<?php
/**
 * Wxml Dialog Module
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage base
 */

WBClass::load('WBWxml_Dialog');

/**
 * Wxml Dialog Module
 *
 * Embed
 *
 * @version 0.1.0
 * @package WB
 * @subpackage base
 */
class WBWxml_Dialog_Embed extends WBWxml_Dialog
{
    /**
     * storage for URL
     * @var WBDictionary_URL
     */
    protected $dict;

    const CSS_CLASS_BASE    =   'wb-wxml-dialog wb-wxml-dialog-embed';

    /**
     * extend constructor
     *
     *
     * Load parent constructor and initialize URL dictionary
     */
    public function __construct()
    {
        parent::__construct();
        $this->dict =   WBClass::create('WBDictionary_URL');
    }
    
    /**
     * Start dialog using default values
     * 
     */
    public function start()
    {
        $values =   array(
                        'text'  =>  $this->select,
                        'urlid' =>  urldecode($this->getAttribute('urlid')),
                        'title' =>  $this->value,
                        'url'   =>  urldecode($this->getAttribute('href')),
                        'class' =>  $this->getAttribute('class')
                    );

        // strip internal classes
        if (0 == strncmp($this::CSS_CLASS_BASE, $values['class'], strlen($this::CSS_CLASS_BASE))) {
            $values['class']    =   trim(substr($values['class'], strlen($this::CSS_CLASS_BASE)));
        }

        // create URLid from URL/href
        if (empty($values['urlid']) && !empty($values['url'])) {
            $this->dict->addWord($values['url']);
            $values['urlid']    =   $this->dict->getId();
        }

        // load URL from dictionary
        if (!empty($values['urlid'])) {
            $this->dict->load($values['urlid']);
            $values['url']  =  $this->dict->getWord();
            $data           =   $this->dict->get();
            if ($data['protocol'] == 'self') {
                $values['url']  =   '[[PROTOCOL]]://[[SERVER]]'. $values['url'];
            }
        }        
        
        $this->submit($values);
    }

    /**
     * Form "Url" validated
     *
     * mangle "internal" URLs as such and generate HTML snippet to
     * past into editor
     *
     * @param patForms $forn
     * @param array $values
     * @return bool always true - display valid-template
     */
    protected function onEmbedValid($forn, $values)
    {
        // load URL from dictionary
        if (!empty($values['urlid'])) {
            $this->dict->load($values['urlid']);
            $values['url']  =  $this->dict->getWord();
        }

        if (empty($values['class'])) {
            $values['class']    =   '';
        }
        $this->tmpl->addGlobalVars($values);
        return true;
    }
}