<?php

require_once 'classes/LightPressPlugin.php';

class CategoriesList extends LightPressPlugin {
    
    var $constructor_args = array('nested'=>'Use a nested list instead of using sidebar headers formatting for top-level categories');
    var $default_context = LP_CONTEXT_ALL;
    var $description = 'Display a list of active categories';
    
    
    var $active = true;
    var $hooks = array('sidebar');
    
    var $nested = false;
    
    function CategoriesList(&$frontend, $args, $dummy_run=false) {
        $this->LightPressPlugin($frontend, $args, $dummy_run);
    }
    
    function run($hook, &$hook_data) {

        $tpl =& $this->_frontend->tpl;
        $config_messages =& $this->_frontend->messages;
        
        $tpl->setVar('plugin_categorieslist_header', $config_messages['categories_header']);
        
        $tpl->setFile('plugin_categorieslist', 'plugins/categories_list' . ($this->nested ? '_nested' : '') . '.xml');
        $tpl->setBlock('plugin_categorieslist', 'plugin_categorieslist_catgroup', 'PLUGIN_CATEGORIESLIST_CATGROUP');
        $tpl->setBlock('plugin_categorieslist_catgroup', 'plugin_categorieslist_category', 'PLUGIN_CATEGORIESLIST_CATEGORY');

        $catgroup = null;
        $categories =& $this->_frontend->getCategories();
        
        if (count($categories) == 0)
            return $this->hide();
        
        foreach ($categories as $cat_id => $cat) {
            
            $append = true;
            if (!$this->nested && is_null($cat['catgroup']))
                $cat['catgroup'] = $config_messages['categories_header'];
            
            if (!empty($cat['num_child']))
                continue;
            
            if ($cat['catgroup'] != $catgroup) {
                if (!is_null($catgroup)) {
                    $tpl->setVar($catgroup_tpl);
                    $tpl->parse('PLUGIN_CATEGORIESLIST_CATGROUP', 'plugin_categorieslist_catgroup', true);
                }
                $catgroup_tpl = array(
                    'plugin_categorieslist_catgroup_name'       =>$cat['catgroup'],
                    'plugin_categorieslist_catgroup_nicename'   =>$cat['catgroup_nicename'],
                    'plugin_categorieslist_catgroup_permalink'  =>$cat['catgroup_permalink']);
                $catgroup_id = $cat['catgroup_id'];
                
                if ($this->nested && isset($categories[$catgroup_id]))
                    $catgroup_tpl['plugin_categorieslist_catgroup_numposts'] = $categories[$catgroup_id]['numposts'];
                else
                    $catgroup_tpl['plugin_categorieslist_catgroup_numposts'] = '';
                
                $catgroup = $cat['catgroup'];
                $append = false;
            }

            $tpl->setVar(array(
                'plugin_categorieslist_category_permalink'=>$cat['category_permalink'],
                'plugin_categorieslist_category_nicename'=>$cat['category_nicename'],
                'plugin_categorieslist_category_name'=>$cat['cat_name'],
                'plugin_categorieslist_category_description'=>$cat['category_description'],
                'plugin_categorieslist_category_numposts'=>$cat['numposts'],
                ));
            $tpl->parse(
                (is_null($catgroup) ? 'PLUGIN_CATEGORIESLIST_CATGROUP' : 'PLUGIN_CATEGORIESLIST_CATEGORY'),
                'plugin_categorieslist_category', $append);
        }
        if (!is_null($catgroup)) {
            $tpl->setVar($catgroup_tpl);
            $tpl->parse('PLUGIN_CATEGORIESLIST_CATGROUP', 'plugin_categorieslist_catgroup', true);
        }
        
        $tpl->parse('PLUGIN_CATEGORIESLIST', 'plugin_categorieslist', true);
    }
    
}

?>