<?php

Class Gallery {

	var $photo_array;
	var $image_directory;
	var $active_index;
	
	function Gallery(){
		$this->photo_array = array();
		$this->image_directory = "";
		$this->active_index = null;
	}
	
	// set data
	function addPhoto($image, $thumb, $text){
		$photo = array("image" => $image, "thumb" => $thumb, "text" => $text);
		array_push($this->photo_array, $photo);
	}
	
	// get data
	function getActiveText(){
		return $this->photo_array[$this->getActive()]["text"];
	}
	function getActiveImage(){
		return $this->getDirectory() . $this->photo_array[$this->getActive()]["image"];
	}
	function getThumbnails(){
		$result = array();
		for($i = 0; $i < $this->getCount(); $i++){
			array_push($result, $this->getDirectory() . $this->photo_array[$i]["thumb"]);
		}
		return $result;
	}
	
	// get/set directory
	function setDirectory($directory){
		$this->image_directory = $directory;
	}
	function getDirectory(){
		return $this->image_directory;
	}
	
	// get/set index
	function setActive($index){
		$this->active_index = $index;
	}
	function getActive(){
		return $this->active_index;
	}
	function getPrevious(){
		$index = $this->getActive();
		return ($index > 0) ? $index-1 : null;
	}
	function getNext(){
		$index = $this->getActive();
		return ($index < $this->getCount()-1) ? $index+1 : null;
	}
	function getCount(){
		return count($this->photo_array);
	}
}

?>