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<?php
/**
* Admin Page Helper Class for TablePress with functions needed in the admin area
*
* @package TablePress
* @subpackage Views
* @author Tobias Bäthge
* @since 1.0.0
*/
// Prohibit direct script loading.
defined( 'ABSPATH' ) || die( 'No direct script access allowed!' );
/**
* Admin Page class
*
* @package TablePress
* @subpackage Views
* @author Tobias Bäthge
* @since 1.0.0
*/
class TablePress_Admin_Page {
/**
* Enqueue a CSS file, possibly with dependencies.
*
* @since 1.0.0
*
* @param string $name Name of the CSS file, without extension.
* @param string[] $dependencies Optional. List of names of CSS stylesheets that this stylesheet depends on, and which need to be included before this one.
*/
public function enqueue_style( string $name, array $dependencies = array() ): void {
$css_file = "admin/css/build/{$name}.css";
$css_url = plugins_url( $css_file, TABLEPRESS__FILE__ );
wp_enqueue_style( "tablepress-{$name}", $css_url, $dependencies, TablePress::version );
}
/**
* Enqueue a JavaScript file, possibly with dependencies and extra information.
*
* @since 1.0.0
*
* @param string $name Name of the JS file, without extension.
* @param string[] $dependencies Optional. List of names of JS scripts that this script depends on, and which need to be included before this one.
* @param array<string, mixed> $script_data Optional. JS data that is printed to the page before the script is included. The array key will be used as the name, the value will be JSON encoded.
*/
public function enqueue_script( string $name, array $dependencies = array(), array $script_data = array() ): void {
$js_file = "admin/js/build/{$name}.js";
$js_url = plugins_url( $js_file, TABLEPRESS__FILE__ );
$version = TablePress::version;
// Load dependencies and version from the auto-generated asset PHP file.
$script_asset_path = TABLEPRESS_ABSPATH . "admin/js/build/{$name}.asset.php";
if ( file_exists( $script_asset_path ) ) {
$script_asset = require $script_asset_path;
if ( isset( $script_asset['dependencies'] ) ) {
$dependencies = array_merge( $dependencies, $script_asset['dependencies'] );
}
if ( isset( $script_asset['version'] ) ) {
$version = $script_asset['version'];
}
}
/*
* Register the `react-jsx-runtime` polyfill, if it is not already registered.
* This is needed as a polyfill for WP < 6.6, and can be removed once WP 6.6 is the minimum requirement for TablePress.
*/
if ( ! wp_script_is( 'react-jsx-runtime', 'registered' ) ) {
wp_register_script( 'react-jsx-runtime', plugins_url( 'admin/js/react-jsx-runtime.min.js', TABLEPRESS__FILE__ ), array( 'react' ), TablePress::version, true );
}
/**
* Filters the dependencies of a TablePress script file.
*
* @since 2.0.0
*
* @param string[] $dependencies List of the dependencies that the $name script relies on.
* @param string $name Name of the JS script, without extension.
*/
$dependencies = apply_filters( 'tablepress_admin_page_script_dependencies', $dependencies, $name );
wp_enqueue_script( "tablepress-{$name}", $js_url, $dependencies, $version, true );
// Load JavaScript translation files, for all scripts that rely on `wp-i18n`.
if ( in_array( 'wp-i18n', $dependencies, true ) ) {
wp_set_script_translations( "tablepress-{$name}", 'tablepress' );
}
if ( ! empty( $script_data ) ) {
foreach ( $script_data as $var_name => $var_data ) {
$var_data = wp_json_encode( $var_data, JSON_FORCE_OBJECT | JSON_HEX_TAG | JSON_UNESCAPED_SLASHES );
wp_add_inline_script( "tablepress-{$name}", "const tablepress_{$var_name} = {$var_data};", 'before' );
}
}
}
/**
* Register a filter hook on the admin footer.
*
* @since 1.0.0
*/
public function add_admin_footer_text(): void {
// Show admin footer message (only on TablePress admin screens).
add_filter( 'admin_footer_text', array( $this, '_admin_footer_text' ) );
}
/**
* Adds a TablePress "Thank You" message to the admin footer content.
*
* @since 1.0.0
*
* @param string $content Current admin footer content.
* @return string New admin footer content.
*/
public function _admin_footer_text( /* string */ $content ): string {
// Don't use a type hint in the method declaration as many WordPress plugins use the `admin_footer_text` filter in the wrong way.
// Protect against other plugins not returning a string in their filter callbacks.
if ( ! is_string( $content ) ) { // @phpstan-ignore function.alreadyNarrowedType (The `is_string()` check is needed as the input is coming from a filter hook.)
$content = '';
}
$content .= ' • ' . sprintf( __( 'Thank you for using <a href="%s">TablePress</a>.', 'tablepress' ), 'https://tablepress.org/' );
if ( tb_tp_fs()->is_free_plan() ) {
$content .= ' ' . sprintf( __( 'Take a look at the <a href="%s">Premium features</a>!', 'tablepress' ), 'https://tablepress.org/premium/?utm_source=plugin&utm_medium=textlink&utm_content=admin-footer' );
}
return $content;
}
/**
* Print the JavaScript code for a WP feature pointer.
*
* @since 1.0.0
*
* @param string $pointer_id The pointer ID.
* @param string $selector The HTML elements, on which the pointer should be attached.
* @param array<string, mixed> $args Arguments to be passed to the pointer JS (see wp-pointer.js).
*/
public function print_wp_pointer_js( string $pointer_id, string $selector, array $args ): void {
if ( empty( $pointer_id ) || empty( $selector ) || empty( $args['content'] ) ) {
return;
}
/*
* Print JS code for the feature pointers, extended with event handling for opened/closed "Screen Options", so that pointers can
* be repositioned. 210 ms is slightly slower than jQuery's "fast" value, to allow all elements to reach their original position.
*/
?>
<script>
( function( $ ) {
let options = <?php echo wp_json_encode( $args, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ); ?>;
if ( ! options ) {
return;
}
options = $.extend( options, {
close: function() {
$.post( ajaxurl, {
pointer: '<?php echo $pointer_id; ?>',
action: 'dismiss-wp-pointer'
} );
$( this ).pointer( { 'disabled': true } );
}
} );
$( function () {
$( '<?php echo $selector; ?>' ).pointer( options ).pointer( 'open' );
} );
$( document ).on( 'screen:options:open screen:options:close', function () {
setTimeout( function () { $( '<?php echo $selector; ?>' ).pointer( 'reposition' ); }, 210 );
} );
} )( jQuery );
</script>
<?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}' )";
}
} // class TablePress_Admin_Page