gallery_block.inc

   1 <?php
   2
   3 /**
   4  * gallery.module : gallery_block.inc
   5  * Block functions
   6  */
   7
   8 /**
   9  * Implementation of hook_block().
  10  */
  11 function _gallery_block($op = 'list', $delta = 0, $edit = array()) {
  12   $type_map = $param_map = array();
  13   _gallery_block_options($type_map, $param_map);
  14
  15   list($type, $delta) = explode('-', $delta);
  16   switch ($op) {
  17     case 'list':
  18       $blocks['navigation']['info'] = t('Gallery Navigation');
  19       $imageblock_num = variable_get('gallery_block_image_num', 1);
  20       for ($i=0; $i<$imageblock_num; $i++) {
  21         $id = variable_get('gallery_block_image_'. $i .'_blockid', '');
  22         $blocks['image-'. $i]['info'] = t('Gallery Image Block @id',
  23           array('@id' => ($imageblock_num > 1) ? ('['. ($id ? $id : $i+1) .']') : ''));
  24       }
  25       $gridblock_num = variable_get('gallery_block_grid_num', 1);
  26       for ($i=0; $i<$gridblock_num; $i++) {
  27         $id = variable_get('gallery_block_grid_'. $i .'_blockid', '');
  28         $blocks['grid-'. $i]['info'] = t('Gallery Grid Block @id',
  29           array('@id' => ($gridblock_num > 1) ? ('['. ($id ? $id : $i+1) .']') : ''));
  30       }
  31       return $blocks;
  32     case 'view':
  33       if (!user_access('access gallery') || !_gallery_init(TRUE) || $_GET['q'] == 'admin/settings/gallery/install') {
  34         return;
  35       }
  36       switch ($type) {
  37         case 'navigation': // Navigation Block
  38           if ((arg(0) == 'gallery') && !empty($GLOBALS['gallery_sidebar'])) {
  39             $block['subject'] = t('Gallery Navigation');
  40             $block['content'] = '<div id="gsSidebar" class="gcBorder1">'. implode('', $GLOBALS['gallery_sidebar']) .'</div>';
  41           }
  42           break;
  43         case 'image': // Image Block
  44           $block = _gallery_block_image_block($delta, $type_map);
  45           break;
  46         case 'grid': // Image Grid Block
  47           $block = _gallery_block_grid_block($delta, $type_map);
  48           break;
  49       }
  50       GalleryEmbed::done();
  51       return $block;
  52     case 'configure':
  53       require_once(drupal_get_path('module', 'gallery') .'/gallery_settings.inc');
  54       switch ($type) {
  55         case 'image': // Image Block
  56           return _gallery_settings_block_image($delta);
  57         case 'grid': // Image Grid Block
  58           return _gallery_settings_block_grid($delta);
  59       }
  60       break;
  61     case 'save':
  62       require_once(drupal_get_path('module', 'gallery') .'/gallery_settings.inc');
  63       _gallery_settings_block_save($delta, $edit);
  64       break;
  65   }
  66 }
  67
  68 /**
  69  * Function _gallery_block_options().
  70  */
  71 function _gallery_block_options(&$type_map, &$param_map) {
  72   $type_map = array(
  73     'randomImage'   => t('Random image'),
  74     'recentImage'   => t('Recent image'),
  75     'viewedImage'   => t('Viewed image'),
  76     'randomAlbum'   => t('Random album'),
  77     'recentAlbum'   => t('Recent album'),
  78     'viewedAlbum'   => t('Viewed album'),
  79     'dailyImage'    => t('Daily image'),
  80     'weeklyImage'   => t('Weekly image'),
  81     'monthlyImage'  => t('Monthly image'),
  82     'dailyAlbum'    => t('Daily album'),
  83     'weeklyAlbum'   => t('Weekly album'),
  84     'monthlyAlbum'  => t('Monthly album')
  85   );
  86   $param_map = array(
  87     'title'   => t('Title'),
  88     'date'    => t('Date'),
  89     'views'   => t('View Count'),
  90     'owner'   => t('Item owner'),
  91     'heading' => t('Heading')
  92   );
  93 }
  94
  95 /**
  96  * Function _gallery_block_image_block().
  97  */
  98 function _gallery_block_image_block($delta, $type_map) {
  99   $param_blocks_array = array_filter(variable_get('gallery_block_image_'. $delta .'_block_block', array('randomImage')));
 100   $params['blocks'] = is_array($param_blocks_array) ? implode('|', $param_blocks_array) : '';
 101   $params['itemId'] = variable_get('gallery_block_image_'. $delta .'_item_id', '');
 102   $param_show_array = variable_get('gallery_block_image_'. $delta .'_block_show', array());
 103   $params['show'] = is_array($param_show_array) ? implode('|', $param_show_array) : '';
 104   if (variable_get('gallery_block_image_'. $delta .'_size_method', GALLERY_IMAGEBLOCK_SIZE_METHOD_DEFAULT) == 'maxsize') {
 105     $params['maxSize'] = variable_get('gallery_block_image_'. $delta .'_size', GALLERY_IMAGEBLOCK_SIZE_DEFAULT);
 106   }
 107   else {
 108     $params['exactSize'] = variable_get('gallery_block_image_'. $delta .'_size', GALLERY_IMAGEBLOCK_SIZE_DEFAULT);
 109   }
 110   $params['albumFrame'] = variable_get('gallery_block_image_'. $delta .'_album_frame', 'none');
 111   $params['itemFrame'] = variable_get('gallery_block_image_'. $delta .'_item_frame', 'none');
 112   $params['linkTarget'] = variable_get('gallery_block_image_'. $delta .'_link_target', '');
 113   $params['link'] = variable_get('gallery_block_image_'. $delta .'_link', '');
 114
 115   $block = _gallery_block_get_block($params);
 116   $block['subject'] = (count($param_blocks_array) > 1) ? t('Gallery') : $type_map[$params['blocks']];
 117
 118   return $block;
 119 }
 120
 121 /**
 122  * Function _gallery_block_grid_block().
 123  */
 124 function _gallery_block_grid_block($delta, $type_map) {
 125   $num_cols = variable_get('gallery_block_grid_'. $delta .'_num_cols', 2);
 126   $num_rows = variable_get('gallery_block_grid_'. $delta .'_num_rows', 2);
 127   $num_images = $num_cols * $num_rows;
 128
 129   $param_blocks_array = array_fill(0, $num_images, variable_get('gallery_block_grid_'. $delta .'_block_block', 'randomImage'));
 130   $params['blocks'] = is_array($param_blocks_array) ? implode('|', $param_blocks_array) : '';
 131   $params['itemId'] = variable_get('gallery_block_grid_'. $delta .'_item_id', '');
 132   $param_show_array = variable_get('gallery_block_grid_'. $delta .'_block_show', array());
 133   $params['show'] = is_array($param_show_array) ? implode('|', $param_show_array) : '';
 134   if (variable_get('gallery_block_grid_'. $delta .'_size_method', GALLERY_GRID_SIZE_METHOD_DEFAULT) == 'maxsize') {
 135     $params['maxSize'] = variable_get('gallery_block_grid_'. $delta .'_size', GALLERY_GRID_SIZE_DEFAULT);
 136   }
 137   else {
 138     $params['exactSize'] = variable_get('gallery_block_grid_'. $delta .'_size', GALLERY_GRID_SIZE_DEFAULT);
 139   }
 140   $params['albumFrame'] =  variable_get('gallery_block_grid_'. $delta .'_album_frame', 'none');
 141   $params['itemFrame'] =  variable_get('gallery_block_grid_'. $delta .'_item_frame', 'none');
 142   $params['linkTarget'] =  variable_get('gallery_block_grid_'. $delta .'_link_target', '');
 143   $params['link'] = variable_get('gallery_block_grid_'. $delta .'_link', '');
 144
 145   return _gallery_block_get_block($params, array('num_cols' => $num_cols));
 146 }
 147
 148 /**
 149  * Function _gallery_block_get_block().
 150  */
 151 function _gallery_block_get_block($params, $extra = array()) {
 152   // Handle useralbum feature
 153   if (preg_match('/user(:([\d]+))?/i', $params['itemId'], $param_uid)) {
 154     require_once(drupal_get_path('module', 'gallery') .'/gallery_user.inc');
 155     $params['itemId'] = gallery_user_useralbum(isset($param_uid[2]) ? $param_uid[2] : NULL, FALSE);
 156   }
 157   if (empty($params['itemId']) || $params['itemId'] === FALSE) {
 158     unset($params['itemId']);
 159   }
 160   gallery_debug($params, t('Block parameters'));
 161   // Get the image(s) from G2
 162   list($ret, $content, $head) = GalleryEmbed::getImageBlock($params);
 163   if ($ret) {
 164     gallery_error(t('Error trying to get image block.'), $ret);
 165     return array();
 166   }
 167   // Format the block content
 168   $block = array();
 169   if ($content) {
 170     $block['subject'] = t('Gallery');
 171     if (isset($extra['num_cols'])) {
 172       $class = isset($extra['class']) ? $extra['class'] : 'gallery-grid-block';
 173       $block['content'] = theme('gallery_block_grid_block', $content, $extra['num_cols'], $class);
 174     }
 175     else {
 176       $class = isset($extra['class']) ? $extra['class'] : 'g2image_centered';
 177       $block['content'] = theme('gallery_block_image_block', $content, $class);
 178     }
 179     // Add css/js to the page
 180     if ($head) {
 181       gallery_set_head($head);
 182     }
 183   }
 184
 185   return $block;
 186 }
 187
 188 /**
 189  * Function _gallery_block_split_imageblock().
 190  * (split an image block result into individual images)
 191  */
 192 function _gallery_block_split_imageblock($html) {
 193   // From http://uk.php.net/manual/en/function.preg-split.php
 194   // Split the html from image block into <...> parts
 195   $pattern = '/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/';
 196   $html_array = preg_split($pattern, trim($html), -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
 197
 198   $ndx = 0;
 199   $images = array();
 200   $image_html = '';
 201   // Iterate through this array and combine again, but on a per-image basis
 202   foreach ($html_array as $value) {
 203     $value = trim($value);
 204     $image_html .= $value;
 205     if (!strcmp($value, '<div class="one-image">')) {
 206       // Found the opening <div> for the image
 207       $open_divs = 0;
 208     }
 209     elseif (!strncmp($value, '<div', 4)) {
 210       // Found a <div> but not the main image one (eg a frame)
 211       $open_divs++;
 212     }
 213     elseif (!strcmp($value, '</div>')) {
 214       // Found a </div> but check if it's for the main image or a subcomponent (eg frame)
 215       if ($open_divs > 0) {
 216         $open_divs--;
 217       }
 218       else {
 219         // This must be the closing div for "one-image" so move to next image
 220         $images[] = $image_html;
 221         $image_html = '';
 222       }
 223     }
 224   }
 225
 226   return $images;
 227 }
 228
 229 /**
 230  * Theme function : theme_gallery_block_image_block().
 231  */
 232 function theme_gallery_block_image_block($content, $class = 'g2image_centered') {
 233   return '<div class="'. $class .'">'. $content .'</div>';
 234 }
 235
 236 /**
 237  * Theme function : theme_gallery_block_grid_block().
 238  */
 239 function theme_gallery_block_grid_block($content, $num_cols, $class = 'gallery-grid-block') {
 240   $images = _gallery_block_split_imageblock($content);
 241   $images = array_chunk($images, $num_cols);
 242
 243   $rows = array();
 244   foreach ($images as $image_row) {
 245     $row = array();
 246     foreach ($image_row as $image) {
 247       $row[] = array('data' => $image, 'style' => 'text-align:center;');
 248     }
 249     $rows[] = $row;
 250   }
 251
 252   $html  = '<div class="'. $class .'"><div class="image-grid">';
 253   $html .= theme('table', array(), $rows);
 254   $html .= '</div></div>';
 255
 256   return $html;
 257 }