class.ilRandomTestInputGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilRandomTestInputGUI extends ilSubEnabledFormPropertyGUI
{
        protected $values = array();
        protected $equal_points = false;
        protected $question_count = true;
        protected $random_pools = array();
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
                $this->setRequired(true);
        }

        function setValue($a_value)
        {
                $this->values = array();
                include_once "./Modules/Test/classes/class.ilRandomTestData.php";
                if (is_array($a_value['qpl']))
                {
                        foreach ($a_value['qpl'] as $idx => $qpl)
                        {
                                array_push($this->values, new ilRandomTestData($a_value['count'][$idx], $qpl));
                        }
                }
        }
        
        public function setValueByArray($a_values)
        {
                $this->setValue($a_values[$this->getPostVar()]);
        }

        function setUseEqualPointsOnly($a_value)
        {
                $this->equal_points = $a_value;
        }

        function getUseEqualPointsOnly()
        {
                return $this->equal_points;
        }
        
        function setValues($a_values)
        {
                $this->values = $a_values;
        }

        function getValues()
        {
                return $this->values;
        }

        function setRandomQuestionPools($a_values)
        {
                $this->random_pools = $a_values;
        }

        function setUseQuestionCount($a_value)
        {
                $this->question_count = $a_value;
        }

        function getUseQuestionCount()
        {
                return $this->question_count;
        }

        function checkInput()
        {
                global $lng;
                
                $foundvalues = $_POST[$this->getPostVar()];
                if (is_array($foundvalues))
                {
                        if (is_array($foundvalues['count']))
                        {
                                if (count($foundvalues['qpl']) != count(array_unique($foundvalues['qpl'])))
                                {
                                        $this->setAlert($lng->txt("msg_randompool_duplicate_qpl"));
                                        return false;
                                }
                                // check question count
                                if ($this->getUseQuestionCount())
                                {
                                        foreach ($foundvalues['count'] as $idx => $answervalue)
                                        {
                                                if ((strlen($answervalue)) == 0) 
                                                {
                                                        $this->setAlert($lng->txt("msg_input_is_required"));
                                                        return FALSE;
                                                }
                                                if (!is_numeric($answervalue)) 
                                                {
                                                        $this->setAlert($lng->txt("form_msg_numeric_value_required"));
                                                        return FALSE;
                                                }
                                                if ($answervalue < 1) 
                                                {
                                                        $this->setAlert($lng->txt("msg_question_count_too_low"));
                                                        return FALSE;
                                                }
                                                if ($answervalue > $this->random_pools[$foundvalues['qpl'][$idx]]['count']) 
                                                {
                                                        $this->setAlert($lng->txt("tst_random_selection_question_count_too_high"));
                                                        return FALSE;
                                                }
                                        }
                                }
                        }
                        else
                        {
                                if ($this->getUseQuestionCount())
                                {
                                        $this->setAlert($lng->txt("msg_question_count_too_low"));
                                        return FALSE;
                                }
                        }
                        // check pool selection
                        if (is_array($foundvalues['qpl']))
                        {
                                foreach ($foundvalues['qpl'] as $qpl)
                                {
                                        if ($qpl < 1)
                                        {
                                                $this->setAlert($lng->txt("msg_input_is_required"));
                                                return FALSE;
                                        }
                                }
                        }
                }
                else
                {
                        $this->setAlert($lng->txt("msg_input_is_required"));
                        return FALSE;
                }
                return $this->checkSubItemsInput();
        }

        function insert(&$a_tpl)
        {
                global $lng;
                
                $tpl = new ilTemplate("tpl.prop_randomtestinput.html", true, true, "Modules/Test");
                $i = 0;
                $pools = $this->random_pools;
                foreach ($this->values as $value)
                {
                        if (array_key_exists($value->qpl, $this->random_pools)) unset($pools[$value->qpl]);
                }
                foreach ($this->values as $value)
                {
                        if ($this->getUseQuestionCount())
                        {
                                if (is_object($value))
                                {
                                        $tpl->setCurrentBlock("prop_text_propval");
                                        $tpl->setVariable("PROPERTY_VALUE", ilUtil::prepareFormOutput($value->count));
                                        $tpl->parseCurrentBlock();
                                }
                                $tpl->setCurrentBlock('question_count');
                                $tpl->setVariable("SIZE", 3);
                                $tpl->setVariable("QUESTION_COUNT_ID", $this->getPostVar() . "[count][$i]");
                                $tpl->setVariable("QUESTION_COUNT_ROW_NUMBER", $i);
                                $tpl->setVariable("POST_VAR", $this->getPostVar());
                                $tpl->setVariable("MAXLENGTH", 5);
                                if ($this->getDisabled())
                                {
                                        $tpl->setVariable("DISABLED_QUESTION_COUNT", " disabled=\"disabled\"");
                                }
                                $tpl->parseCurrentBlock();
                        }

                        $tpl->setCurrentBlock("option");
                        $tpl->setVariable("OPTION_VALUE", 0);
                        $tpl->setVariable("OPTION_TEXT", ilUtil::prepareFormOutput($lng->txt('select_questionpool_option')));
                        $tpl->parseCurrentBlock();
                        foreach ($this->random_pools as $qpl => $pool)
                        {
                                if (($value->qpl == $qpl) || (array_key_exists($qpl, $pools)))
                                {
                                        $tpl->setCurrentBlock("option");
                                        if ($value->qpl == $qpl)
                                        {
                                                $tpl->setVariable("OPTION_SELECTED", ' selected="selected"');
                                        }
                                        $tpl->setVariable("OPTION_VALUE", $qpl);
                                        $tpl->setVariable("OPTION_TEXT", ilUtil::prepareFormOutput($pool['title']));
                                        $tpl->parseCurrentBlock();
                                }
                        }

                        $tpl->setCurrentBlock("row");
                        $class = ($i % 2 == 0) ? "even" : "odd";
                        if ($i == 0) $class .= " first";
                        if ($i == count($this->values)-1) $class .= " last";
                        $tpl->setVariable("ROW_CLASS", $class);
                        $tpl->setVariable("POST_VAR", $this->getPostVar());
                        $tpl->setVariable("ROW_NUMBER", $i);
                        $tpl->setVariable("ID", $this->getPostVar() . "[$i]");
                        $tpl->setVariable("CMD_ADD", "cmd[add" . $this->getPostVar() . "][$i]");
                        $tpl->setVariable("CMD_REMOVE", "cmd[remove" . $this->getPostVar() . "][$i]");
                        $tpl->setVariable("ADD_BUTTON", ilUtil::getImagePath('edit_add.png'));
                        $tpl->setVariable("REMOVE_BUTTON", ilUtil::getImagePath('edit_remove.png'));
                        $tpl->parseCurrentBlock();
                        $i++;
                }
                $tpl->setVariable("ELEMENT_ID", $this->getPostVar());

                $a_tpl->setCurrentBlock("prop_generic");
                $a_tpl->setVariable("PROP_GENERIC", $tpl->get());
                $a_tpl->parseCurrentBlock();
                
//              global $tpl;
//              include_once "./Services/YUI/classes/class.ilYuiUtil.php";
//              ilYuiUtil::initDomEvent();
//              $tpl->addJavascript("./Modules/TestQuestionPool/templates/default/singlechoicewizard.js");
        }
}