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Highlight recently modified albums   

When an image gallery has several thousands images and a deep tree of folders, it may be difficult to find out what the latest changes are. This sample shows how mark new and updated albums in tree with an icon or text to make latest modifications immediately visible.

The code below adds two custom fields to every album: creation date and modification date. Creation date is set to today's date when .albumdef.ini is created. Modification date must be changed manually in album properties whenever the album is modified (it's just YYMMDD format): pictures added, important comment changes made etc. Modification date is automatically propagated up the folder tree during reindex. Folder with a new or modified subfolder gets its modification date set to the latest updated subfolder modification date.

CExAlbumModified::GetTreeNodeCode method verifies if current album has been modified during the last 10 days and displays new! text after album name for new albums and updated! - for updated albums. You can display different text or an image instead.

Instructions

1. Edit you custom.php and add the following code. Modify GetTreeNodeCode method to include preferred number of days and the method to mark modified albums.

 // Localize text strings below (these localizations will be added
// to DAlbum installation later)
if (!isset($lang['cModifiedNew']))
{
    
$lang['cModifiedNew']='new!';
    
$lang['cModifiedUpdated']='updated!';
}

class 
CExAlbumModified extends CAlbum
{
    function 
Create($sPath$parentUsers,$bCleanup$bDeleteImages=false)
    {
        
// New albums get modification time set to today's date
        
if (!file_exists(absfname($sPath."/.albumdef.ini")))
        {
            
$this->m_arrCustomFields["Modified_YYMMDD"]=
            
$this->m_arrCustomFields["Created_YYMMDD"]=date("ymd");
        }

        
// Call default implementation
        
return parent::Create($sPath,$parentUsers,$bCleanup,$bDeleteImages);
    }


    
// Get list of custom field names
    
function &GetCustomFieldNames()
    {
        
$f=parent::GetCustomFieldNames();
        
$f[]="Created_YYMMDD";
        
$f[]="Modified_YYMMDD";
        return 
$f;
    }

    
// Modify tree node text
    
function GetTreeNodeCode($myID,$nParentID,$sText,$sRef)
    {
        
// Display (Modified) or (Updated) for those modified/updated 10 days ago or less.
        // (change 10 to any number of days you wish)
        
$dateRecent=date("ymd",time()-86400*10);

        
$cur_ct=$this->GetCustomField("Created_YYMMDD");
        
$cur_mt=$this->GetCustomField("Modified_YYMMDD");

        global 
$lang;
        
$sAdd="";

        
$dr=DALBUM_BROWSERROOT;

        
// Modify tree item text
        
if ($cur_ct>$dateRecent)
        {
            
// This displays text only
            
$sAdd="&nbsp;<sup><b>".$lang['cModifiedNew']."</b></sup>";

            
// Uncomment the next 2 lines to display custimg/new.gif next to new albums
            //$sAdd="&nbsp;<sup><img src=\'{$dr}custimg/new.gif\' alt=\'\' title=\'".
            //                    $lang['cModifiedNew']."\'></sup>";
        
}
        elseif (
$cur_mt>$dateRecent)
        {
            
// This displays text only
            
$sAdd="&nbsp;<sup><b>".$lang['cModifiedUpdated']."</b></sup>";

            
// Uncomment the next 2 lines to display custimg/updated.gif next to updated albums
            //$sAdd="&nbsp;<sup><img src=\'{$dr}custimg/updated.gif\' alt=\'\' title=\'".
            //                    $lang['cModifiedUpdated']."\'></sup>";
        
}

        if (!empty(
$sAdd) && $this->m_sFolder!='/')
            
$sText.=$sAdd;

        
// Call default implementation to display updated string.
        
return parent::GetTreeNodeCode($myID,$nParentID,$sText,$sRef);
    }


    
// This function is always called during reindex AFTER subfolders are loaded
    
function ParseDetails(&$ini_array,$bAllDetails)
    {
        
parent::ParseDetails($ini_array,$bAllDetails);

        
// Get modified time for this folder
        
$cur_mt=$this->GetCustomField("Modified_YYMMDD");
        if (
strlen($cur_mt)!=6)
            
$cur_mt="000000";
        
$cur_ct=$this->GetCustomField("Created_YYMMDD");
        if (
strlen($cur_ct)!=6)
            
$cur_ct="000000";

        
// Go through all subfolders and set this folder modification time
        // to not be before any subfolder modification time
        
for ($i=0;$i<count($this->m_arrContents);++$i)
        {
            
$obj=&$this->m_arrContents[$i];
            if (!
$obj->IsImage())
            {
                
$mt=$obj->GetCustomField("Modified_YYMMDD");
                if (!empty(
$mt) && $mt>$cur_mt)
                    
$cur_mt=$mt;
            }
        }
        if (
$this->GetCustomField("Modified_YYMMDD")!=$cur_mt)
        {
            
$this->m_arrCustomFields["Modified_YYMMDD"]=$cur_mt;
            
$this->m_arrCustomFields["Created_YYMMDD"]=$cur_ct;
            
create_defaultIni($this,true);
        }
    }
}

function &
customCreateAlbum()
{
    return new 
CExAlbumModified();
}

2. Reindex (you may also need to delete .private/.album_index.dat file). When you add new albums they will be marked as "new!" in album tree and their parent albums marked as "updated!".