /**
+ * Filter a Customize setting value in un-slashed form.
+ *
+ * @since 3.4.0
+ *
+ * @param mixed $value Value of the setting.
+ * @param WP_Customize_Setting $this WP_Customize_Setting instance.
+ */
return apply_filters( "customize_sanitize_{$this->id}", $value, $this );
}
/**
- * Set the value of the parameter for a specific theme.
+ * Save the value of the setting, using the related API.
*
* @since 3.4.0
*
switch( $this->type ) {
case 'theme_mod' :
return $this->_update_theme_mod( $value );
- break;
+
case 'option' :
return $this->_update_option( $value );
- break;
+
default :
- return do_action( 'customize_update_' . $this->type, $value );
+
+ /**
+ * Fires when the {@see WP_Customize_Setting::update()} method is called for settings
+ * not handled as theme_mods or options.
+ *
+ * The dynamic portion of the hook name, `$this->type`, refers to the type of setting.
+ *
+ * @since 3.4.0
+ *
+ * @param mixed $value Value of the setting.
+ * @param WP_Customize_Setting $this WP_Customize_Setting instance.
+ */
+ return do_action( 'customize_update_' . $this->type, $value, $this );
}
}
}
/**
- * Update the theme mod from the value of the parameter.
+ * Update the option from the value of the setting.
*
* @since 3.4.0
*
* @param mixed $value The value to update.
- * @return mixed The result of saving the value.
+ * @return bool|null The result of saving the value.
*/
protected function _update_option( $value ) {
// Handle non-array option.
}
/**
- * Fetch the value of the parameter for a specific theme.
+ * Fetch the value of the setting.
*
* @since 3.4.0
*
- * @return mixed The requested value.
+ * @return mixed The value.
*/
public function value() {
+ // Get the callback that corresponds to the setting type.
switch( $this->type ) {
case 'theme_mod' :
$function = 'get_theme_mod';
$function = 'get_option';
break;
default :
+
+ /**
+ * Filter a Customize setting value not handled as a theme_mod or option.
+ *
+ * The dynamic portion of the hook name, `$this->id_date['base']`, refers to
+ * the base slug of the setting name.
+ *
+ * For settings handled as theme_mods or options, see those corresponding
+ * functions for available hooks.
+ *
+ * @since 3.4.0
+ *
+ * @param mixed $default The setting default value. Default empty.
+ */
return apply_filters( 'customize_value_' . $this->id_data[ 'base' ], $this->default );
}
}
/**
- * Escape the parameter's value for use in JavaScript.
+ * Sanitize the setting's value for use in JavaScript.
*
* @since 3.4.0
*
* @return mixed The requested escaped value.
*/
public function js_value() {
+
+ /**
+ * Filter a Customize setting value for use in JavaScript.
+ *
+ * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
+ *
+ * @since 3.4.0
+ *
+ * @param mixed $value The setting value.
+ * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance.
+ */
$value = apply_filters( "customize_sanitize_js_{$this->id}", $this->value(), $this );
if ( is_string( $value ) )
}
/**
- * Check if the theme supports the setting and check user capabilities.
+ * Validate user capabilities whether the theme supports the setting.
*
* @since 3.4.0
*
$node = &$node[ $key ];
}
- if ( $create && ! isset( $node[ $last ] ) )
- $node[ $last ] = array();
+ if ( $create ) {
+ if ( ! is_array( $node ) ) {
+ // account for an array overriding a string or object value
+ $node = array();
+ }
+ if ( ! isset( $node[ $last ] ) ) {
+ $node[ $last ] = array();
+ }
+ }
if ( ! isset( $node[ $last ] ) )
return;
*
* @param $root
* @param $keys
- * @param $default A default value which is used as a fallback. Default is null.
+ * @param mixed $default A default value which is used as a fallback. Default is null.
* @return mixed The requested value or the default value.
*/
final protected function multidimensional_get( $root, $keys, $default = null ) {
}
/**
+ * Class WP_Customize_Background_Image_Setting
+ *
* @package WordPress
* @subpackage Customize
* @since 3.4.0
/**
* @since 3.4.0
- * @uses remove_theme_mod()
*
* @param $value
*/
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