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<?php
/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** 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.
**
** 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.
**/
class CRadioButtonList extends CList {
/**
* Default CSS class name for HTML root element.
*/
const ZBX_STYLE_CLASS = 'radio-list-control';
const ORIENTATION_HORIZONTAL = 'horizontal';
const ORIENTATION_VERTICAL = 'vertical';
private $name;
private $value;
private $orientation;
private $enabled;
private $readonly;
private $modern;
private $autofocused;
private $autocomplete = true;
/**
* Array of value elements.
*
* string $values[]['name'] Input form element label.
* string $values[]['value'] Input form element value.
* string $values[]['id'] Input form element id attribute.
* string $values[]['on_change'] Javascript handler for onchange event.
* @property array
*/
protected $values = [];
public function __construct($name, $value) {
parent::__construct();
$this->name = $name;
$this->value = $value;
$this->orientation = self::ORIENTATION_HORIZONTAL;
$this->enabled = true;
$this->values = [];
$this->modern = false;
$this->readonly = false;
$this->setId(zbx_formatDomId($name));
}
/**
* Add value.
*
* @param string $name Input element label.
* @param string $value Input element value.
* @param string $id Input element id.
* @param string $on_change Javascript handler for onchange event.
*
* @return CRadioButtonList
*/
public function addValue($name, $value, $id = null, $on_change = null) {
$this->values[] = [
'name' => $name,
'value' => $value,
'id' => ($id === null ? null : zbx_formatDomId($id)),
'on_change' => $on_change
];
return $this;
}
public function makeVertical() {
$this->orientation = self::ORIENTATION_VERTICAL;
return $this;
}
public function setEnabled($enabled) {
$this->enabled = $enabled;
return $this;
}
public function setReadonly($readonly) {
$this->readonly = $readonly;
return $this;
}
public function setModern($modern = true) {
$this->modern = $modern;
return $this;
}
public function toString($destroy = true) {
if ($this->modern) {
$this->addClass(static::ZBX_STYLE_CLASS);
}
else {
$this->addClass(ZBX_STYLE_LIST_CHECK_RADIO);
$this->addClass($this->orientation === self::ORIENTATION_HORIZONTAL ? ZBX_STYLE_HOR_LIST : null);
}
if ($this->readonly) {
$this->addItem(
(new CVar($this->name, $this->value))
->setEnabled($this->enabled)
->removeId()
);
}
foreach ($this->values as $key => $value) {
if ($value['id'] === null) {
$value['id'] = zbx_formatDomId($this->name).'_'.$key;
}
$radio = (new CInput('radio', $this->name, $value['value']))
// Read-only for radioboxes is simulated by disabling control and adding CVar with value.
->setEnabled($this->enabled && !$this->readonly)
->onChange($value['on_change'])
->setId($value['id']);
if ($value['value'] === $this->value) {
$radio->setAttribute('checked', 'checked');
if ($this->autofocused) {
$radio->setAttribute('autofocus', 'autofocus');
}
}
if (!$this->autocomplete) {
$radio->setAttribute('autocomplete', 'off');
}
if ($this->modern) {
$this->addItem((new CListItem([$radio, new CLabel($value['name'], $value['id'])]))->addClass(
array_key_exists('class', $value) ? $value['class'] : null
));
}
else {
$radio->addClass(ZBX_STYLE_CHECKBOX_RADIO);
$this->addItem((new CListItem([$radio, new CLabel([new CSpan(), $value['name']], $value['id'])]))
->addClass(array_key_exists('class', $value) ? $value['class'] : null)
);
}
}
if ($this->getAttribute('aria-required') === 'true') {
$this->setAttribute('role', 'radiogroup');
}
return parent::toString($destroy);
}
/**
* Overrides base method to correctly handle autofocus attribute for radio buttons.
*
* @param $name
* @param $value
*
* @return CRadioButtonList
*/
public function setAttribute($name, $value) {
if ($name === 'autofocus') {
$this->autofocused = true;
return $this;
}
return parent::setAttribute($name, $value);
}
/**
* Prevent browser to autocomplete input element.
*/
public function disableAutocomplete() {
$this->autocomplete = false;
return $this;
}
}
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