<?php
if(isset($_POST['sendit']))
{
  if(!empty($_POST['a587_rexsearch']['blacklist']))
    $_POST['a587_rexsearch']['blacklist'] = explode(',',$_POST['a587_rexsearch']['blacklist']);
  else
    unset($_POST['a587_rexsearch']['blacklist']);
  
  if(!empty($_POST['a587_rexsearch']['include']))
  {
    $returnArray = array();
    foreach($_POST['a587_rexsearch']['include'] as $include)
    {
      $includeArray = explode('`.`',$include);
      if(!array_key_exists($includeArray[0],$returnArray))
      {
        $returnArray[$includeArray[0]] = array();
      }
      
      $returnArray[$includeArray[0]][] = $includeArray[1];
    }
    
    $_POST['a587_rexsearch']['include'] = $returnArray;
  }
  else
    unset($_POST['a587_rexsearch']['include']);
  
  if(!empty($_POST['a587_rexsearch']['fileextensions']))
  {
    $returnArray = array();
    foreach(explode(',', $_POST['a587_rexsearch']['fileextensions']) as $fileext)
    {
      $returnArray[] = trim($fileext);
    }
    
    $_POST['a587_rexsearch']['fileextensions'] = $returnArray;
  }
  else
    unset($_POST['a587_rexsearch']['fileextensions']);
  
  $suggestnewindex = '';
  foreach(array_keys(array_merge(array_diff_assoc($_POST['a587_rexsearch'],$REX['ADDON']['settings']['rexsearch']), array_diff_assoc($REX['ADDON']['settings']['rexsearch'],$_POST['a587_rexsearch']))) as $changed)
  {
    if(in_array($changed, array(
      'indexmode',
      'indexoffline',
      'automaticindex',
      'blacklist',
      'exclude_article_ids',
      'exclude_category_ids',
      'include',
      'fileextensions',
      'indexmediapool',
      'dirdepth',
      'indexfolders',
      'ep_outputfilter'
    ))) $suggestnewindex = '&suggestnewindex=1';
  }
  echo '</pre>';
  
  a587_saveSettings($_POST['a587_rexsearch']);
  
  /*$rexsearch = new rexsearch();
  $rexsearch->deleteCache();*/
  
  header('Location: http://'.$_SERVER['HTTP_HOST'].substr($_SERVER["PHP_SELF"],0,-9).'index.php?page=rexsearch&subpage=settings&save=1'.$suggestnewindex);
}

if(!empty($_GET['save']))
  echo rex_info($I18N->Msg('a587_settings_saved'));

if(!empty($_GET['suggestnewindex']))
  echo rex_warning($I18N->Msg('a587_settings_saved_warning'));
?>

<div class="rex-addon-output" id="a587-form">
<h2 class="rex-hl2">Einstellungen</h2>

<div class="rex-form">
<form method="post" action="index.php?page=rexsearch&amp;subpage=settings" id="a587_settings_form">
<?php
echo a587_getSettingsFormSection(
  'a587_modi',
  $I18N->Msg('a587_settings_modi_header'),
  array(
    array(
      'type' => 'select',
      'id' => 'a587_rexsearch_logicalmode',
      'name' => 'a587_rexsearch[logicalmode]',
      'label' => $I18N->Msg('a587_settings_logicalmode'),
      'options' => array(
        array(
          'value' => 'and',
          'selected' => $REX['ADDON']['settings']['rexsearch']['logicalmode'] == 'and',
          'name' => $I18N->Msg('a587_settings_logicalmode_and')
        ),
        array(
          'value' => 'or',
          'selected' => $REX['ADDON']['settings']['rexsearch']['logicalmode'] == 'or',
          'name' => $I18N->Msg('a587_settings_logicalmode_or')
        )
      )
    ),
    array(
      'type' => 'select',
      'id' => 'a587_rexsearch_textmode',
      'name' => 'a587_rexsearch[textmode]',
      'label' => $I18N->Msg('a587_settings_textmode'),
      'options' => array(
        array(
          'value' => 'plain',
          'selected' => $REX['ADDON']['settings']['rexsearch']['textmode'] == 'plain',
          'name' => $I18N->Msg('a587_settings_textmode_plain')
        ),
        array(
          'value' => 'html',
          'selected' => $REX['ADDON']['settings']['rexsearch']['textmode'] == 'html',
          'name' => $I18N->Msg('a587_settings_textmode_html')
        ),
        array(
          'value' => 'both',
          'selected' => $REX['ADDON']['settings']['rexsearch']['textmode'] == 'both',
          'name' => $I18N->Msg('a587_settings_textmode_both')
        )
      )
    ),
    array(
      'type' => 'select',
      'id' => 'a587_rexsearch_similarwords_mode',
      'name' => 'a587_rexsearch[similarwordsmode]',
      'label' => $I18N->Msg('a587_settings_similarwords_label'),
      'options' => array(
        array(
          'value' => A587_SIMILARWORDS_NONE,
          'selected' => $REX['ADDON']['settings']['rexsearch']['similarwordsmode'] == A587_SIMILARWORDS_NONE,
          'name' => $I18N->Msg('a587_settings_similarwords_none')
        ),
        array(
          'value' => A587_SIMILARWORDS_SOUNDEX,
          'selected' => $REX['ADDON']['settings']['rexsearch']['similarwordsmode'] == A587_SIMILARWORDS_SOUNDEX,
          'name' => $I18N->Msg('a587_settings_similarwords_soundex')
        ),
        array(
          'value' => A587_SIMILARWORDS_METAPHONE,
          'selected' => $REX['ADDON']['settings']['rexsearch']['similarwordsmode'] == A587_SIMILARWORDS_METAPHONE,
          'name' => $I18N->Msg('a587_settings_similarwords_metaphone')
        ),
        array(
          'value' => A587_SIMILARWORDS_COLOGNEPHONE,
          'selected' => $REX['ADDON']['settings']['rexsearch']['similarwordsmode'] == A587_SIMILARWORDS_COLOGNEPHONE,
          'name' => $I18N->Msg('a587_settings_similarwords_cologne')
        ),
        array(
          'value' => A587_SIMILARWORDS_ALL,
          'selected' => $REX['ADDON']['settings']['rexsearch']['similarwordsmode'] == A587_SIMILARWORDS_ALL,
          'name' => $I18N->Msg('a587_settings_similarwords_all')
        )
      )
    ),
    array(
      'type' => 'checkbox',
      'id' => 'a587_rexsearch_similarwords_permanent',
      'name' => 'a587_rexsearch[similarwords_permanent]',
      'label' => $I18N->Msg('a587_settings_similarwords_permanent'),
      'value' => '1',
      'checked' => !empty($REX['ADDON']['settings']['rexsearch']['similarwords_permanent'])
    ),
    array(
      'type' => 'select',
      'id' => 'a587_rexsearch_searchmode',
      'name' => 'a587_rexsearch[searchmode]',
      'label' => $I18N->Msg('a587_settings_searchmode'),
      'options' => array(
        array(
          'value' => 'like',
          'selected' => $REX['ADDON']['settings']['rexsearch']['searchmode'] == 'like',
          'name' => $I18N->Msg('a587_settings_searchmode_like')
        ),
        array(
          'value' => 'match',
          'selected' => $REX['ADDON']['settings']['rexsearch']['searchmode'] == 'match',
          'name' => $I18N->Msg('a587_settings_searchmode_match')
        )
      )
    )
  )
);


echo a587_getSettingsFormSection(
  'a587_index',
  $I18N->Msg('a587_settings_title_indexmode'),
  array(
    array(
      'type' => 'select',
      'id' => 'a587_settings_indexmode',
      'name' => 'a587_rexsearch[indexmode]',
      'label' => $I18N->Msg('a587_settings_indexmode_label'),
      'options' => array(
        array(
          'value' => '0',
          'name' => $I18N->Msg('a587_settings_indexmode_viahttp'),
          'selected' => $REX['ADDON']['settings']['rexsearch']['indexmode'] == '0',
        ),
        array(
          'value' => '1',
          'name' => $I18N->Msg('a587_settings_indexmode_viacache'),
          'selected' => $REX['ADDON']['settings']['rexsearch']['indexmode'] == '1',
        ),
        array(
          'value' => '2',
          'name' => $I18N->Msg('a587_settings_indexmode_viacachetpl'),
          'selected' => $REX['ADDON']['settings']['rexsearch']['indexmode'] == '2',
        )
      )
    ),
    array(
      'type' => 'checkbox',
      'id' => 'a587_rexsearch_indexoffline',
      'name' => 'a587_rexsearch[indexoffline]',
      'label' => $I18N->Msg('a587_settings_indexoffline'),
      'value' => '1',
      'checked' => !empty($REX['ADDON']['settings']['rexsearch']['indexoffline'])
    ),
    array(
      'type' => 'checkbox',
      'id' => 'a587_rexsearch_automaticindex',
      'name' => 'a587_rexsearch[automaticindex]',
      'label' => $I18N->Msg('a587_settings_automaticindex_label'),
      'value' => '1',
      'checked' => !empty($REX['ADDON']['settings']['rexsearch']['automaticindex'])
    ),
    array(
      'type' => 'checkbox',
      'id' => 'a587_rexsearch_ep_outputfilter',
      'name' => 'a587_rexsearch[ep_outputfilter]',
      'label' => $I18N->Msg('a587_settings_ep_outputfilter_label'),
      'value' => '1',
      'checked' => !empty($REX['ADDON']['settings']['rexsearch']['ep_outputfilter'])
    )
  )
);


$sample = <<<EOT
Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.
Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.
EOT;
$sampleoutput = '<div id="a587_sample_wrapper" style="padding:5px;clear:left;">
        <h5 class="rex-form-text">'.$I18N->Msg('a587_settings_highlight_sample').':</h5>
        <div id="a587_sample" style="margin-top:5px;padding:5px;border:1px solid #000;background:#fff;color:#000;">';
$rexsearch = new rexsearch();
$rexsearch->searchString = '"velit esse" accusam';
$rexsearch->parseSearchString('"velit esse" accusam');
if($rexsearch->highlightType == 'array')
{
  $sampleoutput .= '<pre style="font-size:1.2em;">';
  $sampleoutput .= print_r($rexsearch->getHighlightedText($sample), true);
  $sampleoutput .= '</pre>';
}
else
  $sampleoutput .= $rexsearch->getHighlightedText($sample);

$sampleoutput .= '</div></div>';

echo a587_getSettingsFormSection(
  'a587_highlight',
  $I18N->Msg('a587_settings_highlight_header'),
  array(
    array(
      'type' => 'string',
      'id' => 'a587_rexsearch_surroundtags_start',
      'name' => 'a587_rexsearch[surroundtags][0]',
      'label' => $I18N->Msg('a587_settings_surroundtags_start'),
      'value' => isset($REX['ADDON']['settings']['rexsearch']['surroundtags'][0]) ? htmlspecialchars($REX['ADDON']['settings']['rexsearch']['surroundtags'][0]) : ''
    ),
    array(
      'type' => 'string',
      'id' => 'a587_rexsearch_surroundtags_end',
      'name' => 'a587_rexsearch[surroundtags][1]',
      'label' => $I18N->Msg('a587_settings_surroundtags_end'),
      'value' => isset($REX['ADDON']['settings']['rexsearch']['surroundtags'][1]) ? htmlspecialchars($REX['ADDON']['settings']['rexsearch']['surroundtags'][1]) : ''
    ),
    array(
      'type' => 'hidden',
      'name' => 'a587_rexsearch[limit][0]',
      'value' => '0'
    ),
    array(
      'type' => 'string',
      'id' => 'a587_rexsearch_limit',
      'name' => 'a587_rexsearch[limit][1]',
      'label' => $I18N->Msg('a587_settings_limit'),
      'value' => isset($REX['ADDON']['settings']['rexsearch']['limit'][1]) ? intval($REX['ADDON']['settings']['rexsearch']['limit'][1]) : ''
    ),
    array(
      'type' => 'string',
      'id' => 'a587_rexsearch_maxteaserchars',
      'name' => 'a587_rexsearch[maxteaserchars]',
      'label' => $I18N->Msg('a587_settings_maxteaserchars'),
      'value' => isset($REX['ADDON']['settings']['rexsearch']['maxteaserchars']) ? intval($REX['ADDON']['settings']['rexsearch']['maxteaserchars']) : ''
    ),
    array(
      'type' => 'string',
      'id' => 'a587_rexsearch_maxhighlightchars',
      'name' => 'a587_rexsearch[maxhighlightchars]',
      'label' => $I18N->Msg('a587_settings_maxhighlightchars'),
      'value' => isset($REX['ADDON']['settings']['rexsearch']['maxhighlightchars']) ? intval($REX['ADDON']['settings']['rexsearch']['maxhighlightchars']) : ''
    ),
    array(
      'type' => 'select',
      'id' => 'a587_rexsearch_highlight',
      'name' => 'a587_rexsearch[highlight]',
      'label' => $I18N->Msg('a587_settings_highlight_label'),
      'options' => array(
        array(
          'value' => 'sentence',
          'selected' => $REX['ADDON']['settings']['rexsearch']['highlight'] == 'sentence',
          'name' => $I18N->Msg('a587_settings_highlight_sentence')
        ),
        array(
          'value' => 'paragraph',
          'selected' => $REX['ADDON']['settings']['rexsearch']['highlight'] == 'paragraph',
          'name' => $I18N->Msg('a587_settings_highlight_paragraph')
        ),
        array(
          'value' => 'surroundtext',
          'selected' => $REX['ADDON']['settings']['rexsearch']['highlight'] == 'surroundtext',
          'name' => $I18N->Msg('a587_settings_highlight_surroundtext')
        ),
        array(
          'value' => 'surroundtextsingle',
          'selected' => $REX['ADDON']['settings']['rexsearch']['highlight'] == 'surroundtextsingle',
          'name' => $I18N->Msg('a587_settings_highlight_surroundtextsingle')
        ),
        array(
          'value' => 'teaser',
          'selected' => $REX['ADDON']['settings']['rexsearch']['highlight'] == 'teaser',
          'name' => $I18N->Msg('a587_settings_highlight_teaser')
        ),
        array(
          'value' => 'array',
          'selected' => $REX['ADDON']['settings']['rexsearch']['highlight'] == 'array',
          'name' => $I18N->Msg('a587_settings_highlight_array')
        ),
      )
    ),
    array(
      'type' => 'directoutput',
      'output' => '<div class="rex-form-row">'.$sampleoutput.'</div>'
    )
  )
);



$categories = array();
foreach(a587_getCategories() as $id => $name)
{
  $categories[] = array(
    'value' => $id,
    'selected' => !empty($REX['ADDON']['settings']['rexsearch']['exclude_category_ids']) AND is_array($REX['ADDON']['settings']['rexsearch']['exclude_category_ids']) AND in_array($id,$REX['ADDON']['settings']['rexsearch']['exclude_category_ids']),
    'name' => $name.' ('.$id.')'
  );
}
$articles = array();
foreach(a587_getArticles() as $id => $name)
{
  $articles[] = array(
    'value' => $id,
    'selected' => !empty($REX['ADDON']['settings']['rexsearch']['exclude_article_ids']) AND is_array($REX['ADDON']['settings']['rexsearch']['exclude_article_ids']) AND in_array($id,$REX['ADDON']['settings']['rexsearch']['exclude_article_ids']),
    'name' => $name.' ('.$id.')'
  );
}
echo a587_getSettingsFormSection(
  'a587_exclude',
  $I18N->Msg('a587_settings_exclude'),
  array(
    array(
      'type' => 'string',
      'id' => 'a587_settings_exclude_blacklist',
      'name' => 'a587_rexsearch[blacklist]',
      'label' => $I18N->Msg('a587_settings_exclude_blacklist'),
      'value' => isset($REX['ADDON']['settings']['rexsearch']['blacklist']) ? htmlspecialchars(implode(',',$REX['ADDON']['settings']['rexsearch']['blacklist'])) : ''
    ),
    array(
      'type' => 'multipleselect',
      'id' => 'a587_rexsearch_exclude_article_ids',
      'name' => 'a587_rexsearch[exclude_article_ids][]',
      'label' => $I18N->Msg('a587_settings_exclude_articles'),
      'size' => 15,
      'options' => $articles
    ),
    array(
      'type' => 'multipleselect',
      'id' => 'a587_rexsearch_exclude_category_ids',
      'name' => 'a587_rexsearch[exclude_category_ids][]',
      'label' => $I18N->Msg('a587_settings_exclude_categories'),
      'size' => 15,
      'options' => $categories
    )
  )
);



$options = array();
$sql_tables = new rex_sql();
foreach($sql_tables->showTables() as $table)
{
  if(false === strpos($table,'587_search') AND false === strpos($table,'587_keywords'))
  {
    $sql_columns = new rex_sql();
    foreach($sql_tables->showColumns($table) as $column)
    {
      /*switch(strtolower(substr($column['type'],0,4)))
      {
        case 'text':
        case 'char':
        case 'varc':*/
          $options[] = array(
            'value' => htmlspecialchars($table.'`.`'.$column['name']),
            'checked' => in_array($column['name'],(!empty($REX['ADDON']['settings']['rexsearch']['include'][$table]) AND is_array($REX['ADDON']['settings']['rexsearch']['include'][$table]))?$REX['ADDON']['settings']['rexsearch']['include'][$table]:array()),
            'name' => $table.'  .  '.$column['name'],
            'id' => $table.'  .  '.$column['name']
          );
      //}
    }
  }
}
echo a587_getSettingsFormSection(
  'a587_include',
  $I18N->Msg('a587_settings_include'),
  array(
    array(
      'type' => 'multiplecheckboxes',
      'id' => 'a587_rexsearch_include',
      'name' => 'a587_rexsearch[include][]',
      //'label' => '&lt;table&gt;.&lt;column&gt;',
      'label' => '',
      'size' => 20,
      'options' => $options
    )
  )
);



$options = array(
  array(
    'value' => '',
    'name' => '',
    'selected' => false,
    'id' => 'a587_optiondummy'
  )
);
if(!empty($REX['ADDON']['settings']['rexsearch']['indexfolders']))
{
  foreach($REX['ADDON']['settings']['rexsearch']['indexfolders'] as $relative)
  {
    $options[] = array(
      'value' => $relative,
      'name' => $relative,
      'selected' => true
    );
  }
}
foreach(range(1,30) as $depth)
{
  $dirdepth_options[] = array(
    'value' => $depth,
    'name' => $depth,
    'selected' => $REX['ADDON']['settings']['rexsearch']['dirdepth'] == $depth
  );
}
echo a587_getSettingsFormSection(
  'a587_files',
  $I18N->Msg('a587_settings_fileext_header'),
  array(
    array(
      'type' => 'string',
      'id' => 'a587_settings_fileext_label',
      'name' => 'a587_rexsearch[fileextensions]',
      'label' => $I18N->Msg('a587_settings_fileext_label'),
      'value' => isset($REX['ADDON']['settings']['rexsearch']['fileextensions']) ? htmlspecialchars(implode(',',$REX['ADDON']['settings']['rexsearch']['fileextensions'])) : ''
    ),
    array(
      'type' => 'checkbox',
      'id' => 'a587_settings_file_mediapool',
      'name' => 'a587_rexsearch[indexmediapool]',
      'label' => $I18N->Msg('a587_settings_file_mediapool'),
      'value' => '1',
      'checked' => !empty($REX['ADDON']['settings']['rexsearch']['indexmediapool'])
    ),
    array(
      'type' => 'select',
      'id' => 'a587_settings_file_dirdepth',
      'name' => 'a587_rexsearch[dirdepth]',
      'label' => $I18N->Msg('a587_settings_file_dirdepth_label'),
      'options' => $dirdepth_options
    ),
    array(
      'type' => 'multipleselect',
      'id' => 'a587_settings_folders',
      'name' => 'a587_rexsearch[indexfolders][]',
      'label' => $I18N->Msg('a587_settings_folders_label'),
      'size' => 10,
      'options' => $options
    )
  )
);


?>
  <div class="rex-form-row">
    <p class="rex-form-col-a rex-form-submit">
      <input type="submit" value="<?php echo $I18N->Msg('a587_settings_submitbutton'); ?>" name="sendit" class="rex-form-submit"/>
    </p>
  </div>

</form>
</div>

</div>

<script type="text/javascript">
// <![CDATA[
// width of the formular
(function($)
{
  $(document).ready(function()
  {
    var mainWidth = $('#a587-form').width();
    
    // set loading image for filesearch-config
    $('#a587_files legend').append(
      $('<span>')
      .attr('class','loading')
    );

    // accordion
    $.each($('#a587-form fieldset'), function(i, elem)
    {
      var legend = $('legend', elem);
      var wrapper = $('.rex-form-wrapper', elem);
      var speed = wrapper.attr('offsetHeight');
      
      wrapper.hide();
      
      $(elem)
        .css('border-bottom','1px solid #fff');
      
      legend
      .css('cursor','pointer')
      .css('width', (mainWidth - parseInt(legend.css('padding-right').replace(/[^0-9]+/,'')) - parseInt(legend.css('padding-left').replace(/[^0-9]+/,''))) + 'px')
      .css('border-bottom','1px solid #cbcbcb')
      .mouseover(function()
      {
        if(wrapper.css('display') == 'none')
          $('legend', elem).css('color','#aaa');
      })
      .mouseout(function()
      {
        legend.css('color','#32353A');
      })
      .click(function()
      {
        wrapper.slideToggle(speed);
      });
    });


    // display links for showing and hiding all sections
    $('#a587-form h2')
    .css('position','relative')
    .append(
      $('<div>')
      .css('position','absolute')
      .css('top','0')
      .css('right','0')
      .css('padding','5px 1em')
      .css('font-size','0.75em')
      .css('font-weight','900')
      .append(
      $('<a><?php echo $I18N->Msg('a587_settings_show_all'); ?><'+'/a>')
        .css('cursor','pointer')
        .css('padding','0 1em')
        .click(function()
        {
          $.each($('#a587-form fieldset'), function(i, elem)
          {
            $('.rex-form-wrapper', elem).show();
          })
        })
      )
      .append(
      $('<a><?php echo $I18N->Msg('a587_settings_show_none'); ?><'+'/a>')
        .css('cursor','pointer')
        .click(function()
        {
          $.each($('#a587-form fieldset'), function(i, elem)
          {
            $('.rex-form-wrapper', elem).hide();
          })
        })
      )
    );


    // ajax request for sample-text
    $('#a587_rexsearch_highlight')
    .change(function()
    {
      $.get('index.php?page=rexsearch&ajax=sample&type='+$('#a587_rexsearch_highlight').attr('value'),{},function(data)
      {
        $('#a587_sample').html(data);
      });
    });


    // categorize datebase tables
    var current_table = '';
    $('#a587_include .checkbox').each(function(i, elem)
    {
      var table = $('input', elem).attr('value').split(/`.`/)[0];
      
      $('label', elem).text($('input', elem).attr('value').split(/`.`/)[1]);
      
      if(current_table != table)
      {
        $(elem).before(
          $('<div>').addClass('checkbox-heading rex-form-row').text(table).click(function()
          {
            var $next = $(this).next();
            var $elements = $next;
            while($next.hasClass('checkbox'))
            {
              //$next.show();
              $elements = $elements.add($next);
              $next = $next.next();
            }
            
            $elements.toggle();
          })
        );
        
        current_table = table;
      }
    });
    
    var active_tables = $();
    $('#a587_include .checkbox input:checked').each(function(i, elem)
    {
      var $prev = $(this).closest('.checkbox').prev();
      while($prev.hasClass('checkbox'))
        $prev = $prev.prev();
      
      active_tables = active_tables.add($prev);
    });
    
    active_tables.click();


    // directory-selection
    function getElementByValue(elements, value) {
      var returnElem = false;
      $.each(elements, function(i, elem)
      {
        if(elem.value == value)
        {
          returnElem = elem;
          return false;
        }
      });
      
      return returnElem;
    }

    function setDirs()
    {
      var depth = 0,dirs = new Array(),found,indexdirs;
      while(document.getElementById('subdirs_'+depth))
      {
        $.each($('#subdirs_'+depth+' option'), function(i, elem)
        {
          if(elem.selected)
            dirs.push(elem.value);
        });
        
        depth++;
      }
      
      indexdirs = new Array();
      for(var k=0; k < dirs.length; k++)
      {
        found = false;
        for(var i=0; i < dirs.length; i++)
        {
          //if(dirs[k].substring(0,dirs[k].lastIndexOf('/')) == dirs[i])
          if((dirs[i].indexOf(dirs[k]) >= 0) && (i != k))
          {
            found = true;
            //dirs.splice(i,1);
            //break;
          }
        }
        
        if(!found)
          indexdirs.push(dirs[k]);
      }
      
      $('#a587_settings_folders').empty();
      
      $.each(indexdirs, function(i, elem)
      {
        $('#a587_settings_folders')
        .append(
          $('<option>')
          .attr('value', elem)
          .text(elem)
        );
      });
    }

    function traverseSubdirs(depth, options)
    {
      var found,empty,activeOptions = new Array(),elem;
      
      for(var i = 0; i < options.length; i++)
      {
        if((elem = getElementByValue($('#subdirs_'+(depth-1)+' option'), options[i])) && elem.selected)
          activeOptions.push(options[i]);
      }
      
      while(document.getElementById('subdirs_'+depth))
      {
        empty = true;
        $.each($('#subdirs_'+depth+' option'), function(i, elem)
        {
          found = false;
          for(var k = 0; k < activeOptions.length; k++)
          {
            found = found || (elem.value.indexOf(activeOptions[k]) >= 0);
          }
          
          if(!found)
            $(elem).remove();
          else
            empty = false;
        });
        
        if(empty)
        {
          $('#subdirs_'+depth).remove();
          $('#subdirselectlabel_'+depth).remove();
        }
        
        depth++;
      }
    }

    function a587_serialize(a)
    {
      var anew = new Array();
      for(var i = 0; i < a.length; i++)
        anew.push('"' + (a[i].replace(/"/g, '\\"')) + '"');
      return '[' + anew.join(',') + ']';
    }

    function createSubdirSection(depth,autoselect)
    {
      var parent,options,startdirstring = '',startdirs = new Array();
      if(depth == 0)
      {
        parent = '#a587_settings_folders';
      }
      else
      {
        parent = '#subdirs_'+(depth-1);
        $.each($('#subdirs_'+(depth-1)+' option'), function(i, elem)
        {
          if(elem.selected)
          {
            startdirs.push(elem.value);
          }
        });
      }
      
      if(depth > 0 && !startdirs.length)
      {
        var currentDepth = depth;
        while(document.getElementById('subdirs_'+currentDepth))
        {
          $('#subdirs_'+(currentDepth)).remove();
          $('#subdirselectlabel_'+(currentDepth++)).remove();
        }
        
        $('#a587_files .loading').remove();
        
        while(document.getElementById('subdirs_'+(--depth)))
          $('#subdirs_'+(depth--)).removeAttr('disabled');
        
        return false;
      }
      else
      {
        $.post('index.php?page=rexsearch&ajax=getdirs', {'startdirs':a587_serialize(startdirs)}, function(options)
        {
          if(!document.getElementById('subdirs_'+depth) && options.length > 0)
          {
            $(parent)
            .after(
              $('<select>')
              .attr('id','subdirs_'+depth)
              .attr('class','rex-form-text subdirselect')
              .attr('multiple','multiple')
              .attr('size','10')
              .change(function()
              {
                createSubdirSection(depth+1);
                traverseSubdirs(depth+1, options);
                setDirs();
              })
            )
            .after(
              $('<label>')
              .text(('<?php echo $I18N->Msg('a587_settings_folders_dirselect_label'); ?>').replace(/%DEPTH%/, depth))
              .attr('for','subdirs_'+depth)
              .attr('class','subdirselectlabel')
              .attr('id','subdirselectlabel_'+depth)
            );
            
            if(autoselect)
              $('#subdirs_'+depth).attr('disabled','disabled');
          }
          
          for(var i = 0; i < options.length; i++)
          {
            if(!getElementByValue($('#subdirs_'+depth+' option'), options[i]))
            {
              if(autoselect)
              {
                var found = false;
                $('#a587_settings_folders option').each(function(j, elem)
                {
                  found = found || (elem.value.indexOf(options[i]) >= 0);
                  
                  if(found)
                    return false;
                });
                
                if(found)
                {
                  $('#subdirs_'+depth)
                  .append(
                    $('<option>')
                    .attr('value', options[i])
                    .attr('selected', 'selected')
                    .text(options[i])
                  );
                }
                else
                {
                  $('#subdirs_'+depth)
                  .append(
                    $('<option>')
                    .attr('value', options[i])
                    .text(options[i])
                  );
                }
              }
              else
              {
                $('#subdirs_'+depth)
                .append(
                  $('<option>')
                  .attr('value', options[i])
                  .text(options[i])
                );
              }
            }
          }
          
          if(autoselect)
          {
            var maxDepth = 0,splitted,current,count;
            $('#a587_settings_folders option').each(function(i, elem)
            {
              if((elem.id != 'a587_optiondummy') && ((count = elem.value.split('/').length-2) > maxDepth))
                maxDepth = count;
            });
            
            if(maxDepth >= depth)
            {
              createSubdirSection(depth+1,true);
            }
            else
            {
              $('#a587_files .loading').remove();
              
              depth = 0;
              while(document.getElementById('subdirs_'+depth))
                $('#subdirs_'+(depth++)).removeAttr('disabled');
              
              depth--;
              
              // adapt width of legend
              var legend = $('#a587_files legend');
              legend.css('padding-right', (mainWidth - legend.attr('offsetWidth') + parseInt(legend.css('padding-right').replace(/[^0-9]+/,''))) + 'px');
            }
          }
        }, 'json');
      
      return true;
      }
    }

    var options;
    // beautifying the indexed folders selectbox and selecting the options in the subdir-selectboxes
    $('#a587_settings_folders').attr('disabled','disabled');
    $.each(options = $('#a587_settings_folders option'), function(i, elem)
    {
      var splitted,current,depth=0;
      
      elem.selected = false;
      
      if(options.length - 1 == i)
        createSubdirSection(depth,true);
    });

    $('#a587_settings_form').submit(function()
    {
      $('#a587_settings_folders').removeAttr('disabled');
      $.each($('#a587_settings_folders option'), function(i, elem)
      {
        if(elem.value != '')
          elem.selected = true;
      });
      
      return true;
    });
  });
}(jQuery));

// ]]>
</script>