<?php
/**
 * Content component: SEO_Metatag
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage content
 */

/**
 * Load base class
 */
WBClass::load('WBContent'
        ,'WBContent_SEO');

/**
 * Content component: SEO Metatag
 *
 *
 * Set Meta Tags title, description and keywords as bubbles.
 * Also implements an administation interface utilising TableEdtor
 *
 * @version 1.0.1
 * @package WB
 * @subpackage content
 */
class WBContent_SEO_Metatag extends WBContent_SEO
{
   /**
    * my parameter list
    * @var array
    */
    protected $config = array(
                            'mode'          =>  'display',
                            'requiredgroup' =>  parent::GROUP_ANON,
                            'action'        =>  'list',
                            'id'            =>  '__new',
                            'goto'          =>  '',
                            'translator'    =>  'no',

                            // default meta tags
                            'description'   =>  '',
                            'title'         =>  '',
                            'keywords'      =>  ''
                        );

    const TABLE =   'pagemetatag';

    /**
     * @var WBContent_TableEditor
     */
    private $te;

    /**
     * @var WBDatesource_Table
     */
    private $table;

    /**
     * run
     *
     * run component
     *
     * @see sendAndExit()
     * @return array parameter list
     */
    public function run()
    {
        switch ($this->config['mode']) {
            case 'admin':
                $this->runAdmin();
                break;

            default:
            case 'show':
                $this->runShow();
                break;
        }


        return $this->config;
    }

    private function runAdmin()
    {
        $this->te   =   WBClass::create('WBContent_TableEditor');
        $config     =   array(
                                'table'             =>  self::TABLE,
                                'requiredgroup'     =>  $this->config['requiredgroup'],
                                'action'            =>  $this->config['action'],
                                'addcurrentuser'    =>  'never',
                                'goto'              =>  $this->config['goto'],
                                'id'                =>  $this->config['id'],
                                'searchfields'      =>  array(),
                                'usefilter'         =>  0,
                                'translator'        =>  $this->config['translator']

                                );
        $this->te->configure($this->part, $config, $this->bubbles);
        $this->te->run();
    }

    private function runShow()
    {
        $this->table    =   WBClass::create('WBDatasource_Table');
        $path           =   $this->req->path;
        if (empty($path) || '/' == $path) {
            $path   =   '__index';
        }

        $clause     =   array();
        $clause[]   =   array(
                                'field' =>  'enabled',
                                'value' =>  1
                            );
        $clause[]   =   array(
                                'field' =>  'pagepath',
                                'value' =>  $path
                            );

        $tag    =   array('title', 'keywords', 'description');

        $list   =   $this->table->get(self::TABLE, null, null, $clause);

        if (1 != count($list)) {
            foreach ($tag as $t) {
                if (empty($this->config[$t])) {
                    continue;
                }
                $this->bubbles[$t]  =   $this->config[$t];
            }
            return;
        }

        $list   =   $list[0];
        foreach ($tag as $t) {
            if (empty($list[$t])) {
                continue;
            }
            $this->bubbles[$t]  =  $list[$t];
        }
    }

    public function getString()
    {
        switch ($this->config['mode']) {
            case 'admin':
                return $this->te->getString();
                break;

            default:
            case 'show':
                break;
        }

        return '';
    }
}