Serendipity Forums

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main category
main category
   sub category
   sub category
      subsub catagory
main category
   sub category
   sub category

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main category           1.
main category           2.
   sub category         2.1.
   sub category         2.2.
      subsub catagory   2.2.1.
main category           3.
   sub category         3.1.
   sub category         3.2.

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main category           1. 
main category           2. 
main category           3.

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main category           1. 
main category           2.  (aktiv)
   sub category         2.1. 
   sub category         2.2. 
main category           3.

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main category           1. 
main category           2. 
main category           3. (aktiv)
   sub category         3.1.
   sub category         3.2.

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{$categories|@serendipity_template_parseCategories:$category_info}

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<li class="category_depth{$plugin_category.catdepth}
category_{$plugin_category.categoryid} {$plugin_category.css}">

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<?php
if (IN_serendipity !== true) {
  die ("Don't hack!");
}

function serendipity_template_parseCategories(&$categories, $selected) {
    global $serendipity;

    $current_cats = array(0 => 0);
    if (is_array($selected) && isset($selected['categoryid'])) {
        $current_cats[] = $selected['categoryid'];
        $last_parent = $selected['parentid'];
        $rootcat = $last_parent;
        while ($last_parent != 0) {
            $par = serendipity_db_query("SELECT * FROM {$serendipity['dbPrefix']}category WHERE categoryid = " . (int)$last_parent, true, 'assoc', false, 'parentid');
            $current_cats[] = $last_parent;
            if ($par['parentid'] != 0) {
                $rootcat = $last_parent;
            }
            $last_parent = $par['parentid'];
        }
    } else {
        $selected['categoryid'] = 0;
    }

    foreach($categories AS $catidx => $category) {
        if ($category['parentid'] == 0 || // Always show first-level.
            in_array($category['categoryid'], $current_cats) || // Always show parts of the selected tree
            in_array($category['parentid'], $current_cats) || // Always show siblings of the selected tree
            $category['parentid'] == $selected['categoryid'] || // Always show parents of the selected tree
            $category['parentid'] == $selected['parentid'] // Always show sibllings of the selected tree
        ) {
            $categories[$catidx]['css'] = 'cat_active';
        } else {
            $categories[$catidx]['css'] = 'cat_inactive';
        }

        if ($category['categoryid'] == $selected['categoryid']) {
            $categories[$catidx]['css'] .= ' cat_selected';
        }
    }

    return false;
}
    
$serendipity['smarty']->register_modifier('serendipity_template_parseCategories', 'serendipity_template_parseCategories');

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#serendipity_categories_list li {
    display: block !important;
    margin: 2px !important;
}

#serendipity_categories_list li.category_depth0 {
	font-weight: bold;
	padding-top: 5px;   
}

#serendipity_categories_list li.cat_active {
  }

#serendipity_categories_list li.cat_selected {
    background-color:#E0E0E0;
}