Adding Orchard.DynamicForms.

src/Orchard.Web/Modules/Orchard.DynamicForms/Activities/FormSubmittedActivity.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Orchard.DynamicForms.Elements;
+using Orchard.Localization;
+using Orchard.Workflows.Models;
+using Orchard.Workflows.Services;
+
+namespace Orchard.DynamicForms.Activities {
+    public class FormSubmittedActivity : Event {
+
+        public const string EventName = "DynamicFormSubmitted";
+
+        public Localizer T { get; set; }
+
+        public override bool CanStartWorkflow {
+            get { return true; }
+        }
+
+        public override bool CanExecute(WorkflowContext workflowContext, ActivityContext activityContext) {
+            var state = activityContext.GetState<string>("DynamicForms");
+
+            // "" means 'any'.
+            if (String.IsNullOrEmpty(state)) {
+                return true;
+            }
+
+            var form = workflowContext.Tokens["DynamicForm"] as Form;
+
+            if (form == null) {
+                return false;
+            }
+
+            var formNames = state.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+            return formNames.Any(x => x == form.Name);
+        }
+
+        public override IEnumerable<LocalizedString> GetPossibleOutcomes(WorkflowContext workflowContext, ActivityContext activityContext) {
+            return new[] { T("Done") };
+        }
+
+        public override IEnumerable<LocalizedString> Execute(WorkflowContext workflowContext, ActivityContext activityContext) {
+            yield return T("Done");
+        }
+
+        public override string Form {
+            get {
+                return "SelectDynamicForms";
+            }
+        }
+
+        public override string Name {
+            get { return EventName; }
+        }
+
+        public override LocalizedString Category {
+            get { return T("Forms"); }
+        }
+
+        public override LocalizedString Description {
+            get { return T("A dynamic form is submitted."); }
+        }
+    }
+
+}

src/Orchard.Web/Modules/Orchard.DynamicForms/Activities/SelectDynamicForms.cs

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+using System;
+using System.Linq;
+using System.Web.Mvc;
+using Orchard.ContentManagement;
+using Orchard.DisplayManagement;
+using Orchard.Forms.Services;
+using Orchard.Localization;
+
+namespace Orchard.DynamicForms.Activities {
+    public class SelectDynamicForms : IFormProvider {
+        protected dynamic Shape { get; set; }
+        public Localizer T { get; set; }
+
+        public SelectDynamicForms(IShapeFactory shapeFactory) {
+            Shape = shapeFactory;
+            T = NullLocalizer.Instance;
+        }
+
+        public void Describe(DescribeContext context) {
+            context.Form("SelectDynamicForms", factory => {
+                var shape = (dynamic)factory;
+                 var form = shape.Form(
+                    Id: "AnyOfDynamicForms",
+                    _Parts: Shape.Textbox(
+                        Id: "dynamicforms",
+                        Name: "DynamicForms",
+                        Title: T("Dynamic Forms"),
+                        Description: T("Enter a comma separated list of dynamic form names. Leave empty to handle all forms."),
+                        Classes: new[] { "text", "large" })
+                    );
+
+                return form;
+            });
+
+        }
+    }
+}