class.ilMatchingPairWizardInputGUI.php

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<?php
 
use ILIAS\TestQuestionPool\QuestionPoolDIC;
use ILIAS\TestQuestionPool\ilTestLegacyFormsHelper;
use ILIAS\UI\Renderer;
use ILIAS\UI\Component\Symbol\Glyph\Factory as GlyphFactory;
 
class ilMatchingPairWizardInputGUI extends ilTextInputGUI
{
    protected $pairs = [];
    protected $allowMove = false;
    protected $terms = [];
    protected $definitions = [];
 
    protected ilTestLegacyFormsHelper $forms_helper;
    protected GlyphFactory $glyph_factory;
    protected Renderer $renderer;
 
    public function __construct($a_title = "", $a_postvar = "")
    {
        parent::__construct($a_title, $a_postvar);
 
        global $DIC;
 
        $this->forms_helper = new ilTestLegacyFormsHelper();
        $this->glyph_factory = $DIC->ui()->factory()->symbol()->glyph();
        $this->renderer = $DIC->ui()->renderer();
    }
 
    public function setValue($a_value): void
    {
        $this->pairs = [];
        $this->terms = [];
        $this->definitions = [];
 
        $to_int = $this->refinery->kindlyTo()->int();
        $points = $this->forms_helper->transformPoints($a_value);
        $terms = $this->forms_helper->transformArray($a_value, 'term', $to_int);
        $definitions = $this->forms_helper->transformArray($a_value, 'definition', $to_int);
 
        foreach ($terms as $index => $term) {
            $this->pairs[] = new assAnswerMatchingPair(
                new assAnswerMatchingTerm('', '', $term),
                new assAnswerMatchingDefinition('', '', $definitions[$index] ?? 0),
                $points[$index]
            );
        }
 
        $term_ids = explode(',', $a_value['term_id']);
        foreach ($term_ids as $id) {
            $this->terms[] = new assAnswerMatchingTerm('', '', (int) $id);
        }
 
        $definition_ids = explode(',', $a_value['definition_id']);
        foreach ($definition_ids as $id) {
            $this->definitions[] = new assAnswerMatchingDefinition('', '', (int) $id);
        }
    }
 
    public function setTerms($a_terms): void
    {
        $this->terms = $a_terms;
    }
 
    public function setDefinitions($a_definitions): void
    {
        $this->definitions = $a_definitions;
    }
 
    public function setPairs($a_pairs): void
    {
        $this->pairs = $a_pairs;
    }
 
    public function setAllowMove($a_allow_move): void
    {
        $this->allowMove = $a_allow_move;
    }
 
    public function getAllowMove(): bool
    {
        return $this->allowMove;
    }
 
    public function checkInput(): bool
    {
        $to_int = $this->refinery->kindlyTo()->int();
        $data = $this->raw($this->getPostVar());
 
        if (!is_array($data)) {
            $this->setAlert($this->lng->txt('msg_input_is_required'));
            return false;
        }
 
        // check points
        $result_points = $this->forms_helper->checkPointsInputEnoughPositive($data, true);
        if (!is_array($result_points)) {
            $this->setAlert($this->lng->txt($result_points));
            return false;
        }
 
        // check answers
        $terms = $this->forms_helper->transformArray($data, 'term', $to_int);
        $definitions = $this->forms_helper->transformArray($data, 'definition', $to_int);
        foreach ([$terms, $definitions] as $value) {
            if ($value < 1 && $this->getRequired()) {
                $this->setAlert($this->lng->txt('msg_input_is_required'));
                return false;
            }
        }
 
        return $this->checkSubItemsInput();
    }
 
    public function insert(ilTemplate $a_tpl): void
    {
        global $DIC;
        $lng = $DIC['lng'];
        $global_tpl = $DIC['tpl'];
        $global_tpl->addJavascript("assets/js/answerwizardinput.js");
        $global_tpl->addJavascript("assets/js/matchingpairwizard.js");
 
        $tpl = new ilTemplate("tpl.prop_matchingpairinput.html", true, true, "components/ILIAS/TestQuestionPool");
        $i = 0;
 
        foreach ($this->pairs as $pair) {
            $counter = 1;
            $tpl->setCurrentBlock("option_term");
            $tpl->setVariable("TEXT_OPTION", ilLegacyFormElementsUtil::prepareFormOutput($lng->txt('please_select')));
            $tpl->setVariable("VALUE_OPTION", 0);
            $tpl->parseCurrentBlock();
            foreach ($this->terms as $term) {
                $tpl->setCurrentBlock("option_term");
                $tpl->setVariable("VALUE_OPTION", ilLegacyFormElementsUtil::prepareFormOutput($term->getIdentifier()));
                $tpl->setVariable("TEXT_OPTION", $lng->txt('term') . " " . $counter);
                if ($pair->getTerm()->getIdentifier() == $term->getIdentifier()) {
                    $tpl->setVariable('SELECTED_OPTION', ' selected="selected"');
                }
                $tpl->parseCurrentBlock();
                $counter++;
            }
            $counter = 1;
            $tpl->setCurrentBlock("option_definition");
            $tpl->setVariable("TEXT_OPTION", ilLegacyFormElementsUtil::prepareFormOutput($lng->txt('please_select')));
            $tpl->setVariable("VALUE_OPTION", 0);
            $tpl->parseCurrentBlock();
            foreach ($this->definitions as $definition) {
                $tpl->setCurrentBlock("option_definition");
                $tpl->setVariable("VALUE_OPTION", ilLegacyFormElementsUtil::prepareFormOutput($definition->getIdentifier()));
                $tpl->setVariable("TEXT_OPTION", $lng->txt('definition') . " " . $counter);
                if ($pair->getDefinition()->getIdentifier() == $definition->getIdentifier()) {
                    $tpl->setVariable('SELECTED_OPTION', ' selected="selected"');
                }
                $tpl->parseCurrentBlock();
                $counter++;
            }
 
 
            $tpl->setCurrentBlock('points_value');
            $tpl->setVariable('POINTS_VALUE', $pair->getPoints());
            $tpl->parseCurrentBlock();
 
            if ($this->getAllowMove()) {
                $tpl->setCurrentBlock("move");
                $tpl->setVariable("ID", $this->getPostVar() . "[$i]");
                $tpl->setVariable("UP_BUTTON", $this->renderer->render(
                    $this->glyph_factory->up()->withAction('#')
                ));
                $tpl->setVariable("DOWN_BUTTON", $this->renderer->render(
                    $this->glyph_factory->down()->withAction('#')
                ));
                $tpl->parseCurrentBlock();
            }
 
            $tpl->setCurrentBlock("row");
            $tpl->setVariable("ROW_NUMBER", $i);
 
            $tpl->setVariable("ID", $this->getPostVar() . "[$i]");
            $tpl->setVariable("ADD_BUTTON", $this->renderer->render(
                $this->glyph_factory->add()->withAction('#')
            ));
            $tpl->setVariable("REMOVE_BUTTON", $this->renderer->render(
                $this->glyph_factory->remove()->withAction('#')
            ));
 
            $tpl->setVariable("POST_VAR", $this->getPostVar());
 
            $tpl->parseCurrentBlock();
 
            $i++;
        }
 
        $tpl->setCurrentBlock('term_ids');
        $ids = [];
        foreach ($this->terms as $term) {
            array_push($ids, $term->getIdentifier());
        }
        $tpl->setVariable("POST_VAR", $this->getPostVar());
        $tpl->setVariable("TERM_IDS", join(",", $ids));
        $tpl->parseCurrentBlock();
 
        $tpl->setCurrentBlock('definition_ids');
        $ids = [];
        foreach ($this->definitions as $definition) {
            array_push($ids, $definition->getIdentifier());
        }
        $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();
    }
}