LinkButton.php

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<?php
namespace ‪TYPO3\CMS\Backend\Template\Components\Buttons;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
class ‪LinkButton extends ‪AbstractButton
{
    protected ‪$href = '';
 
    public function ‪getHref()
    {
        return ‪$this->href;
    }
 
    public function ‪setHref(‪$href)
    {
        $this->href = ‪$href;
        return $this;
    }
 
    public function ‪isValid()
    {
        if (
            trim($this->‪getHref()) !== ''
            && trim($this->‪getTitle()) !== ''
            && $this->‪getType() === self::class
            && $this->‪getIcon() !== null
        ) {
            return true;
        }
        return false;
    }
 
    public function ‪render()
    {
        $attributes = [
            'href' => $this->‪getHref(),
            'class' => 'btn btn-default btn-sm ' . $this->‪getClasses(),
            'title' => $this->‪getTitle()
        ];
        $labelText = '';
        if ($this->showLabelText) {
            $labelText = ' ' . ‪$this->title;
        }
        foreach ($this->dataAttributes as $attributeName => $attributeValue) {
            $attributes['data-' . $attributeName] = $attributeValue;
        }
        if ($this->onClick !== '') {
            $attributes['onclick'] = ‪$this->onClick;
        }
        $attributesString = '';
        foreach ($attributes as $key => $value) {
            $attributesString .= ' ' . htmlspecialchars($key) . '="' . htmlspecialchars($value) . '"';
        }
 
        return '<a ' . $attributesString . '>'
            . $this->‪getIcon()->‪render() . htmlspecialchars($labelText)
        . '</a>';
    }
 
    public function ‪__toString()
    {
        return $this->‪render();
    }
}