| Line # | Frequency | Source Line | | 1 | | <?php |
| 2 | | // $Id: block.module,v 1.301 2008/03/21 08:41:25 dries Exp $ |
| 3 | | |
| 4 | | /** |
| 5 | | * @file |
| 6 | | * Controls the boxes that are displayed around the main content. |
| 7 | | */ |
| 8 | | |
| 9 | | /** |
| 10 | | * Denotes that a block is not enabled in any region and should not |
| 11 | | * be shown. |
| 12 | | */ |
| 13 | | define('BLOCK_REGION_NONE', -1); |
| 14 | | |
| 15 | | /** |
| 16 | | * Constants defining cache granularity for blocks. |
| 17 | | * |
| 18 | | * Modules specify the caching patterns for their blocks using binary |
| 19 | | * combinations of these constants in their hook_block(op 'list'): |
| 20 | | * $block[delta]['cache'] = BLOCK_CACHE_PER_ROLE | BLOCK_CACHE_PER_PAGE; |
| 21 | | * BLOCK_CACHE_PER_ROLE is used as a default when no caching pattern is |
| 22 | | * specified. |
| 23 | | * |
| 24 | | * The block cache is cleared in cache_clear_all(), and uses the same clearing |
| 25 | | * policy than page cache (node, comment, user, taxonomy added or updated...). |
| 26 | | * Blocks requiring more fine-grained clearing might consider disabling the |
| 27 | | * built-in block cache (BLOCK_NO_CACHE) and roll their own. |
| 28 | | * |
| 29 | | * Note that user 1 is excluded from block caching. |
| 30 | | */ |
| 31 | | |
| 32 | | /** |
| 33 | | * The block should not get cached. This setting should be used: |
| 34 | | * - for simple blocks (notably those that do not perform any db query), |
| 35 | | * where querying the db cache would be more expensive than directly generating |
| 36 | | * the content. |
| 37 | | * - for blocks that change too frequently. |
| 38 | | */ |
| 39 | | define('BLOCK_NO_CACHE', -1); |
| 40 | | |
| 41 | | /** |
| 42 | | * The block can change depending on the roles the user viewing the page belongs to. |
| 43 | | * This is the default setting, used when the block does not specify anything. |
| 44 | | */ |
| 45 | | define('BLOCK_CACHE_PER_ROLE', 0x0001); |
| 46 | | |
| 47 | | /** |
| 48 | | * The block can change depending on the user viewing the page. |
| 49 | | * This setting can be resource-consuming for sites with large number of users, |
| 50 | | * and thus should only be used when BLOCK_CACHE_PER_ROLE is not sufficient. |
| 51 | | */ |
| 52 | | define('BLOCK_CACHE_PER_USER', 0x0002); |
| 53 | | |
| 54 | | /** |
| 55 | | * The block can change depending on the page being viewed. |
| 56 | | */ |
| 57 | | define('BLOCK_CACHE_PER_PAGE', 0x0004); |
| 58 | | |
| 59 | | /** |
| 60 | | * The block is the same for every user on every page where it is visible. |
| 61 | | */ |
| 62 | | define('BLOCK_CACHE_GLOBAL', 0x0008); |
| 63 | | |
| 64 | | /** |
| 65 | | * Implementation of hook_help(). |
| 66 | | */ |
| 67 | | function block_help($path, $arg) { |
| 68 | | switch ($path) { |
| 69 | | case 'admin/help#block': |
| 70 | | $output = '<p>'. t('Blocks are boxes of content rendered into an area, or region, of a web page. The default theme Garland, for example, implements the regions "left sidebar", "right sidebar", "content", "header", and "footer", and a block may appear in any one of these areas. The <a href="@blocks">blocks administration page</a> provides a drag-and-drop interface for assigning a block to a region, and for controlling the order of blocks within regions.', array('@blocks' => url('admin/build/block'))) .'</p>'; |
| 71 | | $output .= '<p>'. t('Although blocks are usually generated automatically by modules (like the <em>User login</em> block, for example), administrators can also define custom blocks. Custom blocks have a title, description, and body. The body of the block can be as long as necessary, and can contain content supported by any available <a href="@input-format">input format</a>.', array('@input-format' => url('admin/settings/filters'))) .'</p>'; |
| 72 | | $output .= '<p>'. t('When working with blocks, remember that:') .'</p>'; |
| 73 | | $output .= '<ul><li>'. t('since not all themes implement the same regions, or display regions in the same way, blocks are positioned on a per-theme basis.') .'</li>'; |
| 74 | | $output .= '<li>'. t('disabled blocks, or blocks not in a region, are never shown.') .'</li>'; |
| 75 | | $output .= '<li>'. t('when throttle module is enabled, throttled blocks (blocks with the <em>Throttle</em> checkbox selected) are hidden during high server loads.') .'</li>'; |
| 76 | | $output .= '<li>'. t('blocks can be configured to be visible only on certain pages.') .'</li>'; |
| 77 | | $output .= '<li>'. t('blocks can be configured to be visible only when specific conditions are true.') .'</li>'; |
| 78 | | $output .= '<li>'. t('blocks can be configured to be visible only for certain user roles.') .'</li>'; |
| 79 | | $output .= '<li>'. t('when allowed by an administrator, specific blocks may be enabled or disabled on a per-user basis using the <em>My account</em> page.') .'</li>'; |
| 80 | | $output .= '<li>'. t('some dynamic blocks, such as those generated by modules, will be displayed only on certain pages.') .'</li></ul>'; |
| 81 | | $output .= '<p>'. t('For more information, see the online handbook entry for <a href="@block">Block module</a>.', array('@block' => 'http://drupal.org/handbook/modules/block/')) .'</p>'; |
| 82 | | return $output; |
| 83 | | case 'admin/build/block': |
| 84 | | $throttle = module_exists('throttle'); |
| 85 | | $output = '<p>'. t('This page provides a drag-and-drop interface for assigning a block to a region, and for controlling the order of blocks within regions. To change the region or order of a block, grab a drag-and-drop handle under the <em>Block</em> column and drag the block to a new location in the list. (Grab a handle by clicking and holding the mouse while hovering over a handle icon.) Since not all themes implement the same regions, or display regions in the same way, blocks are positioned on a per-theme basis. Remember that your changes will not be saved until you click the <em>Save blocks</em> button at the bottom of the page.') .'</p>'; |
| 86 | | if ($throttle) { |
| 87 | | $output .= '<p>'. t('To reduce CPU usage, database traffic or bandwidth, blocks may be automatically disabled during high server loads by selecting their <em>Throttle</em> checkbox. Adjust throttle thresholds on the <a href="@throttleconfig">throttle configuration page</a>.', array('@throttleconfig' => url('admin/settings/throttle'))) .'</p>'; |
| 88 | | } |
| 89 | | $output .= '<p>'. t('Click the <em>configure</em> link next to each block to configure its specific title and visibility settings. Use the <a href="@add-block">add block page</a> to create a custom block.', array('@add-block' => url('admin/build/block/add'))) .'</p>'; |
| 90 | | return $output; |
| 91 | | case 'admin/build/block/add': |
| 92 | | return '<p>'. t('Use this page to create a new custom block. New blocks are disabled by default, and must be moved to a region on the <a href="@blocks">blocks administration page</a> to be visible.', array('@blocks' => url('admin/build/block'))) .'</p>'; |
| 93 | | } |
| 94 | | } |
| 95 | | |
| 96 | | /** |
| 97 | | * Implementation of hook_theme() |
| 98 | | */ |
| 99 | | function block_theme() { |
| 100 | | return array( |
| 101 | | 'block_admin_display_form' => array( |
| 102 | | 'template' => 'block-admin-display-form', |
| 103 | | 'file' => 'block.admin.inc', |
| 104 | | 'arguments' => array('form' => NULL), |
| 105 | | ), |
| 106 | | ); |
| 107 | | } |
| 108 | | |
| 109 | | /** |
| 110 | | * Implementation of hook_perm(). |
| 111 | | */ |
| 112 | | function block_perm() { |
| 113 | | return array( |
| 114 | | 'administer blocks' => t('Select which blocks are displayed, and arrange them on the page.'), |
| 115 | | 'use PHP for block visibility' => t('Enter PHP code in the field for block visibility settings. %warning', array('%warning' => t('Warning: Give to trusted roles only; this permission has security implications.'))), |
| 116 | | ); |
| 117 | | } |
| 118 | | |
| 119 | | /** |
| 120 | | * Implementation of hook_menu(). |
| 121 | | */ |
| 122 | | function block_menu() { |
| 123 | | $items['admin/build/block'] = array( |
| 124 | 1 | 'title' => 'Blocks', |
| 125 | | 'description' => 'Configure what block content appears in your site\'s sidebars and other regions.', |
| 126 | | 'page callback' => 'block_admin_display', |
| 127 | | 'access arguments' => array('administer blocks'), |
| 128 | | 'file' => 'block.admin.inc', |
| 129 | | ); |
| 130 | | $items['admin/build/block/list'] = array( |
| 131 | 1 | 'title' => 'List', |
| 132 | | 'type' => MENU_DEFAULT_LOCAL_TASK, |
| 133 | | 'weight' => -10, |
| 134 | | ); |
| 135 | | $items['admin/build/block/list/js'] = array( |
| 136 | 1 | 'title' => 'JavaScript List Form', |
| 137 | | 'page callback' => 'block_admin_display_js', |
| 138 | | 'type' => MENU_CALLBACK, |
| 139 | | 'file' => 'block.admin.inc', |
| 140 | | ); |
| 141 | | $items['admin/build/block/configure'] = array( |
| 142 | 1 | 'title' => 'Configure block', |
| 143 | | 'page callback' => 'drupal_get_form', |
| 144 | | 'page arguments' => array('block_admin_configure'), |
| 145 | | 'type' => MENU_CALLBACK, |
| 146 | | 'file' => 'block.admin.inc', |
| 147 | | ); |
| 148 | | $items['admin/build/block/delete'] = array( |
| 149 | 1 | 'title' => 'Delete block', |
| 150 | | 'page callback' => 'drupal_get_form', |
| 151 | | 'page arguments' => array('block_box_delete'), |
| 152 | | 'type' => MENU_CALLBACK, |
| 153 | | 'file' => 'block.admin.inc', |
| 154 | | ); |
| 155 | | $items['admin/build/block/add'] = array( |
| 156 | 1 | 'title' => 'Add block', |
| 157 | | 'page callback' => 'drupal_get_form', |
| 158 | | 'page arguments' => array('block_add_block_form'), |
| 159 | | 'type' => MENU_LOCAL_TASK, |
| 160 | | 'file' => 'block.admin.inc', |
| 161 | | ); |
| 162 | 1 | $default = variable_get('theme_default', 'garland'); |
| 163 | 1 | foreach (list_themes() as $key => $theme) { |
| 164 | | $items['admin/build/block/list/'. $key] = array( |
| 165 | 1 | 'title' => check_plain($theme->info['name']), |
| 166 | | 'page arguments' => array($key), |
| 167 | | 'type' => $key == $default ? MENU_DEFAULT_LOCAL_TASK : MENU_LOCAL_TASK, |
| 168 | | 'weight' => $key == $default ? -10 : 0, |
| 169 | | 'file' => 'block.admin.inc', |
| 170 | | 'access callback' => '_block_themes_access', |
| 171 | | 'access arguments' => array($theme), |
| 172 | | ); |
| 173 | | } |
| 174 | 1 | return $items; |
| 175 | | } |
| 176 | | |
| 177 | | /** |
| 178 | | * Menu item access callback - only admin or enabled themes can be accessed |
| 179 | | */ |
| 180 | | function _block_themes_access($theme) { |
| 181 | | return user_access('administer blocks') && ($theme->status || $theme->name == variable_get('admin_theme', '0')); |
| 182 | | } |
| 183 | | |
| 184 | | /** |
| 185 | | * Implementation of hook_block(). |
| 186 | | * |
| 187 | | * Generates the administrator-defined blocks for display. |
| 188 | | */ |
| 189 | | function block_block($op = 'list', $delta = 0, $edit = array()) { |
| 190 | | switch ($op) { |
| 191 | | case 'list': |
| 192 | | $blocks = array(); |
| 193 | | |
| 194 | | $result = db_query('SELECT bid, info FROM {boxes} ORDER BY info'); |
| 195 | | while ($block = db_fetch_object($result)) { |
| 196 | | $blocks[$block->bid]['info'] = $block->info; |
| 197 | | // Not worth caching. |
| 198 | | $blocks[$block->bid]['cache'] = BLOCK_NO_CACHE; |
| 199 | | } |
| 200 | | return $blocks; |
| 201 | | |
| 202 | | case 'configure': |
| 203 | | $box = array('format' => FILTER_FORMAT_DEFAULT); |
| 204 | | if ($delta) { |
| 205 | | $box = block_box_get($delta); |
| 206 | | } |
| 207 | | if (filter_access($box['format'])) { |
| 208 | | return block_box_form($box); |
| 209 | | } |
| 210 | | break; |
| 211 | | |
| 212 | | case 'save': |
| 213 | | block_box_save($edit, $delta); |
| 214 | | break; |
| 215 | | |
| 216 | | case 'view': |
| 217 | | $block = db_fetch_object(db_query('SELECT body, format FROM {boxes} WHERE bid = %d', $delta)); |
| 218 | | $data['content'] = check_markup($block->body, $block->format, FALSE); |
| 219 | | return $data; |
| 220 | | } |
| 221 | | } |
| 222 | | |
| 223 | | /** |
| 224 | | * Update the 'blocks' DB table with the blocks currently exported by modules. |
| 225 | | * |
| 226 | | * @return |
| 227 | | * Blocks currently exported by modules. |
| 228 | | */ |
| 229 | | function _block_rehash() { |
| 230 | | global $theme_key; |
| 231 | | |
| 232 | | init_theme(); |
| 233 | | |
| 234 | | $result = db_query("SELECT * FROM {blocks} WHERE theme = '%s'", $theme_key); |
| 235 | | $old_blocks = array(); |
| 236 | | while ($old_block = db_fetch_array($result)) { |
| 237 | | $old_blocks[$old_block['module']][$old_block['delta']] = $old_block; |
| 238 | | } |
| 239 | | |
| 240 | | $blocks = array(); |
| 241 | | // Valid region names for the theme. |
| 242 | | $regions = system_region_list($theme_key); |
| 243 | | |
| 244 | | foreach (module_list() as $module) { |
| 245 | | $module_blocks = module_invoke($module, 'block', 'list'); |
| 246 | | if ($module_blocks) { |
| 247 | | foreach ($module_blocks as $delta => $block) { |
| 248 | | if (empty($old_blocks[$module][$delta])) { |
| 249 | | // If it's a new block, add identifiers. |
| 250 | | $block['module'] = $module; |
| 251 | | $block['delta'] = $delta; |
| 252 | | $block['theme'] = $theme_key; |
| 253 | | if (!isset($block['pages'])) { |
| 254 | | // {block}.pages is type 'text', so it cannot have a |
| 255 | | // default value, and not null, so we need to provide |
| 256 | | // value if the module did not. |
| 257 | | $block['pages'] = ''; |
| 258 | | } |
| 259 | | // Add defaults and save it into the database. |
| 260 | | drupal_write_record('blocks', $block); |
| 261 | | // Set region to none if not enabled. |
| 262 | | $block['region'] = $block['status'] ? $block['region'] : BLOCK_REGION_NONE; |
| 263 | | // Add to the list of blocks we return. |
| 264 | | $blocks[] = $block; |
| 265 | | } |
| 266 | | else { |
| 267 | | // If it's an existing block, database settings should overwrite |
| 268 | | // the code. But aside from 'info' everything that's definable in |
| 269 | | // code is stored in the database and we do not store 'info', so we |
| 270 | | // do not need to update the database here. |
| 271 | | // Add 'info' to this block. |
| 272 | | $old_blocks[$module][$delta]['info'] = $block['info']; |
| 273 | | // If the region name does not exist, disable the block and assign it to none. |
| 274 | | if (!empty($old_blocks[$module][$delta]['region']) && !isset($regions[$old_blocks[$module][$delta]['region']])) { |
| 275 | | drupal_set_message(t('The block %info was assigned to the invalid region %region and has been disabled.', array('%info' => $old_blocks[$module][$delta]['info'], '%region' => $old_blocks[$module][$delta]['region'])), 'warning'); |
| 276 | | $old_blocks[$module][$delta]['status'] = 0; |
| 277 | | $old_blocks[$module][$delta]['region'] = BLOCK_REGION_NONE; |
| 278 | | } |
| 279 | | else { |
| 280 | | $old_blocks[$module][$delta]['region'] = $old_blocks[$module][$delta]['status'] ? $old_blocks[$module][$delta]['region'] : BLOCK_REGION_NONE; |
| 281 | | } |
| 282 | | // Add this block to the list of blocks we return. |
| 283 | | $blocks[] = $old_blocks[$module][$delta]; |
| 284 | | // Remove this block from the list of blocks to be deleted. |
| 285 | | unset($old_blocks[$module][$delta]); |
| 286 | | } |
| 287 | | } |
| 288 | | } |
| 289 | | } |
| 290 | | |
| 291 | | // Remove blocks that are no longer defined by the code from the database. |
| 292 | | foreach ($old_blocks as $module => $old_module_blocks) { |
| 293 | | foreach ($old_module_blocks as $delta => $block) { |
| 294 | | db_query("DELETE FROM {blocks} WHERE module = '%s' AND delta = '%s' AND theme = '%s'", $module, $delta, $theme_key); |
| 295 | | } |
| 296 | | } |
| 297 | | return $blocks; |
| 298 | | } |
| 299 | | |
| 300 | | function block_box_get($bid) { |
| 301 | | return db_fetch_array(db_query("SELECT bx.*, bl.title FROM {boxes} bx INNER JOIN {blocks} bl ON bx.bid = bl.delta WHERE bl.module = 'block' AND bx.bid = %d", $bid)); |
| 302 | | } |
| 303 | | |
| 304 | | /** |
| 305 | | * Define the custom block form. |
| 306 | | */ |
| 307 | | function block_box_form($edit = array()) { |
| 308 | | $edit += array( |
| 309 | | 'info' => '', |
| 310 | | 'body' => '', |
| 311 | | ); |
| 312 | | $form['info'] = array( |
| 313 | | '#type' => 'textfield', |
| 314 | | '#title' => t('Block description'), |
| 315 | | '#default_value' => $edit['info'], |
| 316 | | '#maxlength' => 64, |
| 317 | | '#description' => t('A brief description of your block. Used on the <a href="@overview">block overview page</a>.', array('@overview' => url('admin/build/block'))), |
| 318 | | '#required' => TRUE, |
| 319 | | '#weight' => -19, |
| 320 | | ); |
| 321 | | $form['body_field']['#weight'] = -17; |
| 322 | | $form['body_field']['body'] = array( |
| 323 | | '#type' => 'textarea', |
| 324 | | '#title' => t('Block body'), |
| 325 | | '#default_value' => $edit['body'], |
| 326 | | '#rows' => 15, |
| 327 | | '#description' => t('The content of the block as shown to the user.'), |
| 328 | | '#weight' => -17, |
| 329 | | ); |
| 330 | | if (!isset($edit['format'])) { |
| 331 | | $edit['format'] = FILTER_FORMAT_DEFAULT; |
| 332 | | } |
| 333 | | $form['body_field']['format'] = filter_form($edit['format'], -16); |
| 334 | | |
| 335 | | return $form; |
| 336 | | } |
| 337 | | |
| 338 | | function block_box_save($edit, $delta) { |
| 339 | | if (!filter_access($edit['format'])) { |
| 340 | | $edit['format'] = FILTER_FORMAT_DEFAULT; |
| 341 | | } |
| 342 | | |
| 343 | | db_query("UPDATE {boxes} SET body = '%s', info = '%s', format = %d WHERE bid = %d", $edit['body'], $edit['info'], $edit['format'], $delta); |
| 344 | | |
| 345 | | return TRUE; |
| 346 | | } |
| 347 | | |
| 348 | | /** |
| 349 | | * Implementation of hook_user(). |
| 350 | | * |
| 351 | | * Allow users to decide which custom blocks to display when they visit |
| 352 | | * the site. |
| 353 | | */ |
| 354 | | function block_user($type, $edit, &$account, $category = NULL) { |
| 355 | | switch ($type) { |
| 356 | 1 | case 'form': |
| 357 | | if ($category == 'account') { |
| 358 | | $rids = array_keys($account->roles); |
| 359 | | $result = db_query("SELECT DISTINCT b.* FROM {blocks} b LEFT JOIN {blocks_roles} r ON b.module = r.module AND b.delta = r.delta WHERE b.status = 1 AND b.custom != 0 AND (r.rid IN (". db_placeholders($rids) .") OR r.rid IS NULL) ORDER BY b.weight, b.module", $rids); |
| 360 | | $form['block'] = array('#type' => 'fieldset', '#title' => t('Block configuration'), '#weight' => 3, '#collapsible' => TRUE, '#tree' => TRUE); |
| 361 | | while ($block = db_fetch_object($result)) { |
| 362 | | $data = module_invoke($block->module, 'block', 'list'); |
| 363 | | if ($data[$block->delta]['info']) { |
| 364 | | $return = TRUE; |
| 365 | | $form['block'][$block->module][$block->delta] = array('#type' => 'checkbox', '#title' => check_plain($data[$block->delta]['info']), '#default_value' => isset($account->block[$block->module][$block->delta]) ? $account->block[$block->module][$block->delta] : ($block->custom == 1)); |
| 366 | | } |
| 367 | | } |
| 368 | | |
| 369 | | if (!empty($return)) { |
| 370 | | return $form; |
| 371 | | } |
| 372 | | } |
| 373 | | |
| 374 | | break; |
| 375 | 1 | case 'validate': |
| 376 | | if (empty($edit['block'])) { |
| 377 | | $edit['block'] = array(); |
| 378 | | } |
| 379 | | return $edit; |
| 380 | | } |
| 381 | | } |
| 382 | | |
| 383 | | /** |
| 384 | | * Return all blocks in the specified region for the current user. |
| 385 | | * |
| 386 | | * @param $region |
| 387 | | * The name of a region. |
| 388 | | * |
| 389 | | * @return |
| 390 | | * An array of block objects, indexed with <i>module</i>_<i>delta</i>. |
| 391 | | * If you are displaying your blocks in one or two sidebars, you may check |
| 392 | | * whether this array is empty to see how many columns are going to be |
| 393 | | * displayed. |
| 394 | | * |
| 395 | | * @todo |
| 396 | | * Now that the blocks table has a primary key, we should use that as the |
| 397 | | * array key instead of <i>module</i>_<i>delta</i>. |
| 398 | | */ |
| 399 | | function block_list($region) { |
| 400 | | static $blocks = array(); |
| 401 | | |
| 402 | | if (!count($blocks)) { |
| 403 | | $blocks = _block_load_blocks(); |
| 404 | | } |
| 405 | | |
| 406 | | // Create an empty array if there were no entries |
| 407 | | if (!isset($blocks[$region])) { |
| 408 | | $blocks[$region] = array(); |
| 409 | | } |
| 410 | | |
| 411 | | $blocks[$region] = _block_render_blocks($blocks[$region]); |
| 412 | | |
| 413 | | return $blocks[$region]; |
| 414 | | } |
| 415 | | |
| 416 | | /** |
| 417 | | * Load blocks information from the database |
| 418 | | */ |
| 419 | | function _block_load_blocks() { |
| 420 | | global $user, $theme_key; |
| 421 | | |
| 422 | | $blocks = array(); |
| 423 | | $rids = array_keys($user->roles); |
| 424 | | $result = db_query(db_rewrite_sql("SELECT DISTINCT b.* FROM {blocks} b LEFT JOIN {blocks_roles} r ON b.module = r.module AND b.delta = r.delta WHERE b.theme = '%s' AND b.status = 1 AND (r.rid IN (". db_placeholders($rids) .") OR r.rid IS NULL) ORDER BY b.region, b.weight, b.module", 'b', 'bid'), array_merge(array($theme_key), $rids)); |
| 425 | | while ($block = db_fetch_object($result)) { |
| 426 | | if (!isset($blocks[$block->region])) { |
| 427 | | $blocks[$block->region] = array(); |
| 428 | | } |
| 429 | | // Use the user's block visibility setting, if necessary |
| 430 | | if ($block->custom != 0) { |
| 431 | | if ($user->uid && isset($user->block[$block->module][$block->delta])) { |
| 432 | | $enabled = $user->block[$block->module][$block->delta]; |
| 433 | | } |
| 434 | | else { |
| 435 | | $enabled = ($block->custom == 1); |
| 436 | | } |
| 437 | | } |
| 438 | | else { |
| 439 | | $enabled = TRUE; |
| 440 | | } |
| 441 | | |
| 442 | | // Match path if necessary |
| 443 | | if ($block->pages) { |
| 444 | | if ($block->visibility < 2) { |
| 445 | | $path = drupal_get_path_alias($_GET['q']); |
| 446 | | // Compare with the internal and path alias (if any). |
| 447 | | $page_match = drupal_match_path($path, $block->pages); |
| 448 | | if ($path != $_GET['q']) { |
| 449 | | $page_match = $page_match || drupal_match_path($_GET['q'], $block->pages); |
| 450 | | } |
| 451 | | // When $block->visibility has a value of 0, the block is displayed on |
| 452 | | // all pages except those listed in $block->pages. When set to 1, it |
| 453 | | // is displayed only on those pages listed in $block->pages. |
| 454 | | $page_match = !($block->visibility xor $page_match); |
| 455 | | } |
| 456 | | else { |
| 457 | | $page_match = drupal_eval($block->pages); |
| 458 | | } |
| 459 | | } |
| 460 | | else { |
| 461 | | $page_match = TRUE; |
| 462 | | } |
| 463 | | $block->enabled = $enabled; |
| 464 | | $block->page_match = $page_match; |
| 465 | | $blocks[$block->region]["{$block->module}_{$block->delta}"] = $block; |
| 466 |