• Kurs Mootools 1.11

echo JRoute::_('index.php?option=com_komponent&task=view&id='.$kategoria->id);

From Joomla! Documentation

• calendar provides a text box for entry of a date. An icon next to the text box provides a link to a pop-up calendar, which can also be used to enter the date value.
• category provides a drop down list of categories from a given section.
• editors provides a drop down list of the available WYSIWYG editors.
• filelist provides a drop down list of files from a specified directory.
• folderlist provides a drop down list of folders from a specified directory.
• helpsites provides a drop down list of the help sites for your Joomla installation.
• hidden provides a hidden field for saving a parameter whose value cannot be altered directly by a user in the Administrator (it can be altered in code or by editing the params.ini file).
• imagelist provides a drop down list of image files in a specified directory.
• languages provides a drop down list of the installed languages for the Front-end or Back-end.
• list provides a drop down list of custom-defined entries.
• menu provides a drop down list of the available menus from your Joomla site.
• menuitem provides a drop down list of the available menu items from your Joomla site.
• password provides a text box for entry of a password. The password characters will be obscured as they are entered.
• radio provides radio buttons to select different options.
• section provides a drop down list of the sections from your Joomla site.
• spacer provides a visual separator between parameter field elements. It is purely a visual aid and no parameter value is stored.
• sql provides a drop down list of entries obtained by running a query on the Joomla Database. The first results column returned by the query provides the values for the drop down box.
• text provides a text box for data entry.
• textarea provides a text area for entry of multi-line text.
• timezones provides a drop down list of time zones.
• usergroup provides a drop down list of user groups.

// addStyleSheet

$doc =& JFactory::getDocument();
$doc->addStyleSheet( 'http://www.example.com/css/mystylesheet.css' );
//for the templates:
$this->addStyleSheet( 'templates/' . $this->template . '/css/mystylesheet.css' );

//deklaracja stylu

$doc =& JFactory::getDocument();
$style = 'BODY {'
        . 'background: #00ff00;'
        . 'color: rgb(0,0,255);'
        . '}'; 
$doc->addStyleDeclaration( $style );

// addScript

$doc =& JFactory::getDocument();
$doc->addScript("http://www.example.com/js/myscript.js");

//feklaracja skryptu

$extrascript = 'alert( \'Hello Joomla!\' )';
$doc =& JFactory::getDocument();
$doc->addScriptDeclaration( $extrascript );

//addCustomTag

$document =& JFactory::getDocument();
$document->addCustomTag("");

//CSS style sheets

$document->addHeadLink("components/com_helloworld/moolet/mootips.css", "stylesheet", "rel");




INNE

$document =& JFactory::getDocument();
$moje_pliki = JPATH_SITE.'modules'.DS.'mod_floom'.DS;
$document->addCustomTag(''); $document->addCustomTag(' google.load("mootools", "1.2.4");'); $document->addCustomTag(''); $document->addCustomTag('');
$document->addHeadLink($moje_pliki.'floom.css', 'stylesheet', 'rel');
$extrastyl=$params->get('art_css');
$document->addCustomTag(''.$extrastyl.'');
$extraskrypt='var zmienna=1;';
$document->addCustomTag(''.$extraskrypt.'');
$href = 'index.php/other/css/mycss.css'; 
$attribs = array('type' => 'text/css'); 
$document->addHeadLink( $href, 'stylesheet', 'rel', $attribs );

$$('a');    //returns all anchor elements in the page
$$('a', 'b');    //returns all anchor and bold tags on the page
$$('#myElement');    //returns an array containing only the element with the id 'myElement'
$$('#myElement a.myClass');    //within the DOM element with id 'myElement'
$$(myelement1, myelement2, 'a', '#myid, #myid2, #myid3');    //creates an array of all elements and selectors passed as arguments

$$('a[href^=mailto:]');    //returns all mailto links
$$('input[type=text]');    //returns all text fields
$$('#form input:checked');    //return all elements that are checked within #form
$$('p:contains("Justin")');    //returns all paragraphs with my name
$$('input:not([type="submit"])');    //all input fields except buttons
$$('a[rel=external]').set('target', '_blank');    //set external links
$$('#table td:even');    //get all even table rows for #table

$$('table > tr:even').addClass('even');
$$('table > tr:odd').addClass('odd');

$menus = &JSite::getMenu();
$menu  = $menus->getActive();
$itemid = $menu->id;


$varID=JRequest::getVar('id');
$arrID=explode(':',$varID);
$artID=$arrID[0];
$artAlias=$arrID[1];

component.php - wykorzystywany w wyświetlaniu pojedynczego komponentu (np. index.php?option=com_content&id=75&tmpl=component).
Pomijane są wówczas wszystkie moduły
np: Jak wydrukować...

This removes any Joomla default Scripts from the Header Buffer 
$header = $this->getHeadData();
$header['scripts'] = array();
$this->setHeadData($header);

Inaczej (jak dodać na stałe skrypty)
JHTML::_('behavior.mootools');
$document = &JFactory::getDocument();
$document->addScript(JPATH_SITE.'/media/system/js/jquery.js' );
$document->addScript(JPATH_SITE.'/media/system/js/thickbox.js' );
$document->addCustomTag( 'jQuery.noConflict();' );
$document->addStyleSheet( JPATH_SITE.'/media/system/css/thickbox.css' );
http://fragov.com/blog/2009/10/21/replace-standart-joomla-mootools-with-yours-on-front-end/

//Dodaj TIPSy

JHTML::_( 'behavior.mootools' ); $ajax = "/* 
var Tips3 = new Tips($$('.Tips3'), {
        showDelay: 400,
        hideDelay: 400,
        fixed: true
});
/* ]]> */
";
$doc = & JFactory::getDocument();
$doc->addScriptDeclaration( $ajax );

JURI::base()

JPath is used to get the directory path.
DS -- is used as a directory separator.JPATH_BASE -- sets the entry to joomla /Joomla
JPATH_CACHE --Sets the cache path /Joomla/cache
JPATH_COMPONENT_ADMINISTRATOR -- sets the backend component path /Joomla/administrator/components/com_example

JPATH_COMPONENT_SITE-- sets the frontend component path /Joomla/components/com_example

JPATH_CONFIGURATION --sets the configuration.php file path

JPATH_INSTALLATION --The path to the installation folder.

JPATH_LIBRARIES --The path to the libraries folder.

JPATH_PLUGINS --The path to the plugins folder.

JPATH_ROOT --The path to the installed Joomla! site.

JPATH_SITE --The path to the installed Joomla! site.

JPATH_THEMES --The path to the templates folder.

JPATH_XMLRPC --The path to the XML-RPC Web service folder.