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wp-content/plugins/visual-regression-tests/includes/features/class-admin-header.php

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+<?php
+
+namespace Vrts\Features;
+
+class Admin_Header {
+	/**
+	 * Constructor.
+	 */
+	public function __construct() {
+		add_action('current_screen', function () {
+			$current_screen = get_current_screen();
+			if ( isset( $current_screen->id ) && strpos( $current_screen->id, 'vrts' ) !== false ) {
+				add_action( 'in_admin_header', [ $this, 'add_navigation' ] );
+			}
+		});
+	}
+
+	/**
+	 * Add header navigation.
+	 */
+	public function add_navigation() {
+		global $submenu, $submenu_file, $plugin_page;
+
+		$menu_items = [];
+		$base_slug = 'vrts';
+
+		if ( isset( $submenu[ $base_slug ] ) ) {
+
+			foreach ( $submenu[ $base_slug ] as $sub_item ) {
+				if ( isset( $sub_item[2] ) && strpos( $sub_item[2], $base_slug ) !== false ) {
+					$url = admin_url( "admin.php?page={$sub_item[2]}" );
+				} else {
+					$url = admin_url( $sub_item[2] );
+				}
+
+				// Setup tab.
+				$menu_item = [
+					'text' => $sub_item[0],
+					'url'  => isset( $url ) ? $url : $sub_item[2],
+				];
+
+				// Add state.
+				if ( $submenu_file === $sub_item[2] || $plugin_page === $sub_item[2] ) {
+					$menu_item['is_active'] = true;
+				}
+
+				$menu_items[] = $menu_item;
+			}
+		}//end if
+
+		vrts()->component( 'admin-header', [
+			'plugin_name' => vrts()->get_plugin_info( 'name' ),
+			'menu_items' => $menu_items,
+		]);
+	}
+}