<?php
/*
--------------------------
Класс для работы с файлами
--------------------------
*/
class file{
/*
--------------
Загрузка файла
--------------
*/
public static function upload($path) {
//$path - путь обращения к обработчику
?>
<form id="upload-container" class="upload-container upload-container-n" method="POST" action="<?=$path?>" enctype="multipart/form-data">
<input id="file-input" type="file" name="file[]" multiple required>
<label for="file-input" class="upload-container-button"><?=icons('upload', 17, 'fa-fw')?> <?=lg('Загрузить')?></label><br />
<span><?=lg('или перетащите сюда файлы')?></span>
</form>
<div id="result"></div>
<script>
$(document).ready(function(){
var dropZone2 = document.getElementById('upload-container');
var dropZone = $('#upload-container');
dropZone.on('drag dragstart dragend dragover dragenter dragleave drop', function(){
return false;
});
dropZone.on('dragover dragenter', function() {
dropZone2.setAttribute('class', 'upload-container upload-container-a');
});
dropZone.on('dragleave', function(e) {
dropZone2.setAttribute('class', 'upload-container upload-container-n');
});
dropZone.on('drop', function(e) {
dropZone2.setAttribute('class', 'upload-container upload-container-n');
var files = e.originalEvent.dataTransfer.files;
sendFiles(files);
});
$('#file-input').change(function() {
var files = this.files;
sendFiles(files);
});
function sendFiles(files) {
var Data = new FormData();
$(files).each(function(index, file) {
Data.append('file[]', file);
});
$.ajax({
xhr: function() {
var xhr = new window.XMLHttpRequest();
xhr.upload.addEventListener("progress", function(evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
percentComplete = parseInt(percentComplete * 100);
$('#result').html("<div class='file-upload'><div class='file-upload-progress'><div class='file-upload-progress-ind' style='width: "+percentComplete+"%;'><div class='file-upload-progress-ind-num'><?=lg('Загрузка')?> "+percentComplete+"%</div></div></div></div>");
dropZone2.style.display = 'none';
if (percentComplete === 100) {
$('#result').html("<div class='file-upload'><div class='file-upload-progress'><div class='file-upload-progress-ind' style='width: 100%; background-color: #53CE9F;'><div class='file-upload-progress-ind-num'><?=lg('Успешно загружено')?> 100%</div></div></div></div>");
}
}
}, false);
return xhr;
},
url: dropZone.attr('action'),
type: dropZone.attr('method'),
data: Data,
cache: false,
contentType: false,
processData: false,
success: function(data) {
$('#result').html(data);
dropZone2.style.display = '';
}
});
}
});
</script>
<?
}
/*
-------------------------------------------
Функция отдачи файла на просмотр/скачивание
-------------------------------------------
*/
public static function download($filename, $name, $mimetype='application/octet-stream'){
if (!file_exists($filename)){ die('Файл не найден'); }
@ob_end_clean();
$from = 0;
$size = filesize($filename);
$to = $size;
header('Cache-Control: max-age=2592000, public');
header('Pragma: public');
if (isset($_SERVER['HTTP_RANGE'])){
if (preg_match('#bytes=-([0-9]*)#i', $_SERVER['HTTP_RANGE'], $range)){
$from = $size-$range[1];
$to = $size;
}elseif (preg_match('#bytes=([0-9]*)-#i', $_SERVER['HTTP_RANGE'], $range)){
$from = $range[1];
$to = $size;
}elseif (preg_match('#bytes=([0-9]*)-([0-9]*)#i', $_SERVER['HTTP_RANGE'], $range)){
$from = $range[1];
$to = $range[2];
}
header('HTTP/1.1 206 Partial Content');
$cr = 'Content-Range: bytes '.$from .'-'.$to.'/'.$size;
}else{
header('HTTP/1.1 200 Ok');
$etag = md5($filename);
$etag = substr($etag, 0, 8) . '-' . substr($etag, 8, 7) . '-' . substr($etag, 15, 8);
header('ETag: "'.$etag.'"');
header('Accept-Ranges: bytes');
header('Content-Length: ' .($to-$from));
if (isset($cr)){ header($cr); }
header('Connection: close');
header('Content-Type: ' . $mimetype);
header('Last-Modified: ' . gmdate('r', filemtime($filename)));
header("Last-Modified: ".gmdate("D, d M Y H:i:s", filemtime($filename))." GMT");
header("Expires: ".gmdate("D, d M Y H:i:s", TM + 3600)." GMT");
$f = fopen($filename, 'rb');
if (preg_match('#^image/#i', $mimetype)){
header('Content-Disposition: filename="'.$name.'";');
}else{
header('Content-Disposition: attachment; filename="'.$name.'";');
}
fseek($f, $from, SEEK_SET);
$size = $to;
$downloaded = 0;
while (!feof($f) && !connection_status() && ($downloaded < $size)) {
$block = min(1024 * 8, $size - $downloaded);
echo fread($f, $block);
$downloaded += $block;
flush();
}
fclose($f);
}
}
/*
---------------------------------------------------
Функция задающая соответствие mime типов расширению
---------------------------------------------------
*/
public static function mime($ras = null){
if ($ras == null){
return 'application/octet-stream';
}else{
$htaccess = file(ROOT.'/.htaccess');
for ($i = 0; $i < count($htaccess); $i++){
if (preg_match('#^AddType#i', trim($htaccess[$i]))){
$type = explode(' ', trim($htaccess[$i]));
$rass = str_replace('.', null, $type[2]);
$mime[$rass] = $type[1];
}
}
if (isset($mime[$ras])){
return $mime[$ras];
}else{
return 'application/octet-stream';
}
}
}
/*
---------------------------
Стилизация расширения файла
---------------------------
*/
public static function ext($ext = null, $data = 'big'){
//$data - версия иконки. big или small
//$ext - формат файла
if ($ext == 'jpg'){
return file_icons($ext, '#47CE9A', 'camera', $data);
}elseif ($ext == 'jpeg'){
return file_icons($ext, '#47CE9A', 'camera', $data);
}elseif ($ext == 'png'){
return file_icons($ext, '#35B0EF', 'image', $data);
}elseif ($ext == 'gif'){
return file_icons($ext, '#DC4ADA', 'image', $data);
}elseif ($ext == 'svg'){
return file_icons($ext, '#F5595D', 'image', $data);
}elseif ($ext == 'mp4'){
return file_icons($ext, '#59A8F5', 'film', $data);
}elseif ($ext == 'avi'){
return file_icons($ext, '#A8CD3E', 'play', $data);
}elseif ($ext == '3gp'){
return file_icons($ext, '#E1D35A', 'play', $data);
}elseif ($ext == 'flv'){
return file_icons($ext, '#59CBD2', 'play', $data);
}elseif ($ext == 'mkv'){
return file_icons($ext, '#FB5C51', 'play', $data);
}elseif ($ext == 'mp3'){
return file_icons($ext, '#F74E52', 'music', $data);
}elseif ($ext == 'doc'){
return file_icons($ext, '#6191FF', 'file-text', $data);
}elseif ($ext == 'docx'){
return file_icons($ext, '#6191FF', 'file-text', $data);
}elseif ($ext == 'ppt'){
return file_icons($ext, '#F95353', 'file-powerpoint-o', $data);
}elseif ($ext == 'pdf'){
return file_icons($ext, '#F95353', 'file-powerpoint-o', $data);
}elseif ($ext == 'pptx'){
return file_icons($ext, '#F95353', 'file-powerpoint-o', $data);
}elseif ($ext == 'txt'){
return file_icons($ext, '#5ED565', 'file-text', $data);
}elseif ($ext == 'apk'){
return file_icons($ext, '#48C983', 'android', $data);
}elseif ($ext == 'zip'){
return file_icons($ext, '#FFAD34', 'file-zip-o', $data);
}elseif ($ext == 'rar'){
return file_icons($ext, '#FFAD34', 'file-zip-o', $data);
}elseif ($ext == 'acms'){
return file_icons($ext, '#349AFF', 'gear', $data);
}elseif ($ext == 'themes'){
return file_icons($ext, '#58B5FF', 'paint-brush', $data);
}else{
return file_icons($ext, '#E4E033', $data);
}
}
}