function workflow_actions_hook_info in Workflow 6

Same name and namespace in other branches

1. 6.2 workflow_actions/workflow_actions.module \workflow_actions_hook_info()

Implementation of hook_hook_info(). Expose each transition as a hook.

File

workflow_actions/workflow_actions.module, line 300

Provide actions and triggers for workflows. Why it's own module? Some sites prefer rules, some prefer actions, all prefer a lower code footprint and better performance. Additional creadit to gcassie ( http://drupal.org/user/80260 ) for the…

Code

function workflow_actions_hook_info() {
  $states = workflow_get_states();
  if (!$states) {
    return;
  }
  $trigger_page = substr($_GET['q'], 0, 28) == 'admin/build/trigger/workflow';
  if ($trigger_page && ($wid = arg(4))) {
    $result = db_query("SELECT tm.type, w.wid, w.name, ws.state, wt.tid, wt.sid, wt.target_sid FROM {workflow_type_map} tm LEFT JOIN {workflows} w ON tm.wid = w.wid LEFT JOIN {workflow_states} ws ON w.wid = ws.wid LEFT JOIN {workflow_transitions} wt ON ws.sid = wt.sid WHERE w.wid = %d AND wt.target_sid IS NOT NULL ORDER BY tm.type, ws.weight", $wid);
  }
  else {
    $result = db_query("SELECT tm.type, w.wid, w.name, ws.state, wt.tid, wt.sid, wt.target_sid FROM {workflow_type_map} tm LEFT JOIN {workflows} w ON tm.wid = w.wid LEFT JOIN {workflow_states} ws ON w.wid = ws.wid LEFT JOIN {workflow_transitions} wt ON ws.sid = wt.sid WHERE wt.target_sid IS NOT NULL ORDER BY tm.type, ws.weight");
  }
  while ($data = db_fetch_object($result)) {
    $pseudohooks['workflow-' . $data->type . '-' . $data->tid] = array(
      'runs when' => t('When %type moves from %state to %target_state', array(
        '%type' => $data->type,
        '%state' => $states[$data->sid],
        '%target_state' => $states[$data->target_sid],
      )),
    );
  }

  // $pseudohooks will not be set if no workflows have been assigned
  // to node types.
  if (isset($pseudohooks)) {
    return array(
      'workflow' => array(
        'workflow' => $pseudohooks,
      ),
    );
  }
  if ($trigger_page) {
    drupal_set_message(t('Either no transitions have been set up or this workflow has not yet been assigned to a content type. To enable the assignment of actions, edit the workflow to assign permissions for roles to do transitions. After that is completed, transitions will appear here and you will be able to assign actions to them.'));
  }
}