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<?php
/*
This file is a part of DAlbum. Copyright (c) 2003 Alexei Shamov, DeltaX Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// ==================================================================================
// ======================== Custom functions =======================================
// ==================================================================================
//
// Note: You need to have some knowledge of PHP to uncomment and modify the
// following customization functions.
/// ======= Custom function to convert image or album filename to image title ======
/// If not specified, image filename without extension is used
///
/*
function filename2title($filename)
{
return basename(strval($filename));
}
//*/
// everypageCallback() is called on every DAlbum page. You can use it for logging
// or for some other purpose
//
// The example below will create a tab-separated file logging all visits
// to your pictures.
/*
function everypageCallback($sUserName="")
{
// log displayed images into text file.
if (defined('DALBUM_INDEX_PAGE') ||
defined('DALBUM_SHOWIMG_PAGE'))
{
$statFolder='./'; // change this to your statistics folder
if (!file_exists($statFolder . '.count.txt'))
$cnt=@fopen($statFolder . ".count.txt","w");
else
$cnt=@fopen($statFolder . ".count.txt","r+");
$n=0;
if ($cnt)
{
flock( $cnt, LOCK_EX ); // exclusive lock
$n=(int)fread($cnt,filesize($statFolder . ".count.txt"));
$n++;
rewind($cnt);
fwrite($cnt,"$n");
flock( $cnt, LOCK_UN ); // exclusive lock
fclose($cnt);
}
$f="/";
if (isset($_GET['folder']))
$f=$_GET['folder'];
else if (isset($_GET['file']))
$f=$_GET['file'];
// log into statistics file in tab-separated format
if (!file_exists($statFolder . '.iptrack.txt'))
$cnt=@fopen($statFolder . ".iptrack.txt","w");
else
$cnt=@fopen($statFolder . ".iptrack.txt","a+");
if ($cnt)
{
$s= ((int)$n) . "\t" .
quotehtml(date("D M j G:i:s T Y")) . "\t" .
quotehtml($sUserName) . "\t" .
quotehtml($f) . "\t" .
@$_SERVER['REMOTE_ADDR'] . "\t" .
quotehtml(@gethostbyaddr(@$_SERVER['REMOTE_ADDR'])) . "\t".
quotehtml(@$_SERVER['HTTP_REFERER']) . "\n";
flock( $cnt, LOCK_EX ); // exclusive lock
fwrite($cnt,$s);
flock( $cnt, LOCK_UN ); // exclusive lock
fclose($cnt);
}
}
}//*/
// Returns custom button code. You can completely change style of all DAlbum buttons
// here, hide buttons you don't need, add images to buttons, use <BUTTON> instead of <A> tag etc.
//
// $id = button ID. Possible values: 'login','logout','next','prev','usrmgr','index',
// 'fullscreen' etc.
// $href=location for this button. Empty string for disabled button
// $text=button text
// $title=help for button
// $nSpacer= 0=first button in the row, 1=usual button, 2=first button in button group
// $target=target
//
// Return value: button code. Check getButton code in functions.php for details
//
/*
function customGetButton($id, $href, $text, $title, $nSpacer, $target)
{
// This example will make login button red
// (usually it is recommended to use stylesheet for a.buttonLink#login)
// and enclode next button text in [ ]. Example: [Next].
if ($id=='login')
return "<a class='buttonLink' href='$href' id='$id' " .
" title='$title' target='$target' " .
" style='background-color:red'>" . $text . "</a>";
if ($id=='next')
$text="[$text]";
// call getButton for default look & feel (note the last false parameter or there will
// be infinite loop)
return getButton($id,$href,$text,$title,$nSpacer,$target,false);
}//*/
// customURL converts a local picture path which is relative to albums root
// (i.e. /pictures directory) to a picture URL.
//
// You can override this function to, for example, serve images from another server
// or even distribute load between several web-servers.
//
// See secureURL in functions.php for implementation details.
/*
function customURL($picPath)
{
return "http://mybroadband.com/mypics" . quoteurl($picPath);
}//*/
// customCreateAlbum
//
// Create album object (Can be useful if CAlbum is extended)
/*
function &customCreateAlbum()
{
return new CAlbum;
}
*/
// customCreateImage
//
// Create image object (Can be useful if CImage is extended)
/*
function &customCreateImage()
{
return new CImage;
}
*/
// customTitle function returns a piece of HTML to be inserted
// as image or album title (index page only)
//
// $object = reference to CImage or CAlbum object
// $titleDefault = default HTML string
//
// Example below will put all titles into brackets.
/*
function customTitle(&$object, $titleDefault)
{
return "<span class='imageTitle'>[" . $object->GetTitle() . "]</span>";
}//*/
// custom EXIF header generator
//
// You can edit this function to display additional EXIF parameters,
// modify exif output format etc.
//
// This function returns piece of HTML with formatted EXIF data,
// which will be used in t_showimg.php as template('ExifDetails');
//
// Parameters:
// $sFilename - image filename
// $exif - output of php function exif_read_data
// $data - array of already formatted Exif strings.
// Ex. { "ISO:|100", "Exposure:|1/10s" .. }
//
// This example function puts all available information as is into a table
/*
function customExifDetails( $sFilename,
&$exif,
&$data )
{
$out="<table><tr><th colspan=2>EXIF details</th></tr>";
while (list($key, $val) = each($exif))
{
if (is_array($val) || strlen($val)>30)
continue;
$out.="<tr><td>" . quotehtml($key) . "</td><td>" . quotehtml($val) . "</td></tr>";
}
$out.="</table>";
return $out;
}
//*/
// This function is used to return how displayed image should fit the screen
// in showimg.php. Check $g_sBrowserFitMethod for details.
//
// $width - image width in pixels
// $height - image height in pixels
// $bResize - true if image is resized image. false - if original image is displayed.
// $image - CImage object
//
// Returns : "noresize"/"fit"/"shrink" etc.
/*
function customGetBrowserFitMethod($width, $height, $bResize, &$image)
{
if ($width>600)
return "shrink";
return "noresize"
}//*/
//
// Override this function to provide your own user authentication mechanism
// returns true if user is okay, false if access is denied.
//
/*
function customAuthentication($user,$password)
{
return false;
}//*/
//
// Resize image. This function is called by DAlbum to create thumbnail or
// resized image when $g_sResizeMethod="custom"
//
// $src=original image filename
// $dest=target image filename
// $bResized= (true=create resized image; false=create thumbnail);
//
// Return value:
// "" - completed successfully;
// "error message" if failed
//
/*
function customResizeImage($src,$dest,$bResized)
{
}*/
// customGetImageBorders and customGetFolderBorders return image graphics to be
// used to display around album thumbnails and image thumbnails on the index page.
//
// Edit the code to insert your own graphics and set borders width/height
// to match your stylesheet.
//
// Returns : true = use data supplied in $fg array
// false= use default settings
/*
function customGetImageBorders(&$image,&$fg,$nThmX,$nThmY)
{
// images to use in format URL,width,height
$fg['blank']=array('custimg/im_corner/i_blank.gif',19,16);
$fg['nw']=array('custimg/im_corner/i_nw.gif',32,11);
$fg['n']=array('custimg/im_corner/i_n.gif',25,11);
$fg['ne']=array('custimg/im_corner/i_ne.gif',24,11);
$fg['w']=array('custimg/im_corner/i_w.gif',5,16);
$fg['e']=array('custimg/im_corner/i_e.gif',6,16);
$fg['sw']=array('custimg/im_corner/i_sw.gif',30,12);
$fg['s']=array('custimg/im_corner/i_s.gif',27,12);
$fg['se']=array('custimg/im_corner/i_se.gif',14,12);
// image borders (as defined in stylesheet for a.imglink .imagethumb)
$fg['borderx']=2;
$fg['bordery']=2;
// resulting object size. This adds borders and 10 pix space to the image, but
// you can add any value. Unused space will be filled with "blank"
$fg['sizex']=$nThmX+$fg['borderx']*2+$fg['w'][1]+$fg['e'][1]+10;
$fg['sizey']=$nThmY+$fg['bordery']*2+$fg['n'][2]+$fg['s'][2]+10;
return true;
}
function customGetFolderBorders(&$album,&$fg,$nThmX,$nThmY)
{
global $g_sThumbnailXSize,$g_sThumbnailYSize;
// images to use in format URL,width,height
$fg['blank']=array('custimg/bluef/bf_blank.gif',30,8);
$fg['nw']=array('custimg/bluef/bf_nw.gif',69,25);
$fg['n']=array('custimg/bluef/bf_n.gif',5,25);
$fg['ne']=array('custimg/bluef/bf_ne.gif',18,25);
$fg['w']=array('custimg/bluef/bf_w.gif',8,8);
$fg['e']=array('custimg/bluef/bf_e.gif',12,8);
$fg['sw']=array('custimg/bluef/bf_sw.gif',20,14);
$fg['s']=array('custimg/bluef/bf_s.gif',6,14);
$fg['se']=array('custimg/bluef/bf_se.gif',16,14);
// border around image (defined in CSS as a.fldlink .folderthumb)
$fg['borderx']=1;
$fg['bordery']=1;
// ensure that all folders have the same size
$fg['sizex']=$g_sThumbnailXSize+35;
$fg['sizey']=$g_sThumbnailYSize+35;
}//*/
// Converts path that is relative to $g_sAlbumRoot directory
// to absolute path. Ex. /myfolder/pic1.jpg => /var/www/html/photo/pictures/myfolder/pic1.jpg
/*
function customAbsfname($filename)
{
global $g_sAlbumsRoot;
return $g_sAlbumsRoot . $filename;
}//*/
////////////// EMBEDDING /////////////////////////////
// Translate DAlbum page URL to another URL
//
// Example below does PHP Nuke support by translating
// showimg.php?file=/var.jpg
// to
// modules.php?name=dalbum&jump=showimg.php&f=/var.jpg
/*
function customTranslateRef($ref)
{
if (substr($ref,0,9)=="photo.php")
return DALBUM_BROWSERROOT . $ref;
return "modules.php?name=dl&jump=" . strtr($ref,array("?"=>"&","file="=>"f="));
}//*/
// Obtain current user name
/*
function customStartSessionAndGetUserName($cache,$bStartNewSession)
{
global $sCurrentUser; // a global variable set by CMS system
return $sCurrentUser;
}//*/
// Check if the current user ($user always contains value returned by StartSessionAndGetUserName)
// is admin. 0=normal user, 1=admin (can reindex), 2=superuser (can access user manager)
/*
function customIsAdminMode($user)
{
global $admin;
return is_admin($admin)?2:0;
}*/
////////////// DEPRECATED STUFF //////////////////////
// customIndexPageHeader creates a custom page header on index.php
// $sTitle=root album title
// $navBar=navigation bar HTML
// $albRoot=reference to root album
//
// WARNING: This function is deprecated and may be unsupported in future versions.
// Modify page template instead.
/*
function customIndexPageHeader($sTitle, $navBar, &$albRoot)
{
print <<< END
<div class="indexPageHeader">
<table style="width:100%;" cellpadding="0" cellspacing="0">
<tr>
<td class="title">[$sTitle]</td>
<td class="navigationBar" >[$navBar]</td>
</tr>
</table>
</div>
END;
}//*/
// customImageExtra returns a piece of HTML to be inserted after image title
// on both index.php and showimg.php
//
// $image = reference to CImage object
//
// WARNING: This function is deprecated and may be unsupported in future versions.
// Use customTitle instead.
/*
function customImageExtra(&$image)
{
if (defined('DALBUM_INDEX_PAGE'))
{
return "<A href='buy.php?file=" . urlencode($image->m_sBaseFilename) . "'>Buy it</A>
}
else if (defined('DALBUM_SHOWIMG_PAGE'))
{
return "<A href='buy.php?file=" . urlencode($image->m_sBaseFilename) .
"'>Buy it (image page)</A>
}
return "";
}//*/
?>
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