class.ilFileUploadSettings.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilFileUploadSettings
{
    const CONCURRENT_UPLOADS_DEFAULT = 3;
    const CONCURRENT_UPLOADS_MAX = 10;
    
    private static $instance = null;
    
    private $settings = null;
    
    private $dndUploadEnabled = true;
 
    private $repositoryDndUploadEnabled = true;
 
    private $concurrentUploads = self::CONCURRENT_UPLOADS_DEFAULT;
 
    private function __construct()
    {
        $this->settings = new ilSetting("fileupload");
        $this->dndUploadEnabled = $this->settings->get("dnd_upload_enabled", true) == true;
        $this->repositoryDndUploadEnabled = $this->settings->get("repository_dnd_upload_enabled", true) == true;
        $this->concurrentUploads = $this->settings->get("concurrent_upload_count", self::CONCURRENT_UPLOADS_DEFAULT);
    }
 
    public static function setDragAndDropUploadEnabled($newValue)
    {
        $instance = self::getInstance();
        $instance->dndUploadEnabled = $newValue == true;
        $instance->settings->set("dnd_upload_enabled", $instance->dndUploadEnabled);
    }
    
    public static function isDragAndDropUploadEnabled()
    {
        return self::getInstance()->dndUploadEnabled;
    }
 
    public static function setRepositoryDragAndDropUploadEnabled($newValue)
    {
        $instance = self::getInstance();
        $instance->repositoryDndUploadEnabled = $newValue == true;
        $instance->settings->set("repository_dnd_upload_enabled", $instance->repositoryDndUploadEnabled);
    }
    
    public static function isRepositoryDragAndDropUploadEnabled()
    {
        return self::getInstance()->repositoryDndUploadEnabled;
    }
 
    public static function setConcurrentUploads($newValue)
    {
        // is number?
        if (is_numeric($newValue)) {
            // don't allow to large numbers
            $newValue = (int) $newValue;
            if ($newValue < 1) {
                $newValue = 1;
            } elseif ($newValue > self::CONCURRENT_UPLOADS_MAX) {
                $newValue = self::CONCURRENT_UPLOADS_MAX;
            }
        } else {
            $newValue = self::CONCURRENT_UPLOADS_DEFAULT;
        }
        
        $instance = self::getInstance();
        $instance->concurrentUploads = $newValue;
        $instance->settings->set("concurrent_upload_count", $instance->concurrentUploads);
    }
    
    public static function getConcurrentUploads()
    {
        return self::getInstance()->concurrentUploads;
    }
    
    private static function getInstance()
    {
        if (self::$instance == null) {
            self::$instance = new ilFileUploadSettings();
        }
        
        return self::$instance;
    }
}