<?php
/**
 * 编辑自定义表单字段
 *
 * @version        $Id: diy_field_edit.php 1 18:31 2010年7月12日Z tony $
 * @package        AiteCMS.Administrator
 * @copyright      Copyright (c) 2007 - 2010, AiteCMS, Inc.
 
 * @link           http://www.aitecms.com
 */
require_once(dirname(__FILE__)."/config.php");

//增加权限检查

require_once(DEDEINC."/dedetag.class.php");
require_once(DEDEADMIN."/inc/inc_admin_channel.php");
if(empty($action)) $action = '';

//获取模型信息
$mysql_version = $dsql->GetVersion();
$mysql_versions = explode(".",trim($mysql_version));
$mysql_version = $mysql_versions[0].".".$mysql_versions[1];
$row = $dsql->GetOne("SELECT `table`,`info` FROM #@__diyforms WHERE diyid='$diyid'");
$fieldset = $row['info'];
$trueTable = $row['table'];
$dtp = new DedeTagParse();
$dtp->SetNameSpace("field","<",">");
$dtp->LoadSource($fieldset);
foreach($dtp->CTags as $ctag)
{
    if(strtolower($ctag->GetName())==strtolower($fname)) break;
}

//字段类型信息
$ds = file(DEDEADMIN."/inc/fieldtype.txt");
foreach($ds as $d)
{
    $dds = explode(',',trim($d));
    $fieldtypes[$dds[0]] = $dds[1];
}

//保存更改
/*--------------------
function _SAVE()
----------------------*/
if($action=='save')
{

    if(!isset($fieldtypes[$dtype]))
    {
        ShowMsg("你修改的是系统专用类型的数据，禁止操作！","-1");
        exit();
    }

    //检测数据库是否存在附加表，不存在则新建一个
    $tabsql = "CREATE TABLE IF NOT EXISTS  `$trueTable`(
    `id` int(10) unsigned NOT NULL auto_increment,
    `ifcheck` tinyint(1) NOT NULL default '0',
    ";
    if($mysql_version < 4.1)
    {
        $tabsql .= " PRIMARY KEY  (`id`)\r\n) TYPE=MyISAM; ";
    }
    else
    {
        $tabsql .= " PRIMARY KEY  (`id`)\r\n) ENGINE=MyISAM DEFAULT CHARSET=".$cfg_db_language."; ";
    }
    $dsql->ExecuteNoneQuery($tabsql);

    //检测表里含有的字段
    $fields = array();
    $rs = $dsql->SetQuery("show fields from `$trueTable`");
    $dsql->Execute('a');
    while($nrow = $dsql->GetArray('a',MYSQL_ASSOC))
    {
        $fields[ strtolower($nrow['Field']) ] = $nrow['Type'];
    }

    //修改字段配置信息
    $dfvalue = $vdefault;
    $isnull = ($isnull==1 ? "true" : "false");
    $mxlen = $maxlength;
    $fieldname = strtolower($fname);

    //检测被修改的字段类型，并更新数据表
    $fieldinfos = GetFieldMake($dtype,$fieldname,$dfvalue,$mxlen);
    $ntabsql = $fieldinfos[0];
    $buideType = $fieldinfos[1];
    $tabsql  = '';

    //检测旧数据类型，并替换为新配置
    foreach($dtp->CTags as $tagid=>$ctag)
    {
        if(trim($fieldname)==trim(strtolower($ctag->GetName())))
        {

            if(isset($fields[$fieldname]) && $fields[$fieldname]!=$buideType)
            {
                $tabsql = "ALTER TABLE `$trueTable` CHANGE `$fieldname` ".$ntabsql;
                $dsql->ExecuteNoneQuery($tabsql);
            }
            else if(!isset($fields[$fieldname]))
            {
                $tabsql = "ALTER TABLE `$trueTable` ADD ".$ntabsql;
                $dsql->ExecuteNoneQuery($tabsql);
            }
            else
            {
                $tabsql = '';
            }
            $dtp->Assign($tagid,stripslashes($fieldstring), FALSE);
            break;
        }
    }
    $oksetting = $dtp->GetResultNP();
    $oksetting = addslashes($oksetting);
    $dsql->ExecuteNoneQuery("UPDATE #@__diyforms SET info='$oksetting' WHERE diyid='$diyid' ");
    ShowMsg("成功更改一个字段的配置！","diy_edit.php?diyid={$diyid}");
    exit();
}
/*------------------
删除字段
function _DELETE()
-------------------*/
else if($action=="delete")
{
    //检测旧数据类型，并替换为新配置
    foreach($dtp->CTags as $tagid=>$ctag)
    {
        if(strtolower($ctag->GetName())==strtolower($fname))
        {
            $dtp->Assign($tagid,"#@Delete@#");
        }
    }
    $oksetting = addslashes($dtp->GetResultNP());
    $dsql->ExecuteNoneQuery("UPDATE #@__diyforms SET info='$oksetting' WHERE diyid='$diyid' ");
    $dsql->ExecuteNoneQuery("ALTER TABLE `$trueTable` DROP `$fname` ");
    ShowMsg("成功删除一个字段！","diy_edit.php?diyid=$diyid");
    exit();
}
require_once(DEDEADMIN."/templets/diy_field_edit.htm");