2 files changed, 20 insertions, 15 deletions
diff --git a/system/admin/filesystem.go b/system/admin/filesystem.go
index 4e64a26..77c721e 100644
--- a/system/admin/filesystem.go
+++ b/system/admin/filesystem.go
@@ -1,13 +1,12 @@
 package admin
 
 import (
-    "net/http"
+	"net/http"
 	"os"
 )
 
-
 func restrict(dir http.Dir) justFilesFilesystem {
-    return justFilesFilesystem{dir}
+	return justFilesFilesystem{dir}
 }
 
 // the code below removes the open directory listing when accessing a URL which
@@ -16,21 +15,21 @@ func restrict(dir http.Dir) justFilesFilesystem {
 // credit: Brad Fitzpatrick (c) 2012
 
 type justFilesFilesystem struct {
-    fs http.FileSystem
+	fs http.FileSystem
 }
 
 func (fs justFilesFilesystem) Open(name string) (http.File, error) {
-    f, err := fs.fs.Open(name)
-    if err != nil {
-        return nil, err
-    }
-    return neuteredReaddirFile{f}, nil
+	f, err := fs.fs.Open(name)
+	if err != nil {
+		return nil, err
+	}
+	return neuteredReaddirFile{f}, nil
 }
 
 type neuteredReaddirFile struct {
-    http.File
+	http.File
 }
 
 func (f neuteredReaddirFile) Readdir(count int) ([]os.FileInfo, error) {
-    return nil, nil
+	return nil, nil
 }
diff --git a/system/admin/handlers.go b/system/admin/handlers.go
index 38ce41d..7b8bfae 100644
--- a/system/admin/handlers.go
+++ b/system/admin/handlers.go
@@ -908,7 +908,7 @@ func postsHandler(res http.ResponseWriter, req *http.Request) {
 			b.Write(post)
 		}
 	}
-	
+
 	html += `<ul class="posts row">`
 
 	b.Write([]byte(`</ul></div></div>`))
@@ -947,7 +947,14 @@ func adminPostListItem(e editor.Editable, typeName, status string) []byte {
 	s, ok := e.(editor.Sortable)
 	if !ok {
 		log.Println("Content type", typeName, "doesn't implement editor.Sortable")
-		post := `<li class="col s12">Error retreiving data. Your data type doesn't implement necessary interfaces.</li>`
+		post := `<li class="col s12">Error retreiving data. Your data type doesn't implement necessary interfaces. (editor.Sortable)</li>`
+		return []byte(post)
+	}
+
+	i, ok := e.(content.Identifiable)
+	if !ok {
+		log.Println("Content type", typeName, "doesn't implement content.Identifiable")
+		post := `<li class="col s12">Error retreiving data. Your data type doesn't implement necessary interfaces. (content.Identifiable)</li>`
 		return []byte(post)
 	}
 
@@ -957,7 +964,7 @@ func adminPostListItem(e editor.Editable, typeName, status string) []byte {
 	updatedTime := upTime.Format("01/02/06 03:04 PM")
 	publishTime := tsTime.Format("01/02/06")
 
-	cid := fmt.Sprintf("%d", s.ItemID())
+	cid := fmt.Sprintf("%d", i.ItemID())
 
 	switch status {
 	case "public", "":
@@ -1200,7 +1207,6 @@ func editHandler(res http.ResponseWriter, req *http.Request) {
 				return
 			}
 			s.SetItemID(-1)
-
 		}
 
 		m, err := manager.Manage(post.(editor.Editable), t)