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<?php
namespace Code_Snippets\Admin\Menus;
use Code_Snippets\Admin\Contextual_Help;
use Code_Snippets\Model\Snippet;
use WP_Screen;
use function Code_Snippets\code_snippets;
use function Code_Snippets\get_all_snippet_tags;
use function Code_Snippets\get_snippet;
use function Code_Snippets\Settings\get_setting;
use function Code_Snippets\Settings\get_settings_values;
use function Code_Snippets\Utils\enqueue_code_editor;
use const Code_Snippets\PLUGIN_FILE;
use const Code_Snippets\PLUGIN_VERSION;
/**
* This class handles the add/edit menu.
*/
class Edit_Menu extends Admin_Menu {
/**
* Handle for JavaScript asset file.
*/
private const JS_HANDLE = 'code-snippets-edit-menu';
/**
* Handle for CSS asset file.
*/
private const CSS_HANDLE = 'code-snippets-edit';
/**
* The snippet object currently being edited
*
* @var Snippet|null
* @see Edit_Menu::load_snippet_data()
*/
protected ?Snippet $snippet = null;
/**
* Constructor.
*
* @return void
*/
public function __construct() {
parent::__construct(
'edit',
_x( 'Edit Snippet', 'menu label', 'code-snippets' ),
__( 'Edit Snippet', 'code-snippets' )
);
add_action( 'current_screen', array( $this, 'maybe_hide_menu_item' ) );
$this->remove_debug_bar_codemirror();
}
/**
* Register the admin menu
*
* @return void
*/
public function register() {
parent::register();
// Create New Snippet menu.
$this->add_menu(
code_snippets()->get_menu_slug( 'add' ),
_x( 'Add New', 'menu label', 'code-snippets' ),
__( 'Create New Snippet', 'code-snippets' )
);
}
/**
* Retrieve every hookname registered by this menu, including the separate
* "Add New" page, so screen-based checks recognise both editor views.
*
* @return string[]
*/
public function get_hooknames(): array {
return [
$this->get_hookname(),
get_plugin_page_hookname( code_snippets()->get_menu_slug( 'add' ), $this->base_slug ),
];
}
/**
* Hide the static Edit Snippet menu item unless a specific snippet is being edited.
*
* @param WP_Screen $screen Current admin screen.
*
* @return void
*/
public function maybe_hide_menu_item( WP_Screen $screen ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only admin menu context.
$current_id = isset( $_GET['id'] ) ? absint( $_GET['id'] ) : 0;
$edit_hook = get_plugin_page_hookname( $this->slug, $this->base_slug );
$edit_hook .= $screen->in_admin( 'network' ) ? '-network' : '';
if ( ( $screen->id === $edit_hook || $screen->base === $edit_hook ) && 0 < $current_id ) {
return;
}
remove_submenu_page( $this->base_slug, $this->slug );
}
/**
* Executed when the menu is loaded.
*
* @return void
*/
public function load() {
parent::load();
$this->load_snippet_data();
$this->ensure_correct_page();
$contextual_help = new Contextual_Help( 'edit' );
$contextual_help->load();
}
/**
* Disallow vising the Edit Snippet page without a valid ID.
*
* @return void
*/
protected function ensure_correct_page() {
$screen = get_current_screen();
$edit_hook = get_plugin_page_hookname( $this->slug, $this->base_slug );
$edit_hook .= $screen->in_admin( 'network' ) ? '-network' : '';
// Disallow visiting the edit snippet page without a valid ID.
if (
$screen->base === $edit_hook
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
&& ( empty( $_REQUEST['id'] ) || 0 === $this->snippet->id || null === $this->snippet->id )
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
&& ! isset( $_REQUEST['preview'] )
) {
wp_safe_redirect( code_snippets()->get_menu_url( 'add' ) );
exit;
}
}
/**
* Render the edit menu interface.
*
* @return void
*/
public function render() {
echo '<div id="edit-snippet-container" class="wrap"></div>';
}
/**
* Load the data for the snippet currently being edited.
*/
public function load_snippet_data() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$edit_id = isset( $_REQUEST['id'] ) ? absint( $_REQUEST['id'] ) : 0;
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$edit_type = isset( $_REQUEST['type'] ) ? sanitize_key( wp_unslash( $_REQUEST['type'] ) ) : '';
$this->snippet = get_snippet( $edit_id );
if ( 0 === $edit_id && $edit_type !== $this->snippet->type ) {
$default_scopes = [
'php' => 'global',
'css' => 'site-css',
'html' => 'content',
'js' => 'site-head-js',
'cond' => 'condition',
];
if ( isset( $default_scopes[ $edit_type ] ) ) {
$this->snippet->scope = $default_scopes[ $edit_type ];
}
}
$this->snippet = apply_filters( 'code_snippets/admin/load_snippet_data', $this->snippet );
}
/**
* Enqueue assets for the edit menu
*
* @return void
*/
public function enqueue_assets() {
$settings = get_settings_values();
$tags_enabled = $settings['general']['enable_tags'];
$desc_enabled = $settings['general']['enable_description'];
enqueue_code_editor( $this->snippet->type );
wp_enqueue_style(
self::CSS_HANDLE,
plugins_url( 'dist/edit.css', PLUGIN_FILE ),
[
'code-editor',
'wp-components',
],
PLUGIN_VERSION
);
wp_enqueue_script(
self::JS_HANDLE,
plugins_url( 'dist/edit.js', PLUGIN_FILE ),
array_merge( [ 'code-snippets-code-editor' ], self::$script_deps ),
PLUGIN_VERSION,
[ 'in_footer' => true ]
);
wp_set_script_translations( self::JS_HANDLE, 'code-snippets' );
if ( $desc_enabled ) {
remove_editor_styles();
wp_enqueue_editor();
}
code_snippets()->localize_script( self::JS_HANDLE );
wp_localize_script(
self::JS_HANDLE,
'CODE_SNIPPETS_EDIT',
[
'snippet' => $this->snippet->get_fields(),
'activateByDefault' => get_setting( 'general', 'activate_by_default' ),
'editorTheme' => get_setting( 'editor', 'theme' ),
'enableDownloads' => apply_filters( 'code_snippets/enable_downloads', true ),
'enableDescription' => $desc_enabled,
'tagOptions' => apply_filters(
'code_snippets/tag_editor_options',
[
'enabled' => $tags_enabled,
'allowSpaces' => true,
'availableTags' => $tags_enabled ? get_all_snippet_tags() : [],
]
),
'descEditorOptions' => [
'rows' => $settings['general']['visual_editor_rows'],
],
]
);
}
/**
* Remove the old CodeMirror version used by the Debug Bar Console plugin that is messing up the snippet editor.
*/
public function remove_debug_bar_codemirror() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$current_page = isset( $_GET['page'] ) ? sanitize_text_field( wp_unslash( $_GET['page'] ) ) : '';
// Try to discern if we are on the single snippet page as good as we can at this early time.
$is_codemirror_page =
is_admin() && 'admin.php' === $GLOBALS['pagenow'] && $current_page && (
code_snippets()->get_menu_slug( 'edit' ) === $current_page ||
code_snippets()->get_menu_slug( 'settings' ) === $current_page
);
if ( $is_codemirror_page ) {
remove_action( 'debug_bar_enqueue_scripts', 'debug_bar_console_scripts' );
}
}
}