class.ilTaxonomyClassificationExplorerGUI.php

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<?php

declare(strict_types=1);

use ILIAS\UI\Component\Tree\Tree;

class ilTaxonomyClassificationExplorerGUI extends ilTaxonomyExplorerGUI
{
    public function __construct(
        $parent_obj,
        string $parent_cmd,
        int $tax_id,
        string $target_gui,
        string $target_cmd,
        string $id = ""
    ) {
        global $DIC;

        parent::__construct(
            $parent_obj,
            $parent_cmd,
            $tax_id,
            $target_gui,
            $target_cmd,
            $id
        );
    }

    public function getNodeContent($a_node): string
    {
        $rn = $this->getRootNode();
        if ($rn["child"] == $a_node["child"]) {
            $title = ilObject::_lookupTitle($this->tax_tree->getTreeId());
        } else {
            $title = $a_node["title"];
        }
        return $title;
    }

    public function getTreeComponent(): Tree
    {
        $f = $this->ui->factory();
        $tree = $this->getTree();

        if (!$this->getSkipRootNode()) {
            $data = array(
                $tree->getNodeData($tree->readRootId())
            );
        } else {
            $data = $tree->getChilds($tree->readRootId());
        }

        $label = $this->getTreeLabel();
        if ($this->getTreeLabel() === "" && $this->getNodeContent($this->getRootNode())) {
            $label = $this->getNodeContent($this->getRootNode());
        }

        $tree = $f->tree()->expandable($label, $this)
                  ->withData($data)
                  ->withHighlightOnNodeClick(true);

        return $tree;
    }

    protected function createNode(
        \ILIAS\UI\Component\Tree\Node\Factory $factory,
        $record
    ): \ILIAS\UI\Component\Tree\Node\Node {
        $nodeIconPath = $this->getNodeIcon($record);

        $icon = null;
        if ($nodeIconPath !== '') {
            $icon = $this->ui
                ->factory()
                ->symbol()
                ->icon()
                ->custom($nodeIconPath, $this->getNodeIconAlt($record));
        }
        $node = $factory->simple($this->getNodeContent($record), $icon)
            ->withOnLoadCode(function ($id) use ($record) {
                return
                    "$(\"#$id a\").click(function(ev) { ev.preventDefault(); " . $this->getNodeOnClick($record) . "; return false;});";
            })
            ->withLink(new \ILIAS\Data\URI(ILIAS_HTTP_PATH . "/#tax_node_" . $record["child"]));
        if (in_array($this->getNodeId($record), $this->selected_nodes)) {
            $node = $node->withHighlighted(true);
        }
        return $node;
    }


}