<?php
/***************************************************************************
 *
 *                                  Image.php
 *                              -------------------
 *
 *   begin                : Friday, Jul 5, 2002
 *   copyright            : (C) 2002 The Kabramps Team
 *   email                : hide@address.com,
 *                          hide@address.com
 *
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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.
 *   (http://www.gnu.org/licenses/gpl.html)
 *
 ***************************************************************************/

class Image extends Control
{

	var $dnobj = object; // dn string with additional functions

	function Image ()
	{}

	function get_view_panel ($attriberrors = null)
	{
		$tmpl = new TPLInterface();

		$this->dnobj = new dnInterpreter( $this->dn );

		if ($this->value[0] != "" )
		{
			$link = $this->dnobj->get_dn();
			$maxheight = $this->attributeoptions["maxheight"];
			$maxwidth  = $this->attributeoptions["maxwight"];
		}
		else
		{
			$link = "nopic";
		}

		$tmpl->assign(array("DESCRIPTION"    => $this->description,
		                    "ATTRIBLABEL"    => $this->label,
		                    "DN"             => $link,
		                    "ATTRIBNAME"     => $this->attribute,
		                    "MAXHEIGHT"      => $maxheight,
		                    "MAXWIGHT"       => $maxwight,
		                    "SOURCE_TYPE"    => "image/jpeg",
		                    "SOURCE_ALT"     => $this->dnobj->get_label( $this->dnobj->get_leaf() )
                      ));
		return $tmpl->fetch($this->get_template('view'));
	}

	function get_edit_panel ()
	{
		$tmpl = new TPLInterface();

		$this->dnobj = new dnInterpreter($this->dn);

		if ($this->value[0] != "" )
		{
			$link = $this->dnobj->get_dn();
			$maxheight = $this->attributeoptions["maxheight"];
			$maxwidth  = $this->attributeoptions["maxwight"];
		}
		else
		{
			$link = "nopic";
		}

		$tmpl->assign(array("DESCRIPTION"    => $this->description,
		                    "ATTRIBLABEL"    => $this->label,
		                    "ATTRIBNAME"     => $this->attribute,
		                    "SOURCE_TYPE"    => "image/jpeg",
		                    "SOURCE_ALT"     => $this->dnobj->get_label($this->dnobj->get_leaf()),
		                    "DN"             => $link,
		                    "MAXHEIGHT"      => $maxheight,
		                    "MAXWIGHT"       => $maxwidth,
		                    "ERRORMESSAGE"   => $this->get_error_message()
                     ));

		return $tmpl->fetch($this->get_template('edit'));
	}
  
	function html2LDAPvalue( $htmlvalue, $mode )
	{
		$return = array();
    
		if ( $_REQUEST['remove'] ) // user wants to remove the image
		{
			$return[] = array();
		}
		elseif ( file_exists( $_FILES[$this->attribute]['tmp_name'] ) ) // new image is to be upload
		{
			// image maxsize handling
			if ($_FILES[$this->attribute]['size'] <= $this->get_max_size() )
			{
				$file_name = $_FILES[$this->attribute]['tmp_name'];
				$file_size = $_FILES[$this->attribute]['size'];

				$return[] = $this->convert_image( $file_name, $file_size );
			}
			else
			{
				$this->add_error_message(gettext('Image to big.'));
			}
		}
		return $return;
	}

	function get_max_size()
	{
		if (!$this->attributeoptions['maxsize'])
		{
			$this->attributeoptions['maxsize'] = 100000;
		}
		return $this->attributeoptions['maxsize'];
	}

	// convert uploaded image
	function convert_image( $file_name, $file_size = null )
	{
		$fp = fopen($file_name, 'r');
		$content = fread ($fp, $file_size);
		$encodedcontent = $content;
		fclose ($fp);
	
		return $encodedcontent;
	}
}
?>