function page_manager_load_task_handlers

Load all task handlers for a given task/subtask.

File

page_manager/page_manager.module, line 525

Code

function page_manager_load_task_handlers($task, $subtask_id = NULL, $default_handlers = NULL) {
    ctools_include('export');
    $conditions = array(
        'task' => $task['name'],
    );
    if (isset($subtask_id)) {
        $conditions['subtask'] = $subtask_id;
    }
    $handlers = ctools_export_load_object('page_manager_handlers', 'conditions', $conditions);
    $defaults = isset($default_handlers) ? $default_handlers : page_manager_get_default_task_handlers($task, $subtask_id);
    foreach ($defaults as $name => $default) {
        $result = page_manager_compare_task_handlers($handlers, $defaults, $name);
        if ($result) {
            $handlers[$name] = $result;
            // Ensure task and subtask are correct, because it's easy to change task
            // names when editing a default and fail to do it on the associated handlers.
            $result->task = $task['name'];
            $result->subtask = $subtask_id;
        }
    }
    // Override weights from the weight table.
    if ($handlers) {
        $names = array();
        $placeholders = array();
        foreach ($handlers as $handler) {
            $names[] = $handler->name;
            $placeholders[] = "'%s'";
        }
        $result = db_query('SELECT name, weight FROM {page_manager_weights} WHERE name IN (:names)', array(
            ':names' => $names,
        ));
        foreach ($result as $weight) {
            $handlers[$weight->name]->weight = $weight->weight;
        }
    }
    return $handlers;
}