Fix the action item in explorer, it should not be sorted

Author: kivutar

menu/menu_test.go

@@ -114,7 +114,7 @@ func Test_buildExplorer(t *testing.T) {
 	os.Create(tmp + "File 1.txt")
 	os.Create(tmp + "File 2.img")
 	os.Create(tmp + "File 3.txt")
-	os.Create(tmp + "File 4.img")
+	os.Create(tmp + "File 4.img") // this entry will be pushed at the end by sort+prettify
 	os.Create(tmp + "File 5.txt")
 	os.Create(tmp + "File 6.txt")
 	os.Create(tmp + "File 7.txt")
@@ -158,14 +158,14 @@ func Test_buildExplorer(t *testing.T) {
 	})
 
 	t.Run("Targeted files have OK callbacks", func(t *testing.T) {
-		children[3].callbackOK()
+		children[2].callbackOK()
 		if exec != 1 {
 			t.Errorf("buildExplorer = %v, want %v", exec, 1)
 		}
 	})
 
 	t.Run("Folders have folder icon", func(t *testing.T) {
-		if children[4].icon != "folder" {
+		if children[3].icon != "folder" {
 			t.Errorf("buildExplorer = %v, want %v", children[4].icon, "folder")
 		}
 	})
@@ -174,15 +174,15 @@ func Test_buildExplorer(t *testing.T) {
 		if len(menu.stack) != 1 {
 			t.Errorf("buildExplorer = %v, want %v", len(menu.stack), 1)
 		}
-		children[4].callbackOK()
+		children[3].callbackOK()
 		if len(menu.stack) != 2 {
 			t.Errorf("buildExplorer = %v, want %v", len(menu.stack), 2)
 		}
 	})
 
 	t.Run("Prettifier should work", func(t *testing.T) {
 		want := "IMAGE 4"
-		if children[3].label != want {
+		if children[4].label != want {
 			t.Errorf("buildExplorer = %v, want %v", children[3].label, want)
 		}
 	})

menu/scene_explorer.go

@@ -138,6 +138,15 @@ func buildExplorer(path string, exts []string, cb func(string), dirAction *entry
 	}
 
 	files, err := ioutil.ReadDir(path)
+
+	// Sort entries by their labels, ignoring case.
+	sort.SliceStable(files, func(i, j int) bool {
+		if prettifier != nil {
+			return strings.ToLower(prettifier(utils.FileName(files[i].Name()))) < strings.ToLower(prettifier(utils.FileName(files[j].Name())))
+		}
+		return strings.ToLower(utils.FileName(files[i].Name())) < strings.ToLower(utils.FileName(files[j].Name()))
+	})
+
 	if err != nil {
 		ntf.DisplayAndLog(ntf.Error, "Menu", err.Error())
 	}
@@ -158,11 +167,6 @@ func buildExplorer(path string, exts []string, cb func(string), dirAction *entry
 		appendNode(&list, fullPath, f.Name(), fi, exts, cb, dirAction, prettifier)
 	}
 
-	// Sort entries by their labels, ignoring case.
-	sort.SliceStable(list.children, func(i, j int) bool {
-		return strings.ToLower(list.children[i].label) < strings.ToLower(list.children[j].label)
-	})
-
 	buildIndexes(&list.entry)
 
 	if len(files) == 0 {