<?php 
require_once(dirname(__FILE__)."/config.php");
CheckPurview('pic_view');
if(empty($activepath)) $activepath=$cfg_medias_dir;
$activepath = ereg_replace("/{1,}","/",$activepath);
$truePath = $cfg_basedir.$activepath;
$listSize=5;
function GetPrePath($nowPath)
{
	if($nowPath==""||$nowPath=="/")
		echo("当前为根目录\n");
	else
	{
		$dirs = split("/",$nowPath);
		$nowPath = "";
		for($i=1;$i<count($dirs)-1;$i++)
		{
			$nowPath .= "/".$dirs[$i];
		}
		echo("<a href=\"pic_view.php?activepath=".$nowPath."\">转到上级目录</a>\n");
	}
}
function ListPic($truePath,$nowPath)
{
    global $listSize;
    $col=0;
    $rowdd=0;
    $rowdd++;
    $imgfile="";
    $truePath = ereg_replace("/$","",ereg_replace("\\{1,}","/",trim($truePath)));
    $nowPath = ereg_replace("/$","",ereg_replace("/{1,}","/",trim($nowPath)));
    $dh = dir($truePath);
    echo("<tr align='center'>\n");
    while($filename=$dh->read())
    {
    	if(!ereg("\.$",$filename))
    	{

    		$fullName = $truePath."/".$filename;
    		$fileUrl =  $nowPath."/".$filename;
    		if(is_dir($fullName))
    		{
    		if($col%$listSize==0&&$col!=0)
			{
			echo("</tr>\n<tr align='center'>\n");
			for($i=$rowdd-$listSize;$i<$rowdd;$i++)
			{
				echo("<td>".$filelist[$i]."</td>\n");
			}
			echo("</tr>\n<tr align='center'>\n");
			}
    		$line = "
    		<td>
    		<table width='106' height='106' border='0' cellpadding='0' cellspacing='1' bgcolor='#CCCCCC'>
    		<tr><td align='center' bgcolor='#FFFFFF'>
    		<a href='pic_view.php?activepath=".$fileUrl."'>
    		<img src='img/pic_dir.gif' width='44' height='42' border='0'>
    		</a></td></tr></table></td>";
    		$filelist[$rowdd] = $filename;
			$col++;
			$rowdd++;
			echo $line;
    		}
    		else if(IsImg($filename))
    		{
    		if($col%$listSize==0&&$col!=0)
			{
			echo("</tr>\n<tr align='center'>\n");
			for($i=$rowdd-$listSize;$i<$rowdd;$i++)
			{
				echo("<td>".$filelist[$i]."</td>\n");
			}
			echo("</tr>\n<tr align='center'>\n");
			}
    		$line = "
    		<td>
    		<table width='106' height='106' border='0' cellpadding='0' cellspacing='1' bgcolor='#CCCCCC'>
    		<tr>
		    <td align='center' bgcolor='#FFFFFF'>
		    ".GetImgFile($truePath,$nowPath,$filename)."
		    </td>
			</tr></table></td>";
			$filelist[$rowdd] = $filename;
			$col++;
			$rowdd++;
			echo $line;
    	    }
    	}
    }
    echo("</tr>\n");
    if(!empty($filelist))
    {
    	echo("<tr align='center'>\n");
    	$t = ($rowdd-1)%$listSize;
    	if($t==0) $t=$listSize;
		for($i=$rowdd-$t;$i<$rowdd;$i++)
		{
			echo("<td>".$filelist[$i]."</td>\n");
		}
		echo("</tr>\n");
	}
        
}
function GetImgFile($truePath,$nowPath,$fileName)
{
	$toW=102;
	$toH=102;
	$srcFile = $truePath."/".$fileName;
	$info = "";
	$data = GetImageSize($srcFile,$info);
	$srcW=$data[0];
	$srcH=$data[1];
	if($toW>=$srcW&&$toH>=$srcH)
	{
		$ftoW=$srcW;
		$ftoH=$srcH;
	}
	else
	{
		$toWH=$toW/$toH;
        $srcWH=$srcW/$srcH;
        if($toWH<=$srcWH)
		{
           $ftoW=$toW;
           $ftoH=$ftoW*($srcH/$srcW);
		}
		else
		{
           $ftoH=$toH;
           $ftoW=$ftoH*($srcW/$srcH);
		}
	} 
	 return("<a href='".$nowPath."/".$fileName."' target='_blank'><img src='".$nowPath."/".$fileName."' width='".$ftoW."' height='".$ftoH."' border='0'></a>");
} 
function IsImg($fileName)
{
	if(ereg("\.(jpg|gif|png)$",$fileName)) return 1;
	else return 0;
}          

require_once(dirname(__FILE__)."/templets/file_pic_view.htm");

ClearAllLink();
?>
