Transition Helper Module

This module was created to share code snippets for use in a presentation about building approval systems on top of Workflows in Drupal. This code will definitely not completely work without modification.

Index of snippets referenced in the presentation

1. Service To Get Transition Id When Saving Entity:
   • src/TransitionHelper.php
   • transition_helper.services.yml
2. Removing or Modifying a Workflow Button
   • transition_helper.module
3. Creating a mail message
   • snippets/Message Stack/MessageCreator.php -- A sample method for creating, populating, and sending an email message with the Message stack.
4. AJAX Dialog
   • snippets/AJAX Dialog/dialog.routing.yml The routing file to define the controller which responds to the AJAX trigger
   • snippets/AJAX Dialog/src/Form/ApprovalForm.php The Original form with an AJAX trigger on the reject button
   • snippets/AJAX Dialog/src/Form/ModalForm.php The Modal form served by the controller.
   • snippets/AJAX Dialog/src/Controller/ModalFormApprovalsController.php The controller