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336 lines
11 KiB
336 lines
11 KiB
5 years ago
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<?php
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/**
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* 友情链接插件
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*
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* @package Links
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* @author Hanny
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* @version 1.1.2
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* @dependence 14.10.10-*
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* @link http://www.imhan.com
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*
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* 历史版本
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* version 1.1.1 at 2014-12-14
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* 修改支持Typecho 1.0
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* 修正Typecho 1.0下不能删除的BUG
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*
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* version 1.1.0 at 2013-12-08
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* 修改支持Typecho 0.9
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* version 1.0.4 at 2010-06-30
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* 修正数据表的前缀问题
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* 在Pattern里加上所有的数据表字段
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* version 1.0.3 at 2010-06-20
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* 修改图片链接的支持方式。
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* 增加链接分类功能
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* 增加自定义字段,以便用户自定义扩展
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* 增加多种链接输出方式。
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* 增加较详细的帮助文档
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* 增加在自定义页面引用标签,方便友情链接页面的引用
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*
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* version 1.0.2 at 2010-05-16
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* 增加SQLite支持
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*
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* version 1.0.1 at 2009-12-27
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* 增加显示链接描述
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* 增加首页链接数量限制功能
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* 增加图片链接功能
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* version 1.0.0 at 2009-12-12
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* 实现友情链接的基本功能
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* 包括: 添加 删除 修改 排序
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*/
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class Links_Plugin implements Typecho_Plugin_Interface
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{
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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 string
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* @throws Typecho_Plugin_Exception
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*/
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public static function activate()
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{
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$info = Links_Plugin::linksInstall();
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Helper::addPanel(3, 'Links/manage-links.php', '友情链接', '管理友情链接', 'administrator');
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Helper::addAction('links-edit', 'Links_Action');
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Typecho_Plugin::factory('Widget_Abstract_Contents')->contentEx = array('Links_Plugin', 'parse');
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Typecho_Plugin::factory('Widget_Abstract_Contents')->excerptEx = array('Links_Plugin', 'parse');
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Typecho_Plugin::factory('Widget_Abstract_Comments')->contentEx = array('Links_Plugin', 'parse');
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return _t($info);
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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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* @throws Typecho_Plugin_Exception
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*/
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public static function deactivate()
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{
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Helper::removeAction('links-edit');
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Helper::removePanel(3, 'Links/manage-links.php');
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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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* 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 $form) {}
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public static function linksInstall()
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{
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$installDb = Typecho_Db::get();
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$type = explode('_', $installDb->getAdapterName());
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$type = array_pop($type);
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$prefix = $installDb->getPrefix();
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$scripts = file_get_contents('usr/plugins/Links/'.$type.'.sql');
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$scripts = str_replace('typecho_', $prefix, $scripts);
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$scripts = str_replace('%charset%', 'utf8', $scripts);
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$scripts = explode(';', $scripts);
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try {
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foreach ($scripts as $script) {
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$script = trim($script);
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if ($script) {
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$installDb->query($script, Typecho_Db::WRITE);
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}
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}
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return '建立友情链接数据表,插件启用成功';
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} catch (Exception $e) {
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print_r($e);
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$code = $e->getCode();
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if(('Mysql' == $type || 1050 == $code) ||
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('SQLite' == $type && ('HY000' == $code || 1 == $code))) {
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try {
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$script = 'SELECT `lid`, `name`, `url`, `sort`, `image`, `description`, `user`, `order` from `' . $prefix . 'links`';
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$installDb->query($script, Typecho_Db::READ);
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return '检测到友情链接数据表,友情链接插件启用成功';
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} catch (Typecho_Db_Exception $e) {
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$code = $e->getCode();
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if(('Mysql' == $type && 1054 == $code) ||
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('SQLite' == $type && ('HY000' == $code || 1 == $code))) {
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return Links_Plugin::linksUpdate($installDb, $type, $prefix);
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}
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throw new Typecho_Plugin_Exception('数据表检测失败,友情链接插件启用失败。错误号:'.$code);
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}
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} else {
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throw new Typecho_Plugin_Exception('数据表建立失败,友情链接插件启用失败。错误号:'.$code);
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}
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}
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}
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public static function linksUpdate($installDb, $type, $prefix)
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{
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$scripts = file_get_contents('usr/plugins/Links/Update_'.$type.'.sql');
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$scripts = str_replace('typecho_', $prefix, $scripts);
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$scripts = str_replace('%charset%', 'utf8', $scripts);
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$scripts = explode(';', $scripts);
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try {
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foreach ($scripts as $script) {
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$script = trim($script);
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if ($script) {
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$installDb->query($script, Typecho_Db::WRITE);
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}
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}
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return '检测到旧版本友情链接数据表,升级成功';
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} catch (Typecho_Db_Exception $e) {
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$code = $e->getCode();
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if(('Mysql' == $type && 1060 == $code) ) {
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return '友情链接数据表已经存在,插件启用成功';
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}
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throw new Typecho_Plugin_Exception('友情链接插件启用失败。错误号:'.$code);
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}
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}
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public static function form($action = NULL)
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{
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/** 构建表格 */
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$options = Typecho_Widget::widget('Widget_Options');
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$form = new Typecho_Widget_Helper_Form(Typecho_Common::url('/action/links-edit', $options->index),
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Typecho_Widget_Helper_Form::POST_METHOD);
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/** 链接名称 */
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$name = new Typecho_Widget_Helper_Form_Element_Text('name', NULL, NULL, _t('链接名称*'));
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$form->addInput($name);
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/** 链接地址 */
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$url = new Typecho_Widget_Helper_Form_Element_Text('url', NULL, "http://", _t('链接地址*'));
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$form->addInput($url);
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/** 链接分类 */
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$sort = new Typecho_Widget_Helper_Form_Element_Text('sort', NULL, NULL, _t('链接分类'), _t('建议以英文字母开头,只包含字母与数字'));
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$form->addInput($sort);
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/** 链接图片 */
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$image = new Typecho_Widget_Helper_Form_Element_Text('image', NULL, NULL, _t('链接图片'), _t('需要以http://开头,留空表示没有链接图片'));
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$form->addInput($image);
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/** 链接描述 */
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$description = new Typecho_Widget_Helper_Form_Element_Textarea('description', NULL, NULL, _t('链接描述'));
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$form->addInput($description);
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/** 自定义数据 */
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$user = new Typecho_Widget_Helper_Form_Element_Text('user', NULL, NULL, _t('自定义数据'), _t('该项用于用户自定义数据扩展'));
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$form->addInput($user);
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/** 链接动作 */
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$do = new Typecho_Widget_Helper_Form_Element_Hidden('do');
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$form->addInput($do);
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/** 链接主键 */
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$lid = new Typecho_Widget_Helper_Form_Element_Hidden('lid');
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$form->addInput($lid);
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/** 提交按钮 */
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$submit = new Typecho_Widget_Helper_Form_Element_Submit();
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$submit->input->setAttribute('class', 'btn primary');
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$form->addItem($submit);
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$request = Typecho_Request::getInstance();
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if (isset($request->lid) && 'insert' != $action) {
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/** 更新模式 */
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$db = Typecho_Db::get();
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$prefix = $db->getPrefix();
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$link = $db->fetchRow($db->select()->from($prefix.'links')->where('lid = ?', $request->lid));
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if (!$link) {
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throw new Typecho_Widget_Exception(_t('链接不存在'), 404);
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}
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$name->value($link['name']);
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$url->value($link['url']);
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$sort->value($link['sort']);
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$image->value($link['image']);
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$description->value($link['description']);
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$user->value($link['user']);
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$do->value('update');
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$lid->value($link['lid']);
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$submit->value(_t('编辑链接'));
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$_action = 'update';
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} else {
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$do->value('insert');
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$submit->value(_t('增加链接'));
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$_action = 'insert';
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}
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if (empty($action)) {
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$action = $_action;
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}
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/** 给表单增加规则 */
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if ('insert' == $action || 'update' == $action) {
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$name->addRule('required', _t('必须填写链接名称'));
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$url->addRule('required', _t('必须填写链接地址'));
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$url->addRule('url', _t('不是一个合法的链接地址'));
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$image->addRule('url', _t('不是一个合法的图片地址'));
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}
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if ('update' == $action) {
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$lid->addRule('required', _t('链接主键不存在'));
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$lid->addRule(array(new Links_Plugin, 'LinkExists'), _t('链接不存在'));
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}
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return $form;
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}
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public static function LinkExists($lid)
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{
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$db = Typecho_Db::get();
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$prefix = $db->getPrefix();
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$link = $db->fetchRow($db->select()->from($prefix.'links')->where('lid = ?', $lid)->limit(1));
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return $link ? true : false;
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}
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/**
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* 控制输出格式
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*/
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public static function output_str($pattern=NULL, $links_num=0, $sort=NULL)
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{
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$options = Typecho_Widget::widget('Widget_Options');
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if (!isset($options->plugins['activated']['Links'])) {
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return '友情链接插件未激活';
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}
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if (!isset($pattern) || $pattern == "" || $pattern == NULL || $pattern == "SHOW_TEXT") {
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$pattern = "<li><a href=\"{url}\" title=\"{title}\" target=\"_blank\">{name}</a></li>\n";
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} else if ($pattern == "SHOW_IMG") {
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$pattern = "<li><a href=\"{url}\" title=\"{title}\" target=\"_blank\"><img src=\"{image}\" alt=\"{name}\" /></a></li>\n";
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} else if ($pattern == "SHOW_MIX") {
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$pattern = "<li><a href=\"{url}\" title=\"{title}\" target=\"_blank\"><img src=\"{image}\" alt=\"{name}\" /><span>{name}</span></a></li>\n";
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}
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$db = Typecho_Db::get();
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$prefix = $db->getPrefix();
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$options = Typecho_Widget::widget('Widget_Options');
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$nopic_url = Typecho_Common::url('/usr/plugins/Links/nopic.jpg', $options->siteUrl);
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$sql = $db->select()->from($prefix.'links');
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if (!isset($sort) || $sort == "") {
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$sort = NULL;
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}
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if ($sort) {
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$sql = $sql->where('sort=?', $sort);
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}
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$sql = $sql->order($prefix.'links.order', Typecho_Db::SORT_ASC);
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$links_num = intval($links_num);
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if ($links_num > 0) {
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$sql = $sql->limit($links_num);
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}
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$links = $db->fetchAll($sql);
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$str = "";
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foreach ($links as $link) {
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if ($link['image'] == NULL) {
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$link['image'] = $nopic_url;
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}
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$str .= str_replace(
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array('{lid}', '{name}', '{url}', '{sort}', '{title}', '{description}', '{image}', '{user}'),
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array($link['lid'], $link['name'], $link['url'], $link['sort'], $link['description'], $link['description'], $link['image'], $link['user']),
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$pattern
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);
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}
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return $str;
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}
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//输出
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public static function output($pattern=NULL, $links_num=0, $sort=NULL)
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{
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echo Links_Plugin::output_str($pattern, $links_num, $sort);
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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 $matches 解析值
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* @return string
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*/
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public static function parseCallback($matches)
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{
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$db = Typecho_Db::get();
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$pattern = $matches[3];
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$links_num = $matches[1];
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$sort = $matches[2];
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return Links_Plugin::output_str($pattern, $links_num, $sort);
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}
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public static function parse($text, $widget, $lastResult)
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{
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$text = empty($lastResult) ? $text : $lastResult;
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if ($widget instanceof Widget_Archive || $widget instanceof Widget_Abstract_Comments) {
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return preg_replace_callback("/<links\s*(\d*)\s*(\w*)>\s*(.*?)\s*<\/links>/is", array('Links_Plugin', 'parseCallback'), $text);
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} else {
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return $text;
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}
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}
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}
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