gallery_block.inc

   1 <?php
   2 // $Id$
   3
   4 /**
   5  * gallery.module : gallery_block.inc
   6  * Block functions
   7  */
   8
   9  /**
  10  * Implementation of hook_block
  11  *
  12  * 0 - gallery imageblock (random, most viewed, etc)
  13  * 1 - gallery navigation block (recommended)
  14  * 2 - gallery grid block
  15  */
  16 function _gallery_block($op = 'list', $delta = 0, $edit = array()) {
  17   $typeMap = array('none' => t('None'),
  18                     'randomImage' => t('Random Image'),
  19                     'recentImage' => t('Newest Image'),
  20                     'viewedImage' => t('Most Viewed Image'),
  21                     'randomAlbum' => t('Random Album'),
  22                     'recentAlbum' => t('Newest Album'),
  23                     'viewedAlbum' => t('Most Viewed Album'),
  24                     'dailyImage' => t('Picture of the Day'),
  25                     'weeklyImage' => t('Picture of the Week'),
  26                     'monthlyImage' => t('Picture of the Month'),
  27                     'dailyAlbum' => t('Album of the Day'),
  28                     'weeklyAlbum' => t('Album of the Week'),
  29                     'monthlyAlbum' => t('Album of the Month'));
  30
  31   switch ($op) {
  32   case 'list':
  33     $blocks[0]['info'] = t('Gallery Block');
  34     $blocks[1]['info'] = t('Gallery Navigation');
  35     $blocks[2]['info'] = t('Gallery Grid Block');
  36    return $blocks;
  37
  38   case 'view':
  39     if (!user_access('access gallery')) {
  40         return;
  41     }
  42     list ($success, $ret) = _gallery_init(true);
  43     if (!$success) {
  44       $err_msg = t('Unable to initialize embedded Gallery. You need to <a href="%link">
  45                     configure your embedded Gallery</a>.',
  46                    array('%link' => url('admin/settings/gallery')));
  47       gallery_error($err_msg, $ret);
  48       return;
  49     }
  50     switch ($delta) {
  51     // 0 = Image Block
  52       case 0:
  53         // Allow for multiple image types
  54         $param_blocks_array = variable_get('gallery_block_block', array('randomImage'));
  55         $params['blocks'] = is_array($param_blocks_array) ? implode('|', $param_blocks_array) : "";
  56         $param_show_array = variable_get('gallery_block_show', array());
  57         $params['show'] = is_array($param_show_array) ? implode('|', $param_show_array) : "";
  58         $params['maxSize'] = variable_get('gallery_maxsize', 160);
  59         // Add frames and link target using g2_filter code from MichelleC
  60         $params['albumFrame'] =  variable_get('gallery_album_frame', 'none');
  61         $params['itemFrame'] =  variable_get('gallery_item_frame', 'none');
  62         $params['linkTarget'] =  variable_get('gallery_link_target', '');
  63         if (variable_get('gallery_item_id', '') != '') {
  64             $params['itemId'] =  variable_get('gallery_item_id', '');
  65         }
  66         $block = array();
  67         list($ret, $content, $head) = GalleryEmbed::getImageBlock($params);
  68         if ($ret) {
  69           gallery_error(t('Unable to get Gallery image block'), $ret);
  70           return;
  71         } else {
  72           if ($content) {
  73             // If more than one image type selected then default the subject to 'Gallery'
  74             if (count(variable_get('gallery_block_block', 'randomImage')) > 1) {
  75               $block['subject'] = t('Gallery');
  76             } else {
  77               $block['subject'] = $typeMap[$params['blocks']];
  78             }
  79             // TODO: This should not be hardcoded, but included in the CSS.
  80             $block['content'] = '<center>' . $content . '</center>';
  81           }
  82         }
  83         if ($head) {
  84           gallery_set_html_head($head);
  85         }
  86         break;
  87     // 1 = Navigation Block
  88       case 1:
  89         global $gallery_sidebar;
  90         if ((arg(0) == 'gallery') && (isset($gallery_sidebar) && !empty($gallery_sidebar))) {
  91           $block['subject'] = t('Gallery Navigation');
  92           $block['content'] = '<div id="gsSidebar" class="gcBorder1">' . join('', $gallery_sidebar) . '</div>';
  93         }
  94         break;
  95       // 2 = Image Grid Block
  96       case 2:
  97         $num_cols = variable_get('gallery_grid_num_cols', 2);
  98         $num_rows = variable_get('gallery_grid_num_rows', 2);
  99         $num_images = $num_cols * $num_rows;
 100         // Allow for multiple image types
 101         $param_blocks_array = array_fill(0, $num_images, variable_get('gallery_grid_block_block',
 102           'randomImage'));
 103         $params['blocks'] = is_array($param_blocks_array) ? implode('|', $param_blocks_array) : "";
 104         $param_show_array = variable_get('gallery_grid_block_show', array());
 105         $params['show'] = is_array($param_show_array) ? implode('|', $param_show_array) : "";
 106         $params['maxSize'] = variable_get('gallery_grid_maxsize', 90);
 107         $params['albumFrame'] =  variable_get('gallery_grid_album_frame', 'none');
 108         $params['itemFrame'] =  variable_get('gallery_grid_item_frame', 'none');
 109         $params['linkTarget'] =  variable_get('gallery_grid_link_target', '');
 110         if (variable_get('gallery_grid_item_id', '') != '') {
 111             $params['itemId'] =  variable_get('gallery_grid_item_id', '');
 112         }
 113         $block = array();
 114         list($ret, $content, $head) = GalleryEmbed::getImageBlock($params);
 115         if ($ret) {
 116           gallery_error(t('Unable to get Gallery image block'), $ret);
 117           return;
 118         } else {
 119           if ($content) {
 120             $block['subject'] = t('Gallery');
 121             // Split the images from the html so that can put each only in a <td>
 122             $images = _gallery_split_imageblock($content);
 123             $new_html =  '<div class="gallery-grid-block"><div class="image-grid">';
 124             $new_html .= '<table>';
 125             $col = 0;
 126             foreach ($images as $current_image) {
 127               if ($col == 0) {
 128                 $new_html .= '<tr>';
 129               }
 130               $new_html .= '<td style="text-align:center;">' . $current_image . '</td>';
 131               $col++;
 132               if ($col >= $num_cols) {
 133                 $col = 0;
 134                 $new_html .= '</tr>';
 135               }
 136             }
 137             $new_html .= '</table>';
 138             $new_html .= '</div></div>';
 139             $block['content'] .= $new_html;
 140           }
 141         }
 142         if ($head) {
 143           gallery_set_html_head($head);
 144         }
 145         break;
 146       }
 147     $ret = GalleryEmbed::done();
 148     if ($ret) {
 149       gallery_error(t('Unable to complete Gallery request'), $ret);
 150       return;
 151     }
 152     return $block;
 153   }
 154 }
 155
 156 ?>