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<?php |
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/** |
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* Pages: Abstract Admin Page. |
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* |
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* An abstract class meant to be extended by admin pages. |
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* |
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* @since 3.11.0 |
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* @package Wordlift |
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* @subpackage Wordlift/admin |
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*/ |
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/** |
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* Define the {@link Wordlift_Admin_Page} class. |
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* |
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* @since 3.11.0 |
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* @package Wordlift |
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* @subpackage Wordlift/admin |
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*/ |
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abstract class Wordlift_Admin_Page { |
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/** |
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* Define the {@link Wordlift_Admin_Page} constructor. |
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* |
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* @since 3.20.0 |
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*/ |
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public function __construct() { |
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add_action( 'admin_menu', array( $this, 'admin_menu' ), 10, 0 ); |
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} |
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/** |
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* Get the parent slug. |
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* |
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* @since 3.11.0 |
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* |
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* @return string The parent slug (default 'wl_admin_menu'). |
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*/ |
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protected function get_parent_slug() { |
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return 'wl_admin_menu'; |
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} |
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/** |
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* Get the required capability. |
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* |
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* @since 3.11.0 |
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* |
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* @return string The capability (default 'manage_options'). |
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*/ |
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protected function get_capability() { |
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return 'manage_options'; |
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} |
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/** |
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* Get the page title. Will be translated. |
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* |
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* @since 3.11.0 |
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* |
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* @return string The page title. |
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*/ |
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abstract function get_page_title(); |
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/** |
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* Get the menu title. Will be translated. |
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* |
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* @since 3.11.0 |
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* |
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* @return string The menu title. |
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*/ |
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abstract function get_menu_title(); |
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/** |
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* Get the menu slug. |
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* |
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* @since 3.11.0 |
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* |
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* @return string The menu slug. |
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*/ |
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abstract function get_menu_slug(); |
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/** |
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* Get the page url. |
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* |
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* @since 3.14.0 |
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* |
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* @return string The escaped url of the admin page |
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*/ |
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function get_url() { |
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// ideally should have used menu_page_url, but it is loaded later than some usages. |
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$url = admin_url( 'admin.php?page=' . $this->get_menu_slug() ); |
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return esc_url( $url ); |
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} |
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/** |
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* Get the partial file name, used in the {@link render} function. |
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* |
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* @since 3.11.0 |
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* |
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* @return string The partial file name. |
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*/ |
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abstract function get_partial_name(); |
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/** |
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* The `admin_menu` callback. Will call {@link add_submenu_page} to add the |
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* page to the admin menu. |
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* |
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* @since 3.11.0 |
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* |
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* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required. |
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*/ |
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public function admin_menu() { |
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// Add the sub-menu page. |
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// |
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// See http://codex.wordpress.org/Function_Reference/add_submenu_page |
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$page = add_submenu_page( |
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$this->get_parent_slug(), |
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$this->get_page_title(), |
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$this->get_menu_title(), |
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$this->get_capability(), // The required capability, provided by the calling hook. |
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$this->get_menu_slug(), |
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array( $this, 'render' ) |
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); |
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// Set a hook to enqueue scripts only when the settings page is displayed. |
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add_action( 'admin_print_scripts-' . $page, array( |
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$this, |
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'enqueue_scripts', |
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) ); |
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// Finally return the page hook_suffix. |
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return $page; |
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} |
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/** |
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* Enqueue scripts for the specific page. Subclasses can override this function |
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* to provide their own styles/scripts. |
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* |
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* @since 3.11.0 |
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*/ |
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public function enqueue_scripts() { |
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} |
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/** |
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* Render the page. |
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*/ |
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public function render() { |
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// Include the partial. |
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include( plugin_dir_path( __FILE__ ) . 'partials/' . $this->get_partial_name() ); |
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} |
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} |
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insideout10 /
wordlift-plugin
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.