TF社区维护版】 * * @package Menu Tree * @author BeaconFire,Melon * @version 0.1.2 * @link https://github.com/typecho-fans/plugins/tree/master/MenuTree */ // 使用方法： // 在文章某处地方加上，程序会把这个注释替换成目录树 // 样式： // .index-menu 整个目录 // .index-menu-list 列表 ul // .index-menu-item 每个目录项 li // .index-menu-link 目录项连接 a // 独立模式下需要在主题模板中调用：$this->treeMenu(); class MenuTree_Plugin implements Typecho_Plugin_Interface { /** * 索引ID */ public static $id = 1; public static $pattern = '/(<|<)!--\s*index-menu\s*--(>|>)/i'; /** * 标题匹配模式 */ public static $patternTitle = '/]*>.*?<\/h\1>/s'; /** * 目录树 */ public static $tree = array(); /** * 激活插件方法,如果激活失败,直接抛出异常 * * @access public * @return void */ public static function activate() { Typecho_Plugin::factory('admin/write-post.php')->bottom = array('MenuTree_Plugin', 'render'); Typecho_Plugin::factory('admin/write-page.php')->bottom = array('MenuTree_Plugin', 'render'); Typecho_Plugin::factory('Widget_Abstract_Contents')->contentEx = array('MenuTree_Plugin', 'contentEx'); Typecho_Plugin::factory('Widget_Abstract_Contents')->excerptEx = array('MenuTree_Plugin', 'excerptEx'); Typecho_Plugin::factory('Widget_Archive')->___treeMenu = array('MenuTree_Plugin', 'treeMenu'); } /** * 禁用插件方法,如果禁用失败,直接抛出异常 * * @static * @access public * @return void */ public static function deactivate() { //do nothing } /** * 获取插件配置面板 * * @access public * @param Typecho_Widget_Helper_Form $form 配置面板 * @return void */ public static function config(Typecho_Widget_Helper_Form $form) { $type = new Typecho_Widget_Helper_Form_Element_Checkbox('switch', array('normal' => _t('嵌入模式'), 'single' => _t('独立模式')), array('normal'), _t('显示模式')); $form->addInput($type); } /** * 个人用户的配置面板 * * @access public * @param Typecho_Widget_Helper_Form $form * @return void */ public static function personalConfig(Typecho_Widget_Helper_Form $form) { //do nothing } /** * 列表页忽略目录生成标记 * * @access public * @return string */ public static function excerptEx($html, $widget, $lastResult) { return self::rmMenuTag($html); } /** * 内容页构造索引目录 * * @access public * @return string * @throws Typecho_Plugin_Exception */ public static function contentEx($html, $widget, $lastResult) { $html = empty($lastResult) ? $html : $lastResult; $options = Helper::options()->plugin('MenuTree'); /**开关判断*/ if (!is_null($options->switch) && (in_array('single', $options->switch) or in_array('normal', $options->switch))) { $html = preg_replace_callback(self::$patternTitle, array('MenuTree_Plugin', 'parseCallback'), $html); if (in_array('normal', $options->switch)) { $html = preg_replace(self::$pattern, '
' . self::buildMenuHtml(self::$tree) . '
', $html); } else { $html = self::rmMenuTag($html); } self::$id = 1; self::$tree = array(); return $html; } $html = self::rmMenuTag($html); return $html; } /** * 构造独立的索引目录 * * @param $archive * @return string * @throws Typecho_Plugin_Exception */ public static function treeMenu($archive) { $options = Helper::options()->plugin('MenuTree'); if (is_null($options->switch) || !in_array('single', $options->switch)) { return ''; } preg_replace_callback(self::$patternTitle, array('MenuTree_Plugin', 'parseCallback'), $archive->content); $result = '
' . self::buildMenuHtml(self::$tree) . '
'; self::$id = 1; self::$tree = array(); return $result; } /** * 解析 * * @access public * @param array $match 解析值 * @return string */ public static function parseCallback($match) { $parent = &self::$tree; $html = $match[0]; $n = $match[1]; $menu = array( 'num' => $n, 'title' => trim(strip_tags($html)), 'id' => 'menu_index_' . self::$id, 'sub' => array() ); $current = array(); if ($parent) { $current = &$parent[count($parent) - 1]; } // 根 if (!$parent || (isset($current['num']) && $n <= $current['num'])) { $parent[] = $menu; } else { while (is_array($current['sub'])) { // 父子关系 if ($current['num'] == $n - 1) { $current['sub'][] = $menu; break; } // 后代关系，并存在子菜单 elseif ($current['num'] < $n && $current['sub']) { $current = &$current['sub'][count($current['sub']) - 1]; } // 后代关系，不存在子菜单 else { for ($i = 0; $i < $n - $current['num']; $i++) { $current['sub'][] = array( 'num' => $current['num'] + 1, 'sub' => array() ); $current = &$current['sub'][0]; } $current['sub'][] = $menu; break; } } } self::$id++; return "" . $html; } /** * 构建目录树，生成索引 * * @access public * @param $tree * @param bool $include * @return string */ public static function buildMenuHtml($tree, $include = true) { $menuHtml = ''; foreach ($tree as $menu) { /**默认给第一个链接添加class: .current */ $current = ($menu['id'] == 'menu_index_1') ? 'current' : ''; if (!isset($menu['id']) && $menu['sub']) { $menuHtml .= self::buildMenuHtml($menu['sub'], false); } elseif ($menu['sub']) { $menuHtml .= "
  • {$menu['title']}" . self::buildMenuHtml($menu['sub']) . "
    • "; } else { $menuHtml .= "
  • {$menu['title']}
    • "; } } if ($include) { $menuHtml = ''; } return $menuHtml; } /** * 删除文章中的菜单标记注释 * * @param $html * @return string|string[]|null */ public static function rmMenuTag($html) { $html = preg_replace(self::$pattern, '', $html); return $html; } /** * 编辑器插入短代码功能。 * @access public * @return void */ public static function render(){ ?>