Joomla! Documentation™

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This tutorial is for

Articles in this series

Articles in this Series

1. Introduction
2. Developing a Basic Component
3. Adding a view to the site part
4. Adding a menu type to the site part
5. Adding a model to the site part
6. Adding a variable request in the menu type
7. Using the database
8. Basic backend
9. Adding language management
10. Adding backend actions
11. Adding decorations to the backend
12. Adding verifications
13. Adding categories
14. Adding configuration
15. Adding ACL
16. Adding an install/uninstall/update script file
17. Using the language filter facility
18. Adding an update server
19. Example of a Frontend Update Function
20. Example of Menu Parameters & Stylesheets

Introduction

This tutorial is part of the Developing a Model-View-Controller (MVC) Component for Joomla!2.5 tutorial. You are encouraged to read the previous parts of the tutorial before reading this.

Describing the ACL (Access Control List)

Each component has its own ACL. They can be described in an access.xml file located at the root of the admin folder. This file describes the ACL for the com_helloworld component in a different section. In this example, we have chosen to separate the different ACL into two sections: components and messages.

admin/access.xml

<?xml version="1.0" encoding="utf-8" ?>
<access component="com_helloworld">
	<section name="component">
		<action name="core.admin" title="JACTION_ADMIN" description="JACTION_ADMIN_COMPONENT_DESC" />
		<action name="core.manage" title="JACTION_MANAGE" description="JACTION_MANAGE_COMPONENT_DESC" />
		<action name="core.create" title="JACTION_CREATE" description="JACTION_CREATE_COMPONENT_DESC" />
		<action name="core.delete" title="JACTION_DELETE" description="JACTION_DELETE_COMPONENT_DESC" />
		<action name="core.edit" title="JACTION_EDIT" description="JACTION_EDIT_COMPONENT_DESC" />
	</section>
	<section name="message">
		<action name="core.delete" title="JACTION_DELETE" description="COM_HELLOWORLD_ACCESS_DELETE_DESC" />
		<action name="core.edit" title="JACTION_EDIT" description="COM_HELLOWORLD_ACCESS_EDIT_DESC" />
	</section>
</access>

Restricting access to the component

The main idea in ACL is to restrict actions to groups of users. The first action to be restricted is access to the component itself. With your favorite file editor, edit the admin/helloworld.php file and it these lines

admin/helloworld.php

<?php
// No direct access to this file
defined('_JEXEC') or die('Restricted access');

// Access check.
if (!JFactory::getUser()->authorise('core.manage', 'com_helloworld')) 
{
	return JError::raiseWarning(404, JText::_('JERROR_ALERTNOAUTHOR'));
}

// require helper file
JLoader::register('HelloWorldHelper', dirname(__FILE__) . DS . 'helpers' . DS . 'helloworld.php');

// import joomla controller library
jimport('joomla.application.component.controller');

// Get an instance of the controller prefixed by HelloWorld
$controller = JController::getInstance('HelloWorld');

// Perform the Request task
$controller->execute(JRequest::getCmd('task'));
 
// Redirect if set by the controller
$controller->redirect();

Displaying only the right toolbar buttons

The toolbar buttons that have to be displayed depend on the ACL rights.

In the admin/views/helloworlds/view.html.php, put this code

admin/views/helloworlds/view.html.php

<?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() 
	{
		$canDo = HelloWorldHelper::getActions();
		JToolBarHelper::title(JText::_('COM_HELLOWORLD_MANAGER_HELLOWORLDS'), 'helloworld');
		if ($canDo->get('core.create')) 
		{
			JToolBarHelper::addNew('helloworld.add', 'JTOOLBAR_NEW');
		}
		if ($canDo->get('core.edit')) 
		{
			JToolBarHelper::editList('helloworld.edit', 'JTOOLBAR_EDIT');
		}
		if ($canDo->get('core.delete')) 
		{
			JToolBarHelper::deleteList('', 'helloworlds.delete', 'JTOOLBAR_DELETE');
		}
		if ($canDo->get('core.admin')) 
		{
			JToolBarHelper::divider();
			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'));
	}
}

In the admin/views/helloworld/view.html.php, put this code

admin/views/helloworld/view.html.php

<?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);
		$user = JFactory::getUser();
		$userId = $user->id;
		$isNew = $this->item->id == 0;
		$canDo = HelloWorldHelper::getActions($this->item->id);
		JToolBarHelper::title($isNew ? JText::_('COM_HELLOWORLD_MANAGER_HELLOWORLD_NEW')
		                             : JText::_('COM_HELLOWORLD_MANAGER_HELLOWORLD_EDIT'), 'helloworld');
		// Built the actions for new and existing records.
		if ($isNew) 
		{
			// For new records, check the create permission.
			if ($canDo->get('core.create')) 
			{
				JToolBarHelper::apply('helloworld.apply', 'JTOOLBAR_APPLY');
				JToolBarHelper::save('helloworld.save', 'JTOOLBAR_SAVE');
				JToolBarHelper::custom('helloworld.save2new', 'save-new.png', 'save-new_f2.png',
				                       'JTOOLBAR_SAVE_AND_NEW', false);
			}
			JToolBarHelper::cancel('helloworld.cancel', 'JTOOLBAR_CANCEL');
		}
		else
		{
			if ($canDo->get('core.edit'))
			{
				// We can save the new record
				JToolBarHelper::apply('helloworld.apply', 'JTOOLBAR_APPLY');
				JToolBarHelper::save('helloworld.save', 'JTOOLBAR_SAVE');

				// We can save this record, but check the create permission to see
				// if we can return to make a new one.
				if ($canDo->get('core.create')) 
				{
					JToolBarHelper::custom('helloworld.save2new', 'save-new.png', 'save-new_f2.png',
					                       'JTOOLBAR_SAVE_AND_NEW', false);
				}
			}
			if ($canDo->get('core.create')) 
			{
				JToolBarHelper::custom('helloworld.save2copy', 'save-copy.png', 'save-copy_f2.png',
				                       'JTOOLBAR_SAVE_AS_COPY', false);
			}
			JToolBarHelper::cancel('helloworld.cancel', 'JTOOLBAR_CLOSE');
		}
	}
	/**
	 * Method to set up the document properties
	 *
	 * @return void
	 */
	protected function setDocument() 
	{
		$isNew = $this->item->id == 0;
		$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');
	}
}

These two files use the getActions method defined in the admin/helpers/helloworld.php file

In the admin/helpers/helloworld.php, put this code

admin/helpers/helloworld.php

<?php
// No direct access to this file
defined('_JEXEC') or die;

/**
 * HelloWorld component helper.
 */
abstract class HelloWorldHelper
{
	/**
	 * Configure the Linkbar.
	 */
	public static function addSubmenu($submenu) 
	{
		JSubMenuHelper::addEntry(JText::_('COM_HELLOWORLD_SUBMENU_MESSAGES'),
		                         'index.php?option=com_helloworld', $submenu == 'messages');
		JSubMenuHelper::addEntry(JText::_('COM_HELLOWORLD_SUBMENU_CATEGORIES'),
		                         'index.php?option=com_categories&view=categories&extension=com_helloworld',
		                         $submenu == 'categories');
		// set some global property
		$document = JFactory::getDocument();
		$document->addStyleDeclaration('.icon-48-helloworld ' .
		                               '{background-image: url(../media/com_helloworld/images/tux-48x48.png);}');
		if ($submenu == 'categories') 
		{
			$document->setTitle(JText::_('COM_HELLOWORLD_ADMINISTRATION_CATEGORIES'));
		}
	}
	/**
	 * Get the actions
	 */
	public static function getActions($messageId = 0)
	{	
		jimport('joomla.access.access');
		$user	= JFactory::getUser();
		$result	= new JObject;

		if (empty($messageId)) {
			$assetName = 'com_helloworld';
		}
		else {
			$assetName = 'com_helloworld.message.'.(int) $messageId;
		}

		$actions = JAccess::getActions('com_helloworld', 'component');
		
		foreach ($actions as $action) {
			$result->set($action->name, $user->authorise($action->name, $assetName));
		}

		return $result;
	}
}

Adding permissions settings in the component preferences

Since we now use ACL rights in our component, we need to set them at the component level.

admin/config.xml

<?xml version="1.0" encoding="utf-8"?>
<config>
	<fieldset
		name="greetings"
		label="COM_HELLOWORLD_CONFIG_GREETING_SETTINGS_LABEL"
		description="COM_HELLOWORLD_CONFIG_GREETING_SETTINGS_DESC"
	>
		<field
			name="show_category"
			type="radio"
			label="COM_HELLOWORLD_HELLOWORLD_FIELD_SHOW_CATEGORY_LABEL"
			description="COM_HELLOWORLD_HELLOWORLD_FIELD_SHOW_CATEGORY_DESC"
			default="0"
		>
			<option value="0">JHIDE</option>
			<option value="1">JSHOW</option>
		</field>
	</fieldset>
	<fieldset
		name="permissions"
		label="JCONFIG_PERMISSIONS_LABEL"
		description="JCONFIG_PERMISSIONS_DESC"
	>
		<field
			name="rules"
			type="rules"
			label="JCONFIG_PERMISSIONS_LABEL"
			class="inputbox"
			validate="rules"
			filter="rules"
			component="com_helloworld"
			section="component"
		/>
	</fieldset>
</config>

Setting the value in the assets table

In order to set asset for each message, we have to do two things.

First, the 'core.edit' ACL "right" is taken from the message itself, then from the component.

admin/models/helloworld.php

<?php
// No direct access to this file
defined('_JEXEC') or die('Restricted access');

// import Joomla modelform library
jimport('joomla.application.component.modeladmin');

/**
 * HelloWorld Model
 */
class HelloWorldModelHelloWorld extends JModelAdmin
{
	/**
	 * Method override to check if you can edit an existing record.
	 *
	 * @param	array	$data	An array of input data.
	 * @param	string	$key	The name of the key for the primary key.
	 *
	 * @return	boolean
	 * @since	2.5
	 */
	protected function allowEdit($data = array(), $key = 'id')
	{
		// Check specific edit permission then general edit permission.
		return JFactory::getUser()->authorise('core.edit', 'com_helloworld.message.'.
		                                      ((int) isset($data[$key]) ? $data[$key] : 0))
		       or parent::allowEdit($data, $key);
	}
	/**
	 * Returns a reference to the a Table object, always creating it.
	 *
	 * @param	type	The table type to instantiate
	 * @param	string	A prefix for the table class name. Optional.
	 * @param	array	Configuration array for model. Optional.
	 * @return	JTable	A database object
	 * @since	2.5
	 */
	public function getTable($type = 'HelloWorld', $prefix = 'HelloWorldTable', $config = array()) 
	{
		return JTable::getInstance($type, $prefix, $config);
	}
	/**
	 * Method to get the record form.
	 *
	 * @param	array	$data		Data for the form.
	 * @param	boolean	$loadData	True if the form is to load its own data (default case), false if not.
	 * @return	mixed	A JForm object on success, false on failure
	 * @since	2.5
	 */
	public function getForm($data = array(), $loadData = true) 
	{
		// Get the form.
		$form = $this->loadForm('com_helloworld.helloworld', 'helloworld',
		                        array('control' => 'jform', 'load_data' => $loadData));
		if (empty($form)) 
		{
			return false;
		}
		return $form;
	}
	/**
	 * Method to get the script that have to be included on the form
	 *
	 * @return string	Script files
	 */
	public function getScript() 
	{
		return 'administrator/components/com_helloworld/models/forms/helloworld.js';
	}
	/**
	 * Method to get the data that should be injected in the form.
	 *
	 * @return	mixed	The data for the form.
	 * @since	2.5
	 */
	protected function loadFormData() 
	{
		// Check the session for previously entered form data.
		$data = JFactory::getApplication()->getUserState('com_helloworld.edit.helloworld.data', array());
		if (empty($data)) 
		{
			$data = $this->getItem();
		}
		return $data;
	}
}

Second, set the asset name, asset title and asset parent in the helloworld table.

admin/tables/helloworld.php

<?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;
		}

		// Bind the rules.
		if (isset($array['rules']) && is_array($array['rules']))
		{
			$rules = new JAccessRules($array['rules']);
			$this->setRules($rules);
		}
		
		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;
			$params->loadJSON($this->params);
			$this->params = $params;
			return true;
		}
		else
		{
			return false;
		}
	}
	/**
	 * Method to compute the default name of the asset.
	 * The default name is in the form `table_name.id`
	 * where id is the value of the primary key of the table.
	 *
	 * @return	string
	 * @since	2.5
	 */
	protected function _getAssetName()
	{
		$k = $this->_tbl_key;
		return 'com_helloworld.message.'.(int) $this->$k;
	}

	/**
	 * Method to return the title to use for the asset table.
	 *
	 * @return	string
	 * @since	2.5
	 */
	protected function _getAssetTitle()
	{
		return $this->greeting;
	}

	/**
	 * Get the parent asset id for the record
	 *
	 * @return	int
	 * @since	2.5
	 */
	protected function _getAssetParentId()
	{
		$asset = JTable::getInstance('Asset');
		$asset->loadByName('com_helloworld');
		return $asset->id;
	}
}

At last display the ACL interface at the bottom of your Helloworld form

admin/views/helloworld/tmpl/edit.php

<?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>


       <!-- begin ACL definition-->

       <div class="clr"></div>
   
   <?php if ($this->canDo->get('core.admin')): ?>
      <div class="width-100 fltlft">
         <?php echo JHtml::_('sliders.start', 'permissions-sliders-'.$this->item->id, array('useCookie'=>1)); ?>

            <?php echo JHtml::_('sliders.panel', JText::_('COM_HELLOWORLD_FIELDSET_RULES'), 'access-rules'); ?>
            <fieldset class="panelform">
               <?php echo $this->form->getLabel('rules'); ?>
               <?php echo $this->form->getInput('rules'); ?>
            </fieldset>

         <?php echo JHtml::_('sliders.end'); ?>
      </div>
   <?php endif; ?>

      <!-- end ACL definition-->
 
   <div>
      <input type="hidden" name="task" value="helloworld.edit" />
      <?php echo JHtml::_('form.token'); ?>
   </div>
</form>

Further reading

More information on actions, assets and ACL can be found on the following pages:

• ACL Tutorial for Joomla 1.6
• How to implement actions in your code

Packaging the component

Content of your code directory

• helloworld.xml
• site/index.html
• site/helloworld.php
• site/controller.php
• site/views/index.html
• site/views/helloworld/index.html
• site/views/helloworld/view.html.php
• site/views/helloworld/tmpl/index.html
• site/views/helloworld/tmpl/default.xml
• site/views/helloworld/tmpl/default.php
• site/models/index.html
• site/models/helloworld.php
• site/language/index.html
• site/language/en-GB/index.html
• site/language/en-GB/en-GB.com_helloworld.ini
• admin/index.html
• admin/access.xml
• admin/config.xml
• admin/helloworld.php
• admin/controller.php
• admin/sql/index.html
• admin/sql/install.mysql.utf8.sql
• admin/sql/uninstall.mysql.utf8.sql
• admin/sql/updates/index.html
• admin/sql/updates/mysql/index.html
• admin/sql/updates/mysql/0.0.1.sql
• admin/sql/updates/mysql/0.0.6.sql
• admin/sql/updates/mysql/0.0.12.sql
• admin/sql/updates/mysql/0.0.13.sql
• admin/models/index.html
• admin/models/fields/index.html
• admin/models/fields/helloworld.php
• admin/models/forms/index.html
• admin/models/forms/helloworld.xml
• admin/models/forms/helloworld.js
• admin/models/rules/index.html
• admin/models/rules/greeting.php
• admin/models/helloworld.php
• admin/models/helloworlds.php
• admin/views/index.html
• admin/views/helloworlds/index.html
• admin/views/helloworlds/view.html.php
• admin/views/helloworlds/tmpl/index.html
• admin/views/helloworlds/tmpl/default.php
• admin/views/helloworlds/tmpl/default_head.php
• admin/views/helloworlds/tmpl/default_body.php
• admin/views/helloworlds/tmpl/default_foot.php
• admin/views/helloworld/index.html
• admin/views/helloworld/view.html.php
• admin/views/helloworld/submitbutton.js
• admin/views/helloworld/tmpl/index.html
• admin/views/helloworld/tmpl/edit.php
• admin/helpers/index.html
• admin/helpers/helloworld.php
• admin/tables/index.html
• admin/tables/helloworld.php
• admin/language/en-GB/en-GB.com_helloworld.ini
• admin/language/en-GB/en-GB.com_helloworld.sys.ini
• admin/controllers/index.html
• admin/controllers/helloworld.php
• admin/controllers/helloworlds.php
• language/en-GB/en-GB.ini
• media/index.html
• media/images/index.html
• media/images/tux-16x16.png
• media/images/tux-48x48.png

Create a compressed file of this directory or directly download the archive and install it using the extension manager of Joomla. You can add a menu item of this component using the menu manager in the backend.

helloworld.xml

<?xml version="1.0" encoding="utf-8"?>
<extension type="component" version="2.5.0" method="upgrade">

	<name>COM_HELLOWORLD</name>
	<!-- The following elements are optional and free of formatting constraints -->
	<creationDate>November 2009</creationDate>
	<author>John Doe</author>
	<authorEmail>john.doe@example.org</authorEmail>
	<authorUrl>http://www.example.org</authorUrl>
	<copyright>Copyright Info</copyright>
	<license>License Info</license>
	<!--  The version string is recorded in the components table -->
	<version>0.0.14</version>
	<!-- The description is optional and defaults to the name -->
	<description>COM_HELLOWORLD_DESCRIPTION</description>

	<install> <!-- Runs on install -->
		<sql>
			<file driver="mysql" charset="utf8">sql/install.mysql.utf8.sql</file>
		</sql>
	</install>
	<uninstall> <!-- Runs on uninstall -->
		<sql>
			<file driver="mysql" charset="utf8">sql/uninstall.mysql.utf8.sql</file>
		</sql>
	</uninstall>
	<update> <!-- Runs on update; New in 2.5 -->
		<schemas>
			<schemapath type="mysql">sql/updates/mysql</schemapath>
		</schemas>
	</update>

	<!-- Site Main File Copy Section -->
	<!-- Note the folder attribute: This attribute describes the folder
		to copy FROM in the package to install therefore files copied
		in this section are copied from /site/ in the package -->
	<files folder="site">
		<filename>index.html</filename>
		<filename>helloworld.php</filename>
		<filename>controller.php</filename>
		<folder>views</folder>
		<folder>models</folder>
		<folder>language</folder>
	</files>

	<media destination="com_helloworld" folder="media">
		<filename>index.html</filename>
		<folder>images</folder>
	</media>

	<administration>
		<!-- Administration Menu Section -->
		<menu img="../media/com_helloworld/images/tux-16x16.png">COM_HELLOWORLD_MENU</menu>
		<!-- Administration Main File Copy Section -->
		<!-- Note the folder attribute: This attribute describes the folder
			to copy FROM in the package to install therefore files copied
			in this section are copied from /admin/ in the package -->
		<files folder="admin">
			<!-- Admin Main File Copy Section -->
			<filename>index.html</filename>
			<filename>config.xml</filename>
			<filename>access.xml</filename>
			<filename>helloworld.php</filename>
			<filename>controller.php</filename>
			<!-- SQL files section -->
			<folder>sql</folder>
			<!-- tables files section -->
			<folder>tables</folder>
			<!-- models files section -->
			<folder>models</folder>
			<!-- views files section -->
			<folder>views</folder>
			<!-- controllers files section -->
			<folder>controllers</folder>
			<!-- helpers files section -->
			<folder>helpers</folder>
		</files>

		<languages folder="admin">
			<language tag="en-GB">language/en-GB/en-GB.com_helloworld.ini</language>
			<language tag="en-GB">language/en-GB/en-GB.com_helloworld.sys.ini</language>
		</languages>
	</administration>

</extension>

Zips

Download the zip file for this Part: [1]

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Contributors

• Christophe Demko
• Ozgur Aksu
• Florian Denizot