default value for open-file

--HG--
branch : pmacs2

default.py

@@ -34,6 +34,10 @@ def current_working_dir(window):
         cwd += '/'
     return cwd
 
+def path_dirname(window):
+    if hasattr(window.buffer, 'path'):
+        return os.path.dirname(window.buffer.path) + '/'
+
 # default callback builders
 def build_constant(c):
     return lambda w: c

method/__init__.py

@@ -197,7 +197,8 @@ class RegexReplace(Method):
 # navigating between buffers
 class OpenFile(Method):
     '''Open file in a new buffer, or go to file's open buffer'''
-    args = [Argument('filename', datatype="path", prompt="Open File: ")]
+    args = [Argument('filename', datatype="path", prompt="Open File: ",
+                     default=default.path_dirname, load_default=True)]
     def _execute(self, w, **vargs):
         b = w.application.open_path(vargs['filename'])
         SwitchBuffer().execute(w, buffername=b.name())