574 lines
21 KiB
PHP
574 lines
21 KiB
PHP
<?php
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/**
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* TablePress Base View with members and methods for all views
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*
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* @package TablePress
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* @subpackage Views
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* @author Tobias Bäthge
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* @since 1.0.0
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*/
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// Prohibit direct script loading.
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defined( 'ABSPATH' ) || die( 'No direct script access allowed!' );
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/**
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* TablePress Base View class
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*
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* @package TablePress
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* @subpackage Views
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* @author Tobias Bäthge
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* @since 1.0.0
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*/
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abstract class TablePress_View {
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/**
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* Data for the view.
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*
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* @since 1.0.0
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* @var array<string, mixed>
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*/
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protected array $data = array();
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/**
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* Number of screen columns for post boxes.
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*
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* @since 1.0.0
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*/
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protected int $screen_columns = 0;
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/**
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* User action for this screen.
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*
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* @since 1.0.0
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*/
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protected string $action = '';
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/**
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* Instance of the Admin Page Helper Class, with necessary functions.
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*
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* @since 1.0.0
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*/
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protected \TablePress_Admin_Page $admin_page;
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/**
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* List of text boxes (similar to post boxes, but just with text and without extra functionality).
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*
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* @since 1.0.0
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* @var array<string, array<string, array<string, mixed>>>
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*/
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protected array $textboxes = array();
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/**
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* List of messages that are to be displayed as boxes below the page title.
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*
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* @since 1.0.0
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* @var string[]
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*/
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protected array $header_messages = array();
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/**
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* Whether there are post boxes registered for this screen,
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* is automatically set to true, when a meta box is added.
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*
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* @since 1.0.0
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*/
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protected bool $has_meta_boxes = false;
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/**
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* List of WP feature pointers for this view.
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*
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* @since 1.0.0
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* @var string[]
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*/
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protected array $wp_pointers = array();
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/**
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* Initializes the View class, by setting the correct screen columns and adding help texts.
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*
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* @since 1.0.0
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*/
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public function __construct() {
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$screen = get_current_screen();
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if ( 0 !== $this->screen_columns ) {
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$screen->add_option( 'layout_columns', array( 'max' => $this->screen_columns ) ); // @phpstan-ignore method.nonObject
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}
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// Enable two column layout.
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add_filter( "get_user_option_screen_layout_{$screen->id}", array( $this, 'set_current_screen_layout_columns' ) ); // @phpstan-ignore property.nonObject
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/* translators: %1$s: URL to TablePress website, %2$s: URL to WordPress Plugin Directory */
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$common_content = '<p>' . sprintf( __( 'More information about TablePress can be found on the <a href="%1$s">plugin website</a> or on its page in the <a href="%2$s">WordPress Plugin Directory</a>.', 'tablepress' ), 'https://tablepress.org/', 'https://wordpress.org/plugins/tablepress/' ) . '</p>';
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/* translators: %s: URL to Documentation page */
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$common_content .= '<p>' . sprintf( __( 'For technical information, please see the <a href="%s">Documentation</a>.', 'tablepress' ), 'https://tablepress.org/documentation/' ) . ' ';
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/* translators: %s: URL to FAQ page */
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$common_content .= sprintf( __( 'Common questions are answered in the <a href="%s">FAQ</a>.', 'tablepress' ), 'https://tablepress.org/faq/' ) . '</p>';
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if ( tb_tp_fs()->is_free_plan() ) {
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$common_content .= '<p>'
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. sprintf( __( '<a href="%1$s">Support</a> is provided through the <a href="%2$s">WordPress Support Forums</a>.', 'tablepress' ), 'https://tablepress.org/support/', 'https://wordpress.org/tags/tablepress' )
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. ' '
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. sprintf( __( 'Before asking for support, please carefully read the <a href="%s">Frequently Asked Questions</a>, where you will find answers to the most common questions, and search through the forums.', 'tablepress' ), 'https://tablepress.org/faq/' )
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. '</p>';
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$common_content .= '<p><strong>' . sprintf( __( 'More great features for you and your site’s visitors and priority email support are available with a Premium license plan of TablePress. <a href="%s">Go check them out!</a>', 'tablepress' ), 'https://tablepress.org/premium/?utm_source=plugin&utm_medium=textlink&utm_content=help-tab' ) . '</strong></p>';
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}
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$screen->add_help_tab( array( // @phpstan-ignore method.nonObject
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'id' => 'tablepress-help', // This should be unique for the screen.
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'title' => __( 'TablePress Help', 'tablepress' ),
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'content' => '<p>' . $this->help_tab_content() . '</p>' . $common_content,
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) );
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// "Sidebar" in the help tab.
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$screen->set_help_sidebar( // @phpstan-ignore method.nonObject
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'<p><strong>' . __( 'For more information:', 'tablepress' ) . '</strong></p>'
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. '<p><a href="https://tablepress.org/">TablePress Website</a></p>'
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. '<p><a href="https://tablepress.org/faq/">TablePress FAQ</a></p>'
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. '<p><a href="https://tablepress.org/documentation/">TablePress Documentation</a></p>'
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. '<p><a href="https://tablepress.org/support/">TablePress Support</a></p>'
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);
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}
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/**
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* Changes the value of the user option "screen_layout_{$screen->id}" through a filter.
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*
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* @since 1.0.0
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*
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* @param int|false $result Current value of the user option.
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* @return int New value for the user option.
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*/
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public function set_current_screen_layout_columns( /* int|false */ $result ): int {
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if ( false === $result ) {
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// The user option does not yet exist.
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$result = $this->screen_columns;
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} elseif ( $result > $this->screen_columns ) {
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// The value of the user option is bigger than what is possible on this screen (e.g. because the number of columns was reduced in an update).
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$result = $this->screen_columns;
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}
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return $result;
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}
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/**
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* Sets up the view with data and do things that are necessary for all views.
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*
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* @since 1.0.0
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*
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* @param string $action Action for this view.
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* @param array<string, mixed> $data Data for this view.
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*/
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public function setup( /* string */ $action, array $data ) /* : void */ {
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// Don't use type hints (except array $data) in method declaration, as the method is extended in some TablePress Extensions which are no longer updated.
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$this->action = $action;
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$this->data = $data;
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// Set page title.
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$GLOBALS['title'] = sprintf( __( '%1$s ‹ %2$s', 'tablepress' ), $this->data['view_actions'][ $this->action ]['page_title'], 'TablePress' ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
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// Admin page helpers, like script/style loading, could be moved to view.
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$this->admin_page = TablePress::load_class( 'TablePress_Admin_Page', 'class-admin-page-helper.php', 'classes' );
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$this->admin_page->enqueue_style( 'common', array( 'wp-components' ) );
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// RTL styles for the admin interface.
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if ( is_rtl() ) {
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$this->admin_page->enqueue_style( 'common-rtl', array( 'tablepress-common' ) );
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}
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$this->admin_page->enqueue_script( 'common', array( 'jquery-core', 'postbox' ) );
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$this->admin_page->add_admin_footer_text();
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// Initialize WP feature pointers for TablePress.
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$this->_init_wp_pointers();
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// Necessary fields for all views.
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$this->add_text_box( 'default_nonce_fields', array( $this, 'default_nonce_fields' ), 'header', false );
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$this->add_text_box( 'action_nonce_field', array( $this, 'action_nonce_field' ), 'header', false );
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$this->add_text_box( 'action_field', array( $this, 'action_field' ), 'header', false );
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}
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/**
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* Registers a header message for the view.
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*
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* @since 1.0.0
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*
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* @param string $text Text for the header message.
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* @param string $css_class Optional. Additional CSS class for the header message.
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* @param string $title Optional. Text for the header title.
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*/
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protected function add_header_message( string $text, string $css_class = 'is-success', string $title = '' ): void {
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if ( ! str_contains( $css_class, 'not-dismissible' ) ) {
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$css_class .= ' is-dismissible';
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}
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if ( '' !== $title ) {
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$title = "<h3>{$title}</h3>";
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}
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// Wrap the message text in HTML <p> tags if it does not already start with one (potentially with attributes), indicating custom message HTML.
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if ( '' !== $text && ! str_starts_with( $text, '<p' ) ) {
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$text = "<p>{$text}</p>";
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}
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$this->header_messages[] = "<div class=\"notice components-notice {$css_class}\"><div class=\"components-notice__content\">{$title}{$text}</div></div>\n";
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}
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/**
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* Processes header action messages, i.e. check if a message should be added to the page.
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*
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* @since 1.0.0
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*
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* @param array<string, string> $action_messages Action messages for the screen.
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*/
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protected function process_action_messages( array $action_messages ): void {
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if ( $this->data['message'] && isset( $action_messages[ $this->data['message'] ] ) ) {
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$class = ( str_starts_with( $this->data['message'], 'error' ) ) ? 'is-error' : 'is-success';
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if ( '' !== $this->data['error_details'] ) {
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$this->data['error_details'] = '</p><p>' . sprintf( __( 'Error code: %s', 'tablepress' ), '<code>' . esc_html( $this->data['error_details'] ) . '</code>' );
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}
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$this->add_header_message( "<strong>{$action_messages[ $this->data['message'] ]}</strong>{$this->data['error_details']}", $class );
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}
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}
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/**
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* Registers a text box for the view.
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*
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* @since 1.0.0
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*
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* @param string $id Unique HTML ID for the text box container (only visible with $wrap = true).
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* @param callable $callback Callback that prints the contents of the text box.
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* @param string $context Optional. Context/position of the text box (normal, side, additional, header, submit).
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* @param bool $wrap Whether the content of the text box shall be wrapped in a <div> container.
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*/
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protected function add_text_box( string $id, callable $callback, string $context = 'normal', bool $wrap = false ): void {
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if ( ! isset( $this->textboxes[ $context ] ) ) {
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$this->textboxes[ $context ] = array();
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}
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$long_id = "tablepress_{$this->action}-{$id}";
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$this->textboxes[ $context ][ $id ] = array(
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'id' => $long_id,
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'callback' => $callback,
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'context' => $context,
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'wrap' => $wrap,
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);
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}
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/**
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* Registers a post meta box for the view, that is drag/droppable with WordPress functionality.
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*
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* @since 1.0.0
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*
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* @param string $id Unique ID for the meta box.
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* @param string $title Title for the meta box.
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* @param callable $callback Callback that prints the contents of the post meta box.
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* @param 'normal'|'side'|'additional' $context Optional. Context/position of the post meta box (normal, side, additional).
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* @param 'core'|'default'|'high'|'low' $priority Optional. Order of the post meta box for the $context position (high, default, low).
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* @param mixed[]|null $callback_args Optional. Additional data for the callback function (e.g. useful when in different class).
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*/
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protected function add_meta_box( string $id, string $title, callable $callback, string $context = 'normal', string $priority = 'default', ?array $callback_args = null ): void {
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$this->has_meta_boxes = true;
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add_meta_box( "tablepress_{$this->action}-{$id}", $title, $callback, null, $context, $priority, $callback_args );
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}
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/**
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* Renders all text boxes for the given context.
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*
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* @since 1.0.0
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*
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* @param string $context Context (normal, side, additional, header, submit) for which registered text boxes shall be rendered.
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*/
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protected function do_text_boxes( string $context ): void {
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if ( empty( $this->textboxes[ $context ] ) ) {
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return;
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}
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foreach ( $this->textboxes[ $context ] as $box ) {
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if ( $box['wrap'] ) {
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echo "<div id=\"{$box['id']}\" class=\"textbox\">\n";
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}
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call_user_func( $box['callback'], $this->data, $box );
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if ( $box['wrap'] ) {
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echo "</div>\n";
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}
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}
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}
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/**
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* Renders all post meta boxes for the given context, if there are post meta boxes.
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*
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* @since 1.0.0
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*
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* @param string $context Context (normal, side, additional) for which registered post meta boxes shall be rendered.
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*/
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protected function do_meta_boxes( string $context ): void {
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if ( $this->has_meta_boxes ) {
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do_meta_boxes( get_current_screen(), $context, $this->data ); // @phpstan-ignore argument.type
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}
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}
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/**
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* Prints hidden fields with nonces for post meta box AJAX handling, if there are post meta boxes on the screen.
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*
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* The check is possible as this function is executed after post meta boxes have to be registered.
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*
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* @since 1.0.0
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*
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* @param array<string, mixed> $data Data for this screen.
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* @param array<string, mixed> $box Information about the text box.
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*/
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protected function default_nonce_fields( array $data, array $box ): void {
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if ( ! $this->has_meta_boxes ) {
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return;
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}
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wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
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echo "\n";
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wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
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echo "\n";
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}
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/**
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* Prints hidden field with a nonce for the screen's action, to be transmitted in HTTP requests.
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*
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* @since 1.0.0
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*
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* @param array<string, mixed> $data Data for this screen.
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* @param array<string, mixed> $box Information about the text box.
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*/
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protected function action_nonce_field( array $data, array $box ): void {
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wp_nonce_field( TablePress::nonce( $this->action ) );
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echo "\n";
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}
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/**
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* Prints hidden field with the screen action.
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*
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* @since 1.0.0
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*
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* @param array<string, mixed> $data Data for this screen.
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* @param array<string, mixed> $box Information about the text box.
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*/
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protected function action_field( array $data, array $box ): void {
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echo "<input type=\"hidden\" name=\"action\" value=\"tablepress_{$this->action}\">\n";
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}
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/**
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* Renders the current view.
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*
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* @since 1.0.0
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*/
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public function render(): void {
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?>
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<div id="tablepress-page" class="wrap">
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<?php
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$this->print_nav_tab_menu();
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?>
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<div id="tablepress-body">
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<hr class="wp-header-end">
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<?php
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// Print all header messages.
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foreach ( $this->header_messages as $message ) {
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echo $message;
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}
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// "Import" screen has file upload.
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$enctype = ( 'import' === $this->action ) ? ' enctype="multipart/form-data"' : '';
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?>
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<form action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>" method="post"<?php echo $enctype; ?> id="tablepress-page-form">
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<?php
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$this->do_text_boxes( 'header' );
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$hide_if_no_js = ( in_array( $this->action, array( 'export', 'import' ), true ) ) ? ' class="hide-if-no-js"' : '';
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?>
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<div id="poststuff"<?php echo $hide_if_no_js; ?>>
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<div id="post-body" class="metabox-holder columns-<?php echo ( isset( $GLOBALS['screen_layout_columns'] ) && ( 2 === $GLOBALS['screen_layout_columns'] ) ) ? '2' : '1'; ?>">
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<div id="postbox-container-2" class="postbox-container">
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<?php
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$this->do_text_boxes( 'normal' );
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$this->do_meta_boxes( 'normal' );
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$this->do_text_boxes( 'additional' );
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$this->do_meta_boxes( 'additional' );
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// Print all submit buttons.
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$this->do_text_boxes( 'submit' );
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?>
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</div>
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<div id="postbox-container-1" class="postbox-container">
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<?php
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// Print all boxes in the sidebar.
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$this->do_text_boxes( 'side' );
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$this->do_meta_boxes( 'side' );
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?>
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</div>
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</div>
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<br class="clear">
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</div>
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</form>
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</div>
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</div>
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<?php
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}
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/**
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* Renders the navigation menu with links to the possible actions, highlighting the current one.
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*
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* @since 1.0.0
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*/
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protected function print_nav_tab_menu(): void {
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$name = __( 'TablePress', 'tablepress' );
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$filename = 'admin/img/tablepress.svg';
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?>
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<div id="tablepress-header" class="header">
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<h1 class="name">
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<img src="<?php echo plugins_url( $filename, TABLEPRESS__FILE__ ); ?>" alt="<?php esc_attr_e( 'TablePress plugin logo', 'tablepress' ); ?>">
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<span class="screen-reader-text"><?php echo $name; ?></span>
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</h1>
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<?php if ( ! TABLEPRESS_IS_PLAYGROUND_PREVIEW && tb_tp_fs()->is_free_plan() ) : ?>
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<div class="buttons">
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<a href="<?php echo esc_url( tb_tp_fs()->pricing_url( WP_FS__PERIOD_ANNUALLY, false ) ); ?>" class="tablepress-button">
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<span><?php _e( 'Upgrade to Premium', 'tablepress' ); ?></span>
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<span class="dashicons dashicons-arrow-right-alt"></span>
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</a>
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</div>
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<?php endif; ?>
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</div>
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<nav id="tablepress-nav">
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<ul class="nav-menu">
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<?php
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foreach ( $this->data['view_actions'] as $action => $entry ) {
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if ( '' === $entry['nav_tab_title'] ) {
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continue;
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}
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if ( ! current_user_can( $entry['required_cap'] ) ) {
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continue;
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}
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$url = esc_url( TablePress::url( array( 'action' => $action ) ) );
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$active = ( $action === $this->action ) ? ' active' : '';
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$separator = ( 'export' === $action ) ? ' separator' : ''; // Make the "Export" entry a separator, for some spacing.
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echo "<li class=\"nav-item\"><a id=\"tablepress-nav-item-{$action}\" class=\"nav-link{$active}{$separator}\" href=\"{$url}\">{$entry['nav_tab_title']}</a></li>";
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}
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?>
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||
</ul>
|
||
</nav>
|
||
<?php
|
||
}
|
||
|
||
/**
|
||
* Prints a notification about JavaScript not being activated in the browser.
|
||
*
|
||
* @since 2.0.0
|
||
*
|
||
* @param array<string, mixed> $data Data for this screen.
|
||
* @param array<string, mixed> $box Information about the text box.
|
||
*/
|
||
public function textbox_no_javascript( array $data, array $box ): void {
|
||
?>
|
||
<div class="notice components-notice is-error hide-if-js">
|
||
<div class="components-notice__content">
|
||
<h3><em>
|
||
<?php _e( 'Attention: Unfortunately, there is a problem!', 'tablepress' ); ?>
|
||
</em></h3>
|
||
<p style="font-size:14px">
|
||
<strong><?php _e( 'This screen requires JavaScript. Please enable JavaScript in your browser settings.', 'tablepress' ); ?></strong><br>
|
||
<?php _e( 'For help, please follow <a href="https://www.enable-javascript.com/">the instructions on how to enable JavaScript in your browser</a>.', 'tablepress' ); ?>
|
||
</p>
|
||
<p>
|
||
<?php echo '<a href="' . esc_url( TablePress::url( array( 'action' => 'list' ) ) ) . '">' . __( 'Back to the List of Tables', 'tablepress' ) . '</a>'; ?>
|
||
</p>
|
||
</div>
|
||
</div>
|
||
<?php
|
||
}
|
||
|
||
/**
|
||
* Prints a submit button (only done when function is used as a callback for a text box).
|
||
*
|
||
* This method is soft-deprecated. It's no longer used in TablePress, but e.g. in the "TablePress Debug Extension".
|
||
*
|
||
* @since 1.0.0
|
||
*
|
||
* @param array<string, mixed> $data Data for this screen.
|
||
* @param array<string, mixed> $box Information about the text box.
|
||
*/
|
||
protected function textbox_submit_button( array $data, array $box ): void {
|
||
?>
|
||
<p class="submit"><input type="submit" class="components-button is-primary button-save-changes" value="<?php esc_attr_e( 'Save Changes', 'tablepress' ); ?>"></p>
|
||
<?php
|
||
}
|
||
|
||
/**
|
||
* Returns a safe JSON representation of a variable for printing inside of JavaScript code.
|
||
*
|
||
* @since 2.0.0
|
||
*
|
||
* @param mixed $data Variable to convert to JSON.
|
||
* @return string Safe JSON representation of a variable for printing inside of JavaScript code.
|
||
*/
|
||
public function convert_to_json_parse_output( /* string|array|bool|int|float|null */ $data ): string {
|
||
$json = wp_json_encode( $data, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES );
|
||
if ( false === $json ) {
|
||
// JSON encoding failed, return an error object. Use a prefixed "_error" key to avoid conflicts with intentionally added "error" keys.
|
||
$json = '{ "_error": "The data could not be encoded to JSON!" }';
|
||
}
|
||
// Print the JSON data inside a `JSON.parse()` call in JS for speed gains, with necessary escaping of `\` and `'`.
|
||
$json = str_replace( array( '\\', "'" ), array( '\\\\', "\'" ), $json );
|
||
return "JSON.parse( '{$json}' )";
|
||
}
|
||
|
||
/**
|
||
* Prints JavaScript variables for the screen.
|
||
*
|
||
* @since 3.1.0
|
||
*
|
||
* @param string $variable Name of the JavaScript variable.
|
||
* @param array<string, mixed> $data Information about the text box.
|
||
*/
|
||
protected function print_script_data_json( string $variable, array $data ): void {
|
||
echo "<script>\n";
|
||
echo "window.tp = window.tp || {};\n";
|
||
echo "tp.{$variable} = {\n";
|
||
foreach ( $data as $key => $value ) {
|
||
$value = $this->convert_to_json_parse_output( $value );
|
||
echo "\t{$key}: {$value},\n";
|
||
}
|
||
echo "};\n";
|
||
echo "</script>\n";
|
||
}
|
||
|
||
/**
|
||
* Returns the content for the help tab for this screen.
|
||
*
|
||
* Has to be implemented for every view that is visible in the WP Dashboard!
|
||
*
|
||
* @since 1.0.0
|
||
*
|
||
* @return string Help tab content for the view.
|
||
*/
|
||
protected function help_tab_content(): string {
|
||
// Has to be implemented for every view that is visible in the WP Dashboard!
|
||
return '';
|
||
}
|
||
|
||
/**
|
||
* Initializes the WP feature pointers for TablePress.
|
||
*
|
||
* @since 1.0.0
|
||
*/
|
||
protected function _init_wp_pointers(): void {
|
||
// Check if there are WP pointers for this view.
|
||
if ( empty( $this->wp_pointers ) ) {
|
||
return;
|
||
}
|
||
|
||
// Get dismissed pointers.
|
||
$dismissed = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
|
||
|
||
$pointers_on_page = false;
|
||
foreach ( array_diff( $this->wp_pointers, $dismissed ) as $pointer ) {
|
||
// Bind pointer print function.
|
||
add_action( "admin_footer-{$GLOBALS['hook_suffix']}", array( $this, 'wp_pointer_' . $pointer ) ); // @phpstan-ignore argument.type
|
||
$pointers_on_page = true;
|
||
}
|
||
|
||
if ( $pointers_on_page ) {
|
||
wp_enqueue_style( 'wp-pointer' );
|
||
wp_enqueue_script( 'wp-pointer' );
|
||
}
|
||
}
|
||
|
||
} // class TablePress_View
|