<?php
/* -----------------------------------------------------------------------------
  Plugin     : Histogram
  Author     : Grum
    email    : grum@piwigo.org
    website  : http://photos.grum.fr

    << May the Little SpaceFrog be with you ! >>
  ------------------------------------------------------------------------------
  See main.inc.php for release information

  HGram_PIP : classe to manage plugin public pages

  --------------------------------------------------------------------------- */

include_once('hgram_root.class.inc.php');

class HGram_PIP extends HGram_root
{
  protected $section_page;

  public function __construct($prefixeTable, $filelocation)
  {
    parent::__construct($prefixeTable, $filelocation);
    $this->loadConfig();

    $this->initEvents();
    $this->load_lang();
  }

  public function __destruct()
  {
    unset($section_page);
    parent::__destruct();
  }

  /**
   * load language file
   */
  public function load_lang()
  {
    global $lang;

    load_language('plugin.lang', HGRAM_PATH);
  }

  /**
   * initialize events call for the plugin
   */
  public function initEvents()
  {
    parent::initEvents();

    add_event_handler('loc_begin_picture', array(&$this, 'addHistogram'));
  }


  /* -------------------------------------------------------------------------
    FUNCTIONS TO MANAGE HISTOGRAM DISPLAY
  ------------------------------------------------------------------------- */
  public function addHistogram()
  {
    global $page, $template;

    $fileName=self::getHistogramGraph($page['image_id']);

    $metadata=$template->get_template_vars('metadata');


    $template->set_filename('hgramHisto',
                dirname($this->getFileLocation()).'/templates/hgram_picture_histo.tpl');
    $template->assign('histoImg', $fileName);
    $template->assign('imageId', $page['image_id']);
    $template->assign('token', self::getToken($page['image_id']));


    $histoNfo=Array(
      'TITLE' => l10n('hgram_histogram'),
      'lines' => Array(
        '<!--rawContent-->' => $template->parse('hgramHisto', true)
      )
    );

    $metadata[]=$histoNfo;

    $template->assign('metadata', $metadata);
  }


} //class

?>