<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
 *               2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
 *
 */

use oat\tao\helpers\form\elements\xhtml\XhtmlRenderingTrait;

/**
 * Short description of class tao_helpers_form_elements_xhtml_Button
 *
 * @access public
 * @author Bertrand Chevrier, <bertrand.chevrier@tudor.lu>
 * @package tao
 */
class tao_helpers_form_elements_xhtml_Button extends tao_helpers_form_elements_Button
{
    use XhtmlRenderingTrait;

    /**
     *
     * @var string
     */
    protected $icon = '';

    /**
     *
     * @var string
     */
    protected $type = 'button';

    /**
     *
     * @var string
     */
    protected $iconPosition = '';

    public function setIcon($icon, $position = 'before')
    {
        $this->icon = '<span class="' . $icon . '"></span>';
        $this->iconPosition = $position;
    }

    /**
     * Short description of method render
     *
     * @access public
     * @author Bertrand Chevrier, <bertrand.chevrier@tudor.lu>
     * @return string
     */
    public function render()
    {
        $returnValue = $this->renderLabel();

        $content = _dh($this->value);

        if ($this->icon) {
            $content = $this->iconPosition === 'before' ? $this->icon . ' ' . $content : $content . ' ' . $this->icon;
        }

        $returnValue .= "<button type='{$this->type}' name='{$this->name}' id='{$this->name}' ";
        $returnValue .= $this->renderAttributes();
        $returnValue .= ' value="' . _dh($this->value) . '">' . $content . '</button>';

        return $returnValue;
    }

    /**
     * Sets allowed by html5 buttons type
     *
     * @param string $type
     */
    public function setType($type)
    {
        if (
            in_array(strtolower($type), [
            'button',
            'submit',
            'reset'])
        ) {
            $this->type = $type;
        }
    }

    /**
     * Sets data-testid attribute
     *
     * @param string $testId
     */
    public function setTestId($testId)
    {
        $this->setAttribute('data-testid', $testId);
    }
}