'page', 'title' => t('All polls'), 'admin title' => t('All polls'), 'admin description' => t('When enabled, this overrides the default Drupal behavior for the polls at /poll. If no variant is selected, the default Drupal most recent polls will be shown.'), 'admin path' => 'poll', // Menu hooks so that we can alter the node/%node menu entry to point to us. 'hook menu alter' => 'page_manager_poll_menu_alter', // This is task uses 'context' handlers and must implement these to give the // handler data it needs. 'handler type' => 'context', // Allow this to be enabled or disabled: 'disabled' => variable_get('page_manager_poll_disabled', TRUE), 'enable callback' => 'page_manager_poll_enable', ); } /** * Callback defined by page_manager_poll_page_manager_tasks(). * * Alter the node edit input so that node edit comes to us rather than the * normal node edit process. */ function page_manager_poll_menu_alter(&$items, $task) { if (variable_get('page_manager_poll_disabled', TRUE)) { return; } $callback = $items['poll']['page callback']; // Override the node edit handler for our purpose. if ($callback == 'poll_page' || variable_get('page_manager_override_anyway', FALSE)) { $items['poll']['page callback'] = 'page_manager_poll'; $items['poll']['file path'] = $task['path']; $items['poll']['file'] = $task['file']; } else { variable_set('page_manager_poll_disabled', TRUE); if (!empty($GLOBALS['page_manager_enabling_poll'])) { drupal_set_message(t('Page manager module is unable to enable poll because some other module already has overridden with %callback.', array('%callback' => $callback)), 'warning'); } return; } } /** * Entry point for our overridden node edit. * * This function asks its assigned handlers who, if anyone, would like * to run with it. If no one does, it passes through to Drupal core's * node edit, which is node_page_edit(). */ function page_manager_poll() { // Load my task plugin $task = page_manager_get_task('poll'); ctools_include('context'); ctools_include('context-task-handler'); $output = ctools_context_handler_render($task, '', array(), array()); if ($output !== FALSE) { return $output; } module_load_include('inc', 'poll', 'poll.pages'); $function = 'poll_page'; foreach (module_implements('page_manager_override') as $module) { $call = $module . '_page_manager_override'; if (($rc = $call('poll')) && function_exists($rc)) { $function = $rc; break; } } // Otherwise, fall back. return $function(); } /** * Callback to enable/disable the page from the UI. */ function page_manager_poll_enable($cache, $status) { variable_set('page_manager_poll_disabled', $status); // Set a global flag so that the menu routine knows it needs // to set a message if enabling cannot be done. if (!$status) { $GLOBALS['page_manager_enabling_poll'] = TRUE; } }