source: extensions/greydragon/themeconf.inc.php @ 31043

<?php
/*
Theme Name: GreyDragon
Version: 1.2.22
Description: GreyDragon Theme
Theme URI: http://piwigo.org/ext/extension_view.php?eid=775
Author: Serge Dosyukov
Author URI: http://blog.dragonsoft.us
*/

if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

define('GDTHEME_ID',   basename(dirname(__FILE__)));
if (!defined('GDTHEME_PATH')):
  define('GDTHEME_PATH', PHPWG_THEMES_PATH . GDTHEME_ID . '/');
endif;
require_once( GDTHEME_PATH . 'include/greydragon.class.php');
require_once( GDTHEME_PATH . 'admin/upgrade.inc.php');

$themeCore = greyDragonCore::Instance(GDTHEME_VERSION);

$themeconf = array(
  'name'  => 'greydragon',
  'parent' => 'default',
  'colorscheme' => 'whitehawk' == $themeCore->getOption('p_colorpack') ? 'clear' : 'dark'
);

add_event_handler('init', 'greydragon_init');

// Load Theme's Parameters
function greydragon_init() {
  global $template;

  $themeCore = greyDragonCore::Instance();

  if ($themeCore->hasCustomFavicon() || $themeCore->hasOption("p_header") || $themeCore->hasOption('page_banner', TRUE)):
    add_event_handler('render_page_banner', 'greydragon_render_header');
  endif;
  if ($themeCore->getOption("p_nocounter") == "on"):
    add_event_handler('loc_end_index', 'greydragon_nobreadcrumb_counter');
  endif;
  if ($themeCore->getOption("p_pict_tab_exif") == "off"):
    pwg_set_session_var('show_metadata', 0);
  else:
    pwg_set_session_var('show_metadata', 1);
  endif;

  $template->assign('greydragon', $themeCore->getConfig());

  // Allow dynamic addition of metadata tabs content
  add_event_handler('loc_begin_picture', 'greydragon_picture_handler');

}

function greydragon_picture_handler() {
  global $template;

  $template->set_prefilter('picture', 'greydragon_prepare_meta');
}

function greydragon_prepare_meta($tpl_source, &$smarty) {
  // metadata array
  // each tab represented by respected sub array
  // sub array need to include 
  //   "id"         = unique id of the tab
  //   "icon_class" = class to be used to render icon tabs
  //   "title"      = tab or menu block title
  //   "content"    = block content
  //   "target"     = optional, rendering target - "left", "top", "right", "bottom", not supported, reserved for future use
  //   "combine"    = combine_css or combine_js reference block
  //
  // prior to rendering, each element would be processed and converted into tab content in picture.tpl

  $metadata = array();
  $metadata = trigger_change('gd_get_metadata', $metadata);

  $meta_icon = "";
  $meta_text = "";
  $meta_content = "";

  foreach ($metadata as $item):

    $id            = $item["id"];
    $icon_class    = $item["icon_class"];
    $title         = $item["title"];
    $block_content = $item["content"];
    $combine       = $item["combine"];
    $no_overlay    = $item["no_overlay"];

    if ($no_overlay):
      $meta_icon .= '<li class="ico-btn btn-' . $id . '">' . $block_content . '</li>';
    else:
      $meta_icon .= '<li class="meta-' . $id . '{if $ico_mode=="on"} ' . $icon_class . '{/if}{if $def_tab == "' . $id . '"} active{/if}" >{if $ico_mode=="off"}' . $title . '{/if}</li>';
    endif;

    $meta_text .= '<li class="{if $ico_mode=="on"}' . $icon_class . '{/if}{if $def_tab == "' . $id . '"} active{/if}" rel="tab-' . $id . '">{if $ico_mode=="off"}' . $title . '{/if}</li>';
    if (isset($combine)):
      $meta_content .= '{strip}' . $combine . '{strip}';
    endif;
    $meta_content .= '<div id="tab-' . $id . '" class="image-metadata-tab">' . $block_content . '</div>';
  endforeach;

  $content  = $tpl_source;
  if ($meta_icon):
    $pattern  = '#{\*GD_META_ICO\*}#';
    $replace  = $meta_icon . "{*GD_META_ICO*}";
    $content  = preg_replace($pattern, $replace, $content, 1);
  endif;
  if ($meta_text):
    $pattern  = '#{\*GD_META_TXT\*}#';
    $replace  = $meta_text . "{*GD_META_TXT*}";
    $content  = preg_replace($pattern, $replace, $content, 1);
  endif;
  if ($meta_content):
    $pattern  = '#{\*GD_META_CONTENT\*}#';
    $replace  = $meta_content . "{*GD_META_CONTENT*}";
    $content  = preg_replace($pattern, $replace, $content, 1);
  endif;
  return $content;
}

// Render custom header content
function greydragon_render_header() {
  return greyDragonCore::Instance()->getHeader();
}

function greydragon_nobreadcrumb_counter() {
  global $template;

  $titre = $template->get_template_vars('TITLE');
  $pos = strrpos($titre,"[");
  if ($pos !== false):
    $template->assign('TITLE', substr($titre, 0, $pos));
  endif;
}

?>