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<?php |
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namespace BulkWP\BulkDelete\Core\Base; |
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defined( 'ABSPATH' ) || exit; // Exit if accessed directly. |
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/** |
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* Base class for all Admin Page including Bulk Delete pages and setting pages. |
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* |
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* All concrete implementation of a Bulk Delete Admin page will extend this class. |
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* |
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* @since 6.0.0 |
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*/ |
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abstract class BasePage { |
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/** |
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* Slug of Bulk WP Menu. |
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*/ |
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const BULK_WP_MENU_SLUG = 'bulk-delete-posts'; |
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/** |
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* Position in which the Bulk WP menu should appear. |
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*/ |
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const MENU_POSITION = '26'; |
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/** |
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* Path to main plugin file. |
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* |
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* @var string |
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*/ |
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protected $plugin_file; |
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/** |
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* Page Slug. |
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* @var string |
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*/ |
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protected $page_slug; |
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/** |
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* Hook Suffix of the current page. |
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* |
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* @var string |
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*/ |
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protected $hook_suffix; |
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/** |
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* Current screen. |
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* |
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* @var \WP_Screen |
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*/ |
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protected $screen; |
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/** |
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* Minimum capability needed for viewing this page. |
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* |
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* @var string |
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*/ |
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protected $capability = 'manage_options'; |
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/** |
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* Labels used in this page. |
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* |
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* @var array |
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*/ |
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protected $label = array( |
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'page_title' => '', |
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'menu_title' => '', |
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); |
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/** |
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* Messages shown to the user. |
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* |
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* @var array |
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*/ |
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protected $messages = array( |
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'warning_message' => '', |
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); |
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/** |
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* Actions used in this page. |
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* |
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* @var array |
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*/ |
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protected $actions = array(); |
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/** |
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* Should the link to this page be displayed in the plugin list. Default false. |
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* |
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* @var bool |
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*/ |
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protected $show_link_in_plugin_list = false; |
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/** |
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* Initialize and setup variables and attributes of the page. |
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* |
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* @return void |
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*/ |
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abstract protected function initialize(); |
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/** |
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* Render body content. |
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* |
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* @return void |
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*/ |
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abstract protected function render_body(); |
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/** |
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* BasePage constructor. |
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* |
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* @param string $plugin_file Path to the main plugin file. |
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*/ |
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public function __construct( $plugin_file ) { |
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$this->plugin_file = $plugin_file; |
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$this->initialize(); |
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} |
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/** |
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* Register the page. |
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* |
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* This function will be called in the `admin_menu` hook. |
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*/ |
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public function register() { |
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$this->register_page(); |
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$this->register_hooks(); |
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} |
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/** |
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* Register page as a submenu to the Bulk WP Menu. |
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*/ |
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protected function register_page() { |
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$hook_suffix = add_submenu_page( |
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$this->get_top_level_menu_slug(), |
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$this->label['page_title'], |
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$this->label['menu_title'], |
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$this->capability, |
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$this->page_slug, |
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array( $this, 'render_page' ) |
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); |
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if ( false !== $hook_suffix ) { |
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$this->hook_suffix = $hook_suffix; |
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} |
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} |
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/** |
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* Register hooks. |
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*/ |
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protected function register_hooks() { |
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add_filter( 'bd_action_nonce_check', array( $this, 'verify_nonce' ), 10, 2 ); |
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add_action( "load-{$this->hook_suffix}", array( $this, 'setup_contextual_help' ) ); |
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add_filter( 'bd_admin_help_tabs', array( $this, 'render_help_tab' ), 10, 2 ); |
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add_action( "bd_admin_footer_for_{$this->page_slug}", array( $this, 'modify_admin_footer' ) ); |
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if ( $this->show_link_in_plugin_list ) { |
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add_filter( 'bd_plugin_action_links', array( $this, 'append_to_plugin_action_links' ) ); |
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} |
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} |
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/** |
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* Check for nonce before executing the action. |
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* |
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* @param bool $result The current result. |
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* @param string $action Action name. |
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* |
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* @return bool True if nonce is verified, False otherwise. |
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*/ |
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public function verify_nonce( $result, $action ) { |
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/** |
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* List of actions for page. |
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* |
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* @param array $actions Actions. |
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* @param BasePage $page Page objects. |
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* |
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* @since 6.0.0 |
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*/ |
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$page_actions = apply_filters( 'bd_page_actions', $this->actions, $this ); |
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if ( in_array( $action, $page_actions, true ) ) { |
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if ( check_admin_referer( "bd-{$this->page_slug}", "bd-{$this->page_slug}-nonce" ) ) { |
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return true; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Setup hooks for rendering contextual help. |
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*/ |
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public function setup_contextual_help() { |
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/** |
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* Add contextual help for admin screens. |
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* |
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* @since 5.1 |
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* |
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* @param string Hook suffix of the current page. |
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*/ |
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do_action( 'bd_add_contextual_help', $this->hook_suffix ); |
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} |
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/** |
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* Modify help tabs for the current page. |
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* |
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* @param array $help_tabs Current list of help tabs. |
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* @param string $hook_suffix Hook Suffix of the page. |
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* |
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* @return array Modified list of help tabs. |
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*/ |
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public function render_help_tab( $help_tabs, $hook_suffix ) { |
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if ( $this->hook_suffix === $hook_suffix ) { |
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$help_tabs = $this->add_help_tab( $help_tabs ); |
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} |
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return $help_tabs; |
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} |
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/** |
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* Add help tabs. |
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* |
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* Help tabs can be added by overriding this function in the child class. |
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* |
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* @param array $help_tabs Current list of help tabs. |
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* |
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* @return array List of help tabs. |
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*/ |
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protected function add_help_tab( $help_tabs ) { |
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return $help_tabs; |
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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_page() { |
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?> |
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<div class="wrap"> |
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<h2><?php echo esc_html( $this->label['page_title'] ); ?></h2> |
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<?php settings_errors(); ?> |
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<form method="post"> |
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<?php $this->render_nonce_fields(); ?> |
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<div id = "poststuff"> |
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<div id="post-body" class="metabox-holder columns-1"> |
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<?php $this->render_header(); ?> |
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<div id="postbox-container-2" class="postbox-container"> |
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<?php $this->render_body(); ?> |
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</div> <!-- #postbox-container-2 --> |
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</div> <!-- #post-body --> |
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</div><!-- #poststuff --> |
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</form> |
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</div><!-- .wrap --> |
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<?php |
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$this->render_footer(); |
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} |
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/** |
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* Print nonce fields. |
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*/ |
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protected function render_nonce_fields() { |
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wp_nonce_field( "bd-{$this->page_slug}", "bd-{$this->page_slug}-nonce" ); |
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} |
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/** |
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* Render page header. |
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*/ |
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protected function render_header() { |
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if ( empty( $this->messages['warning_message'] ) ) { |
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return; |
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} |
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?> |
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<div class="notice notice-warning"> |
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<p> |
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<strong> |
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<?php echo esc_html( $this->messages['warning_message'] ); ?> |
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</strong> |
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</p> |
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</div> |
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<?php |
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} |
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/** |
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* Render page footer. |
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*/ |
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protected function render_footer() { |
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/** |
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* Runs just before displaying the footer text in the admin page. |
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* |
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* This action is primarily for adding extra content in the footer of admin page. |
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* |
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* @since 5.5.4 |
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*/ |
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do_action( "bd_admin_footer_for_{$this->page_slug}" ); |
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} |
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/** |
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* Modify admin footer in Bulk Delete plugin pages. |
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*/ |
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public function modify_admin_footer() { |
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add_filter( 'admin_footer_text', 'bd_add_rating_link' ); |
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} |
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/** |
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* Append link to the current page in plugin list. |
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* |
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* @param array $links Array of links. |
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* |
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* @return array Modified list of links. |
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*/ |
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public function append_to_plugin_action_links( $links ) { |
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$links[ $this->get_page_slug() ] = '<a href="admin.php?page=' . $this->get_page_slug() . '">' . $this->label['page_title'] . '</a>'; |
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return $links; |
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} |
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/** |
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* Getter for screen. |
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* |
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* @return \WP_Screen Current screen. |
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*/ |
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public function get_screen() { |
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return $this->screen; |
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} |
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/** |
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* Getter for page_slug. |
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* |
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* @return string Slug of the page. |
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*/ |
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public function get_page_slug() { |
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return $this->page_slug; |
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} |
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/** |
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* Getter for Hook Suffix. |
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* |
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* @return string Hook Suffix of the page. |
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*/ |
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public function get_hook_suffix() { |
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return $this->hook_suffix; |
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} |
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346
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/** |
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347
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* Get the url to the plugin directory. |
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|
|
* |
|
349
|
|
|
* @return string Url to plugin directory. |
|
350
|
|
|
*/ |
|
351
|
|
|
protected function get_plugin_dir_url() { |
|
352
|
|
|
return plugin_dir_url( $this->plugin_file ); |
|
353
|
|
|
} |
|
354
|
|
|
|
|
355
|
|
|
/** |
|
356
|
|
|
* Get the Menu position of BulkWP menu. |
|
357
|
|
|
* |
|
358
|
|
|
* @return int Menu position. |
|
359
|
|
|
*/ |
|
360
|
|
|
protected function get_bulkwp_menu_position() { |
|
361
|
|
|
/** |
|
362
|
|
|
* Bulk WP Menu position. |
|
363
|
|
|
* |
|
364
|
|
|
* @param int Menu Position. |
|
365
|
|
|
* |
|
366
|
|
|
* @since 6.0.0 |
|
367
|
|
|
*/ |
|
368
|
|
|
return apply_filters( 'bd_bulkwp_menu_position', self::MENU_POSITION ); |
|
369
|
|
|
} |
|
370
|
|
|
|
|
371
|
|
|
/** |
|
372
|
|
|
* Get Top Level Menu Slug. |
|
373
|
|
|
* |
|
374
|
|
|
* @since 6.1.0 |
|
375
|
|
|
* |
|
376
|
|
|
* @return string Top Level menu slug. |
|
377
|
|
|
*/ |
|
378
|
|
|
protected function get_top_level_menu_slug() { |
|
379
|
|
|
return self::BULK_WP_MENU_SLUG; |
|
380
|
|
|
} |
|
381
|
|
|
} |
|
382
|
|
|
|