wordpress-theme-aksrt/src/WidgetSystem/AdminFormController.php

<?php

namespace AKSRT\WidgetSystem;

defined('ABSPATH') || exit;

/**
 * Lazy widget form endpoint and admin-only assets.
 */
final class AdminFormController {
	public const AJAX_ACTION = 'aksrt_widget_form';
	private const NONCE_ACTION = 'aksrt_widget_form';

	public static function register_hooks(): void {
		add_action('wp_ajax_' . self::AJAX_ACTION, [self::class, 'ajax_form']);
		add_action('admin_enqueue_scripts', [self::class, 'enqueue']);
		add_action('customize_controls_enqueue_scripts', [self::class, 'enqueue']);
	}

	public static function enqueue(): void {
		$screen = function_exists('get_current_screen') ? get_current_screen() : null;
		$is_customizer = current_filter() === 'customize_controls_enqueue_scripts';
		if (!$is_customizer && (!$screen || !in_array($screen->id, ['widgets', 'customize'], true))) {
			return;
		}
		wp_enqueue_media();
		wp_enqueue_style('wp-color-picker');
		wp_enqueue_script('jquery-ui-sortable');
		wp_enqueue_style('aksrt-widget-admin', AKSRT_URI . '/assets/widgets/admin.css', ['wp-color-picker'], AKSRT_VERSION);
		wp_enqueue_style('aksrt-widget-preview', AKSRT_URI . '/assets/widgets/frontend.css', [], AKSRT_VERSION);
		aksrt_icon_picker_assets(['wp-color-picker']);
		wp_enqueue_script('aksrt-widget-admin-core', AKSRT_URI . '/assets/widgets/admin-core.js', [], AKSRT_VERSION, true);
		wp_enqueue_script('aksrt-widget-admin', AKSRT_URI . '/assets/widgets/admin.js', ['jquery', 'jquery-ui-sortable', 'wp-color-picker', 'aksrt-widget-admin-core'], AKSRT_VERSION, true);
		wp_enqueue_script('aksrt-widget-admin-transfer', AKSRT_URI . '/assets/widgets/admin-transfer.js', ['jquery', 'aksrt-widget-admin'], AKSRT_VERSION, true);
		wp_localize_script('aksrt-widget-admin', 'aksrtWidgetAdmin', [
			'ajaxUrl' => admin_url('admin-ajax.php'),
			'action'  => self::AJAX_ACTION,
			'nonce'   => wp_create_nonce(self::NONCE_ACTION),
			'transferNonce' => wp_create_nonce(TransferController::NONCE),
			'i18n'    => self::i18n(),
		]);
	}

	/** @return array<string,string> */
	private static function i18n(): array {
		return [
			'loading'              => __('正在加载模块配置…', 'aksrt'),
			'error'                => __('加载失败，请刷新页面后重试', 'aksrt'),
			'confirmImportReplace' => __('将覆盖当前容器中已有的全部模块，导入内容将替换该侧栏；确定继续？', 'aksrt'),
			'confirmImportAppend'  => __('将在当前容器已有模块列表末尾追加导入内容，不会删除原有模块；确定继续？', 'aksrt'),
			'importModeLabel'      => __('导入方式', 'aksrt'),
			'importModeReplace'    => __('覆盖（替换现有）', 'aksrt'),
			'importModeAppend'     => __('追加（保留现有）', 'aksrt'),
			'loadingExport'        => __('正在生成 JSON…', 'aksrt'),
			'loadingImport'        => __('正在导入…', 'aksrt'),
			'copyDone'             => __('已复制', 'aksrt'),
			'copyFail'             => __('复制失败，请手动全选复制', 'aksrt'),
			'exportTitle'          => __('导出 JSON（可复制）', 'aksrt'),
			'importTitle'          => __('导入 JSON（粘贴后确认）', 'aksrt'),
			'importHint'           => __('将导出得到的 JSON 粘贴到下方文本框以导入。注意：不同主题版本或非同站的的模块导入后可能会出现错误，此时可以重新配置一下有错误的模块，即可恢复正常', 'aksrt'),
			'exportHint'           => __('以下为当前容器模块数据，可直接全选复制保存。', 'aksrt'),
			'close'                => __('关闭', 'aksrt'),
			'copy'                 => __('复制全部', 'aksrt'),
			'submitImport'         => __('确认导入', 'aksrt'),
			'reloadPage'           => __('刷新页面', 'aksrt'),
			'templateModalTitle'   => __('从模板导入', 'aksrt'),
			'templateHint'         => __('使用模板可快速配置网站布局，选择对应的模板点击导入即可。', 'aksrt') . '<div class="aksrt-wie-remind"><b>' . __('注意事项：', 'aksrt') . '</b>' . __('1.导入模板必须对容器位置对应，例如不能将侧边栏模板导入到全宽度中！', 'aksrt') . '<br>' . __('2.导入模板需已经有对应的内容，例如：导入文章相关的模板，那么至少已经有多篇文章和文章分类', 'aksrt') . '</div>',
			'templateLoadingList'  => __('正在加载模板列表…', 'aksrt'),
			'templateEmpty'        => __('暂无可用模板。', 'aksrt'),
			'templateSubmit'       => __('导入所选模板', 'aksrt'),
			'confirmTemplate'      => __('确定导入模板「{title}」吗？导入方式：{mode}', 'aksrt'),
			'templatePick'         => __('请选择一个模板。', 'aksrt'),
			'exportFailed'         => __('导出失败', 'aksrt'),
			'importSuccess'        => __('导入成功', 'aksrt'),
			'importFailed'         => __('导入失败', 'aksrt'),
			'pasteJsonFirst'       => __('请先粘贴 JSON', 'aksrt'),
			'exportModules'        => __('导出模块', 'aksrt'),
			'importModules'        => __('导入模块', 'aksrt'),
			'importTemplate'       => __('模板导入', 'aksrt'),
			'removeModule'         => __('移出模块', 'aksrt'),
			'networkError'         => __('网络错误，请刷新页面后重试', 'aksrt'),
		];
	}

	public static function ajax_form(): void {
		check_ajax_referer(self::NONCE_ACTION, 'nonce');
		if (!current_user_can('edit_theme_options')) {
			wp_send_json_error(['message' => __('权限不足。', 'aksrt')], 403);
		}

		$id_base = isset($_POST['id_base']) ? sanitize_key(wp_unslash($_POST['id_base'])) : '';
		$number  = isset($_POST['widget_number']) ? absint($_POST['widget_number']) : 0;
		$definition = WidgetRegistry::get_by_id_base($id_base);
		if (!$definition || $number < 1) {
			wp_send_json_error(['message' => __('无效的小工具实例。', 'aksrt')], 400);
		}

		$widget = new SchemaWidget($definition);
		$widget->_set($number);
		$settings = $widget->get_settings();
		$instance = isset($settings[$number]) && is_array($settings[$number]) ? $settings[$number] : [];
		$instance = apply_filters('widget_form_callback', $instance, $widget);
		if (!is_array($instance)) {
			$instance = [];
		}
		ob_start();
		$widget->render_full_form($instance);
		$html = (string) ob_get_clean();
		wp_send_json_success(['html' => $html]);
	}
}