class.ilQTIMaterial.php

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<?php
/*
    +-----------------------------------------------------------------------------+
    | ILIAS open source                                                           |
    +-----------------------------------------------------------------------------+
    | Copyright (c) 1998-2001 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 ilQTIMaterial
{
    public $label;
    public $flow;
    public $comment;
    public $mattext;
    public $matemtext;
    public $matimage;
    public $mataudio;
    public $matvideo;
    public $matapplet;
    public $matapplication;
    public $matref;
    public $matbreak;
    public $mat_extension;
    public $altmaterial;
    public $materials;
    
    public function __construct()
    {
        $this->flow = 0;
        $this->altmaterial = array();
        $this->materials = array();
    }
    
    public function addMattext($a_mattext)
    {
        array_push($this->materials, array("material" => $a_mattext, "type" => "mattext"));
    }

    public function addMatimage($a_matimage)
    {
        array_push($this->materials, array("material" => $a_matimage, "type" => "matimage"));
    }

    public function addMatemtext($a_matemtext)
    {
        array_push($this->materials, array("material" => $a_matemtext, "type" => "matemtext"));
    }

    public function addMataudio($a_mataudio)
    {
        array_push($this->materials, array("material" => $a_mataudio, "type" => "mataudio"));
    }

    public function addMatvideo($a_matvideo)
    {
        array_push($this->materials, array("material" => $a_matvideo, "type" => "matvideo"));
    }

    public function addMatapplet($a_matapplet)
    {
        array_push($this->materials, array("material" => $a_matapplet, "type" => "matapplet"));
    }

    public function addMatapplication($a_matapplication)
    {
        array_push($this->materials, array("material" => $a_matapplication, "type" => "matapplication"));
    }

    public function addMatref($a_matref)
    {
        array_push($this->materials, array("material" => $a_matref, "type" => "matref"));
    }

    public function addMatbreak($a_matbreak)
    {
        array_push($this->materials, array("material" => $a_matbreak, "type" => "matbreak"));
    }

    public function addMat_extension($a_mat_extension)
    {
        array_push($this->materials, array("material" => $a_mat_extension, "type" => "mat_extension"));
    }

    public function addAltmaterial($a_altmaterial)
    {
        array_push($this->materials, array("material" => $a_altmaterial, "type" => "altmaterial"));
    }
    
    public function getMaterialCount()
    {
        return count($this->materials);
    }
    
    public function getMaterial($a_index)
    {
        if (array_key_exists($a_index, $this->materials)) {
            return $this->materials[$a_index];
        } else {
            return false;
        }
    }
    
    public function setFlow($a_flow)
    {
        $this->flow = $a_flow;
    }
    
    public function getFlow()
    {
        return $this->flow;
    }
    
    public function setLabel($a_label)
    {
        $this->label = $a_label;
    }
    
    public function getLabel()
    {
        return $this->label;
    }
    
    public function extractText()
    {
        $text = "";
        if ($this->getMaterialCount()) {
            foreach ($this->materials as $mat) {
                if (strcmp($mat["type"], "mattext") == 0) {
                    $text .= $mat["material"];
                }
            }
        }
        return $text;
    }
}