<?php
// $Id: displayimage.php,v 1.0 2003/11/7 17:53:00 derya Exp $
//  ------------------------------------------------------------------------ //
//                    xcGallery - XOOPS Gallery Modul                        //
//                    Copyright (c) 2003 Derya Kiran                         //
//                           meeresstille@gmx.de                             //
//         http://www.myxoopsforge.org/modules/xfmod/project/?xcgal          //
//  ------------------------------------------------------------------------ //
//  Based on Coppermine Photo Gallery 1.10                                   //
//  (http://coppermine.sourceforge.net/)                                     //
//  developed by Grégory DEMAR                                               //
//  ------------------------------------------------------------------------ //
//  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.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  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 //
//  ------------------------------------------------------------------------ //
define('IN_XCGALLERY', true);

include "../../mainfile.php";
require('include/init.inc.php');

if ((($xoopsModuleConfig['anosee']) != 1) && !is_object($xoopsUser)) {
	redirect_header(XOOPS_URL."/user.php", 2, _NOPERM);
	exit();
}
if($xoopsModuleConfig['read_exif_data'] && function_exists('exif_read_data')){
	include("include/exif_php.inc.php");
} elseif($xoopsModuleConfig['read_exif_data']){
    redirect_header('index.php',2,_MD_DIS_EXIF_ERR);
    exit();
}
$myts =& MyTextSanitizer::getInstance(); // MyTextSanitizer object
/**************************************************************************
 * Local functions definition
 **************************************************************************/


// Prints the image-navigation menu
function html_img_nav_menu()
{
	global $xoopsModuleConfig, $HTTP_SERVER_VARS, $HTTP_GET_VARS, $CURRENT_PIC_DATA, $PHP_SELF;
	global $album, $cat, $pos, $pic_count;
    global $xoopsTpl, $album_name;
	$cat_link= is_numeric($album) ? '' : '&amp;cat='.$cat;

	$human_pos = $pos + 1;
	$page = ceil(($pos+1) / ($xoopsModuleConfig['thumbrows'] * $xoopsModuleConfig['thumbcols']));
	$pid = $CURRENT_PIC_DATA['pid'];

	if ($pos > 0) {
		$prev = $pos - 1;
		$prev_data = get_pic_data($album, $pic_count, $album_name, $prev, 1, false);
		$prev_tgt = "$PHP_SELF?album=$album$cat_link&amp;pos=$prev&amp;pid=".$prev_data[0]['pid'];
		$prev_title = _MD_DIS_PREV;
	} else {
		$prev_tgt = "javascript:;";
		$prev_title = "";
	}
	if ($pos < ($pic_count -1)) {
		$next = $pos + 1;
		$next_data = get_pic_data($album, $pic_count, $album_name, $next, 1, false);
		$next_tgt = "$PHP_SELF?album=$album$cat_link&amp;pos=$next&amp;pid=".$next_data[0]['pid'];
		$next_title = _MD_DIS_NEXT;
	} else {
		$next_tgt = "javascript:;";
		$next_title = "";
	}

	if (USER_CAN_SEND_ECARDS){
		$ecard_tgt = "ecard.php?album=$album$cat_link&amp;pid=$pid&amp;pos=$pos";
		$ecard_title = _MD_DIS_SEND_CARD;
	} else {
		$ecard_tgt = "javascript:alert('".addslashes(_MD_DIS_CARD_DISABLEMSG)."');";
		$ecard_title = _MD_DIS_CARD_DISABLE;
	}

	$thumb_tgt = "thumbnails.php?album=$album$cat_link&amp;page=$page";

	$slideshow_tgt = "$PHP_SELF?pid=$pid&amp;album=$album$cat_link&amp;pid=$pid&amp;slideshow=5000";

	$pic_pos = sprintf(_MD_DIS_PICPOS, $human_pos, $pic_count);

	$xoopsTpl->assign('thumb_tgt', $thumb_tgt);
	$xoopsTpl->assign('thumb_title', _MD_DIS_BACK_TNPAGE);
	$xoopsTpl->assign('pic_info_title', _MD_DIS_SHOW_PIC_INFO);
	$xoopsTpl->assign('slideshow_tgt', $slideshow_tgt);
	$xoopsTpl->assign('slideshow_title', _MD_DIS_SLIDE);
	$xoopsTpl->assign('pic_pos', $pic_pos);
	$xoopsTpl->assign('ecard_tgt', $ecard_tgt);
	$xoopsTpl->assign('ecard_title', $ecard_title);
	$xoopsTpl->assign('prev_tgt', $prev_tgt);
	$xoopsTpl->assign('prev_title', $prev_title);
	$xoopsTpl->assign('next_tgt', $next_tgt);
	$xoopsTpl->assign('next_title', $next_title);

}

// Displays a picture
function html_picture()
{
	global $xoopsModuleConfig, $CURRENT_PIC_DATA, $CURRENT_ALBUM_DATA, $USER, $HTTP_COOKIE_VARS;
	global $album, $comment_date_fmt;
	global $xoopsTpl, $myts;

	$pid = $CURRENT_PIC_DATA['pid'];

	if (!isset($USER['liv']) || !is_array($USER['liv'])) {
	    $USER['liv'] = array();
	}
	
	// Add 1 to hit counter
	if ($album != "lasthits" && !in_array($pid, $USER['liv']) && isset($HTTP_COOKIE_VARS[$xoopsModuleConfig['cookie_name'].'_data'])){
		add_hit($pid);
		if (count($USER['liv']) > 4 ) array_shift($USER['liv']);
		array_push($USER['liv'], $pid);
	}

	if ($xoopsModuleConfig['make_intermediate'] && max($CURRENT_PIC_DATA['pwidth'], $CURRENT_PIC_DATA['pheight']) > $xoopsModuleConfig['picture_width'])  {
	    $picture_url = get_pic_url($CURRENT_PIC_DATA, 'normal');
	} else {
	    $picture_url = get_pic_url($CURRENT_PIC_DATA, 'fullsize');
	}

	
	$image_size = compute_img_size($CURRENT_PIC_DATA['pwidth'], $CURRENT_PIC_DATA['pheight'], $xoopsModuleConfig['picture_width']);
    $xoopsTpl->assign('pid', $pid);
    $xoopsTpl->assign('picture_url', $picture_url);
    $xoopsTpl->assign('image_size', $image_size['geom']);
	if (isset($image_size['reduced'])) {
		$winsizeX = $CURRENT_PIC_DATA['pwidth'] + 16;
		$winsizeY = $CURRENT_PIC_DATA['pheight'] + 16;
		$xoopsTpl->assign('reduced', 1);
		$xoopsTpl->assign('winsizeX', $winsizeX);
		$xoopsTpl->assign('winsizeY', $winsizeY);
		$xoopsTpl->assign('uniqid_rand', uniqid(rand()));
		$xoopsTpl->assign('lang_view_fs', _MD_DIS_FULL);
	} else $xoopsTpl->assign('reduced', 0);

	if ($CURRENT_PIC_DATA['title']) {
		$xoopsTpl->assign('pic_title', $myts->makeTboxData4Show($CURRENT_PIC_DATA['title']));
	} else $xoopsTpl->assign('pic_title','');
	if ($CURRENT_PIC_DATA['caption']) {
		$xoopsTpl->assign('pic_caption', $myts->makeTareaData4Show($CURRENT_PIC_DATA['caption'],0));
	} else $xoopsTpl->assign('pic_caption','');
	
	if ((USER_ADMIN_MODE && $CURRENT_ALBUM_DATA['category'] == FIRST_USER_CAT + USER_ID) || GALLERY_ADMIN_MODE){
	  $xoopsTpl->assign('lang_confirm_del', _MD_DIS_CONF_DEL);
	  $xoopsTpl->assign('lang_del_pic', _MD_DIS_DEL_PIC);	
    }
    else{
	  $xoopsTpl->assign('lang_del_pic', '');
    }


}

function html_rating_box()
{
	global $CURRENT_PIC_DATA, $CURRENT_ALBUM_DATA;
    global $xoopsTpl;
	if (!(USER_CAN_RATE_PICTURES && $CURRENT_ALBUM_DATA['votes'] == 'YES')) return '';

	$votes = $CURRENT_PIC_DATA['votes'] ? sprintf(_MD_DIS_RATINGCUR, round($CURRENT_PIC_DATA['pic_rating']/2000, 1), $CURRENT_PIC_DATA['votes']) : _MD_DIS_NO_VOTE;
	$pid = $CURRENT_PIC_DATA['pid'];

	
	$xoopsTpl->assign('lang_rate_this_pic', _MD_DIS_RATE_THIS);	
	$xoopsTpl->assign('votes', $votes);	
	$xoopsTpl->assign('lang_rubbish', _MD_DIS_RUBBISH);
    $xoopsTpl->assign('lang_poor', _MD_DIS_POOR);	
    $xoopsTpl->assign('lang_fair', _MD_DIS_FAIR);	
    $xoopsTpl->assign('lang_good', _MD_DIS_GOOD);	
    $xoopsTpl->assign('lang_excellent', _MD_DIS_EXCELLENT);	
    $xoopsTpl->assign('lang_great', _MD_DIS_GREAT);		

}

// Display picture information
function html_picinfo()
{
	global $CURRENT_PIC_DATA, $CURRENT_ALBUM_DATA;
	global $album, $xoopsModuleConfig,$myts;
	global $xoopsTpl;

	$info[_MD_DIS_FNAME]   = $myts->makeTboxData4Show($CURRENT_PIC_DATA['filename']);
	$info[_MD_DIS_ANAME] = '<span class="alblink"><a href="thumbnails.php?album=' . $CURRENT_PIC_DATA['aid'] . '">' . $myts->makeTboxData4Show($CURRENT_ALBUM_DATA['title']).'</a></span>';
    $user_handler =& xoops_gethandler('member');
    $submitter =& $user_handler->getUser($CURRENT_PIC_DATA['owner_id']);
    if (is_object ($submitter)) {
        $info[_MD_DIS_UPLOADER] =  '<span class="alblink"><a href="'.XOOPS_URL.'/userinfo.php?uid=' . $submitter->uid() . '">' . $submitter->uname().'</a>&nbsp;&nbsp;<a href="thumbnails.php?album=usearch&amp;suid=' . $submitter->uid() . '" title="'._MD_DIS_VIEW_MORE_BY.' ' . $submitter->uname().'"><img src="images/more.gif" align="absmiddle" /></a></span>';
    }
	if ($CURRENT_PIC_DATA['votes'] > 0) {
		$info[sprintf(_MD_DIS_RATING, $CURRENT_PIC_DATA['votes'])] = '<img src="images/rating'.round($CURRENT_PIC_DATA['pic_rating']/2000).'.gif" align="absmiddle" />';
	}
    $keys = explode(' ', $myts->makeTboxData4Show($CURRENT_PIC_DATA['keywords']));
    $info[_MD_KEYS] = '<span class="alblink">';
    foreach($keys as $k){
        $info[_MD_KEYS].= "<a href=\"thumbnails.php?album=search&amp;search=".rawurlencode($k)."\">{$k}</a> ";
        }
	$info[_MD_KEYS].= '</span>';
	//$info[_MD_KEYS]   = '<span class="alblink">'.preg_replace("/(\S+)/","<a href=\"thumbnails.php?album=search&amp;search=\\1\">\\1</a>" , $myts->makeTboxData4Show($CURRENT_PIC_DATA['keywords'])).'</span>';

	for ($i =1; $i<= 4; $i++){
		if ($xoopsModuleConfig['user_field'.$i.'_name']) {
		    $info[$xoopsModuleConfig['user_field'.$i.'_name']] = $CURRENT_PIC_DATA['user'.$i];
		}
	}

	$info[_MD_DIS_FSIZE]  = ($CURRENT_PIC_DATA['filesize'] > 10240 ? ($CURRENT_PIC_DATA['filesize'] >> 10).' '._MD_KB : $CURRENT_PIC_DATA['filesize'].' '._MD_BYTES);
	$info[_MD_DIS_DIMEMS] = sprintf(_MD_DIS_SIZE, $CURRENT_PIC_DATA['pwidth'], $CURRENT_PIC_DATA['pheight']);
	$info[_MD_DIS_DISPLAYED]  = sprintf(_MD_DIS_VIEWS, $CURRENT_PIC_DATA['hits']);
    $info[_MD_DIS_SENT]  = sprintf(_MD_DIS_VIEWS, $CURRENT_PIC_DATA['sent_card']);

	$path_to_pic = $xoopsModuleConfig['fullpath'].$CURRENT_PIC_DATA['filepath'].$CURRENT_PIC_DATA['filename'];

	if ($xoopsModuleConfig['read_exif_data']) $exif = exif_parse_file($path_to_pic);
    if (isset($exif) && is_array($exif)){
		if (isset($exif['Camera'])) $info[_MD_DIS_CAMERA] = $exif['Camera'];
		if (isset($exif['DateTaken'])) $info[_MD_DIS_DATA_TAKEN] = $exif['DateTaken'];
		if (isset($exif['Aperture'])) $info[_MD_DIS_APERTURE] = $exif['Aperture'];
		if (isset($exif['ExposureTime'])) $info[_MD_DIS_EXPTIME] = $exif['ExposureTime'];
		if (isset($exif['FocalLength']))  $info[_MD_DIS_FLENGTH] = $exif['FocalLength'];
		if (isset($exif['Comment'])) $info[_MD_DIS_COMMENT] = $exif['Comment'];
	}
	if(USER_IS_ADMIN) $info[_MD_DIS_SUBIP] = $CURRENT_PIC_DATA['ip'];
	$xoopsTpl->assign('lang_picinfo_title', _MD_DIS_TITLE);
    $xoopsTpl->assign('picinfo', isset($HTTP_COOKIE_VARS['picinfo']) ? $HTTP_COOKIE_VARS['picinfo'] : ($xoopsModuleConfig['display_pic_info'] ? 'block' : 'none'));	
	foreach ($info as $key => $value){
      $xoopsTpl->append('infos',array('key'=> $key,'value'=>$value));
    }

}

// Display the full size image
function display_fullsize_pic()
{
	global $xoopsModuleConfig, $HTTP_GET_VARS, $ALBUM_SET;
	global $xoopsDB, $pic_out;


	if (isset($HTTP_GET_VARS['picfile'])){
	
		if (!GALLERY_ADMIN_MODE) redirect_header('index.php',2,_MD_ACCESS_DENIED);
		
		$picfile = $HTTP_GET_VARS['picfile'];
		$picname = $xoopsModuleConfig['fullpath'].$picfile;
		$imagesize = @getimagesize($picname);
		$pic_out= "<img src=\"".path2url($picname)."\" $imagesize[3] class=\"image\" border=\"0\" alt=\"$picfile\"/><br />\n";
	} elseif (isset($HTTP_GET_VARS['pid'])) {
		$pid = (int)$HTTP_GET_VARS['pid'];
		$sql =  "SELECT * ".
				"FROM ".$xoopsDB->prefix("xcgal_pictures")." ".
				"WHERE pid='$pid' $ALBUM_SET";
		$result = $xoopsDB->query($sql);

		if (!$xoopsDB->getRowsNum($result)) redirect_header('index.php',2,_MD_NON_EXIST_AP);

		$row = $xoopsDB->fetchArray($result);
		$pic_url = get_pic_url($row, 'fullsize');
		$geom = 'width="' . $row['pwidth'] . '" height="' . $row['pheight'] . '"';
		$pic_out= "<img src=\"".$pic_url."\" $geom class=\"image\" border=\"0\" alt=\"". htmlspecialchars($row['filename']). "\"><br />\n";
	}

}

function get_subcat_data($parent, $level)
{
    global $ALBUM_SET_ARRAY, $xoopsDB;

	$result = $xoopsDB->query("SELECT cid, name, description FROM ".$xoopsDB->prefix("xcgal_categories")." WHERE parent = '$parent'");
	if ($xoopsDB->getRowsNum($result) > 0){
		$rowset = db_fetch_rowset($result);
		foreach ($rowset as $subcat){
			$result=$xoopsDB->query("SELECT aid FROM ".$xoopsDB->prefix("xcgal_albums")." WHERE category = {$subcat['cid']}");
			$album_count = $xoopsDB->getRowsNum($result);
			while($row = $xoopsDB->fetchArray($result)){
				$ALBUM_SET_ARRAY[] = $row['aid'];
			} // while
		}
		if ($level > 1) get_subcat_data($subcat['cid'], $level -1);
	}
}

/**************************************************************************
 * Main code
 **************************************************************************/

$pos = isset($HTTP_GET_VARS['pos']) ? (int)$HTTP_GET_VARS['pos'] : (isset($HTTP_GET_VARS['pid']) ? -(int)$HTTP_GET_VARS['pid']: 0);

$cat = isset($HTTP_GET_VARS['cat']) ? (int)$HTTP_GET_VARS['cat'] : 0;
$album = isset($HTTP_GET_VARS['album']) ? $HTTP_GET_VARS['album'] : '';

// Build the private album set
if (!GALLERY_ADMIN_MODE && $xoopsModuleConfig['allow_private_albums']) get_private_album_set();

// Build the album set if required
if (!is_numeric($album) && $cat) { // Meta albums, we need to restrict the albums to the current category
	if ($cat < 0) {
	    $ALBUM_SET .= 'AND aid IN ('.(- $cat).') ';
	} else {
		$ALBUM_SET_ARRAY = array();
		if ($cat == USER_GAL_CAT)
		    $where = 'category > '.FIRST_USER_CAT;
		else
			$where = "category = '$cat'";

		$result=$xoopsDB->query("SELECT aid FROM ".$xoopsDB->prefix("xcgal_albums")." WHERE $where");
		while($row = $xoopsDB->fetchArray($result)){
			$ALBUM_SET_ARRAY[] = $row['aid'];
		} // while
		get_subcat_data($cat, $xoopsModuleConfig['subcat_level']);

		// Treat the album set
		if (count($ALBUM_SET_ARRAY)) {
			$set ='';
		    foreach ($ALBUM_SET_ARRAY as $album_id) $set .= ($set == '') ? $album_id : ','.$album_id;
			$ALBUM_SET .= "AND aid IN ($set) ";
		}
	}
}

// Retrieve data for the current picture

if ($pos < 0) {
    $pid = -$pos;
	$result = $xoopsDB->query("SELECT aid from ".$xoopsDB->prefix("xcgal_pictures")." WHERE pid='$pid' $ALBUM_SET LIMIT 1");
	if ($xoopsDB->getRowsNum($result) == 0) redirect_header('index.php',2,_MD_NON_EXIST_AP);
	$row = $xoopsDB->fetchArray($result);
	$album = $row['aid'];
	$pic_data = get_pic_data($album, $pic_count, $album_name, -1, -1, false);
	for($pos=0; $pic_data[$pos]['pid'] != $pid && $pos < $pic_count; $pos++);
	$pic_data = get_pic_data($album, $pic_count, $album_name, $pos, 1, false);
	$CURRENT_PIC_DATA = $pic_data[0];
} elseif (isset($pos)) {
	$pic_data = get_pic_data($album, $pic_count, $album_name, $pos, 1, false);
	if ($pic_count == 0) {
	    redirect_header('index.php',2,_MD_NO_IMG_TO_DISPLAY);
	} elseif (count($pic_data) == 0 && $pos >= $pic_count) {
	    $pos = $pic_count - 1;
		$human_pos = $pos + 1;
		$pic_data = get_pic_data($album, $pic_count, $album_name, $pos, 1, false);
	}
	$CURRENT_PIC_DATA = $pic_data[0];
}

// Retrieve data for the current album
if (isset($CURRENT_PIC_DATA)) {
	$result = $xoopsDB->query("SELECT title, comments, votes, category FROM ".$xoopsDB->prefix("xcgal_albums")." WHERE aid='{$CURRENT_PIC_DATA['aid']}' LIMIT 1");
	if (!$xoopsDB->getRowsNum($result)) redirect_header('index.php',2, sprintf(_MD_PIC_IN_INVALID_ALBUM,$CURRENT_PIC_DATA['aid']));
	$CURRENT_ALBUM_DATA = $xoopsDB->fetchArray($result);

    if (is_numeric($album)) {
		$cat = - $album;
		$actual_cat = $CURRENT_ALBUM_DATA['category'];
	} else {
		$actual_cat = $CURRENT_ALBUM_DATA['category'];
	}
}


if (isset($HTTP_GET_VARS['fullsize'])){
    display_fullsize_pic();
    require_once XOOPS_ROOT_PATH.'/class/template.php';
	$xoopsTpl = new XoopsTpl();
	$xoopsTpl->assign('sitename', $xoopsConfig['sitename']);
	$xoopsTpl->assign('gallery', $xoopsModule->getVar('name'));
	$xoopsTpl->assign('pic_out', $pic_out);
	$xoopsTpl->display('db:xcgal_fullsize.html');
	exit();
	
} elseif (isset($HTTP_GET_VARS['slideshow'])) {
    $xoopsOption['template_main'] = 'xcgal_slideshow.html';
    include XOOPS_ROOT_PATH."/header.php";
	$xoopsTpl->assign('speed', (int)$HTTP_GET_VARS['slideshow']);
    $i = 0;
	$j = 0;
	$pid = $HTTP_GET_VARS['pid'];
	$start_img = '';
	$pic_data = get_pic_data($HTTP_GET_VARS['album'], $pic_count, $album_name, -1, -1, false);
	foreach ($pic_data as $picture){
		if ($xoopsModuleConfig['make_intermediate'] && max($picture['pwidth'], $picture['pheight']) > $xoopsModuleConfig['picture_width'])  {
		    $picture_url = get_pic_url($picture, 'normal');
		} else {
		    $picture_url = get_pic_url($picture, 'fullsize');
		}

		
		$xoopsTpl->append('pics',array('pic_url'=> $picture_url,'i'=>$i));
		if ($picture['pid'] == $pid){
			$j = $i;
			$start_img = $picture_url;
		}
		$i++;
	}
	$xoopsTpl->assign('j', $j);
	$xoopsTpl->assign('album', isset($HTTP_GET_VARS['album']) ? $HTTP_GET_VARS['album'] : '');
	$xoopsTpl->assign('cat', isset($HTTP_GET_VARS['cat']) ? $HTTP_GET_VARS['cat'] : '');
    $xoopsTpl->assign('tab_width', $xoopsModuleConfig['picture_table_width']);
    $xoopsTpl->assign('cell_height',$xoopsModuleConfig['picture_width'] + 100);
    $xoopsTpl->assign('start_img',$start_img);
    $xoopsTpl->assign('lang_stop_slideshow',_MD_DIS_STOP_SLIDE);

    user_save_profile();
    $xoopsTpl->assign('gallery', $xoopsModule->getVar('name'));
    include_once "include/theme_func.php";
    main_menu();
	//$xoopsTpl->assign('xcgal_footer', pagefooter());
	do_footer();
	include_once "../../footer.php";
} else {
	if (!isset($pos)) redirect_header('index.php',2,_MD_NON_EXIST_AP);
	$picture_title = $CURRENT_PIC_DATA['title'] ? $CURRENT_PIC_DATA['title'] : strtr(preg_replace("/(.+)\..*?\Z/", "\\1", htmlspecialchars($CURRENT_PIC_DATA['filename'])), "_", " ");
    $xoopsOption['template_main'] = 'xcgal_display.html';
    include XOOPS_ROOT_PATH."/header.php";
	html_img_nav_menu();
	html_picture();
	html_rating_box();
	html_picinfo();
    user_save_profile();
    $xoopsTpl->assign('gallery', $xoopsModule->getVar('name'));
    include_once "include/theme_func.php";
    main_menu();
	//$xoopsTpl->assign('xcgal_footer', pagefooter());
	do_footer();
	include XOOPS_ROOT_PATH.'/include/comment_view.php';
	include_once "../../footer.php";
}

?>