<?php
// No direct access to this file
defined('_JEXEC') or die('Restricted access');
 
// import Joomla view library
jimport('joomla.application.component.view');
 
/**
 * HelloWorlds View
 */
class HelloWorldViewHelloWorlds extends JView
{
	/**
	 * HelloWorlds view display method
	 * @return void
	 */
	function display($tpl = null) 
	{
		// Get data from the model
		$items = $this->get('Items');
		$pagination = $this->get('Pagination');
 
		// Check for errors.
		if (count($errors = $this->get('Errors'))) 
		{
			JError::raiseError(500, implode('<br />', $errors));
			return false;
		}
		// Assign data to the view
		$this->items = $items;
		$this->pagination = $pagination;
 
		// Set the toolbar
		$this->addToolBar();
 
		// Display the template
		parent::display($tpl);
 
		// Set the document
		$this->setDocument();
	}
 
	/**
	 * Setting the toolbar
	 */
	protected function addToolBar() 
	{
		JToolBarHelper::title(JText::_('COM_HELLOWORLD_MANAGER_HELLOWORLDS'), 'helloworld');
		JToolBarHelper::deleteListX('', 'helloworlds.delete');
		JToolBarHelper::editListX('helloworld.edit');
		JToolBarHelper::addNewX('helloworld.add');
		JToolBarHelper::preferences('com_helloworld');
	}
	/**
	 * Method to set up the document properties
	 *
	 * @return void
	 */
	protected function setDocument() 
	{
		$document = JFactory::getDocument();
		$document->setTitle(JText::_('COM_HELLOWORLD_ADMINISTRATION'));
	}
}

<?php
// No direct access
defined('_JEXEC') or die('Restricted access');
 
// import Joomla table library
jimport('joomla.database.table');
 
/**
 * Hello Table class
 */
class HelloWorldTableHelloWorld extends JTable
{
	/**
	 * Constructor
	 *
	 * @param object Database connector object
	 */
	function __construct(&$db) 
	{
		parent::__construct('#__helloworld', 'id', $db);
	}
	/**
	 * Overloaded bind function
	 *
	 * @param       array           named array
	 * @return      null|string     null is operation was satisfactory, otherwise returns an error
	 * @see JTable:bind
	 * @since 1.5
	 */
	public function bind($array, $ignore = '') 
	{
		if (isset($array['params']) && is_array($array['params'])) 
		{
			// Convert the params field to a string.
			$parameter = new JRegistry;
			$parameter->loadArray($array['params']);
			$array['params'] = (string)$parameter;
		}
		return parent::bind($array, $ignore);
	}
 
	/**
	 * Overloaded load function
	 *
	 * @param       int $pk primary key
	 * @param       boolean $reset reset data
	 * @return      boolean
	 * @see JTable:load
	 */
	public function load($pk = null, $reset = true) 
	{
		if (parent::load($pk, $reset)) 
		{
			// Convert the params field to a registry.
			$params = new JRegistry;                 
      // loadJSON is @deprecated    12.1  Use loadString passing JSON as the format instead.
      $params->loadString($this->params, 'JSON');
      //$params->loadJSON($this->item->params);             
			$this->params = $params;
			return true;
		}
		else
		{
			return false;
		}
	}
}

<?php
// No direct access to this file
defined('_JEXEC') or die('Restricted access');
 
// import Joomla view library
jimport('joomla.application.component.view');
 
/**
 * HelloWorld View
 */
class HelloWorldViewHelloWorld extends JView
{
	/**
	 * display method of Hello view
	 * @return void
	 */
	public function display($tpl = null) 
	{
		// get the Data
		$form = $this->get('Form');
		$item = $this->get('Item');
		$script = $this->get('Script');
 
		// Check for errors.
		if (count($errors = $this->get('Errors'))) 
		{
			JError::raiseError(500, implode('<br />', $errors));
			return false;
		}
		// Assign the Data
		$this->form = $form;
		$this->item = $item;
		$this->script = $script;
 
		// Set the toolbar
		$this->addToolBar();
 
		// Display the template
		parent::display($tpl);
 
		// Set the document
		$this->setDocument();
	}
 
	/**
	 * Setting the toolbar
	 */
	protected function addToolBar() 
	{
		JRequest::setVar('hidemainmenu', true);
		$isNew = ($this->item->id == 0);
		JToolBarHelper::title($isNew ? JText::_('COM_HELLOWORLD_MANAGER_HELLOWORLD_NEW')
		                             : JText::_('COM_HELLOWORLD_MANAGER_HELLOWORLD_EDIT'), 'helloworld');
		JToolBarHelper::save('helloworld.save');
		JToolBarHelper::cancel('helloworld.cancel', $isNew ? 'JTOOLBAR_CANCEL' : 'JTOOLBAR_CLOSE');
	}
	/**
	 * Method to set up the document properties
	 *
	 * @return void
	 */
	protected function setDocument() 
	{
		$isNew = ($this->item->id < 1);
		$document = JFactory::getDocument();
		$document->setTitle($isNew ? JText::_('COM_HELLOWORLD_HELLOWORLD_CREATING')
		                           : JText::_('COM_HELLOWORLD_HELLOWORLD_EDITING'));
		$document->addScript(JURI::root() . $this->script);
		$document->addScript(JURI::root() . "/administrator/components/com_helloworld"
		                                  . "/views/helloworld/submitbutton.js");
		JText::script('COM_HELLOWORLD_HELLOWORLD_ERROR_UNACCEPTABLE');
	}
}

<?php
// No direct access
defined('_JEXEC') or die('Restricted access');
JHtml::_('behavior.tooltip');
JHtml::_('behavior.formvalidation');
$params = $this->form->getFieldsets('params');
?>
<form action="<?php echo JRoute::_('index.php?option=com_helloworld&layout=edit&id='.(int) $this->item->id); ?>"
      method="post" name="adminForm" id="helloworld-form" class="form-validate">
 
	<div class="width-60 fltlft">
		<fieldset class="adminform">
			<legend><?php echo JText::_( 'COM_HELLOWORLD_HELLOWORLD_DETAILS' ); ?></legend>
			<ul class="adminformlist">
<?php                      foreach($this->form->getFieldset('details') as $field): ?>
				<li><?php echo $field->label;echo $field->input;?></li>
<?php                      endforeach; ?>
			</ul>
		</fieldset>
	</div>
 
	<div class="width-40 fltrt">
<?php        echo JHtml::_('sliders.start', 'helloworld-slider');
             foreach ($params as $name => $fieldset):
                echo JHtml::_('sliders.panel', JText::_($fieldset->label), $name.'-params');
                if (isset($fieldset->description) && trim($fieldset->description)): ?>
    	        	<p class="tip"><?php echo $this->escape(JText::_($fieldset->description));?></p>
<?php           endif;?>
		<fieldset class="panelform" >
			<ul class="adminformlist">
<?php                        foreach ($this->form->getFieldset($name) as $field) : ?>
				<li><?php echo $field->label; ?><?php echo $field->input; ?></li>
<?php                        endforeach; ?>
			</ul>
		</fieldset>
<?php        endforeach; ?>
 
		<?php echo JHtml::_('sliders.end'); ?>
	</div>
 
	<div>
		<input type="hidden" name="task" value="helloworld.edit" />
		<?php echo JHtml::_('form.token'); ?>
	</div>
</form>

<?php
// No direct access to this file
defined('_JEXEC') or die('Restricted access');
 
// import Joomla modelitem library
jimport('joomla.application.component.modelitem');
 
/**
 * HelloWorld Model
 */
class HelloWorldModelHelloWorld extends JModelItem
{
	/**
	 * @var object item
	 */
	protected $item;
 
	/**
	 * Method to auto-populate the model state.
	 *
	 * This method should only be called once per instantiation and is designed
	 * to be called on the first call to the getState() method unless the model
	 * configuration flag to ignore the request is set.
	 *
	 * Note. Calling getState in this method will result in recursion.
	 *
	 * @return	void
	 * @since	2.5
	 */
	protected function populateState() 
	{
		$app = JFactory::getApplication();
		// Get the message id
		$id = JRequest::getInt('id');
		$this->setState('message.id', $id);
 
		// Load the parameters.
		$params = $app->getParams();
		$this->setState('params', $params);
		parent::populateState();
	}
 
	/**
	 * Returns a reference to the a Table object, always creating it.
	 *
	 * @param	type	The table type to instantiate
	 * @param	string	A prefix for the table class name. Optional.
	 * @param	array	Configuration array for model. Optional.
	 * @return	JTable	A database object
	 * @since	2.5
	 */
	public function getTable($type = 'HelloWorld', $prefix = 'HelloWorldTable', $config = array()) 
	{
		return JTable::getInstance($type, $prefix, $config);
	}
 
	/**
	 * Get the message
	 * @return object The message to be displayed to the user
	 */
	public function getItem() 
	{
		if (!isset($this->item)) 
		{
			$id = $this->getState('message.id');
			$this->_db->setQuery($this->_db->getQuery(true)
				->from('#__helloworld as h')
				->leftJoin('#__categories as c ON h.catid=c.id')
				->select('h.greeting, h.params, c.title as category')
				->where('h.id=' . (int)$id));
			if (!$this->item = $this->_db->loadObject()) 
			{
				$this->setError($this->_db->getError());
			}
			else
			{
				// Load the JSON string
				$params = new JRegistry;
                                // loadJSON is @deprecated    12.1  Use loadString passing JSON as the format instead.
				//$params->loadString($this->item->params, 'JSON');
                                $params->loadJSON($this->item->params);
				$this->item->params = $params;
 
				// Merge global params with item params
				$params = clone $this->getState('params');
				$params->merge($this->item->params);
				$this->item->params = $params;
			}
		}
		return $this->item;
	}
}

<?php
// No direct access to this file
defined('_JEXEC') or die('Restricted access');
 
// import Joomla view library
jimport('joomla.application.component.view');
 
/**
 * HTML View class for the HelloWorld Component
 */
class HelloWorldViewHelloWorld extends JView
{
	// Overwriting JView display method
	function display($tpl = null) 
	{
		// Assign data to the view
		$this->item = $this->get('Item');
 
		// Check for errors.
		if (count($errors = $this->get('Errors'))) 
		{
			JError::raiseError(500, implode('<br />', $errors));
			return false;
		}
		// Display the view
		parent::display($tpl);
	}
}

<?php
// No direct access to this file
defined('_JEXEC') or die('Restricted access');
?>
<h1><?php echo $this->item->greeting.(($this->item->category and $this->item->params->get('show_category'))
                                      ? (' ('.$this->item->category.')') : ''); ?>
</h1>