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<?php
/*
* Copyright (c) 2011 mlunzena@uos.de, aklassen@uos.de
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*/
namespace Studip;
/**
* Represents an HTML button element. Class Button inherits from
* Interactable and customizes the HTML output.
*/
class Button extends Interactable
{
/**
* Initialize a Button.
* The second parameter is used as @name attribute of the
* resulting <button> HTML element.
*
* @param string $label the label of the button element
* @param string $name the @name element of the button element
* @param array $attributes the attributes of the button element
*/
protected function initialize($label, $name, $attributes)
{
$this->attributes['name'] = $name ?: $this->label;
}
/**
* @return string returns a HTML representation of this button.
*/
public function __toString()
{
// add "button" to attribute @class
if (!isset($this->attributes['class'])) {
$this->attributes['class'] = '';
}
$this->attributes['class'] .= ' button';
$attributes = [];
ksort($this->attributes);
foreach ($this->attributes as $k => $v) {
$attributes[] = sprintf(' %s="%s"', $k, htmlReady($v));
}
return sprintf(
'<button type="submit"%s>%s</button>',
join('', $attributes),
htmlReady($this->label)
);
}
}
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