[ocrfeeder] Add confirmation dialog when clearing a project

[Joaquim Manuel Pereira Rocha <jrocha src gnome org>]

commit 0da265e6d4f46ff0f424ac92c1d471fe09c87bfc
Author: Joaquim Rocha <jrocha igalia com>
Date:   Sun Feb 13 16:13:33 2011 +0100

    Add confirmation dialog when clearing a project

 src/ocrfeeder/studio/studioBuilder.py |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/ocrfeeder/studio/studioBuilder.py b/src/ocrfeeder/studio/studioBuilder.py
index 9ecf04d..d0b5e0f 100644
--- a/src/ocrfeeder/studio/studioBuilder.py
+++ b/src/ocrfeeder/studio/studioBuilder.py
@@ -338,7 +338,12 @@ class Studio:
             self.setProjectName(project_title)
 
     def clear(self, widget = None):
-        self.source_images_controler.clear()
+        dialog = widgetPresenter.QuestionDialog(_('Are you sure you want '
+                                                  'to clear the project?'))
+        response = dialog.run()
+        if response == gtk.RESPONSE_YES:
+            self.source_images_controler.clear()
+        dialog.destroy()
 
     def unpaper(self, widget = None):
         self.source_images_controler.unpaperTool()