#16822: Display missing features in admin features view.

--HG--
branch : dev

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

@@ -44,10 +44,11 @@
                 }
                 var dependencies = (from d in feature.Descriptor.Dependencies
                                     select (from f in Model.Features where f.Descriptor.Id == d select f).SingleOrDefault()).Where(f => f != null).OrderBy(f => f.Descriptor.Name);                
-            @* todo: missingDependencies -- show them in a special way. Can be found like this:
                 var missingDependencies = feature.Descriptor.Dependencies
                     .Where(d => !Model.Features.Any(f => f.Descriptor.Id == d));
-             *@
+                if (showActions) {
+                    showActions = missingDependencies.Count() == 0;
+                }
             <li class="@featureClassName" id="@featureId" title="@T("{0} is {1}", Html.AttributeEncode(featureName), featureState)">
                 <div class="summary">
                     <div class="properties">
@@ -61,6 +62,11 @@
                         "dependency",
                         "")
                         </div>}
+                        @if (missingDependencies.Any()) {
+                        <div class="missingdependencies">
+                            <h4>@T("Missing:")</h4>
+                            @Html.UnorderedList(missingDependencies, (s, i) => MvcHtmlString.Create(s), "", "missingdependency", "")
+                        </div>}
                     </div>
                     <div class="actions">
                     @if (showActions) {

src/Orchard.Web/Modules/Orchard.Modules/styles/orchard-modules-admin.css

@@ -107,6 +107,24 @@
 .features .dependencies li:last-child::after {
     content:"";
 }
+.features .missingdependencies {
+    font-size:.9em;
+    color:Red;
+    margin:.44em 0 0;
+}
+.features .missingdependencies>* {
+    display:inline;
+}
+.features .missingdependencies li {
+    display:inline;
+    margin-left:.5em;
+}
+.features .missingdependencies li::after {
+    content:", ";
+}
+.features .missingdependencies li:last-child::after {
+    content:"";
+}
 .features .feature .actions {
     position:absolute;
     right:.4em;