Feature #184271 feat: Unique ID generation field

admin_language/en-GB/en-GB.com_tjfields.ini

@@ -554,3 +554,6 @@ COM_TJFIELDS_FORM_LBL_ITEM_CATEGORY_FIELD_STATE="State"
 COM_TJFIELDS_FORM_DESC_ITEM_CATEGORY_FIELD_STATE="(1/0/2/-2) is whether the drop down will show only published (1), unpublished (0), archived (2) or trashed (-2) categories. It is possible to combine different publishing status by entering the list of the corresponding numbers separated by comma (e.g. "0,2,-2" will display only unpublished, archived and trashed categories in the drop-down)"
 COM_TJFIELDS_CAPTURE_IMAGE="Capture Image"
 COM_TJFIELDS_LBL_ACCORDION="Accordion Tag"
+
+;Added in 2.0.2
+COM_TJFIELDS_UNIQUEID="UniqueId"

administrator/models/fields/tjfieldfields.php

@@ -82,6 +82,7 @@ protected function getInput()
 		$options[] = HTMLHelper::_('select.option', 'itemcategory', Text::_('COM_TJFIELDS_ITEM_CATEGORY'));
 		$options[] = HTMLHelper::_('select.option', 'number', Text::_('COM_TJFIELDS_NUMBER'));
 		$options[] = HTMLHelper::_('select.option', 'hidden', Text::_('COM_TJFIELDS_HIDDEN'));
+		$options[] = HTMLHelper::_('select.option', 'uniqueid', Text::_('COM_TJFIELDS_UNIQUEID'));
 
 		if ($installUcm === 1)
 		{

administrator/models/fields/uniqueid.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * @package    Tjfields
+ * @author     Techjoomla <extensions@techjoomla.com>
+ * @copyright  Copyright (c) 2009-2022 TechJoomla. All rights reserved.
+ * @license    GNU General Public License version 2 or later.
+ */
+
+defined('JPATH_BASE') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\FormField;
+use Joomla\CMS\MVC\Model\BaseDatabaseModel;
+
+/**
+ * Supports an HTML select list of categories
+ *
+ * @since  1.0
+ */
+class JFormFieldUniqueid extends FormField
+{
+	/**
+	 * The form field type.
+	 *
+	 * @var        string
+	 * @since    1.0
+	 */
+	protected $type = 'uniqueid';
+
+	/**
+	 * Method to get the field input markup.
+	 *
+	 * @return    string    The field input markup.
+	 *
+	 * @since    1.6
+	 */
+	protected function getInput()
+	{
+		$html  = array();
+		$input = Factory::getApplication()->input;
+		$ucmId = $input->get("id", 0, "INT");
+
+		if (empty($this->value))
+		{
+			$characters = '0123456789';
+			$charactersLength = strlen($characters);
+			$randomString = '';
+
+			for ($i = 0; $i < $this->element->attributes()->uniqueid_digitcount; $i++)
+			{
+				$randomString .= $characters[rand(0, $charactersLength - 1)];
+			}
+
+			$uniqueidValue = $this->element->attributes()->uniqueid_prefix . '_' . $randomString . '_';
+		}
+
+		if (!empty($uniqueidValue))
+		{
+			$html[] = '<input type="hidden" name="' . $this->name . '" value="'. $uniqueidValue.'" readonly />';
+		}
+
+		return implode($html);
+	}
+}

site/helpers/tjfields.php

@@ -250,6 +250,11 @@ public function saveFieldsValue($data)
 			{
 				$this->saveMediaFieldData($fieldValue, $field->client, $data['content_id'], $field->id, $fieldStoredValues);
 			}
+			elseif ($field->type == 'uniqueid')
+			{
+				$fieldValue = $fieldValue . $data['content_id'];
+				$this->saveSingleValuedFieldData($fieldValue, $field->client, $data['content_id'], $field->id, $fieldStoredValues);
+			}
 			elseif ($field->type == 'subform')
 			{
 				$fieldValue = json_encode($fieldValue);