Some work on the feature managment UI

- start of dependency aware feature disable/enable
- bit of a perf improvement when working with the available features list (thanks, ToList, as usual)

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Modules/Controllers/AdminController.cs

@@ -44,44 +44,12 @@ namespace Orchard.Modules.Controllers {
                                            });
         }
 
-        public ActionResult Features(FeaturesOptions options) {
+        public ActionResult Features() {
             if (!Services.Authorizer.Authorize(Permissions.ManageFeatures, T("Not allowed to manage features")))
                 return new HttpUnauthorizedResult();
 
             var features = _moduleService.GetAvailableFeatures();
-            return View(new FeaturesViewModel {Features = features, Options = options});
-        }
-
-        [HttpPost, ActionName("Features")]
-        [FormValueRequired("submit.BulkEdit")]
-        public ActionResult FeaturesPOST(FeaturesOptions options, IList<string> selection) {
-            if (selection != null && selection.Count > 0)
-            {
-                switch (options.BulkAction)
-                {
-                    case FeaturesBulkAction.None:
-                        break;
-                    case FeaturesBulkAction.Enable:
-                        if (!Services.Authorizer.Authorize(Permissions.ManageFeatures, T("Not allowed to enable features")))
-                            return new HttpUnauthorizedResult();
-                        _moduleService.EnableFeatures(selection);
-                        //todo: (heskew) need better messages
-                        //todo: (heskew) hmmm...need a helper to comma-separate all but last, which would get the " and " treatment...all localized, of course
-                        Services.Notifier.Information(T("{0} were enabled", string.Join(", ", selection.ToArray())));
-                        break;
-                    case FeaturesBulkAction.Disable:
-                        if (!Services.Authorizer.Authorize(Permissions.ManageFeatures, T("Not allowed to disable features")))
-                            return new HttpUnauthorizedResult();
-                        _moduleService.DisableFeatures(selection);
-                        //todo: (heskew) need better messages
-                        Services.Notifier.Information(T("{0} were disabled", string.Join(", ", selection.ToArray())));
-                        break;
-                    default:
-                        throw new ArgumentOutOfRangeException();
-                }
-            }
-
-            return RedirectToAction("Features");
+            return View(new FeaturesViewModel {Features = features});
         }
 
         [ValidateAntiForgeryTokenOrchard]
@@ -107,7 +75,7 @@ namespace Orchard.Modules.Controllers {
                 return new NotFoundResult();
 
             _moduleService.DisableFeatures(new[] { featureName });
-            Services.Notifier.Information(T("{0} was disabled", featureName));
+            //Services.Notifier.Information(T("{0} was disabled", featureName));
 
             return RedirectToAction("Features");
         }

src/Orchard.Web/Modules/Orchard.Modules/Services/ModuleService.cs

@@ -48,10 +48,11 @@ namespace Orchard.Modules.Services {
         }
 
         public IEnumerable<IModuleFeature> GetAvailableFeatures() {
-            var enabledFeatures = _shellDescriptorManager.GetShellDescriptor().EnabledFeatures;
+            var enabledFeatures = _shellDescriptorManager.GetShellDescriptor().EnabledFeatures.ToList();
             return GetInstalledModules()
                 .SelectMany(m => _extensionManager.LoadFeatures(m.Features))
-                .Select(f => AssembleModuleFromDescriptor(f, enabledFeatures.FirstOrDefault(sf => string.Equals(sf.Name, f.Descriptor.Name, StringComparison.OrdinalIgnoreCase)) != null));
+                .Select(f => AssembleModuleFromDescriptor(f, enabledFeatures.FirstOrDefault(sf => string.Equals(sf.Name, f.Descriptor.Name, StringComparison.OrdinalIgnoreCase)) != null))
+                .ToList();
         }
 
         public IEnumerable<Feature> GetAvailableFeaturesByModule(string moduleName) {
@@ -69,9 +70,20 @@ namespace Orchard.Modules.Services {
 
         public void DisableFeatures(IEnumerable<string> featureNames) {
             var shellDescriptor = _shellDescriptorManager.GetShellDescriptor();
-
             var enabledFeatures = shellDescriptor.EnabledFeatures.ToList();
-            enabledFeatures.RemoveAll(f => featureNames.Contains(f.Name));
+            var features = GetAvailableFeatures();
+
+            foreach (var featureName in featureNames) {
+                var feature = featureName;
+                var dependants = features.Where(f => f.IsEnabled && f.Descriptor.Dependencies != null && f.Descriptor.Dependencies.Contains(feature));
+
+                if (dependants.Count() == 0) {
+                    enabledFeatures.RemoveAll(f => f.Name == feature);
+                }
+                else {
+                    // list what else will be disabled with ok/cancel
+                }
+            }
 
             _shellDescriptorManager.UpdateShellDescriptor(shellDescriptor.SerialNumber, enabledFeatures, shellDescriptor.Parameters);
         }

src/Orchard.Web/Modules/Orchard.Modules/ViewModels/FeaturesViewModel.cs

@@ -4,16 +4,5 @@ using Orchard.Mvc.ViewModels;
 namespace Orchard.Modules.ViewModels {
     public class FeaturesViewModel : BaseViewModel {
         public IEnumerable<IModuleFeature> Features { get; set; }
-        public FeaturesOptions Options { get; set; }
-    }
-
-    public class FeaturesOptions {
-        public FeaturesBulkAction BulkAction { get; set; }
-    }
-
-    public enum FeaturesBulkAction {
-        None,
-        Enable,
-        Disable
     }
 }

src/Orchard.Web/Modules/Orchard.Modules/Views/Admin/Features.ascx

@@ -2,31 +2,18 @@
 <%@ Import Namespace="Orchard.Mvc.Html"%>
 <%@ Import Namespace="Orchard.Modules.ViewModels"%>
 <h1><%=Html.TitleForPage(T("Manage Features").ToString()) %></h1>
-<div class="manage" style="visibility:hidden"><%=Html.ActionLink(T("∞").ToString(), "Features", new { }, new { @class = "button primaryAction" })%></div>
-<% if (Model.Features.Count() > 0) {
-       
-using (Html.BeginFormAntiForgeryPost()) { %>
-    <%=Html.ValidationSummary()%>
-    <fieldset class="actions bulk">
-        <label for="publishActions"><%=_Encoded("Actions: ")%></label>
-        <select id="publishActions" name="<%=Html.NameOf(m => m.Options.BulkAction) %>">
-            <%=Html.SelectOption(Model.Options.BulkAction, FeaturesBulkAction.None, _Encoded("Choose action...").ToString())%>
-            <%=Html.SelectOption(Model.Options.BulkAction, FeaturesBulkAction.Enable, _Encoded("Enable").ToString())%>
-            <%=Html.SelectOption(Model.Options.BulkAction, FeaturesBulkAction.Disable, _Encoded("Disable").ToString())%>
-        </select>
-        <input class="button" type="submit" name="submit.BulkEdit" value="<%=_Encoded("Apply") %>" />
-    </fieldset>
-    <fieldset class="pageList">
+<% if (Model.Features.Count() > 0) { %>
 <ul class="contentItems"><%
-            foreach (var featureGroup in Model.Features.OrderBy(f => f.Descriptor.Category).GroupBy(f => f.Descriptor.Category)) { %>
-            <li<%=featureGroup == Model.Features.Last() ? " class=\"last\"" : "" %>>
+    var featureGroups = Model.Features.OrderBy(f => f.Descriptor.Category).GroupBy(f => f.Descriptor.Category);
+    foreach (var featureGroup in featureGroups) { %>
+    <li<%=featureGroup == featureGroups.Last() ? " class=\"last\"" : "" %>>
         <h2><%=Html.Encode(featureGroup.First().Descriptor.Category ?? T("Uncategorized")) %></h2>
         <ul><%
-                    foreach (var feature in featureGroup.OrderBy(f => f.Descriptor.Name)) {%>
-                    <li<%=feature == featureGroup.Last() ? " class=\"last\"" : "" %> id="<%=Html.Encode(feature.Descriptor.Name) %>">
+            var features = featureGroup.OrderBy(f => f.Descriptor.Name);
+            foreach (var feature in features) {%>
+            <li<%=feature == features.Last() ? " class=\"last\"" : "" %> id="<%=Html.Encode(feature.Descriptor.Name) %>">
                 <div class="summary">
                     <div class="properties">
-                                <input type="checkbox" name="selection" value="<%=Html.Encode(feature.Descriptor.Name) %>" />
                         <h3><%=Html.Encode(feature.Descriptor.Name) %></h3>
                         <ul class="pageStatus">
                             <li><%
@@ -45,10 +32,16 @@ using (Html.BeginFormAntiForgeryPost()) { %>
                         </ul>
                     </div>
                     <div class="related"><%
-                                if (feature.IsEnabled) { %>
-                                <a href="<%=Html.AntiForgeryTokenGetUrl(Url.Action("Disable", new { featureName = feature.Descriptor.Name, area = "Orchard.Modules" })) %>"><%=_Encoded("Disable") %></a><%
-                                } else { %>
-                                <a href="<%=Html.AntiForgeryTokenGetUrl(Url.Action("Enable", new { featureName = feature.Descriptor.Name, area = "Orchard.Modules" })) %>"><%=_Encoded("Enable") %></a><%
+                        if (feature.IsEnabled) {
+                        using (Html.BeginFormAntiForgeryPost(string.Format("{0}#{1}", Url.Action("Disable", new { area = "Orchard.Modules" }), Html.AttributeEncode(feature.Descriptor.Name)), FormMethod.Post, new {@class = "inline link"})) { %>
+                            <%=Html.Hidden("featureName", feature.Descriptor.Name) %>
+                            <button type="submit"><%=_Encoded("Disable") %></button><%
+                        }
+                        } else {
+                        using (Html.BeginFormAntiForgeryPost(string.Format("{0}#{1}", Url.Action("Enable", new { area = "Orchard.Modules" }), Html.AttributeEncode(feature.Descriptor.Name)), FormMethod.Post, new {@class = "inline link"})) { %>
+                            <%=Html.Hidden("featureName", feature.Descriptor.Name) %>
+                            <button type="submit"><%=_Encoded("Enable") %></button><%
+                        }
                         } %>
                     </div>
                 </div>
@@ -59,5 +52,3 @@ using (Html.BeginFormAntiForgeryPost()) { %>
     } %>
 </ul><%
 } %>   
-    </fieldset><%
-} %>