/** * Customize Control class. * * @since 3.4.0 */ #[AllowDynamicProperties] class WP_Customize_Control {
/** * Incremented with each new class instantiation, then stored in $instance_number. * * Used when sorting two instances whose priorities are equal. * * @since 4.1.0 * @var int */ protected static $instance_count = 0;
/** * Order in which this instance was created in relation to other instances. * * @since 4.1.0 * @var int */ public $instance_number;
/** * Control ID. * * @since 3.4.0 * @var string */ public $id;
/** * All settings tied to the control. * * @since 3.4.0 * @var array */ public $settings;
/** * The primary setting for the control (if there is one). * * @since 3.4.0 * @var string|WP_Customize_Setting|null */ public $setting = 'default';
/** * Capability required to use this control. * * Normally this is empty and the capability is derived from the capabilities * of the associated `$settings`. * * @since 4.5.0 * @var string */ public $capability;
/** * Order priority to load the control in Customizer. * * @since 3.4.0 * @var int */ public $priority = 10;
/** * Section the control belongs to. * * @since 3.4.0 * @var string */ public $section = '';
/** * Label for the control. * * @since 3.4.0 * @var string */ public $label = '';
/** * Description for the control. * * @since 4.0.0 * @var string */ public $description = '';
/** * List of choices for 'radio' or 'select' type controls, where values are the keys, and labels are the values. * * @since 3.4.0 * @var array */ public $choices = array();
/** * List of custom input attributes for control output, where attribute names are the keys and values are the values. * * Not used for 'checkbox', 'radio', 'select', 'textarea', or 'dropdown-pages' control types. * * @since 4.0.0 * @var array */ public $input_attrs = array();
/** * Show UI for adding new content, currently only used for the dropdown-pages control. * * @since 4.7.0 * @var bool */ public $allow_addition = false;
/** * @deprecated It is better to just call the json() method * @since 3.4.0 * @var array */ public $json = array();
/** * Callback. * * @since 4.0.0 * * @see WP_Customize_Control::active() * * @var callable Callback is called with one argument, the instance of * WP_Customize_Control, and returns bool to indicate whether * the control is active (such as it relates to the URL * currently being previewed). */ public $active_callback = '';
/** * Constructor. * * Supplied `$args` override class property defaults. * * If `$args['settings']` is not defined, use the `$id` as the setting ID. * * @since 3.4.0 * * @param WP_Customize_Manager $manager Customizer bootstrap instance. * @param string $id Control ID. * @param array $args { * Optional. Array of properties for the new Control object. Default empty array. * * @type int $instance_number Order in which this instance was created in relation * to other instances. * @type WP_Customize_Manager $manager Customizer bootstrap instance. * @type string $id Control ID. * @type array $settings All settings tied to the control. If undefined, `$id` will * be used. * @type string $setting The primary setting for the control (if there is one). * Default 'default'. * @type string $capability Capability required to use this control. Normally this is empty * and the capability is derived from `$settings`. * @type int $priority Order priority to load the control. Default 10. * @type string $section Section the control belongs to. Default empty. * @type string $label Label for the control. Default empty. * @type string $description Description for the control. Default empty. * @type array $choices List of choices for 'radio' or 'select' type controls, where * values are the keys, and labels are the values. * Default empty array. * @type array $input_attrs List of custom input attributes for control output, where * attribute names are the keys and values are the values. Not * used for 'checkbox', 'radio', 'select', 'textarea', or * 'dropdown-pages' control types. Default empty array. * @type bool $allow_addition Show UI for adding new content, currently only used for the * dropdown-pages control. Default false. * @type array $json Deprecated. Use WP_Customize_Control::json() instead. * @type string $type Control type. Core controls include 'text', 'checkbox', * 'textarea', 'radio', 'select', and 'dropdown-pages'. Additional * input types such as 'email', 'url', 'number', 'hidden', and * 'date' are supported implicitly. Default 'text'. * @type callable $active_callback Active callback. * } */ 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 ]; } }
/** * Enqueue control related scripts/styles. * * @since 3.4.0 */ public function enqueue() {}
/** * Check whether control is active to current Customizer preview. * * @since 4.0.0 * * @return bool Whether the control is active to the current preview. */ final public function active() { $control = $this; $active = call_user_func( $this->active_callback, $this );
/** * Filters response of WP_Customize_Control::active(). * * @since 4.0.0 * * @param bool $active Whether the Customizer control is active. * @param WP_Customize_Control $control WP_Customize_Control instance. */ $active = apply_filters( 'customize_control_active', $active, $control );
return $active; }
/** * Default callback used when invoking WP_Customize_Control::active(). * * Subclasses can override this with their specific logic, or they may * provide an 'active_callback' argument to the constructor. * * @since 4.0.0 * * @return true Always true. */ public function active_callback() { return true; }
/** * Fetch a setting's value. * Grabs the main setting by default. * * @since 3.4.0 * * @param string $setting_key * @return mixed The requested setting's value, if the setting exists. */ final public function value( $setting_key = 'default' ) { if ( isset( $this->settings[ $setting_key ] ) ) { return $this->settings[ $setting_key ]->value(); } }
/** * Refresh the parameters passed to the JavaScript via JSON. * * @since 3.4.0 */ public function to_json() { $this->json['settings'] = array(); foreach ( $this->settings as $key => $setting ) { $this->json['settings'][ $key ] = $setting->id; }
/** * Get the data to export to the client via JSON. * * @since 4.1.0 * * @return array Array of parameters passed to the JavaScript. */ public function json() { $this->to_json(); return $this->json; }
/** * Checks if the user can use this control. * * Returns false if the user cannot manipulate one of the associated settings, * or if one of the associated settings does not exist. Also returns false if * the associated section does not exist or if its capability check returns * false. * * @since 3.4.0 * * @return bool False if theme doesn't support the control or user doesn't have the required permissions, otherwise true. */ final public function check_capabilities() { if ( ! empty( $this->capability ) && ! current_user_can( $this->capability ) ) { return false; }
foreach ( $this->settings as $setting ) { if ( ! $setting || ! $setting->check_capabilities() ) { return false; } }
/** * Get the control's content for insertion into the Customizer pane. * * @since 4.1.0 * * @return string Contents of the control. */ final public function get_content() { ob_start(); $this->maybe_render(); return trim( ob_get_clean() ); }
/** * Check capabilities and render the control. * * @since 3.4.0 * @uses WP_Customize_Control::render() */ final public function maybe_render() { if ( ! $this->check_capabilities() ) { return; }
/** * Fires just before the current Customizer control is rendered. * * @since 3.4.0 * * @param WP_Customize_Control $control WP_Customize_Control instance. */ do_action( 'customize_render_control', $this );
/** * Fires just before a specific Customizer control is rendered. * * The dynamic portion of the hook name, `$this->id`, refers to * the control ID. * * @since 3.4.0 * * @param WP_Customize_Control $control WP_Customize_Control instance. */ do_action( "customize_render_control_{$this->id}", $this );
$this->render(); }
/** * Renders the control wrapper and calls $this->render_content() for the internals. * * @since 3.4.0 */ protected function render() { $id = 'customize-control-' . str_replace( array( '[', ']' ), array( '-', '' ), $this->id ); $class = 'customize-control customize-control-' . $this->type;
/** * Get the data link attribute for a setting. * * @since 3.4.0 * @since 4.9.0 Return a `data-customize-setting-key-link` attribute if a setting is not registered for the supplied setting key. * * @param string $setting_key * @return string Data link parameter, a `data-customize-setting-link` attribute if the `$setting_key` refers to a pre-registered setting, * and a `data-customize-setting-key-link` attribute if the setting is not yet registered. */ public function get_link( $setting_key = 'default' ) { if ( isset( $this->settings[ $setting_key ] ) && $this->settings[ $setting_key ] instanceof WP_Customize_Setting ) { return 'data-customize-setting-link="' . esc_attr( $this->settings[ $setting_key ]->id ) . '"'; } else { return 'data-customize-setting-key-link="' . esc_attr( $setting_key ) . '"'; } }
/** * Render the data link attribute for the control's input element. * * @since 3.4.0 * @uses WP_Customize_Control::get_link() * * @param string $setting_key */ public function link( $setting_key = 'default' ) { echo $this->get_link( $setting_key ); }
/** * Render the custom attributes for the control's input element. * * @since 4.0.0 */ public function input_attrs() { foreach ( $this->input_attrs as $attr => $value ) { echo $attr . '="' . esc_attr( $value ) . '" '; } }
/** * Render the control's content. * * Allows the content to be overridden without having to rewrite the wrapper in `$this::render()`. * * Supports basic input types `text`, `checkbox`, `textarea`, `radio`, `select` and `dropdown-pages`. * Additional input types such as `email`, `url`, `number`, `hidden` and `date` are supported implicitly. * * Control content can alternately be rendered in JS. See WP_Customize_Control::print_template(). * * @since 3.4.0 */ protected function render_content() { $input_id = '_customize-input-' . $this->id; $description_id = '_customize-description-' . $this->id; $describedby_attr = ( ! empty( $this->description ) ) ? ' aria-describedby="' . esc_attr( $description_id ) . '" ' : ''; switch ( $this->type ) { case 'checkbox': ?> <span class="customize-inside-control-row"> <input id="<?php echo esc_attr( $input_id ); ?>" <?php echo $describedby_attr; ?> type="checkbox" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> <?php checked( $this->value() ); ?> /> <label for="<?php echo esc_attr( $input_id ); ?>"><?php echo esc_html( $this->label ); ?></label> <?php if ( ! empty( $this->description ) ) : ?> <span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description; ?></span> <?php endif; ?> </span> <?php break; case 'radio': if ( empty( $this->choices ) ) { return; }
/** * Render the control's JS template. * * This function is only run for control types that have been registered with * WP_Customize_Manager::register_control_type(). * * In the future, this will also print the template for the control's container * element and be override-able. * * @since 4.1.0 */ final public function print_template() { ?> <script type="text/html" id="tmpl-customize-control-<?php echo esc_attr( $this->type ); ?>-content"> <?php $this->content_template(); ?> </script> <?php }
/** * An Underscore (JS) template for this control's content (but not its container). * * Class variables for this control class are available in the `data` JS object; * export custom variables by overriding WP_Customize_Control::to_json(). * * @see WP_Customize_Control::print_template() * * @since 4.1.0 */ protected function content_template() {} }
/** * WP_Customize_Nav_Menu_Name_Control class. * * As this file is deprecated, it will trigger a deprecation notice if instantiated. In a subsequent * release, the require_once here will be removed and _deprecated_file() will be called if file is * required at all. * * @deprecated 4.9.0 This file is no longer used due to new menu creation UX. */ require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php';