<?php

namespace {
    /**
     * Base class for checkboxes and radios
     *
     * PHP version 5
     *
     * LICENSE:
     *
     * Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
     *                          Bertrand Mansion <golgote@mamasam.com>
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     *
     *    * Redistributions of source code must retain the above copyright
     *      notice, this list of conditions and the following disclaimer.
     *    * Redistributions in binary form must reproduce the above copyright
     *      notice, this list of conditions and the following disclaimer in the
     *      documentation and/or other materials provided with the distribution.
     *    * The names of the authors may not be used to endorse or promote products
     *      derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
     * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     * @category   HTML
     * @package    HTML_QuickForm2
     * @author     Alexey Borzov <avb@php.net>
     * @author     Bertrand Mansion <golgote@mamasam.com>
     * @license    http://opensource.org/licenses/bsd-license.php New BSD License
     * @version    SVN: $Id: InputCheckable.php 300722 2010-06-24 10:15:52Z mansion $
     * @link       http://pear.php.net/package/HTML_QuickForm2
     */
    /**
     * Base class for <input> elements
     */
    // require_once 'HTML/QuickForm2/Element/Input.php';
    /**
     * Base class for <input> elements having 'checked' attribute (checkboxes and radios)
     *
     * @category   HTML
     * @package    HTML_QuickForm2
     * @author     Alexey Borzov <avb@php.net>
     * @author     Bertrand Mansion <golgote@mamasam.com>
     * @version    Release: @package_version@
     */
    class HTML_QuickForm2_Element_InputCheckable extends \HTML_QuickForm2_Element_Input
    {
        protected $persistent = \true;
        /**
         * HTML to represent the element in "frozen" state
         *
         * Array index "checked" contains HTML for element's "checked" state,
         * "unchecked" for not checked
         * @var  array
         */
        protected $frozenHtml = array('checked' => 'On', 'unchecked' => 'Off');
        /**
         * Contains options and data used for the element creation
         * - content: Label "glued" to a checkbox or radio
         * @var  array
         */
        protected $data = array('content' => '');
        public function __construct($name = null, $attributes = null, $data = null)
        {
            parent::__construct($name, $attributes, $data);
            // "checked" attribute should be updated on changes to "value" attribute
            // see bug #15708
            $this->watchedAttributes[] = 'value';
        }
        protected function onAttributeChange($name, $value = null)
        {
            if ('value' != $name) {
                return parent::onAttributeChange($name, $value);
            }
            if (null === $value) {
                unset($this->attributes['value'], $this->attributes['checked']);
            } else {
                $this->attributes['value'] = $value;
                $this->updateValue();
            }
        }
        /**
         * Sets the label to be rendered glued to the element
         *
         * This label is returned by {@link __toString()} method with the element's
         * HTML. It is automatically wrapped into the <label> tag.
         *
         * @param    string
         * @return   HTML_QuickForm2_Element_InputCheckable
         */
        public function setContent($content)
        {
            $this->data['content'] = $content;
            return $this;
        }
        /**
         * Returns the label that will be "glued" to element's HTML
         *
         * @return   string
         */
        public function getContent()
        {
            return $this->data['content'];
        }
        public function setValue($value)
        {
            if ((string) $value == $this->getAttribute('value')) {
                return $this->setAttribute('checked');
            } else {
                return $this->removeAttribute('checked');
            }
        }
        public function getValue()
        {
            if (!empty($this->attributes['checked']) && empty($this->attributes['disabled'])) {
                return $this->applyFilters($this->getAttribute('value'));
            } else {
                return null;
            }
        }
        public function __toString()
        {
            if (0 == \strlen($this->data['content'])) {
                $label = '';
            } elseif ($this->frozen) {
                $label = $this->data['content'];
            } else {
                return '<label>' . parent::__toString() . '<span>' . $this->data['content'] . '</span></label>';
            }
            return parent::__toString() . $label;
        }
        public function getFrozenHtml()
        {
            if ($this->getAttribute('checked')) {
                return $this->frozenHtml['checked'] . $this->getPersistentContent();
            } else {
                return $this->frozenHtml['unchecked'];
            }
        }
    }
}
