Enable/disable the data entry panel as required.

src/data_entry_panel.py

@@ -30,8 +30,8 @@ class DataEntryPanel(Gtk.VBox):
       
       Gtk.VBox.__init__(self, spacing=2)
 
+      # Create label:entry pairs and store them in a dictionary
       self.sources = {}
-
       field_names = parent.logbook.SELECTED_FIELD_NAMES_TYPES.keys()
       for i in range(0, len(field_names)):
          hbox_temp = Gtk.HBox(spacing=2)
@@ -40,27 +40,27 @@ class DataEntryPanel(Gtk.VBox):
          hbox_temp.pack_start(self.sources[field_names[i]], True, True, 0)
          self.pack_start(hbox_temp, False, False, 0)
 
-      self.store = Gtk.Button("Store Data")
-      self.store.connect("clicked", parent.edit_record_callback)
-      self.pack_start(self.store, expand=False, fill=True, padding=2)
+      self.update = Gtk.Button("Update Record")
+      self.update.connect("clicked", parent.update_record_callback)
+      self.pack_start(self.update, expand=False, fill=True, padding=2)
 
       hbox_parent.pack_start(self, False, False, 0)
 
       return
 
    def enable(self):
-      # Activates all text boxes and the "Store data" button
+      # Activates all text boxes and the update button
       keys = self.sources.keys()
       for i in range(0, len(keys)):
          self.sources[keys[i]].set_property("editable", True)
          self.sources[keys[i]].set_can_focus(True)
-      self.store.set_sensitive(True)
+      self.update.set_sensitive(True)
 
    def disable(self):
-      # Deactivates all text boxes and the "Store data" button
+      # Deactivates all text boxes and the update button
       keys = self.sources.keys()
       for i in range(0, len(keys)):
          self.sources[keys[i]].set_property("editable", False)
          self.sources[keys[i]].set_can_focus(False)
-      self.store.set_sensitive(False)
+      self.update.set_sensitive(False)
 

src/logbook.py

@@ -132,6 +132,9 @@ class Logbook(Gtk.ListStore):
       self.remove(iter)
       self.check_consistency()
       return
+
+   def get_number_of_records(self):
+      return len(self.records)
       
    def check_consistency(self):
       # Make sure all the record indices are consecutive and 

src/pyqso.py

@@ -44,7 +44,7 @@ class PyQSO(Gtk.Window):
       vbox_outer = Gtk.VBox()
       self.add(vbox_outer)
       
-      # Create a new Logbook so we can add/remove/edit Record objects
+      # Create a Logbook so we can add/remove/edit Record objects
       self.logbook = Logbook()
 
       # Set up menu bar and populate it
@@ -90,6 +90,12 @@ class PyQSO(Gtk.Window):
       
    def add_record_callback(self, widget):
       self.logbook.add_record()
+      self.data_entry_panel.enable()
+      
+      # The current row is now the new Record's row.
+      selection = self.treeview.get_selection()
+      selection.select_path(self.logbook.get_number_of_records()-1)
+
       return
       
    def delete_record_callback(self, widget):
@@ -112,9 +118,13 @@ class PyQSO(Gtk.Window):
          self.logbook.delete_record(iter, index)
          
       dialog.destroy()
+
+      if(self.logbook.get_number_of_records() == 0):
+         self.data_entry_panel.disable()
+
       return
 
-   def edit_record_callback(self, widget):
+   def update_record_callback(self, widget):
       
       #TODO: Validate user input!