primo commit

administrator/components/com_jem/models/fields/catoptions.php

@@ -0,0 +1,114 @@
+<?php
+/**
+ * @package    JEM
+ * @copyright  (C) 2013-2024 joomlaeventmanager.net
+ * @copyright  (C) 2005-2009 Christoph Lukes
+ * @license    https://www.gnu.org/licenses/gpl-3.0 GNU/GPL
+ */
+
+defined('JPATH_BASE') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Form\Field\ListField;
+use Joomla\CMS\Form\FormHelper;
+use Joomla\CMS\HTML\HTMLHelper;
+
+FormHelper::loadFieldClass('list');
+
+/**
+ * CatOptions Field class.
+ */
+class JFormFieldCatOptions extends ListField
+{
+	/**
+	 * The category options field type.
+	 */
+	protected $type = 'CatOptions';
+
+
+	/**
+	 * Create Input
+	 * @see ListField::getInput()
+	 */
+	public function getInput()
+	{
+		$attr = '';
+
+		// Initialize field attributes.
+        $attr .= !empty($this->class) ? ' class="' . $this->class . '"' : '';
+        $attr .= !empty($this->size) ? ' size="' . $this->size . '"' : '';
+        $attr .= $this->multiple ? ' multiple' : '';
+        $attr .= $this->required ? ' required aria-required="true"' : '';
+
+        // To avoid user's confusion, readonly="true" should imply disabled="true".
+        if ((string) $this->readonly == '1' || (string) $this->readonly == 'true' || (string) $this->disabled == '1'|| (string) $this->disabled == 'true')
+        {
+            $attr .= ' disabled="disabled"';
+        }
+
+        // Initialize JavaScript field attributes.
+        $attr .= $this->onchange ? ' onchange="' . $this->onchange . '"' : '';
+
+		// Get the field options.
+		$options = (array) $this->getOptions();
+
+		$jinput = Factory::getApplication()->input;
+		$currentid = $jinput->getInt('id');
+
+        $db = Factory::getContainer()->get('DatabaseDriver');
+		$query	= $db->getQuery(true);
+		$query->select('DISTINCT catid');
+		$query->from('#__jem_cats_event_relations');
+		$query->where('itemid = '. $db->quote($currentid));
+		$db->setQuery($query);
+		$selectedcats = $db->loadColumn();
+
+		// Create a read-only list (no name) with a hidden input to store the value.
+		if ((string) $this->readonly == '1' || (string) $this->readonly == 'true')
+		{
+			$html[] = HTMLHelper::_('select.genericlist', $options, $this->name, trim($attr), 'value', 'text', $selectedcats,$this->id);
+			$html[] = '<input type="hidden" name="' . $this->name . '" value="' . htmlspecialchars($selectedcats, ENT_COMPAT, 'UTF-8') . '"/>';
+		}
+		else
+		// Create a regular list.
+		{
+			$html[] = HTMLHelper::_('select.genericlist', $options, $this->name, trim($attr), 'value', 'text', $selectedcats,$this->id);
+		}
+		return implode($html);
+	}
+
+
+	/**
+	 * Retrieve Options
+	 * @see ListField::getOptions()
+	 */
+	protected function getOptions()
+	{
+		$options = JemCategories::getCategoriesTree();
+		$options = array_values($options);
+
+		// Pad the option text with spaces using depth level as a multiplier
+		# the level has to be decreased as we are having a (invisible) root
+		# treename is generated by the function so let's use that one instead of the Joomla way
+		for ($i = 0, $n = (is_array($options) ? count($options) : 0); $i < $n; $i++)
+		{
+			/*
+			if ($options[$i]->published == 1)
+			{
+				$options[$i]->text = str_repeat('- ', ($options[$i]->level - 1)) . $options[$i]->text;
+			}
+			else
+			{
+				$options[$i]->text = str_repeat('- ', ($options[$i]->level - 1)) . '[' . $options[$i]->text . ']';
+			}
+			*/
+
+			$options[$i]->text = $options[$i]->treename;
+		}
+
+		// Merge any additional options in the XML definition.
+		$options = array_merge(parent::getOptions(), $options);
+
+		return $options;
+	}
+}