acf

plugins/system/nrframework/fields/componentitems.php

@@ -0,0 +1,229 @@
+<?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
+*/
+
+// No direct access to this file
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\Registry\Registry;
+
+require_once __DIR__ . '/ajaxify.php';
+
+/*
+ * Creates an AJAX-based dropdown
+ * https://select2.org/
+ */
+class JFormFieldComponentItems extends JFormFieldAjaxify
+{
+    /**
+     * Single items table name
+     *
+     * @var string
+     */
+    protected $table = 'content';
+
+    /**
+     * Primary key column of the single items table
+     *
+     * @var string
+     */
+    protected $column_id = 'id';
+
+    /**
+     * The title column of the single items table
+     *
+     * @var string
+     */
+    protected $column_title = 'title';
+
+    /**
+     * The state column of the single items table
+     *
+     * @var string
+     */
+    protected $column_state = 'state';
+
+    /**
+     * Pass extra where SQL statement
+     *
+     * @var string
+     */
+    protected $where;
+
+    /**
+     * Pass extra join SQL statement
+     *
+     * @var string
+     */
+    protected $join;
+
+    /**
+     * Pass extra group SQL statement
+     *
+     * @var string
+     */
+    protected $query_group;
+
+    /**
+     * The Joomla database object
+     *
+     * @var object
+     */
+    protected $db;
+
+	/**
+	 * 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   3.2
+	 */
+    public function setup(SimpleXMLElement $element, $value, $group = null)
+    {
+		if ($return = parent::setup($element, $value, $group))
+		{
+            $this->init();
+        }
+        
+		return $return;
+    }
+
+    public function init()
+    {
+        $this->table = isset($this->element['table']) ? (string) $this->element['table'] : $this->table;
+
+        $this->column_id = isset($this->element['column_id']) ? (string) $this->element['column_id'] : $this->column_id;
+        $this->column_id = $this->prefix($this->column_id);
+
+        $this->column_title = isset($this->element['column_title']) ? (string) $this->element['column_title'] : $this->column_title;
+        $this->column_title = $this->prefix($this->column_title);
+
+        $this->column_state = isset($this->element['column_state']) ? (string) $this->element['column_state'] : $this->column_state;
+        $this->column_state = $this->prefix($this->column_state);
+
+        $this->where = isset($this->element['where']) ? (string) $this->element['where'] : null;
+        $this->join = isset($this->element['join']) ? (string) $this->element['join'] : null;
+        $this->query_group = isset($this->element['group']) ? (string) $this->element['group'] : null;
+
+        if (!isset($this->element['placeholder']) && isset($this->element['description']))
+        {
+            $this->placeholder = (string) $this->element['description'];
+        }
+
+        // Initialize database Object
+        $this->db = Factory::getDbo();
+    }
+
+    private function prefix($string)
+    {
+        if (strpos($string, '.') === false)
+        {
+            $string = 'i.' . $string;
+        }
+
+        return $string;
+    }
+
+    protected function getTemplateResult()
+    {
+        return '<span class="row-text">\' + state.text + \'</span><span style="float:right; opacity:.7">\' + state.id + \'</span>';
+    }
+
+    protected function getItemsQuery()
+    {
+        $db = $this->db;
+
+        $query = $this->getQuery()
+            ->order($db->quoteName($this->column_id) . ' DESC');
+
+        if ($this->limit > 0)
+        {
+            // Joomla uses offset
+            $page = $this->page - 1;
+
+            $query->setLimit($this->limit, $page * $this->limit);
+        }
+
+        return $query;
+    }
+
+    protected function getItems()
+    {
+        $db = $this->db;
+
+        $db->setQuery($this->getItemsQuery());
+        
+		return $db->loadObjectList();
+    }
+
+    protected function getItemsTotal()
+    {
+        $db = $this->db;
+
+        $query = $this->getQuery()
+            ->clear('select')
+            ->select('count(*)');
+        $db->setQuery($query);
+
+		return (int) $db->loadResult();
+    }
+
+    protected function getQuery()
+    {
+        $db = $this->db;
+
+        $query = $db->getQuery(true)
+            ->select([
+                $db->quoteName($this->column_id, 'id'),
+                $db->quoteName($this->column_title, 'text'),
+                $db->quoteName($this->column_state, 'state')
+            ])
+            ->from($db->quoteName('#__' . $this->table, 'i'));
+
+        if (!empty($this->search_term))
+        {
+            $query->where($db->quoteName($this->column_title) . ' LIKE ' . $db->quote('%' . $this->search_term . '%'));
+        }
+
+        if ($this->join)
+        {
+            $query->join('INNER', $this->join);
+        }
+
+        if ($this->where)
+        {
+            $query->where($this->where);
+        }
+
+        if ($this->query_group)
+        {
+            $query->group($this->query_group);
+        }
+
+        return $query;
+    }
+
+    protected function validateOptions($options)
+    {
+        $db = $this->db;
+
+        $query = $this->getQuery()
+            ->where($db->quoteName($this->column_id) . ' IN (' . implode(',', $options) . ')');
+       
+        $db->setQuery($query);
+
+        return $db->loadAssocList('id', 'text');
+    }
+}