<?php
/**
 * dialog interface
 *
 * @author gERD Schaufelberger <gerd@exit0.net>
 * @copyright 2004 by http://wombat.exit0.net
 * @package wombatSite
 * @subpackage cmHtml
 */

/**
 * Dialog interface
 *
 * @todo check user before display!
 *
 * @version 1.0.0
 * @package wombatSite
 * @subpackage cmHtml
 */
class wbDialog_Link extends wbDialog
{

   /**
    * init language depending data
    *
    * @access private
    */
    function _init()
    {
        $this->_options	=	array(
            'width'  =>  800,
            'height' =>  750,
            'class'  =>  'Link',
            'title'  =>  _( 'Hyper Linker' ),
            'brief'  =>  _( 'Create links to navigate within your own site.' ),
            'name'   =>  'link',
            'vars'   =>  'protocol,url,title',
            'type'   =>  'inline',
        );
        return true;
    }

   /**
    * process dialog
    *
    * @access public
    * @param string $html html to be displayed, or null to get it from template
    * @return boolean $result true
    */
    function process() {
        $this->_loadTemplates( $this->_options['class'] );

        // basic scripts
        $debug      =   'false';
        if( wbDebugger::isActive() ) {
            $debug  =   'true';
        }

        $this->_tmpl->addVar( 'onload', 'debug', $debug );
        $load   =   $this->_tmpl->getParsedTemplate( 'onload' );
        wbJSTools::includeJavascript( $load, 'onload' );

        wbJSTools::includeJavascript( 'wbMisc.js' );
        wbJSTools::includeJavascript( 'wbMenu.js' );
        wbJSTools::includeJavascript( 'wbMenuMaker.js' );

        // menu
        wbFactory::includeClass( 'wbMenuTools' );
        $menu   =   wbMenuTools::getFlatMenu();
        $this->_tmpl->addRows( 'menuitem_entry', $menu );

        // search for wikipedia article
        $title  =   null;
        if( $_REQUEST['wikipedia_search_submit'] ) {
            $this->_selection   =   $_REQUEST['wikipedia_search'];
            $title  =   $_REQUEST['wikipedia_title'];
        }


        // process selection
        $this->_selection   =   strip_tags( $this->_selection );
        if( empty( $this->_selection ) ) {
            $this->_tmpl->addGlobalVar( 'ext_title', _( 'link title' ) );
            return $this->_tmpl->getParsedTemplate( 'dialog' );
        }

        // only single line selection is valid
        $this->_selection   =   explode( "\n", trim( $this->_selection ) );
        $this->_selection   =   $this->_selection[0];

        if( empty( $title ) ) {
            $title  =   $this->_selection;
        }
        $this->_tmpl->addGlobalVar( 'ext_title', $title );
        $this->_tmpl->addGlobalVar( 'wikipedia_title', $title );
        $this->_tmpl->addGlobalVar( 'wikipedia_search', $this->_selection );

        // seek wikipedia article
        $ds     =   wbFactory::create( 'wbDatasource' );
        $lang   =   'de';

        $search     =   str_replace( ' ', '_', $this->_selection );
        $clause     =   array();

        // sub clause
        $c      =   array();
        $c[]    =   array(
                        'field'     => 'title',
                        'relation'  => 'begin',
                        'value'     => $search
                    );
        $c[]    =   array(
                        'field'     => 'title_reverse',
                        'relation'  => 'begin',
                        'value'     => strrev( $search )
                    );
                    
        // add sub clause to make use of keys
        $clause[]   =   array(
                        'type'      =>  'complex',
                        'bond'      =>  'OR',
                        'clause'    =>  $c
                    );
        $list   =   $ds->getEntries( 'wikipedia_' . $lang, null, $clause, 0 );
        if( empty( $list ) ) {
            return $this->_tmpl->getParsedTemplate( 'dialog' );
        }

        $this->_tmpl->addGlobalVar( 'wikipedia_count', count( $list ) );
        $exactMatch =   false;
        foreach( $list as &$l ) {
            if( $l['title'] == $search ) {
                $exactMatch     =   true;
                $l['checked']   =   'checked="checked"';
            }

            $urlParams  =   array(
                            'title' =>  $l['title'],
                            'oldid' =>  $l['latest']
                        );
            $l['link']  =   $lang . '.wikipedia.org/w/index.php?' . http_build_query( $urlParams );
            $l['title'] =   str_replace( '_', ' ', $l['title'] );
        }
        if( !$exactMarch ) {
            $list[0]['checked'] =   'checked="checked"';
        }

        $this->_tmpl->addRows( 'wikipedia_entry', $list );
        return $this->_tmpl->getParsedTemplate( 'dialog' );
    }
}
?>