class.ilPCTab.php

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<?php

class ilPCTab extends ilPageContent
{
    protected int $user_id = 0;

    public function init(): void
    {
        global $DIC;
        $this->user_id = $DIC->user()->getId();
        $this->setType("tabstab");
    }

    public function newItemAfter(): void
    {
        $tab = $this->getDomNode();
        $new_tab = $this->dom_doc->createElement("Tab");
        if ($next_tab = $tab->nextSibling) {
            $new_tab = $next_tab->parentNode->insertBefore($new_tab, $next_tab);
        } else {
            $parent_tabs = $tab->parentNode;
            $new_tab = $parent_tabs->appendChild($new_tab);
        }
    }

    public function newItemBefore(): void
    {
        $tab = $this->getDomNode();
        $new_tab = $this->dom_doc->createElement("Tab");
        $new_tab = $tab->parentNode->insertBefore($new_tab, $tab);
    }

    public function deleteItem(): void
    {
        $tab = $this->getDomNode();
        $tab->parentNode->removeChild($tab);
    }

    public function moveItemDown(): void
    {
        $tab = $this->getDomNode();
        $next = $tab->nextSibling;
        $next_copy = $next->cloneNode(true);
        $next_copy = $tab->parentNode->insertBefore($next_copy, $tab);
        $next->parentNode->removeChild($next);
    }

    public function moveItemUp(): void
    {
        $tab = $this->getDomNode();
        $prev = $tab->previousSibling;
        $tab_copy = $tab->cloneNode(true);
        $tab_copy = $prev->parentNode->insertBefore($tab_copy, $prev);
        $tab->parentNode->removeChild($tab);
    }

    public function modifyPageContentPostXsl(
        string $a_output,
        string $a_mode,
        bool $a_abstract_only = false
    ): string {
        // get opened accordions
        $storage = new ilAccordionPropertiesStorageGUI();
        $opened = $storage->getPropertyForIdStartsWith("ilc_accordion_" .
            $this->getPage()->getId() . "_", $this->user_id, "opened");
        $script = "";
        if (!$a_abstract_only) {
            $script = "<script>";
            foreach ($opened as $id => $open) {
                $script .= <<<EOT
            if (typeof ilAccordionsInits !== 'undefined') {
                for (var i = 0; i < ilAccordionsInits.length; i++) {
                    if (ilAccordionsInits[i].id === '$id') {
                        ilAccordionsInits[i].initial_opened = '$open';
                    }
                }
            }
EOT;
            }
            $script .= "</script>";
        }

        return $a_output . $script;
    }
}