source: plugins/multiToc/trunk/inc/class.multi.toc.php @ 3039

<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
# This file is part of multiToc, a plugin for Dotclear.
# 
# Copyright (c) 2009-2010 Tomtom and contributors
# http://blog.zenstyle.fr/
# 
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# -- END LICENSE BLOCK ------------------------------------

class multiTocPost
{
     protected $p_h = '/<h([1-6])>(.*)<\/h\\1>/';
     protected $p_t = '/<p>::TOC::<\/p>/';
     protected $p_r_a = '<a href="%1$s#%2$s">%3$s</a>';
     protected $p_r_h = '<h%1$s%2$s>%3$s</h%1$s>';
     protected $p_r_t = '<div class="post-toc">%s</div>';
     protected $tree = array();
     protected $num = array();
     protected $count = false;
     protected $rs;
     
     public function __construct($rs)
     {
          $s = unserialize($rs->core->blog->settings->multiToc->multitoc_settings);
          
          $this->rs = $rs;
          $this->count = $s['post']['numbering'];
          $this->getTree();
     }
     
     public function process($c)
     {
          if (preg_match($this->p_t,$c)) {
               $c = preg_replace($this->p_t,sprintf($this->p_r_t,$this->getToc()),$c);
          }
          
          $c = preg_replace_callback($this->p_h,array($this,'replaceTitles'),$c);
          
          return $c;
     }
     
     protected function getTree()
     {
          preg_match_all($this->p_h,$this->rs->post_excerpt_xhtml.$this->rs->post_content_xhtml,$matches);
          
          $levels = $matches[1];
          $titles = $matches[2];
          $offset = min($levels);
          $key = array('','','','','');
          $count = array(0,0,0,0,0,0);
          
          foreach ($levels as $k => $v) {
               $title = $titles[$k];
               
               if ($title === 'Notes') { continue; }
               
               $dim = $v - $offset;
               
               switch ($dim) {
                    case 0:
                         $key[0] = $title;
                         $this->tree[$title] = null;
                         $this->num[$title] = count($this->tree);
                         break;
                    case 1:
                         $key[1] = $title;
                         $this->tree[$key[0]][$title] = null;
                         $this->num[$title] = 
                              count($this->tree).'.'.
                              count($this->tree[$key[0]]);
                         break;
                    case 2:
                         $key[2] = $title;
                         $this->tree[$key[0]][$key[1]][$title] = null;
                         $this->num[$title] = 
                              count($this->tree).'.'.
                              count($this->tree[$key[0]]).'.'.
                              count($this->tree[$key[0]][$key[1]]);
                         break;
                    case 3:
                         $key[3] = $title;
                         $this->tree[$key[0]][$key[1]][$key[2]][$title] = null;
                         $this->num[$title] =
                              count($this->tree).'.'.
                              count($this->tree[$key[0]]).'.'.
                              count($this->tree[$key[0]][$key[1]]).'.'.
                              count($this->tree[$key[0]][$key[1]][$key[2]]);
                         break;
                    case 4:
                         $key[4] = $title;
                         $this->tree[$key[0]][$key[1]][$key[2]][$key[3]][$title] = null;
                         $this->num[$title] =
                              count($this->tree).'.'.
                              count($this->tree[$key[0]]).'.'.
                              count($this->tree[$key[0]][$key[1]]).'.'.
                              count($this->tree[$key[0]][$key[1]][$key[2]]).'.'.
                              count($this->tree[$key[0]][$key[1]][$key[2]][$key[3]]);
                         break;
                    case 5:
                         $this->tree[$key[0]][$key[1]][$key[2]][$key[3]][$key[4]][$title] = null;
                         $this->num[$title] =
                              count($this->tree).'.'.
                              count($this->tree[$key[0]]).'.'.
                              count($this->tree[$key[0]][$key[1]]).'.'.
                              count($this->tree[$key[0]][$key[1]][$key[2]]).'.'.
                              count($this->tree[$key[0]][$key[1]][$key[2]][$key[3]]).'.'.
                              count($this->tree[$key[0]][$key[1]][$key[2]][$key[3]][$key[4]]);
                         break;
               }
          }
     }
     
     protected function getToc($tree = null)
     {
          $res = array();
          
          if (is_null($tree)) {
               $tree = $this->tree;
          }
          
          foreach ($tree as $title => $child)
          {
               $url = $this->rs->getURL().'#'.text::tidyURL($title);
               if ($this->count) {
                    if (array_key_exists($title,$this->num)) {
                         $title = sprintf('%s: %s',$this->num[$title],$title);
                    }
               }
               
               $link = sprintf('<a href="%1$s">%2$s</a>',$url,$title);
               
               if (is_array($child)) {
                    $link .= $this->getToc($child);
               }
               array_push($res,sprintf('<li>%s</li>',$link));
          }
          
          return sprintf('<ul>%s</ul>',implode("\n",$res));
     }
     
     protected function replaceTitles($matches)
     {
          $num = array_key_exists($matches[2],$this->num) ? $this->num[$matches[2]] : '';
          
          return sprintf(
               '<h%1$s%2$s>%3$s</h%1$s>',$matches[1],
               ' id="'.text::tidyURL($matches[2]).'"',
               sprintf(
                    (array_key_exists($matches[2],$this->num) && $this->count ? '%2$s: %1$s' : '%1$s'),
                    $matches[2],$num
               )
          );
     }
}

class multiTocUi
{    
     public static function form($type = 'cat')
     {
          global $core;
          
          $order_entry_data = array(
               __('Title up') => 'post_title asc',
               __('Title down') => 'post_title desc',
               __('Date up') => 'post_dt asc',
               __('Date down') => 'post_dt desc',
               __('Author up') => 'user_id asc',
               __('Author down') => 'user_id desc',
               __('Comments number up') => 'nb_comment asc',
               __('Comments number down') => 'nb_comment desc',
               __('Trackbacks number up') => 'nb_trackback asc',
               __('Trackbacks number down') => 'nb_trackback desc'
          );
          
          switch($type)
          {
               case 'tag':
                    $legend = __('TOC by tags');
                    $enable = __('Enable TOC by tags');
                    $order_group = __('Order of tags');
                    $order_entry = __('Order of entries');
                    $order_group_data = array(
                         __('Name up') =>  'asc',
                         __('Name down') =>  'desc',
                    );
                    break;
               case 'alpha':
                    $legend = __('TOC by alpha list');
                    $enable = __('Enable TOC by alpha list');
                    $order_group = __('Order of alpha list');
                    $order_entry = __('Order of entries');
                    $order_group_data = array(
                         __('Alpha up') =>  'post_letter asc',
                         __('Alpha down') =>  'post_letter desc',
                    );
                    break;
               case 'post':
                    $legend = __('Post TOC');
                    $enable = __('Enable post TOC');
                    $numbering = __('Auto numbering');
                    break;
               default:
                    $legend = __('TOC by category');
                    $enable = __('Enable TOC by category');
                    $order_group = __('Order of categories');
                    $order_entry = __('Order of entries');
                    $order_group_data = array(
                         __('No option') => '',
                    );
                    break;
          }
          
          if ($type !== 'post') {
               $res = 
               '<fieldset>'.
               '<legend>'.$legend.'</legend>'.
               '<div class="two-cols"><div class="col">'.
               '<p><label for="'.$type.'_enable" class="classic">'.
               form::checkbox($type.'_enable',1,multiTocUi::getSetting($type,'enable')).$enable.
               '</label></p>'.
               '<p><label for="'.$type.'_display_nb_entry" class="classic">'.
               form::checkbox($type.'_display_nb_entry',1,multiTocUi::getSetting($type,'display_nb_entry')).
               __('Display entry number of each group').
               '</label></p>'.
               '<p><label for="'.$type.'_display_date" class="classic">'.
               form::checkbox($type.'_display_date',1,multiTocUi::getSetting($type,'display_date')).
               __('Display date').
               '</label></p>'.
               '<p><label for="'.$type.'_display_author" class="classic">'.
               form::checkbox($type.'_display_author',1,multiTocUi::getSetting($type,'display_author')).
               __('Display author').
               '</label></p>'.
               '<p><label for="'.$type.'_display_cat" class="classic">'.
               form::checkbox($type.'_display_cat',1,multiTocUi::getSetting($type,'display_cat')).
               __('Display category').
               '</label></p>'.
               '<p><label for="'.$type.'_display_nb_com" class="classic">'.
               form::checkbox($type.'_display_nb_com',1,multiTocUi::getSetting($type,'display_nb_com')).
               __('Display comment number').
               '</label></p>'.
               '<p><label for="'.$type.'_display_nb_tb" class="classic">'.
               form::checkbox($type.'_display_nb_tb',1,multiTocUi::getSetting($type,'display_nb_tb')).
               __('Display trackback number').
               '</label></p>'.
               '<p><label for="'.$type.'_display_tag" class="classic">'.
               form::checkbox($type.'_display_tag',1,multiTocUi::getSetting($type,'display_tag')).
               __('Display tags').
               '</label></p>'.
               '</div><div class="col">'.
               '<p><label for="'.$type.'_order_group">'.
               $order_group.
               form::combo(array($type.'_order_group'),$order_group_data,multiTocUi::getSetting($type,'order_group')).
               '</label></p>'.
               '<p><label for="'.$type.'_order_entry">'.
               $order_entry.
               form::combo(array($type.'_order_entry'),$order_entry_data,multiTocUi::getSetting($type,'order_entry')).
               '</label></p>'.
               '<p><label for="'.$type.'_format_date">'.
               __('Format date').
               form::field($type.'_format_date',40,255,multiTocUi::getSetting($type,'format_date')).
               '</label></p>'.
               '</div></div>'.
               '</fieldset>' ;
          }
          else {
               $res = 
               '<fieldset>'.
               '<legend>'.$legend.'</legend>'.
               '<p><label for="'.$type.'_enable" class="classic">'.
               form::checkbox($type.'_enable',1,multiTocUi::getSetting($type,'enable'),null,null,!$core->plugins->moduleExists('stacker')).$enable.
               '</label></p>'.
               '<p><label for="'.$type.'_numbering" class="classic">'.
               form::checkbox($type.'_numbering',1,multiTocUi::getSetting($type,'numbering'),null,null,!$core->plugins->moduleExists('stacker')).$numbering.
               '</label></p>'.
               '<p class="form-note">'.__('Those options require stacker plugin').'</p>'.
               '</fieldset>';
               
          }
          
          return $res;
     }
     
     public static function getSetting($type,$value)
     {
          global $core;
          
          $settings = unserialize($core->blog->settings->multiToc->multitoc_settings);
          
          return isset($settings[$type][$value]) ? $settings[$type][$value] : '';
     }
}

?>