widget_class.php
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<?php
/**
* Tiny - A PHP Framework For Web Artisans
* @author Tiny <tinylofty@gmail.com>
* @copyright Copyright(c) 2010-2014 http://www.tinyrise.com All rights reserved
* @version 1.0
*/
/**
* 插件类
*
* @author Tiny
* @class Widget
*/
class Widget extends Object
{
protected $encoding='UTF-8';
public $cache;
public $cacheTime;
private $action;
private $id;
/**
* 构造函数
*
* @access public
* @param string $id
* @return mixed
*/
public function __construct($id='widget')
{
$this->id = $id;
}
/**
* 初始化
*
* @access public
* @return mixed
*/
public function init()
{
}
/**
* 执行函数
*
* @access public
* @return mixed
*/
public function run()
{
$method = $this->getAction();
$args = $this->args;
if($this->cache == "true"){
$cache = CacheFactory::getInstance();
$content = $cache->get($method.$args);
if($content===null){
ob_start();
ob_implicit_flush(false);
$this->doMethod($method,$args);
$content = ob_get_clean();
$cache->set($method.$args,$content,intval($this->cacheTime));
}
echo $content;
}
else $this->doMethod($method,$args);
}
/**
* 执行方法
*
* @access global
* @param mixed $method
* @param mixed $args
* @return mixed
*/
function doMethod($method,$args)
{
if(method_exists($this,$method)){
if($args===null)$this->$method();
else $this->$method($args);
}
else{
$className = $this->id;
$this->renderFile("$className/$method",$this->output);
}
}
/**
* 设置action
*
* @access public
* @param mixed $action
* @return mixed
*/
public function setAction($action)
{
$this->action = $action;
}
/**
* 取得action
*
* @access public
* @return mixed
*/
public function getAction()
{
if($this->action===null){
$action = Req::args('act')==null?'index':Req::args('act');
$this->setAction($action);
}
return $this->action;
}
/**
* 取得ID
*
* @access public
* @return mixed
*/
public function getId()
{
return $this->id;
}
/**
* 取得视图文件
*
* @access public
* @param mixed $viewName
* @return mixed
*/
public function getViewFile($viewName)
{
if(($theme = Tiny::app()->getTheme())!==null){
$viewFile = $theme->getBasePath().DIRECTORY_SEPARATOR.'widgets'.DIRECTORY_SEPARATOR.$viewName.'.html';
if(file_exists($viewFile))return $viewFile;
}
return APP_CODE_ROOT.'widgets/'.$viewName.'.html';
}
/**
* 渲染视图
*
* @access public
* @param mixed $viewFile
* @param bool $return
* @return mixed
*/
public function renderFile($viewFile,$return=false)
{
$content=$this->renderInternal($viewFile,$return);
return $content;
}
/**
* 渲染
*
* @access public
* @param mixed $viewFile
* @param bool $return
* @return mixed
*/
public function renderInternal($viewFile,$return=false)
{
$data = $this->properties;
if(is_array($data)){
extract($data,EXTR_PREFIX_SAME,'data');
}
$tplfile = $this->getViewFile($viewFile);
if(file_exists($tplfile)){
$runfile= Tiny::app()->getRuntimePath().DIRECTORY_SEPARATOR.'widgets/'.$viewFile.'.php';
if(!file_exists($runfile) || filemtime($runfile)<filemtime($tplfile)){
$file = new File($runfile,'w+');
$template = $file->getContents($tplfile);
$t = new Tag();
$tem = $t->resolve($template);
$file->write($tem);
}
header("Content-type: text/html; charset=".$this->encoding);
if($return){
ob_start();
ob_implicit_flush(false);
require($runfile);
return ob_get_clean();
}
else
require($runfile);
}
else
{
/**
if($this->id != Tiny::app()->getId()){
trigger_error("{$this->id}Widget->{$this->getAction()}() not exists",E_USER_ERROR);
}
**/
//Tiny::msg('','无法找到请求的页面',404);
return ;
}
}
/**
* 创建插件
*
* @access public
* @param mixed $className
* @return mixed
*/
public static function createWidget($className)
{
$classWidget = ucfirst($className);
$classWidget .='Widget';
if(class_exists($classWidget)) return new $classWidget($className);
else return new Widget(strtolower($className));
}
/**
* 共享数据的赋值，提供于Widget视图使用
*
* @access public
* @param mixed $name
* @param mixed $value
*/
public function assign($name,$value=null)
{
if(is_string($name))$this->properties[$name]=$value;
else if(is_array($name)){
$this->properties += $name;
}
}
}