# HG changeset patch
# User Sascha L. Teichmann <teichmann@intevation.de>
# Date 1292410525 -3600
# Node ID f44f808e7d47172bf673903da581d103f3d3bae3
# Parent  e4759cc8f5e7cae74872b405752f44da96fe6769
Make getan runnable if there is no project in database.

diff -r e4759cc8f5e7 -r f44f808e7d47 ChangeLog
--- a/ChangeLog	Wed Dec 15 11:37:46 2010 +0100
+++ b/ChangeLog	Wed Dec 15 11:55:25 2010 +0100
@@ -1,3 +1,10 @@
+2010-12-15	Sascha L. Teichmann <sascha.teichmann@intevation.de>
+
+	Make getan runnable if there is no project in database.
+
+	* getan.py, getan/states.py, getan/view.py: Various checks
+	  to ensure you really have a project.
+
 2010-12-15	Sascha L. Teichmann <sascha.teichmann@intevation.de>
 
 	* getan/backend.py: Create database file if it does
diff -r e4759cc8f5e7 -r f44f808e7d47 getan.py
--- a/getan.py	Wed Dec 15 11:37:46 2010 +0100
+++ b/getan.py	Wed Dec 15 11:55:25 2010 +0100
@@ -26,7 +26,10 @@
         self.pv_class = pv_class
 
         self.projects = backend.load_projects()
-        entries       = backend.load_entries(self.projects[0].id)
+        if self.projects:
+            entries = backend.load_entries(self.projects[0].id)
+        else:
+            entries = []
         self.running  = []
 
         self.backend      = backend
@@ -119,6 +122,7 @@
         return None
 
     def start_project(self, project):
+        if not project: return
         self.running.append(project)
         project.start = datetime.now()
         logger.info("Start project '%s' at %s."
@@ -128,6 +132,7 @@
 
     def stop_project(self, desc='-no description-'):
         project = self.running.pop()
+        if not project: return
         logger.info("Stop project '%s' at %s."
                     % (project.desc, format_time(datetime.now())))
         project.stop = datetime.now()
diff -r e4759cc8f5e7 -r f44f808e7d47 getan/states.py
--- a/getan/states.py	Wed Dec 15 11:37:46 2010 +0100
+++ b/getan/states.py	Wed Dec 15 11:55:25 2010 +0100
@@ -138,6 +138,7 @@
 
     def handle_signal(self, signum, frame):
         proj = self.view.item_in_focus()
+        if not proj: return
         if not self.break_start:
             self.controller.view.set_footer_text(self.msg('running') %
                                                  (human_time(self.sec),
@@ -179,11 +180,12 @@
             return self
         if ' ' in key and self.break_start:
             self.view._total_time()
-            proj             = self.view.item_in_focus()
-            proj.start      += datetime.now() - self.break_start
-            self.break_start = None
-            signal.signal(signal.SIGALRM, self.handle_signal)
-            signal.alarm(1)
+            proj = self.view.item_in_focus()
+            if proj:
+                proj.start += datetime.now() - self.break_start
+                self.break_start = None
+                signal.signal(signal.SIGALRM, self.handle_signal)
+                signal.alarm(1)
         return self
 
     def stop(self):
diff -r e4759cc8f5e7 -r f44f808e7d47 getan/view.py
--- a/getan/view.py	Wed Dec 15 11:37:46 2010 +0100
+++ b/getan/view.py	Wed Dec 15 11:55:25 2010 +0100
@@ -54,7 +54,9 @@
         return len(self.rows)
 
     def item_in_focus(self):
-        return self.rows[self.focused].get_item()
+        if self.rows:
+            return self.rows[self.focused].get_item()
+        return None
 
     def up(self):
         logger.debug("ListWidget: navigate to upper row.")
@@ -69,6 +71,7 @@
             self.update_focus(self.focused, self.focused-1)
 
     def select(self):
+        if not self.rows: return None
         node = self.rows[self.focused]
         logger.debug("ListWidget: select row '%s'" % self.focused)
         node.select()
@@ -182,6 +185,7 @@
         self._total_time()
 
     def _total_time(self):
+        if not self.rows: return
         logger.debug("ProjectList: update projects total time.")
         total = 0
         for proj in self.rows: