WorkflowWithDatasourceItemsAndChildren.cs

using Sitecore;
using Sitecore.ExperienceEditor.Utils;
using Sitecore.ExperienceEditor.WebEdit.Commands;
using Sitecore.Workflows.Simple;
using System.Linq;

namespace Helix.Skeleton.Foundation.ContentWorkflow.Commands
{
    public class WorkflowWithDatasourceItemsAndChildren : WorkflowWithDatasourceItems
    {
        protected new void WorkflowCompleteCallback(WorkflowPipelineArgs args)
        {
            base.WorkflowCompleteCallback(args);
            var datasources = ItemUtility.GetItemsFromLayoutDefinedDatasources(
                args.DataItem,
                Context.Device,
                args.DataItem.Language);

            foreach (var child in ItemUtility.FilterSameItems(datasources).SelectMany(d => d.Children))
            {
                if (child.Access.CanWrite() && (!child.Locking.IsLocked() || child.Locking.HasLock()))
                {
                    WorkflowUtility.ExecuteWorkflowCommandIfAvailable(
                        child,
                        args.CommandItem,
                        args.CommentFields);
                }
            }
        }
    }
}