danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Install, update and uninstall functions for the dashboard module.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements hook_disable().
danielebarchiesi@0:  *
danielebarchiesi@0:  * Stash a list of blocks enabled on the dashboard, so they can be re-enabled
danielebarchiesi@0:  * if the dashboard is re-enabled. Then disable those blocks, since the
danielebarchiesi@0:  * dashboard regions will no longer be defined.
danielebarchiesi@0:  */
danielebarchiesi@0: function dashboard_disable() {
danielebarchiesi@0:   // Stash a list of currently enabled blocks.
danielebarchiesi@0:   $stashed_blocks = array();
danielebarchiesi@0: 
danielebarchiesi@0:   $result = db_select('block', 'b')
danielebarchiesi@0:     ->fields('b', array('module', 'delta', 'region'))
danielebarchiesi@0:     ->condition('b.region', dashboard_regions(), 'IN')
danielebarchiesi@0:     ->execute();
danielebarchiesi@0: 
danielebarchiesi@0:   foreach ($result as $block) {
danielebarchiesi@0:     $stashed_blocks[] = array(
danielebarchiesi@0:       'module' => $block->module,
danielebarchiesi@0:       'delta' => $block->delta,
danielebarchiesi@0:       'region' => $block->region,
danielebarchiesi@0:     );
danielebarchiesi@0:   }
danielebarchiesi@0:   variable_set('dashboard_stashed_blocks', $stashed_blocks);
danielebarchiesi@0: 
danielebarchiesi@0:   // Disable the dashboard blocks.
danielebarchiesi@0:   db_update('block')
danielebarchiesi@0:     ->fields(array(
danielebarchiesi@0:       'status' => 0,
danielebarchiesi@0:       'region' => BLOCK_REGION_NONE,
danielebarchiesi@0:     ))
danielebarchiesi@0:     ->condition('region', dashboard_regions(), 'IN')
danielebarchiesi@0:     ->execute();
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements hook_enable().
danielebarchiesi@0:  *
danielebarchiesi@0:  * Restores blocks to the dashboard that were there when the dashboard module
danielebarchiesi@0:  * was disabled.
danielebarchiesi@0:  */
danielebarchiesi@0: function dashboard_enable() {
danielebarchiesi@0:   global $theme_key;
danielebarchiesi@0:   if (!$stashed_blocks = variable_get('dashboard_stashed_blocks')) {
danielebarchiesi@0:     return;
danielebarchiesi@0:   }
danielebarchiesi@0:   if (!$admin_theme = variable_get('admin_theme')) {
danielebarchiesi@0:     drupal_theme_initialize();
danielebarchiesi@0:     $admin_theme = $theme_key;
danielebarchiesi@0:   }
danielebarchiesi@0:   foreach ($stashed_blocks as $block) {
danielebarchiesi@0:     db_update('block')
danielebarchiesi@0:       ->fields(array(
danielebarchiesi@0:         'status' => 1,
danielebarchiesi@0:         'region' => $block['region']
danielebarchiesi@0:       ))
danielebarchiesi@0:       ->condition('module', $block['module'])
danielebarchiesi@0:       ->condition('delta', $block['delta'])
danielebarchiesi@0:       ->condition('theme', $admin_theme)
danielebarchiesi@0:       ->condition('status', 0)
danielebarchiesi@0:       ->execute();
danielebarchiesi@0:   }
danielebarchiesi@0:   variable_del('dashboard_stashed_blocks');
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements hook_uninstall().
danielebarchiesi@0:  */
danielebarchiesi@0: function dashboard_uninstall() {
danielebarchiesi@0:   variable_del('dashboard_stashed_blocks');
danielebarchiesi@0: }