current datset selection fix

system/navigator.py

@@ -3,12 +3,16 @@ import gtk
 import gobject
 import plots
 import logger
+import dataset
+import project
 
 class NavigatorView (gtk.TreeView):
-    def __init__(self, nav, app):
-        gtk.TreeView.__init__(self, nav)
-        self.navigator = nav
+    def __init__(self, project, app):
+        self.project = project
+        self.data_tree = project.data_tree
         self.app = app
+        
+        gtk.TreeView.__init__(self, self.data_tree)
 
         self.set_headers_visible(False)
         self.connect('row-activated', self.row_activated_handler)
@@ -20,8 +24,14 @@ class NavigatorView (gtk.TreeView):
         logger.log('debug', 'Initializing naviagor window')
 
     def row_activated_handler(self, widget, path, column):
-            
-        iter = self.navigator.get_iter(path)
-        object = self.navigator.get_value(iter, 2)
-        logger.log('notice', 'Button pressed')
-        self.app.change_plot(object)
+        iter = self.data_tree.get_iter(path)
+        obj = self.data_tree.get_value(iter, 2)
+        if isinstance(obj, plots.Plot):
+            logger.log('debug', 'Activating plot')
+            self.app.change_plot(obj)
+        elif isinstance(obj, dataset.Dataset):
+            logger.log('debug', 'Selecting dataset')
+            self.project.set_current_data(obj)
+        else:
+            t = type(obj)
+            logger.log('debug', 'Datatype was %s. Don\'t know what to do.' % t)