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LinRuiqi
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wp-gray-dates.php
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225
wp-gray-dates.php
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<?php
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/**
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* Plugin Name: WP Gray Dates
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* Plugin URI:
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* Description: 在设定的特定日期（月-日）自动将网站变为灰色，每年的这些日期都会自动变灰。
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* Version: 1.0.0
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* Author: 林海草原
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* Author URI: https://lhcy.org
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* License: GPL-2.0+
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* License URI: http://www.gnu.org/licenses/gpl-2.0.txt
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* Text Domain: wp-gray-dates
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*/
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// 如果直接访问此文件，则中止执行
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if (!defined('ABSPATH')) {
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exit;
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}
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class WP_Gray_Dates {
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/**
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* 插件实例
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*/
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private static $instance = null;
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/**
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* 获取插件实例
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*/
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public static function get_instance() {
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if (null === self::$instance) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* 构造函数
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*/
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private function __construct() {
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// 添加激活和卸载钩子
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register_activation_hook(__FILE__, array($this, 'activate'));
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register_deactivation_hook(__FILE__, array($this, 'deactivate'));
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register_uninstall_hook(__FILE__, array('WP_Gray_Dates', 'uninstall'));
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// 添加管理菜单
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add_action('admin_menu', array($this, 'add_admin_menu'));
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// 添加设置链接
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add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($this, 'add_settings_link'));
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// 添加前端样式
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add_action('wp_head', array($this, 'maybe_add_gray_style'));
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// 添加管理页面的样式和脚本
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add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_assets'));
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}
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/**
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* 插件激活时执行
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*/
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public function activate() {
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// 创建默认选项
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$default_options = array(
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'gray_dates' => array()
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);
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add_option('wp_gray_dates_options', $default_options);
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}
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/**
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* 插件停用时执行
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*/
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public function deactivate() {
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// 停用时不删除数据
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}
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/**
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* 插件卸载时执行
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*/
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public static function uninstall() {
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// 删除所有插件数据
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delete_option('wp_gray_dates_options');
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}
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/**
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* 添加管理菜单
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*/
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public function add_admin_menu() {
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add_options_page(
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'灰色日期设置',
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'灰色日期',
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'manage_options',
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'wp-gray-dates',
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array($this, 'render_admin_page')
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);
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}
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/**
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* 添加设置链接
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*/
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public function add_settings_link($links) {
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$settings_link = '<a href="options-general.php?page=wp-gray-dates">' . __('设置', 'wp-gray-dates') . '</a>';
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array_unshift($links, $settings_link);
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return $links;
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}
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/**
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* 加载管理页面的样式和脚本
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*/
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public function enqueue_admin_assets($hook) {
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if ('settings_page_wp-gray-dates' !== $hook) {
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return;
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}
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wp_enqueue_style('jquery-ui-datepicker');
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wp_enqueue_script('jquery-ui-datepicker');
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// 添加自定义脚本
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wp_enqueue_script(
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'wp-gray-dates-admin',
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plugins_url('js/admin.js', __FILE__),
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array('jquery', 'jquery-ui-datepicker'),
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'1.0.0',
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true
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);
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// 添加自定义样式
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wp_enqueue_style(
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'wp-gray-dates-admin',
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plugins_url('css/admin.css', __FILE__),
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array(),
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'1.0.0'
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);
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// 本地化脚本
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wp_localize_script('wp-gray-dates-admin', 'wpGrayDates', array(
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'ajaxUrl' => admin_url('admin-ajax.php'),
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'nonce' => wp_create_nonce('wp-gray-dates-nonce'),
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));
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}
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/**
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* 渲染管理页面
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*/
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public function render_admin_page() {
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// 检查用户权限
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if (!current_user_can('manage_options')) {
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return;
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}
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// 保存设置
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if (isset($_POST['wp_gray_dates_save']) && check_admin_referer('wp_gray_dates_nonce')) {
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$this->save_settings();
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}
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// 获取当前设置
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$options = get_option('wp_gray_dates_options', array('gray_dates' => array()));
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$gray_dates = $options['gray_dates'];
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// 包含管理页面模板
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include plugin_dir_path(__FILE__) . 'templates/admin-page.php';
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}
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/**
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* 保存设置
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*/
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private function save_settings() {
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$options = array();
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// 处理日期数据
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$options['gray_dates'] = array();
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if (isset($_POST['gray_dates']) && is_array($_POST['gray_dates'])) {
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foreach ($_POST['gray_dates'] as $date) {
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if (!empty($date)) {
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// 确保日期格式为 MM-DD
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$date = sanitize_text_field($date);
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// 验证日期格式
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if (preg_match('/^\d{2}-\d{2}$/', $date)) {
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$options['gray_dates'][] = $date;
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}
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}
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}
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}
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// 更新选项
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update_option('wp_gray_dates_options', $options);
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// 添加成功消息
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add_settings_error(
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'wp_gray_dates_messages',
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'wp_gray_dates_message',
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__('设置已保存。', 'wp-gray-dates'),
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'updated'
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);
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}
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/**
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* 检查当前日期是否应该应用灰色样式
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*/
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public function maybe_add_gray_style() {
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$options = get_option('wp_gray_dates_options', array('gray_dates' => array()));
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$gray_dates = $options['gray_dates'];
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$today = date('m-d');
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if (in_array($today, $gray_dates)) {
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echo '<style>
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html {
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filter: grayscale(100%);
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-webkit-filter: grayscale(100%);
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-moz-filter: grayscale(100%);
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-ms-filter: grayscale(100%);
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-o-filter: grayscale(100%);
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}
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</style>';
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}
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}
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}
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// 初始化插件
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function wp_gray_dates_init() {
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WP_Gray_Dates::get_instance();
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}
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add_action('plugins_loaded', 'wp_gray_dates_init');
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