class.ilFileWizardInputGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2007 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program 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 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program 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 this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/
 
class ilFileWizardInputGUI extends ilFileInputGUI
{
        protected $filenames = array();
        protected $allowMove = false;
        protected $imagepath_web = "";
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
        }
 
        public function setImagePathWeb($a_path)
        {
                $this->imagepath_web = $a_path;
        }
        
        public function getImagePathWeb()
        {
                return $this->imagepath_web;
        }
 
        function setFilenames($a_filenames)
        {
                $this->filenames = $a_filenames;
        }
 
        function getFilenames()
        {
                return $this->filenames;
        }
 
        function setAllowMove($a_allow_move)
        {
                $this->allowMove = $a_allow_move;
        }
 
        function getAllowMove()
        {
                return $this->allowMove;
        }
 
        function checkInput()
        {
                global $lng;
                
                // see ilFileInputGUI
                // if no information is received, something went wrong
                // this is e.g. the case, if the post_max_size has been exceeded
                if (!is_array($_FILES[$this->getPostVar()]))
                {
                        $this->setAlert($lng->txt("form_msg_file_size_exceeds"));
                        return false;
                }
                
                $pictures = $_FILES[$this->getPostVar()];
                $uploadcheck = true;
                if (is_array($pictures))
                {
                        foreach ($pictures['name'] as $index => $name)
                        {
                                // remove trailing '/'
                                while (substr($name, -1) == '/')
                                {
                                        $name = substr($name, 0, -1);
                                }
 
                                $filename = $name;
                                $filename_arr = pathinfo($name);
                                $suffix = $filename_arr["extension"];
                                $mimetype = $pictures["type"][$index];
                                $size_bytes = $pictures["size"][$index];
                                $temp_name = $pictures["tmp_name"][$index];
                                $error = $pictures["error"][$index];
                                // error handling
                                if ($error > 0)
                                {
                                        switch ($error)
                                        {
                                                case UPLOAD_ERR_INI_SIZE:
                                                        $this->setAlert($lng->txt("form_msg_file_size_exceeds"));
                                                        $uploadcheck = false;
                                                        break;
 
                                                case UPLOAD_ERR_FORM_SIZE:
                                                        $this->setAlert($lng->txt("form_msg_file_size_exceeds"));
                                                        $uploadcheck = false;
                                                        break;
 
                                                case UPLOAD_ERR_PARTIAL:
                                                        $this->setAlert($lng->txt("form_msg_file_partially_uploaded"));
                                                        $uploadcheck = false;
                                                        break;
 
                                                case UPLOAD_ERR_NO_FILE:
                                                        if ($this->getRequired())
                                                        {
                                                                $filename = $this->filenames[$index];
                                                                if (!strlen($filename))
                                                                {
                                                                        $this->setAlert($lng->txt("form_msg_file_no_upload"));
                                                                        $uploadcheck = false;
                                                                }
                                                        }
                                                        break;
 
                                                case UPLOAD_ERR_NO_TMP_DIR:
                                                        $this->setAlert($lng->txt("form_msg_file_missing_tmp_dir"));
                                                        $uploadcheck = false;
                                                        break;
 
                                                case UPLOAD_ERR_CANT_WRITE:
                                                        $this->setAlert($lng->txt("form_msg_file_cannot_write_to_disk"));
                                                        $uploadcheck = false;
                                                        break;
 
                                                case UPLOAD_ERR_EXTENSION:
                                                        $this->setAlert($lng->txt("form_msg_file_upload_stopped_ext"));
                                                        $uploadcheck = false;
                                                        break;
                                        }
                                }
 
                                // check suffixes
                                if ($pictures["tmp_name"][$index] != "" && is_array($this->getSuffixes()))
                                {
                                        if (!in_array(strtolower($suffix), $this->getSuffixes()))
                                        {
                                                $this->setAlert($lng->txt("form_msg_file_wrong_file_type"));
                                                $uploadcheck = false;
                                        }
                                }
 
                                // virus handling
                                if ($pictures["tmp_name"][$index] != "")
                                {
                                        $vir = ilUtil::virusHandling($temp_name, $filename);
                                        if ($vir[0] == false)
                                        {
                                                $this->setAlert($lng->txt("form_msg_file_virus_found")."<br />".$vir[1]);
                                                $uploadcheck = false;
                                        }
                                }
                        }
 
                }
 
                if (!$uploadcheck)
                {
                        return FALSE;
                }
                
                return $this->checkSubItemsInput();
        }
 
        function insert(&$a_tpl)
        {
                global $lng;
                
                $tpl = new ilTemplate("tpl.prop_filewizardinput.html", true, true, "Services/Form");
 
                $i = 0;
                foreach ($this->filenames as $value)
                {
                        if (strlen($value))
                        {
                                $tpl->setCurrentBlock("image");
                                $tpl->setVariable("SRC_IMAGE", $this->getImagePathWeb() . ilUtil::prepareFormOutput($value));
                                $tpl->setVariable("PICTURE_FILE", ilUtil::prepareFormOutput($value));
                                $tpl->setVariable("ID", $this->getFieldId() . "[$i]");
                                $tpl->setVariable("ALT_IMAGE", ilUtil::prepareFormOutput($value));
                                $tpl->parseCurrentBlock();
                        }
                        if ($this->getAllowMove())
                        {
                                $tpl->setCurrentBlock("move");
                                $tpl->setVariable("CMD_UP", "cmd[up" . $this->getFieldId() . "][$i]");
                                $tpl->setVariable("CMD_DOWN", "cmd[down" . $this->getFieldId() . "][$i]");
                                $tpl->setVariable("ID", $this->getFieldId() . "[$i]");
                                include_once("./Services/UIComponent/Glyph/classes/class.ilGlyphGUI.php");
                                $tpl->setVariable("UP_BUTTON", ilGlyphGUI::get(ilGlyphGUI::UP));
                                $tpl->setVariable("DOWN_BUTTON", ilGlyphGUI::get(ilGlyphGUI::DOWN));                                                    
                                $tpl->parseCurrentBlock();
                        }
 
                        $this->outputSuffixes($tpl, "allowed_image_suffixes");
                        
                        $tpl->setCurrentBlock("row");                   
                        $tpl->setVariable("POST_VAR", $this->getPostVar() . "[$i]");
                        $tpl->setVariable("ID", $this->getFieldId() . "[$i]");
                        $tpl->setVariable("CMD_ADD", "cmd[add" . $this->getFieldId() . "][$i]");
                        $tpl->setVariable("CMD_REMOVE", "cmd[remove" . $this->getFieldId() . "][$i]");
                        $tpl->setVariable("ALT_ADD", $lng->txt("add"));
                        $tpl->setVariable("ALT_REMOVE", $lng->txt("remove"));
                        if ($this->getDisabled())
                        {
                                $tpl->setVariable("DISABLED",
                                        " disabled=\"disabled\"");
                        }
                        
                        include_once("./Services/UIComponent/Glyph/classes/class.ilGlyphGUI.php");
                        $tpl->setVariable("ADD_BUTTON", ilGlyphGUI::get(ilGlyphGUI::ADD));
                        $tpl->setVariable("REMOVE_BUTTON", ilGlyphGUI::get(ilGlyphGUI::REMOVE));                        
                        $tpl->setVariable("TXT_MAX_SIZE", $lng->txt("file_notice") . " " . $this->getMaxFileSizeString());
                        $tpl->parseCurrentBlock();
                        $i++;
                }
                $tpl->setVariable("ELEMENT_ID", $this->getFieldId());
 
                $a_tpl->setCurrentBlock("prop_generic");
                $a_tpl->setVariable("PROP_GENERIC", $tpl->get());
                $a_tpl->parseCurrentBlock();
                
                global $tpl;            
                $tpl->addJavascript("./Services/Form/js/ServiceFormWizardInput.js");
                $tpl->addJavascript("./Services/Form/templates/default/filewizard.js");
        }
}