home/xdxuekl/www/wp-includes/class-wp-customize-control.php 0000644 00000062373 15172472177 0020226 0 ustar 00 $key = $args[ $key ];
}
}
$this->manager = $manager;
$this->id = $id;
if ( empty( $this->active_callback ) ) {
$this->active_callback = array( $this, 'active_callback' );
}
self::$instance_count += 1;
$this->instance_number = self::$instance_count;
// Process settings.
if ( ! isset( $this->settings ) ) {
$this->settings = $id;
}
$settings = array();
if ( is_array( $this->settings ) ) {
foreach ( $this->settings as $key => $setting ) {
$settings[ $key ] = $this->manager->get_setting( $setting );
}
} elseif ( is_string( $this->settings ) ) {
$this->setting = $this->manager->get_setting( $this->settings );
$settings['default'] = $this->setting;
}
$this->settings = $settings;
}
/**
* Enqueues control related scripts/styles.
*
* @since 3.4.0
*/
public function enqueue() {}
/**
* Checks 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;
}
/**
* Fetches 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();
}
}
/**
* Refreshes 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;
}
$this->json['type'] = $this->type;
$this->json['priority'] = $this->priority;
$this->json['active'] = $this->active();
$this->json['section'] = $this->section;
$this->json['content'] = $this->get_content();
$this->json['label'] = $this->label;
$this->json['description'] = $this->description;
$this->json['instanceNumber'] = $this->instance_number;
if ( 'dropdown-pages' === $this->type ) {
$this->json['allow_addition'] = $this->allow_addition;
}
}
/**
* Gets 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;
}
}
$section = $this->manager->get_section( $this->section );
if ( isset( $section ) && ! $section->check_capabilities() ) {
return false;
}
return true;
}
/**
* Gets 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() );
}
/**
* Checks 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;
printf( '