[gnome-builder] tree: use ide_project_file_get_is_directory()

[Christian Hergert <chergert src gnome org>]

commit 23ae8cb77e0cc491457e7707b158cdc00281cc8d
Author: Christian Hergert <christian hergert me>
Date:   Wed Apr 8 21:16:28 2015 -0700

    tree: use ide_project_file_get_is_directory()

 src/editor/gb-project-tree-actions.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)
---
diff --git a/src/editor/gb-project-tree-actions.c b/src/editor/gb-project-tree-actions.c
index 133f473..bd4fd74 100644
--- a/src/editor/gb-project-tree-actions.c
+++ b/src/editor/gb-project-tree-actions.c
@@ -47,15 +47,12 @@ action_set (GActionGroup *group,
 }
 
 static gboolean
-is_project_file_not_directory (GObject *object)
+project_file_is_directory (GObject *object)
 {
-  GFileInfo *info;
-
   g_assert (!object || G_IS_OBJECT (object));
 
   return (IDE_IS_PROJECT_FILE (object) &&
-          (info = ide_project_file_get_file_info (IDE_PROJECT_FILE (object))) &&
-          (g_file_info_get_file_type (info) != G_FILE_TYPE_DIRECTORY));
+          ide_project_file_get_is_directory (IDE_PROJECT_FILE (object)));
 }
 
 static void
@@ -76,10 +73,10 @@ gb_project_tree_actions_update_actions (GbEditorWorkspace *editor)
     item = gb_tree_node_get_item (selection);
 
   action_set (group, "open",
-              "enabled", is_project_file_not_directory (item),
+              "enabled", !project_file_is_directory (item),
               NULL);
   action_set (group, "open-with-editor",
-              "enabled", is_project_file_not_directory (item),
+              "enabled", !project_file_is_directory (item),
               NULL);
   action_set (group, "open-containing-folder",
               "enabled", IDE_IS_PROJECT_FILE (item),