WC_Settings_Page{}abstractWC 1.0

WC_Settings_Page.

Usage

$WC_Settings_Page = new WC_Settings_Page();
// use class methods

Methods

  1. public __construct()
  2. public get_id()
  3. public get_label()
  4. public add_settings_slot()
  5. public add_settings_page( $pages )
  6. public add_settings_page_data( $pages )
  7. public get_custom_view( $action, $section_id = false )
  8. public get_custom_type_field( $action, $setting )
  9. public get_settings()
  10. public get_settings_for_section( $section_id )
  11. public get_sections()
  12. public output_sections()
  13. public output()
  14. public save()
  15. protected get_section_settings_data( $section_id, $sections )
  16. protected populate_setting_value( $section_setting )
  17. protected get_settings_for_section_core( $section_id )
  18. protected get_own_sections()
  19. protected save_settings_for_current_section()
  20. protected do_update_options_action( $section_id = null )

WC_Settings_Page{} code WC 10.3.6

<?php
abstract class WC_Settings_Page {

	/**
	 * Setting page id.
	 *
	 * @var string
	 */
	protected $id = '';

	/**
	 * Setting page icon.
	 *
	 * @var string
	 */
	public $icon = 'settings';

	/**
	 * Setting field types.
	 *
	 * @var string
	 */
	const TYPE_TITLE                          = 'title';
	const TYPE_INFO                           = 'info';
	const TYPE_SECTIONEND                     = 'sectionend';
	const TYPE_TEXT                           = 'text';
	const TYPE_PASSWORD                       = 'password';
	const TYPE_DATETIME                       = 'datetime';
	const TYPE_DATETIME_LOCAL                 = 'datetime-local';
	const TYPE_DATE                           = 'date';
	const TYPE_MONTH                          = 'month';
	const TYPE_TIME                           = 'time';
	const TYPE_WEEK                           = 'week';
	const TYPE_NUMBER                         = 'number';
	const TYPE_EMAIL                          = 'email';
	const TYPE_URL                            = 'url';
	const TYPE_TEL                            = 'tel';
	const TYPE_COLOR                          = 'color';
	const TYPE_TEXTAREA                       = 'textarea';
	const TYPE_SELECT                         = 'select';
	const TYPE_MULTISELECT                    = 'multiselect';
	const TYPE_RADIO                          = 'radio';
	const TYPE_CHECKBOX                       = 'checkbox';
	const TYPE_IMAGE_WIDTH                    = 'image_width';
	const TYPE_SINGLE_SELECT_PAGE             = 'single_select_page';
	const TYPE_SINGLE_SELECT_PAGE_WITH_SEARCH = 'single_select_page_with_search';
	const TYPE_SINGLE_SELECT_COUNTRY          = 'single_select_country';
	const TYPE_MULTI_SELECT_COUNTRIES         = 'multi_select_countries';
	const TYPE_RELATIVE_DATE_SELECTOR         = 'relative_date_selector';
	const TYPE_SLOTFILL_PLACEHOLDER           = 'slotfill_placeholder';

	/**
	 * Settings field types which are known.
	 *
	 * @var string[]
	 */
	protected $types = array(
		self::TYPE_TITLE,
		self::TYPE_INFO,
		self::TYPE_SECTIONEND,
		self::TYPE_TEXT,
		self::TYPE_PASSWORD,
		self::TYPE_DATETIME,
		self::TYPE_DATETIME_LOCAL,
		self::TYPE_DATE,
		self::TYPE_MONTH,
		self::TYPE_TIME,
		self::TYPE_WEEK,
		self::TYPE_NUMBER,
		self::TYPE_EMAIL,
		self::TYPE_URL,
		self::TYPE_TEL,
		self::TYPE_COLOR,
		self::TYPE_TEXTAREA,
		self::TYPE_SELECT,
		self::TYPE_MULTISELECT,
		self::TYPE_RADIO,
		self::TYPE_CHECKBOX,
		self::TYPE_IMAGE_WIDTH,
		self::TYPE_SINGLE_SELECT_PAGE,
		self::TYPE_SINGLE_SELECT_PAGE_WITH_SEARCH,
		self::TYPE_SINGLE_SELECT_COUNTRY,
		self::TYPE_MULTI_SELECT_COUNTRIES,
		self::TYPE_RELATIVE_DATE_SELECTOR,
		self::TYPE_SLOTFILL_PLACEHOLDER,
	);

	/**
	 * Setting page label.
	 *
	 * @var string
	 */
	protected $label = '';

	/**
	 * Setting page is modern.
	 *
	 * @var bool
	 */
	protected $is_modern = false;

	/**
	 * Whether the output method has been called.
	 *
	 * @var bool
	 */
	private $output_called = false;

	/**
	 * Constructor.
	 */
	public function __construct() {
		add_filter( 'woocommerce_settings_tabs_array', array( $this, 'add_settings_page' ), 20 );
		add_action( 'woocommerce_sections_' . $this->id, array( $this, 'output_sections' ) );
		add_action( 'woocommerce_settings_' . $this->id, array( $this, 'output' ) );
		add_action( 'woocommerce_settings_save_' . $this->id, array( $this, 'save' ) );
		add_action( 'woocommerce_admin_field_add_settings_slot', array( $this, 'add_settings_slot' ) );
	}

	/**
	 * Get settings page ID.
	 *
	 * @since 3.0.0
	 * @return string
	 */
	public function get_id() {
		return $this->id;
	}

	/**
	 * Get settings page label.
	 *
	 * @since 3.0.0
	 * @return string
	 */
	public function get_label() {
		return $this->label;
	}

	/**
	 * Creates the React mount point for settings slot.
	 */
	public function add_settings_slot() {
		?>
		<div id="wc_settings_slotfill"> </div>
		<?php
	}

	/**
	 * Add this page to settings.
	 *
	 * @param array $pages The settings array where we'll add ourselves.
	 *
	 * @return mixed
	 */
	public function add_settings_page( $pages ) {
		$pages[ $this->id ] = $this->label;

		return $pages;
	}

	/**
	 * Get page settings data to populate the settings editor.
	 *
	 * @param array $pages The settings array where we'll add data.
	 *
	 * @return array
	 */
	public function add_settings_page_data( $pages ) {
		global $current_section;

		$saved_current_section = $current_section;
		$sections              = $this->get_sections();
		$sections_data         = array();

		// Loop through each section and get the settings for that section.
		foreach ( $sections as $section_id => $section_label ) {
			$current_section       = $section_id;
			$section_settings_data = $this->get_section_settings_data( $section_id, $sections );

			// Replace empty string section ids with 'default'.
			$normalized_section_id                   = '' === $section_id ? 'default' : $section_id;
			$sections_data[ $normalized_section_id ] = array(
				'label'    => html_entity_decode( esc_html( $section_label ) ),
				'settings' => $section_settings_data,
			);
		}

		// Reset the current section to the saved current section.
		$current_section = $saved_current_section;

		$pages[ $this->id ] = array(
			'label'     => html_entity_decode( $this->label ),
			'slug'      => $this->id,
			'icon'      => $this->icon,
			'sections'  => $sections_data,
			'is_modern' => $this->is_modern,
		);

		$pages[ $this->id ]['start'] = $this->get_custom_view( 'woocommerce_before_settings_' . $this->id );
		$pages[ $this->id ]['end']   = $this->get_custom_view( 'woocommerce_after_settings_' . $this->id );

		return $pages;
	}

	/**
	 * Get settings data for a specific section.
	 *
	 * @param string $section_id The ID of the section.
	 * @param array  $sections   All sections available.
	 * @return array Settings data for the section.
	 */
	protected function get_section_settings_data( $section_id, $sections ) {
		$section_settings_data = array();

		$custom_view = $this->get_custom_view( 'woocommerce_settings_' . $this->id, $section_id );
		// We only want to loop through the settings object if the parent class's output method is being rendered during the get_custom_view call.
		if ( $this->output_called ) {
			$section_settings = count( $sections ) > 1
				? $this->get_settings_for_section( $section_id )
				: $this->get_settings();

			// Loop through each setting in the section and add the value to the settings data.
			foreach ( $section_settings as $section_setting ) {
				// Add custom views for sectionend.
				if ( 'sectionend' === $section_setting['type'] && ! empty( $section_setting['id'] ) ) {
					$section_settings_data[] = $this->get_custom_view( 'woocommerce_settings_' . $section_setting['id'] . '_end' );
					$section_settings_data[] = $this->get_custom_view( 'woocommerce_settings_' . $section_setting['id'] . '_after' );
				}

				$section_settings_data[] = $this->populate_setting_value( $section_setting );

				// Add custom views for title.
				if ( 'title' === $section_setting['type'] && ! empty( $section_setting['id'] ) ) {
					$section_settings_data[] = $this->get_custom_view( 'woocommerce_settings_' . $section_setting['id'] );
				}
			}
		}

		// If the custom view has output, add it to the settings data.
		if ( ! empty( $custom_view ) ) {
			$section_settings_data[] = $custom_view;
		}

		// Reset the output_called property.
		$this->output_called = false;

		return $section_settings_data;
	}

	/**
	 * Populate the value for a given section setting.
	 *
	 * @param array $section_setting The setting array to populate.
	 * @return array The setting array with populated value.
	 */
	protected function populate_setting_value( $section_setting ) {
		if ( isset( $section_setting['id'] ) ) {
			$section_setting['value'] = isset( $section_setting['default'] )
				// Fallback to the default value if it exists.
				? get_option( $section_setting['id'], $section_setting['default'] )
				// Otherwise, fallback to false.
				: get_option( $section_setting['id'] );
		}

		$type = $section_setting['type'];
		if ( ! in_array( $type, $this->types, true ) ) {
			$section_setting = $this->get_custom_type_field( 'woocommerce_admin_field_' . $type, $section_setting );
		}

		return $section_setting;
	}

	/**
	 * Get the custom view given the current tab and section.
	 *
	 * @param string $action The action to call.
	 * @param string $section_id The section id.
	 * @return string The custom view. HTML output.
	 */
	public function get_custom_view( $action, $section_id = false ) {
		global $current_section;

		if ( $section_id ) {
			// Make sure the current section is set to the sectionid here. Reset it at the end of the function.
			$saved_current_section = $current_section;
			// set global current_section to the section_id.
			$current_section = $section_id;
		}

		ob_start();
		/**
		 * Output the custom view given the current tab and section by calling the action.
		 *
		 * @since 2.1.0
		 */
		do_action( $action );
		$html = ob_get_contents();
		ob_end_clean();

		// Reset the global variable.
		if ( $section_id ) {
			$current_section = $saved_current_section;
		}

		$content = trim( $html );

		if ( empty( $content ) ) {
			return null;
		}

		return array(
			'id'      => wp_unique_prefixed_id( 'settings_custom_view' ),
			'type'    => 'custom',
			'content' => $content,
		);
	}

	/**
	 * Get the custom type field by calling the action and returning the setting with the content, id, and type.
	 *
	 * @param string $action  The action to call.
	 * @param array  $setting The setting to pass to the action.
	 * @return array The setting with the content, id, and type.
	 */
	public function get_custom_type_field( $action, $setting ) {
		ob_start();
		/**
		 * Output the custom type field by calling the action.
		 *
		 * @since 3.3.0
		 */
		do_action( $action, $setting );
		$html = ob_get_contents();
		ob_end_clean();
		$setting['content'] = trim( $html );
		$setting['id']      = isset( $setting['id'] ) ? $setting['id'] : wp_unique_prefixed_id( 'settings_custom_view' );
		$setting['type']    = 'custom';

		return $setting;
	}

	/**
	 * Get settings array for the default section.
	 *
	 * External settings classes (registered via 'woocommerce_get_settings_pages' filter)
	 * might have redefined this method as "get_settings($section_id='')", thus we need
	 * to use this method internally instead of 'get_settings_for_section' to register settings
	 * and render settings pages.
	 *
	 * *But* we can't just redefine the method as "get_settings($section_id='')" here, since this
	 * will break on PHP 8 if any external setting class have it as 'get_settings()'.
	 *
	 * Thus we leave the method signature as is and use 'func_get_arg' to get the setting id
	 * if it's supplied, and we use this method internally; but it's deprecated and should
	 * otherwise never be used.
	 *
	 * @deprecated 5.4.0 Use 'get_settings_for_section' (passing an empty string for default section)
	 *
	 * @return array Settings array, each item being an associative array representing a setting.
	 */
	public function get_settings() {
		$section_id = 0 === func_num_args() ? '' : func_get_arg( 0 );
		return $this->get_settings_for_section( $section_id );
	}

	/**
	 * Get settings array.
	 *
	 * The strategy for getting the settings is as follows:
	 *
	 * - If a method named 'get_settings_for_{section_id}_section' exists in the class
	 *   it will be invoked (for the default '' section, the method name is 'get_settings_for_default_section').
	 *   Derived classes can implement these methods as required.
	 *
	 * - Otherwise, 'get_settings_for_section_core' will be invoked. Derived classes can override it
	 *   as an alternative to implementing 'get_settings_for_{section_id}_section' methods.
	 *
	 * @param string $section_id The id of the section to return settings for, an empty string for the default section.
	 *
	 * @return array Settings array, each item being an associative array representing a setting.
	 */
	final public function get_settings_for_section( $section_id ) {
		if ( '' === $section_id ) {
			$method_name = 'get_settings_for_default_section';
		} else {
			$method_name = "get_settings_for_{$section_id}_section";
		}

		if ( method_exists( $this, $method_name ) ) {
			$settings = $this->$method_name();
		} else {
			$settings = $this->get_settings_for_section_core( $section_id );
		}

		return apply_filters( 'woocommerce_get_settings_' . $this->id, $settings, $section_id );
	}

	/**
	 * Get the settings for a given section.
	 * This method is invoked from 'get_settings_for_section' when no 'get_settings_for_{current_section}_section'
	 * method exists in the class.
	 *
	 * When overriding, note that the 'woocommerce_get_settings_' filter must NOT be triggered,
	 * as this is already done by 'get_settings_for_section'.
	 *
	 * @param string $section_id The section name to get the settings for.
	 *
	 * @return array Settings array, each item being an associative array representing a setting.
	 */
	protected function get_settings_for_section_core( $section_id ) {
		return array();
	}

	/**
	 * Get all sections for this page, both the own ones and the ones defined via filters.
	 *
	 * @return array
	 */
	public function get_sections() {
		$sections = $this->get_own_sections();
		/**
		 * Filters the sections for this settings page.
		 *
		 * @since 2.2.0
		 * @param array $sections The sections for this settings page.
		 */
		return (array) apply_filters( 'woocommerce_get_sections_' . $this->id, $sections );
	}

	/**
	 * Get own sections for this page.
	 * Derived classes should override this method if they define sections.
	 * There should always be one default section with an empty string as identifier.
	 *
	 * Example:
	 * return array(
	 *   ''        => __( 'General', 'woocommerce' ),
	 *   'foobars' => __( 'Foos & Bars', 'woocommerce' ),
	 * );
	 *
	 * @return array An associative array where keys are section identifiers and the values are translated section names.
	 */
	protected function get_own_sections() {
		return array( '' => __( 'General', 'woocommerce' ) );
	}

	/**
	 * Output sections.
	 */
	public function output_sections() {
		global $current_section;

		$sections = $this->get_sections();

		if ( empty( $sections ) || 1 === count( $sections ) ) {
			return;
		}

		echo '<ul class="subsubsub">';

		$array_keys = array_keys( $sections );

		foreach ( $sections as $id => $label ) {
			$url       = admin_url( 'admin.php?page=wc-settings&tab=' . $this->id . '&section=' . sanitize_title( $id ) );
			$class     = ( $current_section === $id ? 'current' : '' );
			$separator = ( end( $array_keys ) === $id ? '' : '|' );
			$text      = esc_html( $label );
			echo "<li><a href='$url' class='$class'>$text</a> $separator </li>"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		}

		echo '</ul><br class="clear" />';
	}

	/**
	 * Output the HTML for the settings.
	 */
	public function output() {
		$this->output_called = true;

		if ( Features::is_enabled( 'settings' ) ) {
			return;
		}

		global $current_section;

		// We can't use "get_settings_for_section" here
		// for compatibility with derived classes overriding "get_settings".
		$settings = $this->get_settings( $current_section );

		WC_Admin_Settings::output_fields( $settings );
	}

	/**
	 * Save settings and trigger the 'woocommerce_update_options_'.id action.
	 */
	public function save() {
		$this->save_settings_for_current_section();
		$this->do_update_options_action();
	}

	/**
	 * Save settings for current section.
	 */
	protected function save_settings_for_current_section() {
		global $current_section;

		// We can't use "get_settings_for_section" here
		// for compatibility with derived classes overriding "get_settings".
		$settings = $this->get_settings( $current_section );
		WC_Admin_Settings::save_fields( $settings );
	}

	/**
	 * Trigger the 'woocommerce_update_options_'.id action.
	 *
	 * @param string $section_id Section to trigger the action for, or null for current section.
	 */
	protected function do_update_options_action( $section_id = null ) {
		global $current_section;

		if ( is_null( $section_id ) ) {
			$section_id = $current_section;
		}

		if ( $section_id ) {
			do_action( 'woocommerce_update_options_' . $this->id . '_' . $section_id );
		}
	}
}