293 lines
8.9 KiB
PHP
293 lines
8.9 KiB
PHP
<?php
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if (!defined('__TYPECHO_ROOT_DIR__')) exit;
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/**
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* 根据内容标题关系自动生成目录树 【<a href="https://github.com/typecho-fans/plugins" target="_blank">TF</a>社区维护版】
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*
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* @package Menu Tree
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* @author BeaconFire,Melon
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* @version 0.1.2
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* @link https://github.com/typecho-fans/plugins/tree/master/MenuTree
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*/
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// 使用方法：
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// 在文章某处地方加上<!-- index-menu -->，程序会把这个注释替换成目录树
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// 样式：
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// .index-menu 整个目录
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// .index-menu-list 列表 ul
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// .index-menu-item 每个目录项 li
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// .index-menu-link 目录项连接 a
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// 独立模式下需要在主题模板中调用：$this->treeMenu();
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class MenuTree_Plugin implements Typecho_Plugin_Interface
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{
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/**
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* 索引ID
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*/
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public static $id = 1;
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public static $pattern = '/(<|<)!--\s*index-menu\s*--(>|>)/i';
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/**
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* 标题匹配模式
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*/
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public static $patternTitle = '/<h([1-6])[^>]*>.*?<\/h\1>/s';
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/**
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* 目录树
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*/
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public static $tree = array();
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/**
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* 激活插件方法,如果激活失败,直接抛出异常
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*
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* @access public
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* @return void
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*/
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public static function activate()
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{
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Typecho_Plugin::factory('admin/write-post.php')->bottom = array('MenuTree_Plugin', 'render');
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Typecho_Plugin::factory('admin/write-page.php')->bottom = array('MenuTree_Plugin', 'render');
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Typecho_Plugin::factory('Widget_Abstract_Contents')->contentEx = array('MenuTree_Plugin', 'contentEx');
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Typecho_Plugin::factory('Widget_Abstract_Contents')->excerptEx = array('MenuTree_Plugin', 'excerptEx');
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Typecho_Plugin::factory('Widget_Archive')->___treeMenu = array('MenuTree_Plugin', 'treeMenu');
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}
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/**
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* 禁用插件方法,如果禁用失败,直接抛出异常
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*
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* @static
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* @access public
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* @return void
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*/
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public static function deactivate()
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{
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//do nothing
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}
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/**
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* 获取插件配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form 配置面板
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* @return void
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*/
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public static function config(Typecho_Widget_Helper_Form $form)
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{
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$type = new Typecho_Widget_Helper_Form_Element_Checkbox('switch',
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array('normal' => _t('嵌入模式'), 'single' => _t('独立模式')),
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array('normal'),
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_t('显示模式'));
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$form->addInput($type);
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}
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/**
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* 个人用户的配置面板
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*
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* @access public
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* @param Typecho_Widget_Helper_Form $form
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* @return void
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*/
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public static function personalConfig(Typecho_Widget_Helper_Form $form)
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{
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//do nothing
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}
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/**
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* 列表页忽略目录生成标记
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*
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* @access public
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* @return string
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*/
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public static function excerptEx($html, $widget, $lastResult)
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{
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return self::rmMenuTag($html);
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}
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/**
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* 内容页构造索引目录
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*
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* @access public
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* @return string
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* @throws Typecho_Plugin_Exception
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*/
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public static function contentEx($html, $widget, $lastResult)
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{
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$html = empty($lastResult) ? $html : $lastResult;
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$options = Helper::options()->plugin('MenuTree');
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/**开关判断*/
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if (!is_null($options->switch)
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&& (in_array('single', $options->switch) or in_array('normal', $options->switch))) {
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$html = preg_replace_callback(self::$patternTitle, array('MenuTree_Plugin', 'parseCallback'), $html);
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if (in_array('normal', $options->switch)) {
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$html = preg_replace(self::$pattern, '<div class="index-menu">' . self::buildMenuHtml(self::$tree) . '</div>', $html);
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} else {
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$html = self::rmMenuTag($html);
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}
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self::$id = 1;
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self::$tree = array();
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return $html;
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}
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$html = self::rmMenuTag($html);
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return $html;
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}
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/**
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* 构造独立的索引目录
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*
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* @param $archive
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* @return string
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* @throws Typecho_Plugin_Exception
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*/
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public static function treeMenu($archive)
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{
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$options = Helper::options()->plugin('MenuTree');
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if (is_null($options->switch) || !in_array('single', $options->switch)) {
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return '';
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}
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preg_replace_callback(self::$patternTitle, array('MenuTree_Plugin', 'parseCallback'), $archive->content);
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$result = '<div class="index-menu">' . self::buildMenuHtml(self::$tree) . '</div>';
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self::$id = 1;
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self::$tree = array();
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return $result;
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}
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/**
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* 解析
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*
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* @access public
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* @param array $match 解析值
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* @return string
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*/
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public static function parseCallback($match)
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{
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$parent = &self::$tree;
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$html = $match[0];
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$n = $match[1];
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$menu = array(
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'num' => $n,
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'title' => trim(strip_tags($html)),
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'id' => 'menu_index_' . self::$id,
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'sub' => array()
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);
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$current = array();
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if ($parent) {
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$current = &$parent[count($parent) - 1];
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}
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// 根
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if (!$parent || (isset($current['num']) && $n <= $current['num'])) {
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$parent[] = $menu;
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} else {
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while (is_array($current['sub'])) {
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// 父子关系
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if ($current['num'] == $n - 1) {
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$current['sub'][] = $menu;
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break;
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} // 后代关系，并存在子菜单
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elseif ($current['num'] < $n && $current['sub']) {
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$current = &$current['sub'][count($current['sub']) - 1];
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} // 后代关系，不存在子菜单
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else {
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for ($i = 0; $i < $n - $current['num']; $i++) {
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$current['sub'][] = array(
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'num' => $current['num'] + 1,
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'sub' => array()
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);
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$current = &$current['sub'][0];
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}
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$current['sub'][] = $menu;
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break;
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}
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}
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}
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self::$id++;
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return "<span class=\"menu-target-fix\" id=\"{$menu['id']}\" name=\"{$menu['id']}\"></span>" . $html;
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}
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/**
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* 构建目录树，生成索引
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*
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* @access public
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* @param $tree
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* @param bool $include
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* @return string
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*/
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public static function buildMenuHtml($tree, $include = true)
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{
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$menuHtml = '';
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foreach ($tree as $menu) {
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/**默认给第一个链接添加class: .current */
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$current = ($menu['id'] == 'menu_index_1') ? 'current' : '';
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if (!isset($menu['id']) && $menu['sub']) {
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$menuHtml .= self::buildMenuHtml($menu['sub'], false);
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} elseif ($menu['sub']) {
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$menuHtml .= "<li class=\"index-menu-item\"><a data-scroll class=\"index-menu-link {$current}\" href=\"#{$menu['id']}\" title=\"{$menu['title']}\">{$menu['title']}</a>" . self::buildMenuHtml($menu['sub']) . "</li>";
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} else {
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$menuHtml .= "<li class=\"index-menu-item\"><a data-scroll class=\"index-menu-link {$current}\" href=\"#{$menu['id']}\" title=\"{$menu['title']}\">{$menu['title']}</a></li>";
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}
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}
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if ($include) {
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$menuHtml = '<ul class="index-menu-list">' . $menuHtml . '</ul>';
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}
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return $menuHtml;
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}
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/**
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* 删除文章中的菜单标记注释
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*
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* @param $html
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* @return string|string[]|null
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*/
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public static function rmMenuTag($html)
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{
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$html = preg_replace(self::$pattern, '', $html);
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return $html;
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}
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/**
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* 编辑器插入短代码功能。
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* @access public
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* @return void
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*/
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public static function render(){
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?>
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<script>
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$(function(){
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var wmd = $('#wmd-image-button');
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if (wmd.length>0) {
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wmd.after(
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'<li class="wmd-button" id="wmd-mn-button" style="padding-top:5px;" title="<?php _e("插入目录树"); ?>"><img src="data:image/svg+xml,%3csvg xmlns=\'http://www.w3.org/2000/svg\' width=\'16\' height=\'16\' viewBox=\'0 0 24 24\'%3e%3cpath fill=\'%23999\' d=\'M22 18v-7h-9v-5h3v-6h-8v6h3v5h-9v7h-2v6h6v-6h-2v-5h7v5h-2v6h6v-6h-2v-5h7v5h-2v6h6v-6z\'/%3e%3c/svg%3e"/></li>');
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} else {
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$('.url-slug').after('<button type="button" id="wmd-mn-button" class="btn btn-xs" style="margin-right:5px;"><?php _e("插入目录树"); ?></button>');
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}
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$('#wmd-mn-button').click(function(){
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var textarea = $('#text'),
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mninput = '<!-- index-menu -->',
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sel = textarea.getSelection(),
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offset = (sel ? sel.start : 0)+mninput.length;
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textarea.replaceSelection(mninput);
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textarea.setSelection(offset,offset);
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});
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});
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</script>
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<?php
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}
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}
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