antaresproject/core

<?php

/**
 * Part of the Antares package.
 *
 * NOTICE OF LICENSE
 *
 * Licensed under the 3-clause BSD License.
 *
 * This source file is subject to the 3-clause BSD License that is
 * bundled with this package in the LICENSE file.
 *
 * @package    Antares Core
 * @version    0.9.0
 * @author     Original Orchestral https://github.com/orchestral
 * @author     Antares Team
 * @license    BSD License (3-clause)
 * @copyright  (c) 2017, Antares
 * @link       http://antaresproject.io
 */


namespace Antares\Html\Support\Traits;

trait CheckerTrait
{

    /**
     * Create a checkbox input field.
     *
     * @param  string  $name
     * @param  mixed   $value
     * @param  bool    $checked
     * @param  array   $options
     *
     * @return string
     */
    public function checkbox($name, $value = 1, $checked = null, $options = [])
    {
        return $this->checkable('checkbox', $name, $value, $checked, $options);
    }

    /**
     * Create a radio button input field.
     *
     * @param  string  $name
     * @param  mixed   $value
     * @param  bool    $checked
     * @param  array   $options
     *
     * @return string
     */
    public function radio($name, $value = null, $checked = null, $options = [])
    {
        is_null($value) && $value = $name;

        return $this->checkable('radio', $name, $value, $checked, $options);
    }

    /**
     * Create a checkable input field.
     *
     * @param  string  $type
     * @param  string  $name
     * @param  mixed   $value
     * @param  bool    $checked
     * @param  array   $options
     *
     * @return string
     */
    protected function checkable($type, $name, $value, $checked, $options)
    {
        $checked            = $this->getCheckedState($type, $name, $value, $checked);
        $checked && $options['checked'] = 'checked';

        return $this->input($type, $name, $value, $options);
    }

    /**
     * Get the check state for a checkable input.
     *
     * @param  string  $type
     * @param  string  $name
     * @param  mixed   $value
     * @param  bool    $checked
     *
     * @return bool
     */
    protected function getCheckedState($type, $name, $value, $checked)
    {
        switch ($type) {
            case 'checkbox':
                return $this->getCheckboxCheckedState($name, $value, $checked);
            case 'radio':
                return $this->getRadioCheckedState($name, $value, $checked);
            default:
                return $this->getValueAttribute($name) == $value;
        }
    }

    /**
     * Get the check state for a checkbox input.
     *
     * @param  string  $name
     * @param  mixed  $value
     * @param  bool  $checked
     *
     * @return bool
     */
    protected function getCheckboxCheckedState($name, $value, $checked)
    {
        if (isset($this->session) && !$this->oldInputIsEmpty() && is_null($this->old($name))) {
            return false;
        }
        if ($this->missingOldAndModel($name)) {
            return $checked;
        }

        $posted = $this->getValueAttribute($name);

        return is_array($posted) ? in_array($value, $posted) : (bool) $posted;
    }

    /**
     * Get the check state for a radio input.
     *
     * @param  string  $name
     * @param  mixed  $value
     * @param  bool  $checked
     *
     * @return bool
     */
    protected function getRadioCheckedState($name, $value, $checked)
    {
        if ($this->missingOldAndModel($name)) {
            return $checked;
        }

        return $this->getValueAttribute($name) == $value;
    }

}