$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;
$this->sections = array(); // Users cannot customize the $sections array.
}
/**
* Check whether panel is active to current Customizer preview.
*
* @since 4.1.0
*
* @return bool Whether the panel is active to the current preview.
*/
final public function active() {
$panel = $this;
$active = call_user_func( $this->active_callback, $this );
/**
* Filters response of WP_Customize_Panel::active().
*
* @since 4.1.0
*
* @param bool $active Whether the Customizer panel is active.
* @param WP_Customize_Panel $panel WP_Customize_Panel instance.
*/
$active = apply_filters( 'customize_panel_active', $active, $panel );
return $active;
}
/**
* Default callback used when invoking WP_Customize_Panel::active().
*
* Subclasses can override this with their specific logic, or they may
* provide an 'active_callback' argument to the constructor.
*
* @since 4.1.0
*
* @return bool Always true.
*/
public function active_callback() {
return true;
}
/**
* Gather the parameters passed to client JavaScript via JSON.
*
* @since 4.1.0
*
* @return array The array to be exported to the client as JSON.
*/
public function json() {
$array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'type' ) );
$array['title'] = html_entity_decode( $this->title, ENT_QUOTES, get_bloginfo( 'charset' ) );
$array['content'] = $this->get_content();
$array['active'] = $this->active();
$array['instanceNumber'] = $this->instance_number;
$array['autoExpandSoleSection'] = $this->auto_expand_sole_section;
return $array;
}
/**
* Checks required user capabilities and whether the theme has the
* feature support required by the panel.
*
* @since 4.0.0
*
* @return bool False if theme doesn't support the panel or the user doesn't have the capability.
*/
final public function check_capabilities() {
if ( $this->capability && ! current_user_can( $this->capability ) ) {
return false;
}
if ( $this->theme_supports && ! current_theme_supports( ... (array) $this->theme_supports ) ) {
return false;
}
return true;
}
/**
* Get the panel's content template for insertion into the Customizer pane.
*
* @since 4.1.0
*
* @return string Content for the panel.
*/
final public function get_content() {
ob_start();
$this->maybe_render();
return trim( ob_get_clean() );
}
/**
* Check capabilities and render the panel.
*
* @since 4.0.0
*/
final public function maybe_render() {
if ( ! $this->check_capabilities() ) {
return;
}
/**
* Fires before rendering a Customizer panel.
*
* @since 4.0.0
*
* @param WP_Customize_Panel $this WP_Customize_Panel instance.
*/
do_action( 'customize_render_panel', $this );
/**
* Fires before rendering a specific Customizer panel.
*
* The dynamic portion of the hook name, `$this->id`, refers to
* the ID of the specific Customizer panel to be rendered.
*
* @since 4.0.0
*/
do_action( "customize_render_panel_{$this->id}" );
$this->render();
}
/**
* Render the panel container, and then its contents (via `this->render_content()`) in a subclass.
*
* Panel containers are now rendered in JS by default, see WP_Customize_Panel::print_template().
*
* @since 4.0.0
*/
protected function render() {}
/**
* Render the panel UI in a subclass.
*
* Panel contents are now rendered in JS by default, see WP_Customize_Panel::print_template().
*
* @since 4.1.0
*/
protected function render_content() {}
/**
* Render the panel's JS templates.
*
* This function is only run for panel types that have been registered with
* WP_Customize_Manager::register_panel_type().
*
* @since 4.3.0
*
* @see WP_Customize_Manager::register_panel_type()
*/
public function print_template() {
?>