Now fills the original info for a movie file

Now detects if a file is not a video file and shows an error

Now the interface_manager class can manage treelists

src/devede/message.py

@@ -0,0 +1,47 @@
+# Copyright 2014 (C) Raster Software Vigo (Sergio Costas)
+#
+# This file is part of DeVeDe-NG
+#
+# DeVeDe-NG is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# DeVeDe-NG is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>
+
+from gi.repository import Gtk
+import os
+import devede.configuration_data
+
+class message_window:
+
+    def __init__(self,text,title,list_data = None):
+
+        self.config = devede.configuration_data.configuration.get_config()
+
+        builder = Gtk.Builder()
+        builder.set_translation_domain(self.config.gettext_domain)
+
+        builder.add_from_file(os.path.join(self.config.glade,"wmessage.ui"))
+        builder.connect_signals(self)
+        wmessage_window = builder.get_object("dialog_message")
+        wmessage_window.set_title(title)
+        wmessage_text = builder.get_object("label_message")
+        wmessage_text.set_markup(text)
+        wmessage_list = builder.get_object("list_message")
+        wmessage_liststore = builder.get_object("liststore_elements")
+        if (list_data == None):
+            wmessage_list.hide()
+        else:
+            for element in list_data:
+                wmessage_liststore.append([element])
+
+        wmessage_window.show_all()
+        wmessage_window.run()
+        wmessage_window.destroy()