added filter for open in satellites dialog

app/eparser/satxml.py

@@ -7,8 +7,6 @@ from xml.dom.minidom import parse, Document
 
 from app.eparser.__constants import POLARIZATION, FEC, SYSTEM, MODULATION, PLS_MODE
 
-__FILE_NAME = "satellites.xml"
-
 Satellite = namedtuple("Satellite", ["name", "flags", "position", "transponders"])
 
 Transponder = namedtuple("Transponder", ["frequency", "symbol_rate", "polarization", "fec_inner",
@@ -37,7 +35,7 @@ __COMMENT = ("   File was created in DemonEditor\n\n"
 
 
 def get_satellites(path):
-    return parse_satellites(path + "satellites.xml")
+    return parse_satellites(path)
 
 
 def write_satellites(satellites, data_path):
@@ -71,7 +69,7 @@ def write_satellites(satellites, data_path):
                 transponder_child.setAttribute("is_id", tr.is_id)
             sat_child.appendChild(transponder_child)
         root.appendChild(sat_child)
-    doc.writexml(open(data_path + __FILE_NAME, "w"),
+    doc.writexml(open(data_path, "w"),
                  # indent="",
                  addindent="    ",
                  newl='\n',

app/ui/satellites_dialog.glade

@@ -285,7 +285,7 @@
                             <property name="can_focus">False</property>
                             <property name="use_underline">True</property>
                             <property name="use_stock">True</property>
-                            <signal name="activate" handler="on_open" object="satellites_editor_tree_view" swapped="no"/>
+                            <signal name="activate" handler="on_open" object="satellites_tree_store" swapped="no"/>
                           </object>
                         </child>
                         <child>

app/ui/satellites_dialog.py

@@ -19,7 +19,7 @@ class SatellitesDialog:
     _aggr = [None for x in range(9)]  # aggregate
 
     def __init__(self, transient, options):
-        self._data_path = options["data_dir_path"]
+        self._data_path = options["data_dir_path"] + "satellites.xml"
         self._options = options
 
         handlers = {"on_open": self.on_open,
@@ -73,10 +73,22 @@ class SatellitesDialog:
         self.destroy()
 
     def on_open(self, model):
-        response = show_dialog(dialog_type=DialogType.CHOOSER, transient=self._dialog, options=self._options)
-        if response != Gtk.ResponseType.CANCEL:
-            self._data_path = response
-            self.on_satellites_list_load(model)
+        file_filter = Gtk.FileFilter()
+        file_filter.add_pattern("satellites.xml")
+        file_filter.set_name("satellites.xml")
+        response = show_dialog(dialog_type=DialogType.CHOOSER,
+                               transient=self._dialog,
+                               options=self._options,
+                               action_type=Gtk.FileChooserAction.OPEN,
+                               file_filter=file_filter)
+        if response == Gtk.ResponseType.CANCEL:
+            return
+
+        if not str(response).endswith("satellites.xml"):
+            show_dialog(DialogType.ERROR, self._dialog, text="No satellites.xml file is selected!")
+            return
+        self._data_path = response
+        self.on_satellites_list_load(model)
 
     @staticmethod
     def on_row_activated(view, path, column):