class.ilLinkButton.php

Go to the documentation of this file.

<?php
 
class ilLinkButton extends ilButtonBase
{
    protected string $url = "";
    protected string $target = "";
 
    public static function getInstance(): self
    {
        return new self(self::TYPE_LINK);
    }
 
 
    //
    // properties
    //
 
    public function setUrl(string $a_value): void
    {
        $this->url = trim($a_value);
    }
 
    public function getUrl(): string
    {
        return $this->url;
    }
 
    public function setTarget(string $a_value): void
    {
        $this->target = trim($a_value);
    }
 
    public function getTarget(): string
    {
        return $this->target;
    }
 
 
    //
    // render
    //
 
    protected function renderCaption(): string
    {
        return '&nbsp;' . $this->getCaption() . '&nbsp;';
    }
 
    protected function renderAttributes(?array $a_additional_attr = null): string
    {
        if ('_blank' === $this->getTarget()) {
            $relAttrVal = 'noopener';
 
            if (isset($a_additional_attr['rel'])) {
                if (strpos($a_additional_attr['rel'], $relAttrVal) === false) {
                    $a_additional_attr['rel'] .= ' ' . $relAttrVal;
                }
            } else {
                $a_additional_attr['rel'] = $relAttrVal;
            }
        }
 
        return parent::renderAttributes($a_additional_attr);
    }
 
    public function render(): string
    {
        $this->prepareRender();
 
        $attr = array();
        $attr["href"] = $this->getUrl() ?: "#";
        $attr["target"] = $this->getTarget();
 
        return '<a' . $this->renderAttributes($attr) . '>' .
            $this->renderCaption() . '</a>';
    }
}