<?php

require_once 'classes/LightPressPlugin.php';

class CategoriesListExtended extends LightPressPlugin {
    
    var $constructor_args = array(
        'date_format'=>'custom date format',
        'limit_to'=>'Run the plugin only for this file',
        'post_separator'=>'character(s) to use when joining post titles'
        );
    
    var $date_format = '%e&nbsp;%B&nbsp;%y';
    var $limit_to = 'list_categories.php';
    var $post_separator = '&#8214;';
    
    var $default_context = LP_CONTEXT_INDEX;
    var $description = 'Display a list of active categories and their posts titles';
    
    
    var $active = true;
    var $hooks = array('pre_render');
    
    function CategoriesListExtended(&$frontend, $args, $dummy_run=false) {
        $this->LightPressPlugin($frontend, $args, $dummy_run);

        if (!$dummy_run && !empty($this->limit_to) && basename($_SERVER['PHP_SELF']) != $this->limit_to)
            $this->active = false;
        
    }
    
    function run($hook, &$hook_data) {
        $f =& $this->_frontend;
        $tpl =& $f->tpl;
        $db =& $f->db;
        
        $sep = $this->post_separator;
        
        $tpl->setFile('plugin_categorieslistextended', 'plugins/categories_list_extended.xml');
        
        $tpl->setBlock('plugin_categorieslistextended', 'plugin_categorieslistextended_catgroup', 'PLUGIN_CATEGORIESLISTEXTENDED_CATGROUP');
        $tpl->setBlock('plugin_categorieslistextended_catgroup', 'plugin_categorieslistextended_category', 'PLUGIN_CATEGORIESLISTEXTENDED_CATEGORY');
            
        $categories =& $this->_frontend->getCategories();
        
        $q = "select p.id, p.post_name, p.post_title, UNIX_TIMESTAMP(p.post_date) as tstamp, " .
            "p.post_category as category_id, p2c.category_id as post_category " .
            "from " . $f->tables['post2cat'] . " p2c " .
            "inner join " . $f->tables['posts'] . " p on p.id = p2c.post_id " .
            "where p.post_status='publish' and p.post_date_gmt <= '" . $f->where_date . "' " .
            "order by p2c.category_id, p.post_date desc";
        $db->query($q);
        
        $opt_url = $f->options['url'];
        $category = null;
        foreach ($db->all() as $post) {
            if ($category != $post['post_category']) {
                if (!is_null($category))
                    $categories[$category]['posts'] = '<li class="first">' . implode("</li>$sep<li>", $posts) . '</li>';
                $posts = array();
                $category = $post['post_category'];
            }
            $posts[] = sprintf('<a href="%s/%s">%s</a>',
                               $opt_url,
                               $f->getPermalink($post['id'], $post['post_name'], $post['tstamp'], $post['category_id']),
                               htmlspecialchars($post['post_title'], ENT_QUOTES));
        }
        $categories[$category]['posts'] = '<li class="first">' . implode("</li>$sep<li>", $posts) . '</li>';
        
        $config_messages =& $f->messages;
        $date_format = (empty($this->date_format) ? $f->options['short_date_format'] : $this->date_format);
        
        $catgroup = null;
        $append = true;
        
        foreach ($categories as $category) {
            if ($category['catgroup'] != $catgroup) {
                if ($catgroup != null) {
                    $tpl->parse('PLUGIN_CATEGORIESLISTEXTENDED_CATGROUP', 'plugin_categorieslistextended_catgroup', true);
                    $append = false;
                }
                $catgroup = $category['catgroup'];
            }
            $tpl->setVar($category);
            if (is_null($catgroup)) {
                $tpl->parse('PLUGIN_CATEGORIESLISTEXTENDED_CATGROUP', 'plugin_categorieslistextended_category', true);
            } else {
                $tpl->parse('PLUGIN_CATEGORIESLISTEXTENDED_CATEGORY', 'plugin_categorieslistextended_category', $append);
                $append = true;
            }
        }
        if ($catgroup != null)
            $tpl->parse('PLUGIN_CATEGORIESLISTEXTENDED_CATGROUP', 'plugin_categorieslistextended_catgroup', true);
        
        $tpl->parse('PLUGIN_CATEGORIESLISTEXTENDED', 'plugin_categorieslistextended', true);
    }
    
}

?>