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plugins/system/nrframework/fields/nrmenuitems.php

@@ -0,0 +1,126 @@
+<?php
+/**
+ * @author          Tassos Marinos <info@tassos.gr>
+ * @link            https://www.tassos.gr
+ * @copyright       Copyright © 2024 Tassos All Rights Reserved
+ * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Factory;
+use \NRFramework\HTML;
+
+require_once dirname(__DIR__) . '/helpers/field.php';
+
+class JFormFieldNRMenuItems extends NRFormField
+{
+	/**
+	 * Output the HTML for the field
+	 * Example of usage: <field name="field_name" type="nrmenuitems" label="NR_SELECTION" />
+	 */
+	protected function getInput()
+	{
+		$size    = $this->get('size', 300);
+		$options = $this->getMenuItems();
+
+		return HTML::treeselect($options, $this->name, $this->value, $this->id, $size);
+	}
+
+	/**
+	 * Get a list of menu links for one or all menus.
+	 * Logic from administrator\components\com_menus\helpers\menus.php@getMenuLinks()
+	 */
+	public function getMenuItems()
+	{
+		NRFramework\Functions::loadLanguage('com_menus', JPATH_ADMINISTRATOR);
+		$db = $this->db;
+
+		// Prevent the "The SELECT would examine more than MAX_JOIN_SIZE rows; " MySQL error
+		// on websites with a big number of menu items in the db.
+		$db->setQuery('SET SQL_BIG_SELECTS = 1')->execute();
+
+		$query = $db->getQuery(true)
+			->select('a.id AS value, a.title AS text, a.alias, a.level, a.menutype, a.type, a.template_style_id, a.checked_out, a.language')
+			->from('#__menu AS a')
+			->join('LEFT', $db->quoteName('#__menu') . ' AS b ON a.lft > b.lft AND a.rgt < b.rgt')
+			->where('a.published != -2')
+			->group('a.id, a.alias, a.title, a.level, a.menutype, a.type, a.template_style_id, a.checked_out, a.lft, a.language')
+			->order('a.lft ASC');
+
+		// Get the options.
+		$db->setQuery($query);
+
+		try
+		{
+			$links = $db->loadObjectList();
+		}
+		catch (RuntimeException $e)
+		{
+			Factory::getApplication()->enqueueMessage($e->getMessage());
+			return false;
+		}
+
+		// Group the items by menutype.
+		$query->clear()
+			->select('*')
+			->from('#__menu_types')
+			->where('menutype <> ' . $db->quote(''))
+			->order('title, menutype');
+		$db->setQuery($query);
+
+		try
+		{
+			$menuTypes = $db->loadObjectList();
+		}
+		catch (RuntimeException $e)
+		{
+			Factory::getApplication()->enqueueMessage($e->getMessage());
+			return false;
+		}
+
+		// Create a reverse lookup and aggregate the links.
+		$rlu = array();
+		foreach ($menuTypes as &$type)
+		{
+			$type->value      = 'type.' . $type->menutype;
+			$type->text       = $type->title;
+			$type->level      = 0;
+			$type->class      = 'hidechildren';
+			$type->labelclass = 'nav-header';
+
+			$rlu[$type->menutype] = &$type;
+			$type->links          = array();
+		}
+
+		foreach ($links as &$link)
+		{
+			if (isset($rlu[$link->menutype]))
+			{
+				if (preg_replace('#[^a-z0-9]#', '', strtolower($link->text)) !== preg_replace('#[^a-z0-9]#', '', $link->alias))
+				{
+					$link->text .= ' <small>[' . $link->alias . ']</small>';
+				}
+
+				if ($link->language && $link->language != '*')
+				{
+					$link->text .= ' <small>(' . $link->language . ')</small>';
+				}
+
+				if ($link->type == 'alias')
+				{
+					$link->text .= ' <small>(' . Text::_('COM_MENUS_TYPE_ALIAS') . ')</small>';
+					$link->disable = 1;
+				}
+
+				$rlu[$link->menutype]->links[] = &$link;
+
+				unset($link->menutype);
+			}
+		}
+
+		return $menuTypes;
+	}
+
+}