<?
# DMI-GAL - An Image Gallery derived from DMI
# dmi-core.inc - The core library for DMI-GAL
# Copyright (c) 2002 Tony J. White <tjw@tjw.or>
# Copyright (c) 2002 Sandino Araico Sánchez <sandino@sandino.net>

/*  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
 */
 
# Changelog:
# 2002-01-25 Tony J. White tjw@tjw.org - DirectoryMediaIndex (dmi) 1.2
# 2002-08-29 Sandino Araico Sánchez
#	extracted core functions from dmi-lib
# 2002-09-08 Sandino Araico Sánchez - Use HOPP
# 2002-09-09 Sandino Araico Sánchez - Use dmi-thumb

if(!defined('__DMI_CORE__'))
{
define('__DMI_CORE__',1);
//**********************************************************************/
include 'dmi-autoconf.inc';
include 'dmi-lib.inc';
include 'dmi-thumb.inc';
include 'hopp.conf.inc.php';
include __HOPP_INCLUDE_PATH.'template/template-basic.inc';
//**********************************************************************/
// this function is the replacement for /bin/find to make things a
// little safer and to possibly allow windows portability
function getListing() {
	if(!is_dir(__DMI_PHOTO_DIR)) {
		    s_log_error(__DMI_PHOTO_DIR." is not a directory!");
		    return 0;
	}
	$dir_handle = opendir(__DMI_PHOTO_DIR);
	while($file = readdir($dir_handle)) {
		if($file == ".." || $file == ".") continue;

		$full_file = __DMI_PHOTO_DIR."/".$file;
		s_log("full_file: $full_file");
		$img_info = @getImageSize($full_file);
		if(is_array($img_info)) {
			$img_info['title']=getImageTitle($full_file);
			$img_info['ctime']=filectime ($full_file);
			$img_info['full_file']=$full_file;
			$img_infos[] = $img_info;
			$files[] = $file;
			$thumb_name=__DMI_THUMBS_DIR
				.stripExtension($file)."_thumb"
				.getExtension($img_info[2]);
			$thumb_info =  @getImageSize($thumb_name);
			s_log("thumb_name: $thumb_name");	
			if(is_array($thumb_info)) {
				foreach($thumb_info as $key => $value)
					s_log("key: $key\tvalue: $value");
				$thumb_infos[] = $thumb_info;
			}	
			else {
				if(!defined('_H_CACHE_NO_STORE'))
					define('_H_CACHE_NO_STORE',1);
				$thumb_infos[] = "";
			}	
		}
		elseif(is_mpeg_video($file)) {
			$files[] = $file;
			$thumb_info =  @getImageSize(__DMI_THUMBS_DIR
				.stripExtension($file)."_thumb.gif");
			if(is_array($thumb_info)) 
				$thumb_infos[] = $thumb_info;
			else $thumb_infos[] = "";
		}
		$img_info = "";
		$thumb_info = "";
	}
	$sort_infos=getSortInfos($img_infos);
	return array($files, $thumb_infos, $img_infos, $sort_infos);
}

function getTableHead($numfiles,$FIRST,$COLS,$AREA, $template_prefix='fotos')
{
	global $PHP_SELF;
	if($FIRST==0)
		$previous='';
	else
	{
		$prev_last=($AREA>$numfiles)?$numfiles:$AREA;
		$prev_last=$prev_last==1?"":" - $prev_last";
		//$previous="<a href=$PHP_SELF>1$prev_last</a> &lt;&lt; ";
		$replace=array(
			'###FIRST_URL###' => $PHP_SELF,
			'###FIRST_NAME###' => "1$prev_last"
		);
		$previous=h_template_get_parsed_file("$template_prefix-first", $replace);
		if($FIRST>$AREA)
		{
			$prev_first=$FIRST-$AREA;
			$prev_first_num=$prev_first+1;
			$prev_first_num=$prev_first_num==$FIRST?"":"$prev_first_num - ";
			//$previous.="<a href=$PHP_SELF?FIRST=$prev_first>$prev_first_num$FIRST</a> &lt; ";
			$replace=array(
				'###PREV_URL###' => "$PHP_SELF?FIRST=$prev_first",
				'###PREV_NAME###' => "$prev_first_num$FIRST"
			);
			$previous.=h_template_get_parsed_file("$template_prefix-previous", $replace);
		}
		else if(DMI_NAV_SHOW_EDGES)
		{
			$replace=array(
				'###PREV_URL###' => $PHP_SELF,
				'###PREV_NAME###' => "1$prev_last"
			);
			$previous.=h_template_get_parsed_file("$template_prefix-previous", $replace);
		}
	}
	$LAST=$FIRST+$AREA;
	#s_log("FIRST: $FIRST\tLAST: $LAST\tAREA: $AREA\tnumfiles: $numfiles");
	//$LAST=$LAST>$numfiles?$numfiles:$LAST;
	if($LAST<$numfiles)
	{
		$next_last=$LAST+$AREA;
		if($next_last<$numfiles)
		{
			$next_first_num=$LAST+1;
			$next_first_num=$next_first_num==$next_last?'':"$next_first_num - ";
			//$next=" &gt; <a href=$PHP_SELF?FIRST=$LAST>$next_first_num$next_last</a>";
			$replace=array(
				'###NEXT_URL###' => "$PHP_SELF?FIRST=$LAST",
				'###NEXT_NAME###' => "$next_first_num$next_last"
			);
			$next=h_template_get_parsed_file("$template_prefix-next", $replace);
			if($numfiles-$next_last>$AREA)
				$next_last=$numfiles-$AREA;
		}
		else
		{
			$next_last=$LAST;
			if(DMI_NAV_SHOW_EDGES)
			{
				$last_first_num=$next_last+1;
				$last_first_num=$last_first_num==$numfiles?'':"$last_first_num - ";
				$replace=array(
					'###NEXT_URL###' => "$PHP_SELF?FIRST=$next_last",
					'###NEXT_NAME###' => "$last_first_num$numfiles"
				);
				$next=h_template_get_parsed_file("$template_prefix-next", $replace);
			}
		}	
			
		$last_first_num=$next_last+1;
		$last_first_num=$last_first_num==$numfiles?'':"$last_first_num - ";
		//$next.=" &gt;&gt; <a href=$PHP_SELF?FIRST=$next_last>$last_first_num$numfiles</a>";
		$replace=array(
			'###LAST_URL###' => "$PHP_SELF?FIRST=$next_last",
			'###LAST_NAME###' => "$last_first_num$numfiles"
		);
		$next.=h_template_get_parsed_file("$template_prefix-last", $replace);
	}
	else
	{	
		$LAST=$numfiles;
		$next='';
	}
	if(empty($previous)&&empty($next))
		return;
	$first_num=$FIRST+1;
	if(defined('__DMI_BIG')) {
		$replace=array(
			'###CENT_URL###' => __DMI_SCRIPT."?FIRST=$FIRST",
			'###CENT_NAME###' => __DMI_THUMB_LINK
		);
		$center=h_template_get_parsed_file("$template_prefix-center-big", $replace);
	} else {
		$replace=array(
			'###CENT_NAME###' => "$first_num - $LAST"
		);
		$center=h_template_get_parsed_file("$template_prefix-center", $replace);
	}
	$replace=array(
		'###PREV###' => $previous,
		'###CENT###' => $center,
		'###NEXT###' => $next
	);
	if(defined('__DMI_BIG')) 
		$return=h_template_get_parsed_file("$template_prefix-table_head-big", $replace);
	else
		$return=h_template_get_parsed_file("$template_prefix-table_head", $replace);
	return $return;
}

//**********************************************************************/
} // __DMI_CORE__

?>