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functions.php
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functions.php
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<?php
/*
This file is part of viood.
viood 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 3 of the License, or
(at your option) any later version.
viood 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
require_once 'config.php';
/**
* Recurses into a directory and writes the structure
* in an associative array
* @global string $pictureDir from config.php
* @param string $directory The directory to recurse into
* @param array $array The array to put the results in
* @param int $depth How deep should it go? (Default 1)
* @return array
*
*/
function recurse_dir($directory, $array, $depth=1, $include_info=true, $full_path=false) {
//TODO: if the folder contains neither images, nor folders, don't display
// echo $directory,"<br><br>";
global $pictureDir;
$relativePath = str_replace("..", "", $directory);
// echo $relativePath;
$path = $pictureDir.$relativePath;
// echo $path;
$dirName = basename($path);
if (!is_dir($path)) include '404.php';
$gallery_info = getGalleryInfo($dirName);
//get images to be ignored from gallery.json
if (is_array($gallery_info["ignore"])) $ignore_images = $gallery_info["ignore"];
else $ignore_images = array();
if ($handle = opendir($path)) {
//for each entry found inside $directory
while (false !== ($entry = readdir($handle))) {
$relativePath = $directory."/".$entry;
// echo $relativePath."<br>";
$path = $pictureDir."/".$relativePath;
//echo "$pictureDir -- $dirName -- $path -- $entry \n </br>";
//ignore . and .. , write directories to the array and recurse into them
if ($entry != "." && $entry != ".." && !in_array($entry,$ignore_images)) {
if (is_dir($path)) {
$array[$entry] = array();
if ($include_info) $array[$entry]["__info__"] = getGalleryInfo($path);
if ($depth!=0) $array[$entry] = recurse_dir($relativePath, $array[$entry], $depth - 1, $include_info, $full_path);
} else if(is_image($path) && is_supported($path)){
$array[$entry]= $full_path?$relativePath:$entry;
}
}
}
closedir($handle);
} //echo "final"; _print_r($array);
return $array;
}
/**
* Prints the html required to show a gallery
* @global string $base_url from config.php
* @global string $pictureDir from config.php
* @param string $path the path of the gallery we're printing div's from
* @param array the array with the directory structure
*/
function print_divs($path, $array) {
global $base_url;
global $pictureDir;
$rel_path = str_replace($pictureDir, "", $path);
foreach ($array as $name => $item) {
if ($name == "__info__") continue;
if (is_array($item) && count($item)) {
$info=array_shift($item);
//check if hidden
if (!isset($info['hidden']) || $info['hidden']==false){
//check json for flagship
if (isset($info['flagship']) && file_exists($pictureDir . "/" .$path . "/" . $name . "/" . $info['flagship']))
$galleryFlagship = $info['flagship']; else $galleryFlagship = reset($item);
?><a class="gallery" href="<?=$name?>/"><!--
flagship=<?= $info['flagship']; ?> resetitem= <?= reset($item); ?>
--><div class="galleryOverlay"><h3><?php echo $info["name"]; ?></h3><?=$info["description"]?></div>
<img class="gallery" src="<?= getThumb($path . "/" . $name . "/" . $galleryFlagship ) ?>"/></a><?php
}
} else { //sorry for the mess we must not have any spaces between inline-block items
?><a href="<?=$base_url."slideshow".$rel_path . $item?>"/><img class="picture" src="<?= getThumb($path . $item) ?>"/></a><?php
}
}
}
/**
* Returns the mime type of a file using php fileinfo
* @param string $file path to file
* @return string
*/
function mimetype($file){
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mimetype = finfo_file($finfo, $file);
finfo_close($finfo);
return $mimetype;
}
/**
* Checks mime type to see if file is image
* @param string $file the path to file to check if is image
* @return type
*/
function is_image($file){
return strstr(mimetype($file),"image")!==FALSE;
}
/**
* Checks mime type to see if file is supported
* @param string $file the path to file to check if supported
* @return type
*/
function is_supported($file){
return strstr(mimetype($file),"jpeg")!==FALSE ||
strstr(mimetype($file),"png")!==FALSE ||
strstr(mimetype($file),"gif")!==FALSE;
}
/**
* Same as builtin print_r but wrapped in <pre> tags
* If you have php_pdl you can uncomment two lines so that it overrides
* the default print_r
* @param type $array
*/
//override_function('print_r', '$array', 'return _print_r($array);');
function _print_r($array){
echo "<pre>";
print_r($array);
// __overridden__($array);
echo "</pre>";
}
/**
* Passes the image to liveThumb and returns the thumbnail
* @global string $base_url
* @param string $path The image path
* @return string The thumbnail url
*/
function getThumb($path){
global $base_url;
$lt = new Livethumb(array("thumbWidth"=>400, "thumbHeight"=>400, "fname"=>basename($path), "pathToImages"=> str_replace(basename($path), "", $path)));
return $base_url.$lt->getSrc();
}
/**
* Same as getThumb() but returns a bigger image
* @global string $base_url
* @param string $path The image path
* @return string The thumbnail url
*/
function getSlide($path){
global $base_url;
$lt = new Livethumb(array("thumbWidth"=>1980, "thumbHeight"=>1980, "fname"=>basename($path), "pathToImages"=> str_replace(basename($path), "", $path)));
return $base_url.$lt->getSrc();
}
/**
* Reads gallery.json and returns the data decoded into an associative array
* @param string $path The path to the gallery
* @return array The gallery info as an array
*/
function getGalleryInfo($path){
if (file_exists($path."/gallery.json"))
return json_decode(file_get_contents($path."/gallery.json"),true);
else return array();
}
/**
* Checks if there are standalone images in the requested path or only other galleries
* @param array $gallery_array The gallery
* @return bool Whether the gallery has images or not
*/
function hasImages($gallery_array){
foreach ($gallery_array as $item){
if (!is_array($item)){
return true;
}
}
return false;
}
function printSlideshowIcon($requested_path){
if (hasImages($requested_path)) { ?>
<a href="<?= $base_url."slideshow".$requested_path ?>/">
<img src="<?=$base_url?>slideshow.svg" alt="slideshow">
</a>
<?php }
}
/**
* Flattens the recursive array into just a list of images. Removes all info nodes
* @param array $array The gallery multidimensional array
* @return array A monodimentional array
*/
function flatten($array){
$return = array();
array_walk_recursive($array, function($a) use (&$return) { if ($a)$return[] = $a; });
return $return;
}