/sop/2.0beta1/ThinkPHP/Lib/Think/Core/Action.class.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
// $Id$

/**
 +------------------------------------------------------------------------------
 * ThinkPHP Action????? ???
 +------------------------------------------------------------------------------
 * @category   Think
 * @package  Think
 * @subpackage  Core
 * @author   liu21st <liu21st@gmail.com>
 * @version  $Id$
 +------------------------------------------------------------------------------
 */
abstract class Action extends Think
{//?????

    // ??????
    protected $view   =  null;
    // ??Action??
    private $name =  '';

   /**
     +----------------------------------------------------------
     * ???? ????????
     +----------------------------------------------------------
     * @access public
     +----------------------------------------------------------
     */
    public function __construct()
    {
        //??????
        $this->view       = Think::instance('View');
        //??????
        if(method_exists($this,'_initialize'))
            $this->_initialize();
    }

   /**
     +----------------------------------------------------------
     * ????Action??
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     */
    protected function getActionName() {
        if(empty($this->name)) {
            // ??Action??
            $this->name     =   substr(get_class($this),0,-6);
        }
        return $this->name;
    }

    /**
     +----------------------------------------------------------
     * ??AJAX??
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @return bool
     +----------------------------------------------------------
     */
    protected function isAjax() {
        if(isset($_SERVER['HTTP_X_REQUESTED_WITH']) ) {
            if('xmlhttprequest' == strtolower($_SERVER['HTTP_X_REQUESTED_WITH']))
                return true;
        }
        if(!empty($_POST[C('VAR_AJAX_SUBMIT')]) || !empty($_GET[C('VAR_AJAX_SUBMIT')]))
            // ??Ajax????
            return true;
        return false;
    }

    /**
     +----------------------------------------------------------
     * ????
     * ??????????????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param string $templateFile ??????????
     * ???? ???????????
     * @param string $charset ????
     * @param string $contentType ????
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    protected function display($templateFile='',$charset='',$contentType='text/html')
    {
        $this->view->display($templateFile,$charset,$contentType);
    }

    /**
     +----------------------------------------------------------
     *  ????????
     * ?????????fetch???
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param string $templateFile ??????????
     * ???? ???????????
     * @param string $charset ????
     * @param string $contentType ????
     +----------------------------------------------------------
     * @return string
     +----------------------------------------------------------
     */
    protected function fetch($templateFile='',$charset='',$contentType='text/html')
    {
        return $this->view->fetch($templateFile,$charset,$contentType);
    }

    /**
     +----------------------------------------------------------
     *  ??????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @htmlfile ?????????
     * @htmlpath ?????????
     * @param string $templateFile ??????????
     * ???? ???????????
     * @param string $charset ????
     * @param string $contentType ????
     +----------------------------------------------------------
     * @return string
     +----------------------------------------------------------
     */
    protected function buildHtml($htmlfile='',$htmlpath='',$templateFile='',$charset='',$contentType='text/html') {
        return $this->view->buildHtml($htmlfile,$htmlpath,$templateFile,$charset,$contentType);
    }

    /**
     +----------------------------------------------------------
     * ??????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param mixed $name ????????
     * @param mixed $value ????
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    protected function assign($name,$value='')
    {
        $this->view->assign($name,$value);
    }

    public function __set($name,$value) {
        $this->view->assign($name,$value);
    }

    /**
     +----------------------------------------------------------
     * ??????????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param string $name ??????
     +----------------------------------------------------------
     * @return mixed
     +----------------------------------------------------------
     */
    protected function get($name)
    {
        return $this->view->get($name);
    }

    /**
     +----------------------------------------------------------
     * Trace????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param mixed $name ????????
     * @param mixed $value ????
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    protected function trace($name,$value='')
    {
        $this->view->trace($name,$value);
    }

    /**
     +----------------------------------------------------------
     * ???? ????????????
     +----------------------------------------------------------
     * @access public
     +----------------------------------------------------------
     * @param string $method ???
     * @param array $parms ??
     +----------------------------------------------------------
     * @return mixed
     +----------------------------------------------------------
     */
    public function __call($method,$parms) {
        if( 0 === strcasecmp($method,ACTION_NAME)) {
            // ????????
            $_action = C('_actions_');
            if($_action) {
                // 'module:action'=>'callback'
                if(isset($_action[MODULE_NAME.':'.ACTION_NAME])) {
                    $action  =  $_action[MODULE_NAME.':'.ACTION_NAME];
                }elseif(isset($_action[ACTION_NAME])){
                    // 'action'=>'callback'
                    $action  =  $_action[ACTION_NAME];
                }
                if(!empty($action)) {
                    call_user_func($action);
                    return ;
                }
            }
            // ?????_empty?? ???
            if(method_exists($this,'_empty')) {
                $this->_empty($method,$parms);
            }else {
                // ?????????? ?????????
                if(file_exists_case(C('TMPL_FILE_NAME')))
                    $this->display();
                else
                    // ????
                    throw_exception(L('_ERROR_ACTION_').ACTION_NAME);
            }
        }elseif(in_array(strtolower($method),array('ispost','isget','ishead','isdelete','isput'))){
            return strtolower($_SERVER['REQUEST_METHOD']) == strtolower(substr($method,2));
        }else{
            throw_exception(__CLASS__.':'.$method.L('_METHOD_NOT_EXIST_'));
        }
    }

    /**
     +----------------------------------------------------------
     * ???????????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param string $message ????
     * @param Boolean $ajax ???Ajax??
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    protected function error($message,$ajax=false)
    {
        $this->_dispatch_jump($message,0,$ajax);
    }

    /**
     +----------------------------------------------------------
     * ???????????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param string $message ????
     * @param Boolean $ajax ???Ajax??
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    protected function success($message,$ajax=false)
    {
        $this->_dispatch_jump($message,1,$ajax);
    }

    /**
     +----------------------------------------------------------
     * Ajax??????????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param mixed $data ??????
     * @param String $info ????
     * @param boolean $status ????
     * @param String $status ajax???? JSON XML
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    protected function ajaxReturn($data,$info='',$status=1,$type='')
    {
        // ??AJAX?????????
        if(C('LOG_RECORD')) Log::save();
        $result  =  array();
        $result['status']  =  $status;
        $result['info'] =  $info;
        $result['data'] = $data;
        if(empty($type)) $type  =   C('DEFAULT_AJAX_RETURN');
        if(strtoupper($type)=='JSON') {
            // ??JSON???????? ??????
            header("Content-Type:text/html; charset=utf-8");
            exit(json_encode($result));
        }elseif(strtoupper($type)=='XML'){
            // ??xml????
            header("Content-Type:text/xml; charset=utf-8");
            exit(xml_encode($result));
        }elseif(strtoupper($type)=='EVAL'){
            // ??????js??
            header("Content-Type:text/html; charset=utf-8");
            exit($data);
        }else{
            // TODO ??????
        }
    }

    /**
     +----------------------------------------------------------
     * Action??(URL???? ???????????
     +----------------------------------------------------------
     * @access protected
     +----------------------------------------------------------
     * @param string $url ???URL???
     * @param array $params ??URL??
     * @param integer $delay ??????? ????
     * @param string $msg ??????
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    protected function redirect($url,$params=array(),$delay=0,$msg='') {
        if(C('LOG_RECORD')) Log::save();
        $url    =   U($url,$params);
        redirect($url,$delay,$msg);
    }

    /**
     +----------------------------------------------------------
     * ?????? ???????????
     * ?????? ???public?????success??
     * ???????? ??????
     +----------------------------------------------------------
     * @param string $message ????
     * @param Boolean $status ??
     * @param Boolean $ajax ???Ajax??
     +----------------------------------------------------------
     * @access private
     +----------------------------------------------------------
     * @return void
     +----------------------------------------------------------
     */
    private function _dispatch_jump($message,$status=1,$ajax=false)
    {
        // ?????AJAX??
        if($ajax || $this->isAjax()) $this->ajaxReturn('',$message,$status);
        // ????
        $this->assign('msgTitle',$status? L('_OPERATION_SUCCESS_') : L('_OPERATION_FAIL_'));
        //??????????????????????
        if($this->get('closeWin'))    $this->assign('jumpUrl','javascript:window.close();');
        $this->assign('status',$status);   // ??
        $this->assign('message',$message);// ????
        //????????????
        C('HTML_CACHE_ON',false);
        if($status) { //??????
            // ?????????1?
            if(!$this->get('waitSecond'))    $this->assign('waitSecond',"1");
            // ???????????????
            if(!$this->get('jumpUrl')) $this->assign("jumpUrl",$_SERVER["HTTP_REFERER"]);
            $this->display(C('TMPL_ACTION_SUCCESS'));
        }else{
            //??????????3?
            if(!$this->get('waitSecond'))    $this->assign('waitSecond',"3");
            // ??????????????
            if(!$this->get('jumpUrl')) $this->assign('jumpUrl',"javascript:history.back(-1);");
            $this->display(C('TMPL_ACTION_ERROR'));
        }
        if(C('LOG_RECORD')) Log::save();
        // ????  ?????????
        exit ;
    }


}//?????
?>