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Album.php

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<?php
/* $Id: Album.php,v 1.2 2003/10/03 15:27:40 mikko Exp $ */
/*
 * ImaComm - a web based photo album software
 * Copyright (C) 2003, Mikko Kokkonen
 *
 * 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.
 */
class Album
{
        var $prefix;
        var $attributes;
        var $photos;
        var $thumbnails;
        var $visited;
        var $captions;
        var $title;
        var $logo;
        var $_modulesrc;
        var $_source;
        var $_class;
        var $_module;
        var $_init;
        function Album($source = null, $module = null)
        {
                if (!$this->_init)
                {
                        $this->_init = true;
                        $this->prefix = realpath(dirname(__FILE__)."/../");
                        // Get source module...
                        list($src, $module) = generateModule("album", $source);
                        $this->_source = $src;
                        if ($module != null)
                        {
                                $this->_modulesrc = $this->prefix."/modules/$module.php";
                                $this->_class = "Album_".strtoupper(substr(strstr($module, "_"), 1));
                        }
                        // Load module..
                        if (file_exists($this->_modulesrc))
                        {
                                require_once ($this->_modulesrc);
                                $this->_module = new $this->_class;
                        }
                }
        }

        function loadData()
        {
                if (get_class($this->_module) == strtolower($this->_class))
                {
                        if (file_exists($this->_source))
                        {
                                $this->_module->loadData($this->_source);
                                $this->mergeVars();
                        }
                }
        }

        function ID()
        {
                return $this->id;
        }
        
        function attribute($name)
        {
                return $this->attributes[$name];
        }
        
        function logo()
        {
                global $settings;
                
                $logo = $settings->attribute("albums")."/".$this->ID()."/".$this->attribute("logo");
                
                return "<img src=\"$logo\" alt=\"\" border=\"0\" />";
        }

        function thumbnail($photo)
        {
                global $settings;
                
                $pi = pathinfo($photo);

                $thumb = $settings->attribute("albums")."/".$this->ID()."/".$this->thumbnails[$this->photoID($photo)];

                $buf = "<img src=\"$thumb\" alt=\"[$thumb]\" />";

                return $buf;
        }

        function photo($photo)
        {
                global $settings;
                
                $photo_src = $settings->attribute("albums")."/".$this->ID()."/".$this->photos[$photo];

                $buf .= "<img src=\"$photo_src\" alt=\"$photo_src\" />";

                return $buf;
        }
        
        function caption($photo)
        {
                return $this->captions[$photo];
        }
        
        function visited($photo)
        {
                return $this->visited[$photo];
        }
        
        function photoID($photo)
        {
                return array_search($photo, $this->photos);
        }
        
        function mergeVars()
        {
                $this->id = $this->_module->id;
                $this->attributes = $this->_module->attributes;
                $this->photos = $this->_module->photos;
                $this->thumbnails = $this->_module->thumbnails;
                $this->captions = $this->_module->captions;
                $this->visited = $this->_module->visited;
        }
}

function get_albumdata($album)
{
        global $albumdata, $config;

        if (get_class($albumdata) != "album" || $albumdata->id != $album)
        {
                $albumdata = new Album($config->albums[$album]['source']);
                $albumdata->loadData();
        }

        return $albumdata;
}
?>

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