class.ilTaxSelectInputGUI.php

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<?php

class ilTaxSelectInputGUI extends ilExplorerSelectInputGUI
{
    protected bool $multi_nodes;
    protected ilObjTaxonomy $tax;
    protected int $taxononmy_id;

    public function __construct(int $a_taxonomy_id, string $a_postvar, bool $a_multi = false)
    {
        global $DIC;

        $this->lng = $DIC->language();
        $this->ctrl = $DIC->ctrl();
        $lng = $DIC->language();
        $ilCtrl = $DIC->ctrl();

        $lng->loadLanguageModule("tax");
        $this->multi_nodes = $a_multi;
        $ilCtrl->setParameterByClass("ilformpropertydispatchgui", "postvar", $a_postvar);
        $this->explorer_gui = new ilTaxonomyExplorerGUI(
            array("ilformpropertydispatchgui", "iltaxselectinputgui"),
            $this->getExplHandleCmd(),
            $a_taxonomy_id,
            "",
            "",
            "tax_expl_" . $a_postvar
        );
        $this->explorer_gui->setSelectMode($a_postvar . "_sel", $this->multi_nodes);
        $this->explorer_gui->setSkipRootNode(true);

        parent::__construct(
            ilObject::_lookupTitle($a_taxonomy_id),
            $a_postvar,
            $this->explorer_gui,
            $this->multi_nodes
        );
        $this->setType("tax_select");

        if ((int) $a_taxonomy_id == 0) {
            throw new ilTaxonomyException("No taxonomy ID passed to ilTaxSelectInputGUI.");
        }

        $this->setTaxonomyId((int) $a_taxonomy_id);
        $this->tax = new ilObjTaxonomy($this->getTaxonomyId());
    }

    public function setTaxonomyId(int $a_val): void
    {
        $this->taxononmy_id = $a_val;
    }

    public function getTaxonomyId(): int
    {
        return $this->taxononmy_id;
    }

    public function getTitleForNodeId($a_id): string
    {
        return ilTaxonomyNode::_lookupTitle((int) $a_id);
    }
}