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<?php
// $Id$
/**
* @file
* hook_file and uploadfield file functions.
*/
/**
* Implementation of hook_file_insert().
*/
function uploadfield_file_insert($file) {
// Currently empty. Thumbnails are now generated on preview.
}
/**
* Implementation of hook_file_delete().
*
* Delete the admin thumbnail when the original is deleted.
*/
function uploadfield_file_delete($file) {
// delete thumb from files
// file_set_status($file->data['video_thumb_fid'], FILE_STATUS_TEMPORARY);
db_query('DELETE FROM {files} WHERE fid = %d', $file->data['video_thumb_fid']);
// delete thums directory
$thumbs_path = variable_get('video_thumb_path', 'video_thumbs');
//files will save in files/video_thumbs/#fileId folder
$tmp = file_directory_path(). '/' . $thumbs_path . '/' . $file->fid . '/';
// rmdir($tmp);
_file_delete_tree($tmp);
// if(@rmdir($tmp)) {
// }
}
// delete dir and its content
function _file_delete_tree($current_dir) {
if($dir = @opendir($current_dir)) {
while (($f = readdir($dir)) !== false) {
if($f > '0' and filetype($current_dir.$f) == "file") {
file_delete($current_dir.$f);
} elseif($f > '0' and filetype($current_dir.$f) == "dir") {
_file_delete_tree($current_dir.$f."\\");
}
}
closedir($dir);
rmdir($current_dir);
}
}
/**
* Simple utility function to check if a file is an image.
*/
function uploadfield_file_is_image($file) {
return TRUE;
//TODO : add file validations
$file = (object)$file;
return in_array($file->filemime, array('image/jpg', 'image/pjpeg', 'image/jpeg', 'image/png', 'image/gif'));
}
/**
* Given a file, return the path the image thumbnail used while editing.
*/
function uploadfield_file_admin_thumb_path($file, $create_thumb = TRUE) {
$file = (object)$file;
$short_path = preg_replace('/^' . preg_quote(file_directory_path(), '/') . '/', '', $file->filepath);
$filepath = file_directory_path() . '/video_thumb' . $short_path;
if ($create_thumb) {
uploadfield_create_admin_thumb($file->filepath, $filepath);
}
return $filepath;
}
/**
* Create a thumbnail to be shown while editing an image.
*/
function uploadfield_create_admin_thumb($source, $destination) {
if (!is_file($source)) {
return FALSE;
}
$info = image_get_info($source);
$size = explode('x', variable_get('uploadfield_thumb_size', '100x100'));
// Check if the destination image needs to be regenerated to match a new size.
if (is_file($destination)) {
$thumb_info = image_get_info($destination);
if ($thumb_info['width'] != $size[0] && $thumb_info['height'] != $size[1] && ($info['width'] > $size[0] || $info['height'] > $size[1])) {
unlink($destination);
}
else {
return;
}
}
// Ensure the destination directory exists and is writable.
$directories = explode('/', $destination);
array_pop($directories); // Remove the file itself.
// Get the file system directory.
$file_system = file_directory_path();
foreach ($directories as $directory) {
$full_path = isset($full_path) ? $full_path . '/' . $directory : $directory;
// Don't check directories outside the file system path.
if (strpos($full_path, $file_system) === 0) {
field_file_check_directory($full_path, FILE_CREATE_DIRECTORY);
}
}
// Create the thumbnail.
if ($info['width'] <= $size[0] && $info['height'] <= $size[1]) {
file_copy($source, $destination);
}
elseif (image_get_toolkit() && @image_scale($source, $destination, $size[0], $size[1])) {
// Set permissions. This is done for us when using file_copy().
@chmod($destination, 0664);
}
else {
drupal_set_message(t('An image thumbnail was not able to be created.'), 'error');
}
}
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