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335 lines
11 KiB
335 lines
11 KiB
<?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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