werx/forms

<?php

namespace werx\Forms;

/**
 * Class Checkbox
 * @package werx\Forms
 * @method Checkbox style($style) CSS Style Attributes
 * @method Checkbox class($class) CSS Classes to apply
 * @method Checkbox value($value) Default Value
 * @method Checkbox id($id) Element Id
 * @method Checkbox name($name) Element Name
 * @method Checkbox placeholder($value) Placeholder for input
 */
class Checkbox extends Input
{
    /**
     * @param null $name
     */
    public function __construct($name = null)
    {
        $this->attributes['type'] = 'checkbox';

        parent::__construct($name, false);

        return $this;
    }

    /**
     * @return $this
     */
    public function isChecked()
    {
        $name = $this->getAttribute('name');

        $values = Form::getValue($name, [], false);

        $item_value = $this->getAttribute('value');

        $type = $this->getAttribute('type');

        if ($type == 'radio') {
            if (!empty($values) && $item_value == $values) {
                $this->checked();
            }
        } elseif ($type == 'checkbox') {
            if (in_array($item_value, (array) $values)) {
                $this->checked();
            }
        }

        return $this;
    }

    /**
     * @param null $value_1
     * @param null $value_2
     * @return $this
     *
     * @deprecated Deprecated the day after it was created. Use checkedWhen() instead.
     */
    public function conditionalChecked($value_1 = null, $value_2 = null)
    {
        if (isset($value_1) && isset($value_2) && ($value_1 === $value_2)) {
            return $this->checked();
        } else {
            return $this;
        }
    }

    /**
     * Check the item if the specified condition evaluates to true.
     *
     * @param bool $condition
     * @return $this|Checkbox
     */
    public function checkedWhen($condition = null)
    {
        if ($condition === true) {
            return $this->checked();
        } else {
            return $this;
        }
    }

    /**
     * @return $this
     */
    public function checked()
    {
        $this->attribute('checked', 'checked');

        return $this;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        $this->isChecked();

        $attribute_parts = [];

        foreach ($this->attributes as $k => $v) {
            $attribute_parts[] = sprintf('%s="%s"', $k, $v);
        }

        return sprintf('<input %s />', join(' ', $attribute_parts));
    }
}