AbstractButton.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!
 */

use TYPO3\CMS\Backend\Template\Components\AbstractControl;
use TYPO3\CMS\Core\Imaging\Icon;

class AbstractButton extends AbstractControl implements ButtonInterface
{
    protected $icon;

    protected $type;

    protected $showLabelText = false;

    public function getShowLabelText()
    {
        return $this->showLabelText;
    }

    public function setShowLabelText($showLabelText)
    {
        $this->showLabelText = $showLabelText;
        return $this;
    }

    public function getIcon()
    {
        return $this->icon;
    }

    public function getType()
    {
        return get_class($this);
    }

    public function setIcon(Icon $icon)
    {
        $this->icon = $icon;
        return $this;
    }

    public function isValid()
    {
        return false;
    }

    public function __toString()
    {
        return '';
    }

    public function render()
    {
        return '';
    }
}