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<?php
/**
 * Renders a fabrik element drop down
 *
 * @package     Joomla
 * @subpackage  Form
 * @copyright   Copyright (C) 2005-2020  Media A-Team, Inc. - All rights
reserved.
 * @license     GNU/GPL http://www.gnu.org/copyleft/gpl.html
 */

// No direct access
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\Language\Text;
use Joomla\CMS\Form\FormHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Field\ListField;

require_once JPATH_ADMINISTRATOR .
'/components/com_fabrik/helpers/element.php';

jimport('joomla.html.html');
jimport('joomla.form.formfield');
jimport('joomla.form.helper');
FormHelper::loadFieldClass('list');

/**
 * Renders a fabrik element drop down
 *
 * @package     Joomla
 * @subpackage  Form
 * @since       1.6
 */
class JFormFieldElement extends ListField
{
	/**
	 * Element name
	 *
	 * @var        string
	 */
	protected $name = 'Element';

	/**
	 * Method to get the field options.
	 *
	 * @return  array    The field option objects.
	 */

	protected function getOptions()
	{
		return array();
	}

	/**
	 * Method to get the field input markup.
	 *
	 * @return  string    The field input markup.
	 */

	protected function getInput()
	{
		static $fabrikElements;

		if (!isset($fabrikElements))
		{
			$fabrikElements = array();
		}

		$src['Namespace'] =
'administrator/components/com_fabrik/views/namespace.js';
		$c                = (int) @$this->form->repeatCounter;
		$table            = $this->getAttribute('table');

		if ($table == '')
		{
			$table = $this->form->getValue('params.list_id');
		}

		$includeCalculations = (int)
$this->getAttribute('include_calculations');
		$published           = (int)
$this->getAttribute('published');
		$showInTable         = (int)
$this->getAttribute('showintable');
		$highlightPk         =
FabrikWorker::toBoolean($this->getAttribute('highlightpk',
false), false);
		$mode                = $this->getAttribute('mode');
		$connection          = $this->getAttribute('connection');
		$connectionInRepeat  =
FabrikWorker::toBoolean($this->getAttribute('connection_in_repeat',
true), true);
		$excludeJoined       = (int)
$this->getAttribute('excludejoined');

		if ($includeCalculations != 1)
		{
			$includeCalculations = 0;
		}

		$opts = new stdClass;

		if ($this->form->repeat)
		{
			// In repeat fieldset/group
			$conn        = $connection . '-' .
$this->form->repeatCounter;
			$opts->table = 'jform_' . $table . '-' .
$this->form->repeatCounter;
		}
		else
		{
			$conn        = ($c === false || !$connectionInRepeat) ? $connection :
$connection . '-' . $c;
			$opts->table = ($c === false || !$connectionInRepeat) ?
'jform_' . $table : 'jform_' . $table . '-' .
$c;
		}

		$opts->published            = $published;
		$opts->showintable          = $showInTable;
		$opts->excludejoined        = $excludeJoined;
		$opts->livesite             = COM_FABRIK_LIVESITE;
		$opts->conn                 = 'jform_' . $conn;
		$opts->value                = $this->value;
		$opts->include_calculations = $includeCalculations;
		$opts->highlightpk          = (int) $highlightPk;
		$opts                       = json_encode($opts);
		$script                     = array();
		$script[]                   = "var p = new
elementElement('$this->id', $opts);";
		$script[]                   =
"FabrikAdmin.model.fields.element['$this->id'] =
p;";
		$script                     = implode("\n", $script);
		$fabrikElements[$this->id]  = true;
		$src['AdmininElelent']      =
'administrator/components/com_fabrik/models/fields/element.js';
		FabrikHelperHTML::script($src, $script);

		if ($mode === 'gui')
		{
			$return = $this->gui();
		}
		else
		{
			$return = parent::getInput();
			$return .= '<img style="margin-left:10px;display:none"
id="' . $this->id
				. '_loader"
src="components/com_fabrik/images/ajax-loader.gif"
alt="' . Text::_('COM_FABRIK_LOADING') . '"
/>';
		}

		FabrikHelperHTML::framework();
		FabrikHelperHTML::iniRequireJS();

		return $return;
	}

	/**
	 * Build GUI for adding in elements
	 *
	 * @return  string  Textarea GUI
	 */

	private function gui()
	{
		$str   = array();
		$str[] = '<textarea cols="20" row="3"
id="' . $this->id . '" name="' .
$this->name . '">' . $this->value .
'</textarea>';
		$str[] = '<button class="button btn">' .
Text::_('COM_FABRIK_ADD') . '</button>';
		$str[] = '<select
class="elements"></select>';

		return implode("\n", $str);
	}
}