.-.-.-.-.-

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_fields
 *
 * @copyright   (C) 2016 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */
defined('_JEXEC') or die;

JFormHelper::loadFieldClass('list');

/**
 * Fields Type
 *
 * @since  3.7.0
 */
class JFormFieldType extends JFormFieldList
{
	public $type = 'Type';

/**
	 * Method to attach a JForm object to the field.
	 *
	 * @param   SimpleXMLElement  $element  The SimpleXMLElement object representing the `<field>` tag for the form field object.
	 * @param   mixed             $value    The form field value to validate.
	 * @param   string            $group    The field name group control value. This acts as an array container for the field.
	 *                                      For example if the field has name="foo" and the group value is set to "bar" then the
	 *                                      full field name would end up being "bar[foo]".
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   3.7.0
	 */
	public function setup(SimpleXMLElement $element, $value, $group = null)
	{
		$return = parent::setup($element, $value, $group);

$this->onchange = 'typeHasChanged(this);';

return $return;
	}

/**
	 * Method to get the field options.
	 *
	 * @return  array  The field option objects.
	 *
	 * @since   3.7.0
	 */
	protected function getOptions()
	{
		$options = parent::getOptions();

$fieldTypes = FieldsHelper::getFieldTypes();

foreach ($fieldTypes as $fieldType)
		{
			$options[] = JHtml::_('select.option', $fieldType['type'], $fieldType['label']);
		}

// Sorting the fields based on the text which is displayed
		usort(
			$options,
			function ($a, $b)
			{
				return strcmp($a->text, $b->text);
			}
		);

JFactory::getDocument()->addScriptDeclaration("
			jQuery( document ).ready(function() {
				Joomla.loadingLayer('load');
			});
			function typeHasChanged(element){
				Joomla.loadingLayer('show');
				var cat = jQuery(element);
				jQuery('input[name=task]').val('field.reload');
				element.form.submit();
			}
		"
		);

return $options;
	}
}

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