<?php
/**
 * File containing the ezcWgTplTemplateExtension class.
 *
 * @package WidgetTemplateTiein
 * @version //autogen//
 * @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved.
 * @license http://ez.no/licenses/new_bsd New BSD License
 */

/**
 * Provides two new template blocks:
 *
 * render: allows you to render a widget variable. params: widget: ezcWgWidget
 * widget: allows you to create and render a widget. params: type: widgetname, p1: param1, p2: param2 etc.
 *
 */
class ezcWgTplTemplateExtension implements ezcTemplateCustomBlock
{
    private static $parentWidget = null;

    public static function setParentWidget( ezcWgWidget $parentWidget )
    {
        self::$parentWidget = $parentWidget;
    }

    public static function getCustomBlockDefinition( $name )
    {
        switch( $name )
        {
            case 'widget':
                $def = new ezcTemplateCustomBlockDefinition();
                $def->class = __CLASS__;
                $def->method = "loadWidget";
                $def->isNestingBlock = true;
                $def->requiredParameters = array( 'type' );
                $def->optionalParameters = array('p1', 'p2', 'p3', 'p4', 'p5');
                return $def;
                break;

            case 'render':
                $def = new ezcTemplateCustomBlockDefinition();
                $def->class = __CLASS__;
                $def->method = "renderWidget";
                $def->isNestingBlock = false;
                $def->requiredParameters = array( 'widget' );
                return $def;
                break;
        }
        return null;
    }

    public static function loadWidget( $parameters, $ignore )
    {
        $reflection = new ReflectionClass( $parameters['type'] );
        unset( $parameters['type'] );
        $params =array_merge( array( null ), array_values( $parameters ) );
        array_push( $params, null );
        $w = call_user_func_array(array($reflection, 'newInstance'), $params );
        return $w->render();
    }

    public static function renderWidget( $parameters )
    {
        return $parameters['widget']->render();
    }
}

?>