Написание компонента для Joomla 1.6 - страница 5 - Разработка расширений для Joomla 2.5

<?php
defined('JPATH_PLATFORM') or die;
abstract class JHtmlPlatonische
{
	public static function categories($name, $selected)
	{
		$db = JFactory::getDbo();
		$query = $db->getQuery(true);
		$query->select('a.*');
		$query->from('#__abc_cat AS a');
		$query->where('a.published = 1');
		$query->order('a.title ASC');

		$db->setQuery($query);
		$groups = $db->loadObjectList();

		// Check for a database error.
		if ($db->getErrorNum())
		{
			JError::raiseNotice(500, $db->getErrorMsg());
			return null;
		}

		$html = array();

		$html[] = '<ul class="checklist usergroups">';

		for ($i = 0, $n = count($groups); $i < $n; $i++)
		{
			$item = &$groups[$i];

				// Don't call in_array unless something is selected
				$checked = '';
				if ($selected)
				{
					$checked = in_array($item->id, $selected)? ' checked="checked"' : '';
				}

				// Build the HTML for the item.
				$html[] = '	<li>';
				$html[] = '		<input type="checkbox" name="' . $name . '[]" value="' . $item->id . '"';
				$html[] = '				' . $checked . ' />';
				$html[] = '		<label>';
				$html[] = $item->title;
				$html[] = '		</label>';
				$html[] = '	</li>';
			
		}
		$html[] = '</ul>';

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

	
}

<?php
defined('_JEXEC') or die('Restricted access');
JHtml::_('behavior.tooltip');
JHtml::_('behavior.formvalidation');
?>
<form action="<?php echo JRoute::_('index.php?option=com_abc&layout=edit&id='.(int) $this->item->id); ?>" method="post" name="adminForm" id="abc-form" class="form-validate">
<fieldset class="adminform">
	<legend><?php echo JText::_( 'COM_MYCOMPONENT_DETALIS' ); ?></legend>
	<?php foreach($this->form->getFieldset() as $field): ?>
	<?php if (!$field->hidden): ?>
	<?php echo $field->label; ?>
	<?php endif; ?>
	<?php echo $field->input; ?>
	<?php endforeach; ?>
<?php //echo $this->item->cat_id."<br>"; ?>
<?php echo JHtml::_('platonische.categories', 'cat_id', $this->item->cat_id); ?>
</fieldset>
	
<div>
	<input type="hidden" name="task" value="record.edit" />
	<?php echo JHtml::_('form.token'); ?>
</div>
</form>

<?php
defined('_JEXEC') or die('Restricted access');
jimport('joomla.application.component.modeladmin');
class AbcModelRecord extends JModelAdmin
{

	public function getTable($type = 'Record', $prefix = 'AbcTable', $config = array()) 
	{
		return JTable::getInstance($type, $prefix, $config);
	}

	public function getForm($data = array(), $loadData = true) 
	{
		// Get the form.
		$form = $this->loadForm('com_abc.record', 'record', array('control' => 'jform', 'load_data' => $loadData));
		if (empty($form)) 
		{
			return false;
		}
		return $form;
	}
	
	public function getScript() 
	{
		return 'administrator/components/com_abc/models/forms/record.js';
	}
	
	protected function loadFormData() 
	{
		$data = JFactory::getApplication()->getUserState('com_abc.edit.record.data', array());
		if (empty($data)) 
		{
			$data = $this->getItem();
		}
		return $data;
	}

	public function save($data)
	{
		if (!isset($data['cat_id'])) {
			$data['cat_id']=array();
		}

		return parent::save($data);
	}
}

<?xml version="1.0" encoding="utf-8"?>
<form 	addrulepath="/administrator/components/com_abc/models/rules">
	
<fieldset>
	<field
	name="id"
	type="hidden"
	/>
		
	<field
	name="title"
	type="text"
	label="COM_MYCOMPONENT_RAZDEL"
	size="40"
	default=""
	/>
		
	<field
	name="published"
	type="list"
	label="JSTATUS"
	class="inputbox"
	size="1"
	default="1">
	<option value="1">JPUBLISHED</option>
	<option value="0">JUNPUBLISHED</option>
	</field>


		<field name="cat_id" type="hidden"
			filter="int_array"
		/>


	
	</fieldset>
</form>

	public function save($data)
	{
		$cat_ids	= JRequest::getVar('cat_id', array(), '', 'array');
		$data['cat_id'] = json_encode($cat_ids);
		//if (!isset($data['cat_id'])) {
		//	$data['cat_id']=array();
		//}

		return parent::save($data);
	}

JArrayHelper::toInteger($data['cat_id'], array(0));
$data['cat_id'] = json_encode($data['cat_id']);

var_dump($var);