3 files changed, 8 insertions, 8 deletions

diff --git a/gui.py b/gui.py
index c40c0fc..c7fd839 100644
--- a/gui.py
+++ b/gui.py
@@ -125,7 +125,7 @@ loss')
             filename_column = gtk.CellRendererText()
             column = gtk.TreeViewColumn(j, filename_column, text=i + 1)
             column.set_sort_column_id(i + 1)
-            if i is 0:
+            if i is 0:  # place tooltip on this column
                 tips = TreeViewTooltips(column)
                 tips.add_view(treeview)
             treeview.append_column(column)
@@ -192,7 +192,7 @@ loss')
         '''
         chooser = gtk.FileChooserDialog(
             title='Choose files',
-            parent=None,
+            parent=self.window,
             action=gtk.FILE_CHOOSER_ACTION_OPEN,
             buttons=(gtk.STOCK_OK, 0, gtk.STOCK_CANCEL, 1))
         chooser.set_default_response(0)
diff --git a/lib/images.py b/lib/images.py
index 9fa9999..d090015 100644
--- a/lib/images.py
+++ b/lib/images.py
@@ -7,7 +7,7 @@ import parser
 
 class JpegStripper(parser.GenericParser):
     '''
-        Represents a .jpeg file
+        represents a jpeg file
     '''
     def _should_remove(self, field):
         '''
@@ -23,7 +23,7 @@ class JpegStripper(parser.GenericParser):
 
 class PngStripper(parser.GenericParser):
     '''
-        Represents a .png file
+        represents a png file
     '''
     def _should_remove(self, field):
         '''
diff --git a/lib/mat.py b/lib/mat.py
index 80d5c66..23255d5 100644
--- a/lib/mat.py
+++ b/lib/mat.py
@@ -33,8 +33,8 @@ STRIPPERS = {
     'audio/mpeg': audio.MpegAudioStripper,
     'image/jpeg': images.JpegStripper,
     'image/png': images.PngStripper,
-    'application/vnd.oasis.opendocument': office.OpenDocumentStripper,
-    'application/vnd.openxmlformats-officedocument': office.OpenXmlStripper,
+    'application/opendocument': office.OpenDocumentStripper,
+    'application/officeopenxml': office.OpenXmlStripper,
 }
 
 try:
@@ -146,9 +146,9 @@ def create_class_file(name, backup, add2archive):
         mime = mimetypes.guess_type(name)[0]
 
     if mime.startswith('application/vnd.oasis.opendocument'):
-        mime = 'application/vnd.oasis.opendocument'  # opendocument fileformat
+        mime = 'application/opendocument'  # opendocument fileformat
     elif mime.startswith('application/vnd.openxmlformats-officedocument'):
-        mime = 'application/vnd.openxmlformats-officedocument'
+        mime = 'application/officeopenxml'  # office openxml
 
     try:
         stripper_class = STRIPPERS[mime]