contentEx = array('Links_Plugin', 'parse');
Typecho_Plugin::factory('Widget_Abstract_Contents')->excerptEx = array('Links_Plugin', 'parse');
Typecho_Plugin::factory('Widget_Abstract_Comments')->contentEx = array('Links_Plugin', 'parse');
return _t($info);
}
/**
* 禁用插件方法,如果禁用失败,直接抛出异常
*
* @static
* @access public
* @return void
* @throws Typecho_Plugin_Exception
*/
public static function deactivate()
{
Helper::removeAction('links-edit');
Helper::removePanel(3, 'Links/manage-links.php');
}
/**
* 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) {}
/**
* 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) {}
public static function linksInstall()
{
$installDb = Typecho_Db::get();
$type = explode('_', $installDb->getAdapterName());
$type = array_pop($type);
$prefix = $installDb->getPrefix();
$scripts = file_get_contents('usr/plugins/Links/'.$type.'.sql');
$scripts = str_replace('typecho_', $prefix, $scripts);
$scripts = str_replace('%charset%', 'utf8', $scripts);
$scripts = explode(';', $scripts);
try {
foreach ($scripts as $script) {
$script = trim($script);
if ($script) {
$installDb->query($script, Typecho_Db::WRITE);
}
}
return '建立友情链接数据表，插件启用成功';
} catch (Exception $e) {
print_r($e);
$code = $e->getCode();
if(('Mysql' == $type || 1050 == $code) ||
('SQLite' == $type && ('HY000' == $code || 1 == $code))) {
try {
$script = 'SELECT `lid`, `name`, `url`, `sort`, `image`, `description`, `user`, `order` from `' . $prefix . 'links`';
$installDb->query($script, Typecho_Db::READ);
return '检测到友情链接数据表，友情链接插件启用成功';
} catch (Typecho_Db_Exception $e) {
$code = $e->getCode();
if(('Mysql' == $type && 1054 == $code) ||
('SQLite' == $type && ('HY000' == $code || 1 == $code))) {
return Links_Plugin::linksUpdate($installDb, $type, $prefix);
}
throw new Typecho_Plugin_Exception('数据表检测失败，友情链接插件启用失败。错误号：'.$code);
}
} else {
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：'.$code);
}
}
}
public static function linksUpdate($installDb, $type, $prefix)
{
$scripts = file_get_contents('usr/plugins/Links/Update_'.$type.'.sql');
$scripts = str_replace('typecho_', $prefix, $scripts);
$scripts = str_replace('%charset%', 'utf8', $scripts);
$scripts = explode(';', $scripts);
try {
foreach ($scripts as $script) {
$script = trim($script);
if ($script) {
$installDb->query($script, Typecho_Db::WRITE);
}
}
return '检测到旧版本友情链接数据表，升级成功';
} catch (Typecho_Db_Exception $e) {
$code = $e->getCode();
if(('Mysql' == $type && 1060 == $code) ) {
return '友情链接数据表已经存在，插件启用成功';
}
throw new Typecho_Plugin_Exception('友情链接插件启用失败。错误号：'.$code);
}
}
public static function form($action = NULL)
{
/** 构建表格 */
$options = Typecho_Widget::widget('Widget_Options');
$form = new Typecho_Widget_Helper_Form(Typecho_Common::url('/action/links-edit', $options->index),
Typecho_Widget_Helper_Form::POST_METHOD);
/** 链接名称 */
$name = new Typecho_Widget_Helper_Form_Element_Text('name', NULL, NULL, _t('链接名称*'));
$form->addInput($name);
/** 链接地址 */
$url = new Typecho_Widget_Helper_Form_Element_Text('url', NULL, "http://", _t('链接地址*'));
$form->addInput($url);
/** 链接分类 */
$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'));
$form->addInput($sort);
/** 链接图片 */
$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'));
$form->addInput($image);
/** 链接描述 */
$description = new Typecho_Widget_Helper_Form_Element_Textarea('description', NULL, NULL, _t('链接描述'));
$form->addInput($description);
/** 自定义数据 */
$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'));
$form->addInput($user);
/** 链接动作 */
$do = new Typecho_Widget_Helper_Form_Element_Hidden('do');
$form->addInput($do);
/** 链接主键 */
$lid = new Typecho_Widget_Helper_Form_Element_Hidden('lid');
$form->addInput($lid);
/** 提交按钮 */
$submit = new Typecho_Widget_Helper_Form_Element_Submit();
$submit->input->setAttribute('class', 'btn primary');
$form->addItem($submit);
$request = Typecho_Request::getInstance();
if (isset($request->lid) && 'insert' != $action) {
/** 更新模式 */
$db = Typecho_Db::get();
$prefix = $db->getPrefix();
$link = $db->fetchRow($db->select()->from($prefix.'links')->where('lid = ?', $request->lid));
if (!$link) {
throw new Typecho_Widget_Exception(_t('链接不存在'), 404);
}
$name->value($link['name']);
$url->value($link['url']);
$sort->value($link['sort']);
$image->value($link['image']);
$description->value($link['description']);
$user->value($link['user']);
$do->value('update');
$lid->value($link['lid']);
$submit->value(_t('编辑链接'));
$_action = 'update';
} else {
$do->value('insert');
$submit->value(_t('增加链接'));
$_action = 'insert';
}
if (empty($action)) {
$action = $_action;
}
/** 给表单增加规则 */
if ('insert' == $action || 'update' == $action) {
$name->addRule('required', _t('必须填写链接名称'));
$url->addRule('required', _t('必须填写链接地址'));
$url->addRule('url', _t('不是一个合法的链接地址'));
$image->addRule('url', _t('不是一个合法的图片地址'));
}
if ('update' == $action) {
$lid->addRule('required', _t('链接主键不存在'));
$lid->addRule(array(new Links_Plugin, 'LinkExists'), _t('链接不存在'));
}
return $form;
}
public static function LinkExists($lid)
{
$db = Typecho_Db::get();
$prefix = $db->getPrefix();
$link = $db->fetchRow($db->select()->from($prefix.'links')->where('lid = ?', $lid)->limit(1));
return $link ? true : false;
}
/**
* 控制输出格式
*/
public static function output_str($pattern=NULL, $links_num=0, $sort=NULL)
{
$options = Typecho_Widget::widget('Widget_Options');
if (!isset($options->plugins['activated']['Links'])) {
return '友情链接插件未激活';
}
if (!isset($pattern) || $pattern == "" || $pattern == NULL || $pattern == "SHOW_TEXT") {
$pattern = "{name}\n";
} else if ($pattern == "SHOW_IMG") {
$pattern = "![\"{name}\"](\"{image}\")
\n";
} else if ($pattern == "SHOW_MIX") {
$pattern = "{name}\n";
}
$db = Typecho_Db::get();
$prefix = $db->getPrefix();
$options = Typecho_Widget::widget('Widget_Options');
$nopic_url = Typecho_Common::url('/usr/plugins/Links/nopic.jpg', $options->siteUrl);
$sql = $db->select()->from($prefix.'links');
if (!isset($sort) || $sort == "") {
$sort = NULL;
}
if ($sort) {
$sql = $sql->where('sort=?', $sort);
}
$sql = $sql->order($prefix.'links.order', Typecho_Db::SORT_ASC);
$links_num = intval($links_num);
if ($links_num > 0) {
$sql = $sql->limit($links_num);
}
$links = $db->fetchAll($sql);
$str = "";
foreach ($links as $link) {
if ($link['image'] == NULL) {
$link['image'] = $nopic_url;
}
$str .= str_replace(
array('{lid}', '{name}', '{url}', '{sort}', '{title}', '{description}', '{image}', '{user}'),
array($link['lid'], $link['name'], $link['url'], $link['sort'], $link['description'], $link['description'], $link['image'], $link['user']),
$pattern
);
}
return $str;
}
//输出
public static function output($pattern=NULL, $links_num=0, $sort=NULL)
{
echo Links_Plugin::output_str($pattern, $links_num, $sort);
}
/**
* 解析
*
* @access public
* @param array $matches 解析值
* @return string
*/
public static function parseCallback($matches)
{
$db = Typecho_Db::get();
$pattern = $matches[3];
$links_num = $matches[1];
$sort = $matches[2];
return Links_Plugin::output_str($pattern, $links_num, $sort);
}
public static function parse($text, $widget, $lastResult)
{
$text = empty($lastResult) ? $text : $lastResult;
if ($widget instanceof Widget_Archive || $widget instanceof Widget_Abstract_Comments) {
return preg_replace_callback("/\s*(.*?)\s*<\/links>/is", array('Links_Plugin', 'parseCallback'), $text);
} else {
return $text;
}
}
}