<?php
// $Id$
// For Drupal 4.7 with Gallery 2.1

$path = drupal_get_path('module', 'gallery');
require_once($path . '/gallery_base.inc');

/**
 * Implementation of hook_menu
 */
function gallery_menu($may_cache) {
  global $user;
  $items = array();
  $view_access = (user_access('access user profiles') || ($user->uid == arg(1)));
  if ($may_cache) {
    $items[] = array('path' => 'gallery',
                     'title' => t('gallery'),
                     'callback' => 'gallery_page',
                     'access' => user_access('access content'),
                     'type' => MENU_NORMAL_ITEM);
    $items[] = array(
      'path' => 'admin/user/gallery', 'title' => t('gallery'),
      'callback' => 'gallery_users',
      'access' => user_access('administer users'),
      'type' => MENU_LOCAL_TASK);
  } else {
    // Add head info here so that it is included once only per page (almost)
    gallery_set_html_head(gallery_css_include());
  }
  return $items;
} 

/**
 * Implementation of hook_help
 */
function gallery_help($section) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_help.inc');
  return _gallery_help($section);
}

/**
 * Implementation of hook_settings
 */
function gallery_settings() {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_settings.inc');
  return _gallery_settings();
}

/**
 * Implementation of hook_user
 */
function gallery_user($op, &$edit, &$user, $category = NULL) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_user.inc');

  switch ($op) {
  case 'login':
    /* _gallery_init() will try to create the user, if necessary */
    list ($success, $ret) = _gallery_init();
    if (!$success) {
      gallery_error(t('Unable to log in to Gallery'), $ret);
      return;
    }
    break;
  case 'logout':
    if (variable_get('gallery_valid', 0)) {
      $embedPath = variable_get('gallery_dir', './gallery2/') . 'embed.php';
      require_once($embedPath);
      $ret = GalleryEmbed::logout();
      break;
    }
  case 'view':
    return gallery_view_user($user);
  case 'insert':
    return gallery_insert_user($edit, $user);
  case 'update':
    return gallery_update_user($edit, $user);
  case 'delete':
    return gallery_delete_user($user);
  }
}

/**
 * Gallery Users Page - view a set of users
 */
function gallery_users() {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_user.inc');
  return _gallery_users();
}

/**
 * implementation of hook_search
 */
function gallery_search($op = 'search', $keys = null) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_search.inc');
  return _gallery_search($op, $keys); 
}

/**
 * Implementation of hook_search_item to override how to display the item
 */
function gallery_search_page($results) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_search.inc');
  return _gallery_search_page($results); 
}  

/**
 * Implementation of hook_filter
 */
function gallery_filter($op, $delta = 0, $format = -1, $text = '') {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_filter.inc');
	switch ($op) {
		case 'list' :
			return array (0 => t('Gallery2 filter'));
		case 'description' :
			return t('Allow users to easily reference Gallery2 items from nodes.');
		case 'process' :
			return gallery_filter_process($text);
		case 'no cache': 
		  return !variable_get('gallery_filter_can_cache', 1);
		default :
			return $text;
	}
}

/**
 * Implementation of hook_filter_tips
 */
function gallery_filter_tips($delta = 0, $format = -1, $long = false) {
  $path = drupal_get_path('module', 'gallery');
  require_once($path . '/gallery_help.inc');
	if ($long) {
		return gallery_filter_long_tip_translated();
	} else {
		return gallery_filter_short_tip_translated();
	}
}

/**
 * Implementation of hook_perm().
 */
function gallery_perm() {
  return array('access standalone g2image');
}

/**
 * Implementation of hook_elements() - from img_assist
 */
function gallery_elements() {
  $type['textarea'] = array('#process' => array('gallery_g2image_textarea' => array()));
  return $type;
}

/*
 * Add image link underneath textareas
 */
function gallery_g2image_textarea($element) {
    $path = drupal_get_path('module', 'gallery');
    require_once($path . '/gallery_g2image.inc');
    if (_gallery_g2image_page_match() && !strstr($_GET['q'], 'gallery') && 
      (variable_get('gallery_g2image_mode', 'disabled') == 'standalone') &&
      (user_access('access standalone g2image'))) {
    gallery_g2image_add_js();
    $output = theme('gallery_g2image_textarea_link', $element, $link);
    $element['#suffix'] .= $output;
  }
  return $element;
}

/**
 * Implementation of hook_block
 *
 * - gallery navigation block (recommended)
 * - gallery imageblock (random, most viewed, etc)
 */
function gallery_block($op = 'list', $delta = 0, $edit = array()) {
// Modified typeMap to use current Gallery2 naming
  $typeMap = array('none' => t('None'),
                    'randomImage' => t('Random Image'),
                    'recentImage' => t('Newest Image'),
                    'viewedImage' => t('Most Viewed Image'),
                    'randomAlbum' => t('Random Album'),
                    'recentAlbum' => t('Newest Album'),
                    'viewedAlbum' => t('Most Viewed Album'),
                    'dailyImage' => t('Picture of the Day'),
                    'weeklyImage' => t('Picture of the Week'),
                    'monthlyImage' => t('Picture of the Month'),
                    'dailyAlbum' => t('Album of the Day'),
                    'weeklyAlbum' => t('Album of the Week'),
                    'monthlyAlbum' => t('Album of the Month'));

  switch ($op) {
  case 'list':
    $blocks[0]['info'] = t('Gallery Block');
    $blocks[1]['info'] = t('Gallery Navigation'); 
   return $blocks;

  case 'view':
    list ($success, $ret) = _gallery_init(true);
    if (!$success) {
      $err_msg = t('Unable to initialize embedded Gallery. You need to <a href="%link">
                    configure your embedded Gallery</a>.', 
                   array('%link' => url('admin/settings/gallery')));
      gallery_error($err_msg, $ret);
      return;
    }
    switch ($delta) {
    // 0 = Image Block
      case 0: 
        // Allow for multiple image types
        $param_blocks_array = variable_get('gallery_block_block', array('randomImage'));        
        $params['blocks'] = is_array($param_blocks_array) ? implode('|', $param_blocks_array) : ""; 
        $param_show_array = variable_get('gallery_block_show', array());
        $params['show'] = is_array($param_show_array) ? implode('|', $param_show_array) : ""; 
        $params['maxSize'] = variable_get('gallery_maxsize', 160);
        // Add frames and link target using g2_filter code from MichelleC
        $params['albumFrame'] =  variable_get('gallery_album_frame', 'none');;
        $params['itemFrame'] =  variable_get('gallery_item_frame', 'none');;
        $params['linkTarget'] =  variable_get('gallery_link_target', '');;

        $block = array();
        list($ret, $content, $head) = GalleryEmbed::getImageBlock($params);
        if ($ret) {
          gallery_error(t('Unable to get Gallery image block'), $ret);
          return;
        } else {
          if ($content) {
            // If more than one image type selected then default the subject to 'Gallery' 
            // Also fixes typo in v1.9 -- block => blocks
            if (count(variable_get('gallery_block_block', 'randomImage')) > 1) {
              $block['subject'] = t('Gallery');
            } else {
              $block['subject'] = $typeMap[$params['blocks']]; 
            }
            // TODO: This should not be hardcoded, but included in the CSS.
            $block['content'] = '<center>' . $content . '</center>';
          }
        }
        if ($head) {
          gallery_set_html_head($head);
        }
        break;
    // 1 = Navigation Block
      case 1:
        if (arg(0) == 'gallery') {
          GalleryCapabilities::set('showSidebarBlocks', false);
          $result = GalleryEmbed::handleRequest();
          if (isset($result['sidebarBlocksHtml']) && !empty($result['sidebarBlocksHtml'])) {
            $block['subject'] = t('Gallery Navigation');
            $block['content'] = '<div id="gsSidebar" class="gcBorder1">' . join('', $result['sidebarBlocksHtml']) . '</div>';
          }
        }
        break;
      }
    $ret = GalleryEmbed::done();
    if ($ret) {
      gallery_error(t('Unable to complete Gallery request'), $ret);
      return;
    }
    return $block;
  }
}

/**
 * Main gallery display page
 */
function gallery_page() {
  list ($success, $ret) = _gallery_init(true);
  if (!$success) {
    gallery_error(t('Unable to initialize embedded Gallery'), $ret);
    $err_msg = t('Unable to initialize embedded Gallery. You need to <a href="%link">
              configure your embedded Gallery</a>.', 
              array('%link' => url('admin/settings/gallery')));
    return $err_msg;
  }
  /* Pass any excess path info to G2 - NEEDED??? */
//  $path = substr($_GET['q'], 7 /* length of 'gallery/' */);
 /* if (!empty($path)) {
    $_GET[GALLERY_FORM_VARIABLE_PREFIX . 'path'] = $path;
  }*/
  // Turn off sidebar and pathbar
  GalleryCapabilities::set('showSidebarBlocks', false);
  $result = GalleryEmbed::handleRequest();
  if (!$result['isDone']) {
    list($title, $css, $javascript) = GalleryEmbed::parseHead($result['headHtml']);
    if (!empty($javascript)) {
      gallery_set_html_head(implode("\n", $javascript));
    }
    gallery_set_html_head(implode("\n", $css));
    // Add Gallery head. FIX - this will be included twice on a gallery page. Has to be 
    // included here as it is after the G2 .css files and so can override them.
    gallery_set_html_head(gallery_css_include(), false);    
    drupal_set_title($title);
    // Add pathbar. See http://gallery.menalto.com/node/33447
    if (isset($result['themeData'])) {
        $urlGenerator =& $GLOBALS['gallery']->getUrlGenerator();
        $breadcrumb = array(l(t('Home'), ''));
        foreach ($result['themeData']['parents'] as $parent) {
          $parent_title = $parent['title'];
          // Simple strip of bbcode (italics) 
          $parent_title = str_replace("[i]", "<i>", $parent_title);
          $parent_title = str_replace("[/i]", "</i>", $parent_title);
          $breadcrumb[] = '<a href="'.$urlGenerator->generateUrl(
            array('itemId' => $parent['id'])) .'">'.$parent_title."</a>";
        }
        drupal_set_breadcrumb($breadcrumb);
      }
    return $result['bodyHtml'];
  }
}

?>