<?php
//#################################################################################################
//	Insert pictures into content helper functions
//#################################################################################################
//	chillyCMS - Content Management System
//	Copyright (C) 2008
//	Stefanie Wiegand <hide@address.com> & Johannes Cox <hide@address.com>
//	
//	This program is licensed under the GPL 3.0 license. For more information see LICENSE.txt.
//#################################################################################################
//	insertpictures_form()
//	show_minipics($folder)
//	folderselect_recursive()
//#################################################################################################
defined('DOIT') or die('Restricted access');

//Insert pictures form/////////////////////////////////////////////////////////////////////////////
function insert_pictures() {
	global $showfolder,$mysession,$is_admin,$l_edit,$l_gen,$page;
	$insertpictures = "<div class='popup'><br />".
	"<h3 class='center'>$l_edit[lbl_pic]</h3><a class=\"info\" title=\"".$l_edit["lbl_howto"]."\"></a><br />";
	$folders=array();
	$path="../media";
	$folders[]=$path;
	folderselect_recursive($path,$folders);
	$sql="select name from system_groups where";
	foreach ($mysession->user->gids as $gid) {
		$sql.=" gid=$gid or";
	}
	$sql=substr($sql,0,-3);
	$page->query($sql);
	$result = $page->db->getdata_array();
	$okgroups=array();
	foreach ($result as $group) {
		$okgroups[]=$group["name"];
	}
	$insertpictures .= "<form style='margin:0 0 0 10px;' method='post' action='insertpictures.site.php'>".
	"<select name='folder' size='1' class='button'>";
	sort($folders);
	foreach ($folders as $folder) {
		$folderend=explode("/",$folder);
		$folderend=array_pop($folderend);
		//either a group the user is in or the media folder
		if (in_array($folderend,$okgroups) or $folderend=="media" or $is_admin) {
			if ($showfolder==$folder) {
				$insertpictures .= "<option selected='selected'>$folder</option>";
			} else {
				$insertpictures .= "<option>$folder</option>";
			}
		}
	}
	$insertpictures .= "</select><input type='submit' class='button' value='$l_gen[lbl_show]'></input></form>";
	$insertpictures .= show_minipics($showfolder);
	$insertpictures .= "</div>";
	
	return $insertpictures;
}
//Show links to all items /////////////////////////////////////////////////////////////////////////
function show_minipics($path) {
	global $showfolder,$mysession,$is_admin,$page;
	//Open selected folder
	$fh = opendir($path);
	$verzeichnisinhalt = array();
	while (true == ($file = readdir($fh))) {
		//Validate file formats	//TODO
		$formats=array("jpeg",".jpg",".png",".gif");
		if (in_array(substr(strtolower($file),-4), $formats)) {        
			$verzeichnisinhalt[] = $file;
		}
	}
	//Check if the directory is a groupfolder
	$thisfolder = explode("/",substr($path,0,-1));
	$foldername = array_pop($thisfolder);
	$sql = "select u.uid from system_groups as g, system_users as u where g.name='$foldername' and g.moderator=u.uid";
	$page->query($sql);
	$uid = $page->db->getdata();

	//The moderator's uid
	$moduid=$uid["uid"];
	$is_mod=false;
	if ($moduid == $mysession->user->uid) { $is_mod=true; }
	
	//append / if required
	if (substr($path,-1)!="/") { $path.="/"; }
	
	sort($verzeichnisinhalt);
	$minipics = "\t\t<div class='minipics'>\n".
	"\t\t\t<table cellspacing='10'>\n";
	//Generate thumbnails
	for($i=0;$i<sizeof($verzeichnisinhalt);$i++) {
		$minipics .= "\t\t\t\t<tr>\n";
		for ($j=0;$j<5;$j++) {
			if ($i<sizeof($verzeichnisinhalt)) {
				//make name short enough not to destroy the layout
				$imgname = substr($verzeichnisinhalt[$i],0,strlen($verzeichnisinhalt[$i])-4);
				if (strlen($imgname)>=9) { $imgname = substr($imgname,0,8).'...'; }
			
				//One row (5 images)
				$minipics .= "\t\t\t\t\t<td class='miniimages'>";
				//Show file images
				$minipics .= "<img src='".$path.$verzeichnisinhalt[$i]."' ".
				" alt='$verzeichnisinhalt[$i]' title=\"$verzeichnisinhalt[$i]\" />".
				"\t\t\t\t\t<p style='overflow:hidden;'>".$imgname."</p></td>\n";
				if ($j<4) { $i++; }
			}
		}
		$minipics .= "\t\t\t\t</tr>\n";
	}
	$minipics .= "\t\t\t</table>\n".
	"\t\t</div>\n".
	"\t<div class='clr'></div>\n".
	"\t</div>\n";
	
	return $minipics;
}
//Show folder select///////////////////////////////////////////////////////////////////////////////
function folderselect_recursive($path,&$folders) {
	global $mysession,$is_admin,$page;
	$result = false;
	$handle = opendir($path);
	//does the directory exist and can it be accessed?
	if ($handle) {
		//is there any content?
		while (false !== ($file = readdir($handle))) {
			//file is not the folder itself or the parent folder
			if ($file != "." && $file != "..") {
				$name = $path."/".$file;
				$printname=substr($name,strlen($path)+1);
				//"file" is a folder
				if (is_dir($name)) {
					array_push($folders,$name);
					//is the user allowed to see the folder? if not stop recursing into it
					$foldername=explode("/",$name);
					$myfolder=array_pop($foldername);
					$page->query("select gid from system_groups where name='$myfolder' limit 1");
					$result = $page->db->getdata();
					//If the user is in that group show him the folder
					if ($is_admin or $result>2) {
						$ar = folderselect_recursive($name,$folders);
					}
				}
			}
		}	
	}
	//close directory and return the contents
	closedir($handle);
	return $result; 
}
?>