[postr] Only show save/quit confirmation if unsaved

[Germán Poó Caamaño <gpoo src gnome org>]

commit aaad4ecb754be28e85bdb4505724223a805c04c4
Author: David Ignacio <deignacio gmail com>
Date:   Sun Nov 8 03:00:05 2009 -0300

    Only show save/quit confirmation if unsaved
    
    Only show save/quit confirmation dialog if the model
    has unsaved data.
    
    Signed-off-by: Germán Póo-Caamaño <gpoo gnome org>

 src/ImageStore.py |   11 +++++++++++
 src/postr.py      |    4 +++-
 2 files changed, 14 insertions(+), 1 deletions(-)
---
diff --git a/src/ImageStore.py b/src/ImageStore.py
index 563f4df..c74b9fe 100644
--- a/src/ImageStore.py
+++ b/src/ImageStore.py
@@ -48,3 +48,14 @@ class ImageStore (gtk.ListStore):
                                gtk.TreeIter, # COL_PRIVACY
                                gtk.TreeIter, # COL_SAFETY
                                gobject.TYPE_BOOLEAN) # COL_VISIBLE
+        self._dirty = False
+        self.connect("row-changed", self._on_row_changed)
+
+    def dirty(self):
+        return self._dirty
+
+    def markClean(self):
+        self._dirty = False
+
+    def _on_row_changed(self, model, path, iter):
+        self._dirty = self.iter_n_children(None) > 0
diff --git a/src/postr.py b/src/postr.py
index ef59c1d..188b663 100644
--- a/src/postr.py
+++ b/src/postr.py
@@ -408,7 +408,7 @@ class Postr(UniqueApp):
                 return True
             elif response == gtk.RESPONSE_ACCEPT:
                 self.save_upload_set()
-        elif self.is_connected and self.model.iter_n_children(None) > 0:
+        elif self.is_connected and self.model.iter_n_children(None) > 0 and self.model.dirty():
             dialog = gtk.MessageDialog(type=gtk.MESSAGE_WARNING, parent=self.window)
             dialog.add_buttons(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
                                gtk.STOCK_SAVE, gtk.RESPONSE_ACCEPT,
@@ -954,6 +954,8 @@ class Postr(UniqueApp):
                 iter = self.model.iter_next(iter)
 
             dest.close()
+            self.model.markClean()
+
         dialog.destroy()
 
     def _marshal_row(self, path, iter):