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<?php

/**
 * MvcCore
 *
 * This source file is subject to the BSD 3 License
 * For the full copyright and license information, please view
 * the LICENSE.md file that are distributed with this source code.
 *
 * @copyright   Copyright (c) 2016 Tom Flidr (https://github.com/mvccore)
 * @license     https://mvccore.github.io/docs/mvccore/5.0.0/LICENCE.md
 */

namespace MvcCore\Ext\Forms\Field\Props;

/**
 * Trait for all visible fields, for classes:
 * - `\MvcCore\Ext\Forms\Fields\Button`
 *    - `\MvcCore\Ext\Forms\Fields\SubmitButton`
 *    - `\MvcCore\Ext\Forms\Fields\ResetButton`
 * - `\MvcCore\Ext\Forms\Fields\Color`
 * - `\MvcCore\Ext\Forms\Fields\Date`
 *    - `\MvcCore\Ext\Forms\Fields\DateTime`
 *    - `\MvcCore\Ext\Forms\Fields\Month`
 *    - `\MvcCore\Ext\Forms\Fields\Time`
 *    - `\MvcCore\Ext\Forms\Fields\Week`
 * - `\MvcCore\Ext\Forms\Fields\File`
 * - `\MvcCore\Ext\Forms\Fields\Checkbox`
 * - `\MvcCore\Ext\Forms\Fields\Image`
 * - `\MvcCore\Ext\Forms\Fields\Number`
 *    - `\MvcCore\Ext\Forms\Fields\Range`
 * - `\MvcCore\Ext\Forms\Fields\ResetInput`
 * - `\MvcCore\Ext\Forms\Fields\Select`
 *    - `\MvcCore\Ext\Forms\Fields\CountrySelect`
 * - `\MvcCore\Ext\Forms\Fields\SubmitInput`
 * - `\MvcCore\Ext\Forms\Fields\Text`
 *    - `\MvcCore\Ext\Forms\Fields\Email`
 *    - `\MvcCore\Ext\Forms\Fields\Password`
 *    - `\MvcCore\Ext\Forms\Fields\Search`
 *    - `\MvcCore\Ext\Forms\Fields\Tel`
 *    - `\MvcCore\Ext\Forms\Fields\Url`
 * - `\MvcCore\Ext\Forms\Fields\Textarea`
 * - `\MvcCore\Ext\Forms\FieldsGroup`
 *    - `\MvcCore\Ext\Forms\CheckboxGroup`
 *    - `\MvcCore\Ext\Forms\RadioGroup`
 */
trait AccessKey {

    /**
     * The access key global attribute provides a hint for generating
     * a keyboard shortcut for the current element. The attribute 
     * value must consist of a single printable character (which 
     * includes accented and other characters that can be generated 
     * by the keyboard).
     * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/accesskey
     * @var string|NULL
     */
    protected $accessKey = NULL;

    /**
     * The access key global attribute provides a hint for generating
     * a keyboard shortcut for the current element. The attribute 
     * value must consist of a single printable character (which 
     * includes accented and other characters that can be generated 
     * by the keyboard).
     * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/accesskey
     * @return string|NULL
     */
    public function GetAccessKey () {
        return $this->accessKey;
    }

    /**
     * The access key global attribute provides a hint for generating
     * a keyboard shortcut for the current element. The attribute 
     * value must consist of a single printable character (which 
     * includes accented and other characters that can be generated 
     * by the keyboard).
     * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/accesskey
     * @param string $accessKey 
     * @return \MvcCore\Ext\Forms\Field
     */
    public function SetAccessKey ($accessKey) {
        $this->accessKey = $accessKey;
        return $this;
    }
}