class.ilMatchingPairWizardInputGUI.php

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

require_once 'Services/UIComponent/Glyph/classes/class.ilGlyphGUI.php';

class ilMatchingPairWizardInputGUI extends ilTextInputGUI
{
        protected $pairs = array();
        protected $allowMove = false;
        protected $terms = array();
        protected $definitions = array();
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
        }

        function setValue($a_value)
        {
                $this->pairs = array();
                $this->terms = array();
                $this->definitions = array();
                if (is_array($a_value))
                {
                        include_once "./Modules/TestQuestionPool/classes/class.assAnswerMatchingPair.php";
                        include_once "./Modules/TestQuestionPool/classes/class.assAnswerMatchingTerm.php";
                        include_once "./Modules/TestQuestionPool/classes/class.assAnswerMatchingDefinition.php";
                        if (is_array($a_value['term']))
                        {
                                foreach ($a_value['term'] as $idx => $term)
                                {
                                        array_push($this->pairs, new assAnswerMatchingPair(new assAnswerMatchingTerm('', '', $term), new assAnswerMatchingDefinition('', '', $a_value['definition'][$idx]), $a_value['points'][$idx]));
                                }
                        }
                        $term_ids = split(",", $a_value['term_id']);
                        foreach ($term_ids as $id)
                        {
                                array_push($this->terms, new assAnswerMatchingTerm('', '', $id));
                        }
                        $definition_ids = split(",", $a_value['definition_id']);
                        foreach ($definition_ids as $id)
                        {
                                array_push($this->definitions, new assAnswerMatchingDefinition('', '', $id));
                        }
                }
        }

        function setTerms($a_terms)
        {
                $this->terms = $a_terms;
        }

        function setDefinitions($a_definitions)
        {
                $this->definitions = $a_definitions;
        }

        function setPairs($a_pairs)
        {
                $this->pairs = $a_pairs;
        }

        function setAllowMove($a_allow_move)
        {
                $this->allowMove = $a_allow_move;
        }

        function getAllowMove()
        {
                return $this->allowMove;
        }

        function checkInput()
        {
                global $lng;
                
                if (is_array($_POST[$this->getPostVar()])) $_POST[$this->getPostVar()] = ilUtil::stripSlashesRecursive($_POST[$this->getPostVar()]);
                $foundvalues = $_POST[$this->getPostVar()];
                if (is_array($foundvalues))
                {
                        // check answers
                        if (is_array($foundvalues['term']))
                        {
                                foreach ($foundvalues['term'] as $val)
                                {
                                        if ($this->getRequired() && $val < 1) 
                                        {
                                                $this->setAlert($lng->txt("msg_input_is_required"));
                                                return FALSE;
                                        }
                                }
                                foreach ($foundvalues['definition'] as $val)
                                {
                                        if ($this->getRequired() && $val < 1) 
                                        {
                                                $this->setAlert($lng->txt("msg_input_is_required"));
                                                return FALSE;
                                        }
                                }
                                $max = 0;
                                foreach ($foundvalues['points'] as $val)
                                {
                                        if ($val > 0) $max += $val;
                                        if ($this->getRequired() && (strlen($val)) == 0) 
                                        {
                                                $this->setAlert($lng->txt("msg_input_is_required"));
                                                return FALSE;
                                        }
                                }
                                if ($max <= 0)
                                {
                                        $this->setAlert($lng->txt("enter_enough_positive_points"));
                                        return FALSE;
                                }
                        }
                        else
                        {
                                if ($this->getRequired())
                                {
                                        $this->setAlert($lng->txt("msg_input_is_required"));
                                        return FALSE;
                                }
                        }
                }
                else
                {
                        if ($this->getRequired())
                        {
                                $this->setAlert($lng->txt("msg_input_is_required"));
                                return FALSE;
                        }
                }
                return $this->checkSubItemsInput();
        }

        function insert(&$a_tpl)
        {
                global $lng;
                
                $tpl = new ilTemplate("tpl.prop_matchingpairinput.html", true, true, "Modules/TestQuestionPool");
                $i = 0;

                foreach ($this->pairs as $pair)
                {
                        $counter = 1;
                        $tpl->setCurrentBlock("option_term");
                        $tpl->setVariable("TEXT_OPTION", ilUtil::prepareFormOutput($lng->txt('please_select')));
                        $tpl->setVariable("VALUE_OPTION", 0);
                        $tpl->parseCurrentBlock();
                        foreach ($this->terms as $term)
                        {
                                $tpl->setCurrentBlock("option_term");
                                $tpl->setVariable("VALUE_OPTION", ilUtil::prepareFormOutput($term->identifier));
                                $tpl->setVariable("TEXT_OPTION", $lng->txt('term') . " " . $counter);
                                if ($pair->term->identifier == $term->identifier) $tpl->setVariable('SELECTED_OPTION', ' selected="selected"');
                                $tpl->parseCurrentBlock();
                                $counter++;
                        }
                        $counter = 1;
                        $tpl->setCurrentBlock("option_definition");
                        $tpl->setVariable("TEXT_OPTION", ilUtil::prepareFormOutput($lng->txt('please_select')));
                        $tpl->setVariable("VALUE_OPTION", 0);
                        $tpl->parseCurrentBlock();
                        foreach ($this->definitions as $definition)
                        {
                                $tpl->setCurrentBlock("option_definition");
                                $tpl->setVariable("VALUE_OPTION", ilUtil::prepareFormOutput($definition->identifier));
                                $tpl->setVariable("TEXT_OPTION", $lng->txt('definition') . " " . $counter);
                                if ($pair->definition->identifier == $definition->identifier) $tpl->setVariable('SELECTED_OPTION', ' selected="selected"');
                                $tpl->parseCurrentBlock();
                                $counter++;
                        }

                        if (strlen($pair->points))
                        {
                                $tpl->setCurrentBlock('points_value');
                                $tpl->setVariable('POINTS_VALUE', $pair->points);
                                $tpl->parseCurrentBlock();
                        }
                        if ($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", $this->getPostVar() . "[$i]");
                                $tpl->setVariable("UP_BUTTON", ilGlyphGUI::get(ilGlyphGUI::UP));
                                $tpl->setVariable("DOWN_BUTTON", ilGlyphGUI::get(ilGlyphGUI::DOWN));
                                $tpl->parseCurrentBlock();
                        }

                        $tpl->setCurrentBlock("row");
                        $tpl->setVariable("ROW_NUMBER", $i);
                        
                        $tpl->setVariable("ID", $this->getPostVar() . "[$i]");
                        $tpl->setVariable("CMD_ADD", "cmd[add" . $this->getFieldId() . "][$i]");
                        $tpl->setVariable("CMD_REMOVE", "cmd[remove" . $this->getFieldId() . "][$i]");
                        $tpl->setVariable("ADD_BUTTON", ilGlyphGUI::get(ilGlyphGUI::ADD));
                        $tpl->setVariable("REMOVE_BUTTON", ilGlyphGUI::get(ilGlyphGUI::REMOVE));

                        $tpl->setVariable("POST_VAR", $this->getPostVar());

                        $tpl->parseCurrentBlock();

                        $i++;
                }
                
                $tpl->setCurrentBlock('term_ids');
                $ids = array();
                foreach ($this->terms as $term)
                {
                        array_push($ids, $term->identifier);
                }
                $tpl->setVariable("POST_VAR", $this->getPostVar());
                $tpl->setVariable("TERM_IDS", join($ids, ","));
                $tpl->parseCurrentBlock();
                
                $tpl->setCurrentBlock('definition_ids');
                $ids = array();
                foreach ($this->definitions as $definition)
                {
                        array_push($ids, $definition->identifier);
                }
                $tpl->setVariable("POST_VAR", $this->getPostVar());
                $tpl->setVariable("DEFINITION_IDS", join($ids, ","));
                $tpl->parseCurrentBlock();
                
                $tpl->setVariable("ELEMENT_ID", $this->getPostVar());
                $tpl->setVariable("TEXT_POINTS", $lng->txt('points'));
                $tpl->setVariable("TEXT_DEFINITION", $lng->txt('definition'));
                $tpl->setVariable("TEXT_TERM", $lng->txt('term'));
                $tpl->setVariable("TEXT_ACTIONS", $lng->txt('actions'));

                $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("./Modules/TestQuestionPool/templates/default/matchingpairwizard.js");
        }
}