* The New project toolbar button now works. A druid will display the

available workflows and ask you to select one of them. There are still
   a couple of unresolved issues, but it works, so i upload it to ease
   the use of the program.

system/workflow.py

@@ -10,8 +10,9 @@ class Workflow:
     task.
     """
 
+    name = "Workflow"
+
     def __init__(self, app):
-        self.name = ''
         self.stages = []
         self.stages_by_id = {}
         self.app = app
@@ -30,6 +31,12 @@ class Workflow:
     def add_project(self,project):
         self.project = project
 
+class EmptyWorkflow(Workflow):
+    name = 'Empty Workflow'
+
+    def __init__(self, app):
+        Workflow.__init__(self, None)
+    
 class Stage:
     """A stage is a part of the data analysis process.
 
@@ -70,7 +77,9 @@ class WorkflowView (gtk.VBox):
     def __init__(self, wf):
         gtk.VBox.__init__(self)
         self.workflow = wf
+        self.setup_workflow(wf)
 
+    def setup_workflow(self, wf):
         # Add stage in the process
         for stage in wf.stages:
             exp = gtk.Expander(stage.name)
@@ -90,6 +99,19 @@ class WorkflowView (gtk.VBox):
             exp.show()
             self.pack_start(exp, expand=False, fill=False)
 
+    def remove_workflow(self):
+        print self.get_children()
+        for c in self.get_children():
+            c.hide()
+            self.remove(c)
+
+    def set_workflow(self, workflow):
+        self.workflow = workflow
+        self.remove_workflow()
+        self.setup_workflow(workflow)
+        print workflow
+        logger.log('notice', 'Created new workflow')
+
     def run_function(self, function):
         logger.log('debug', 'Starting function: %s' % function.name)
         project = self.workflow.app.project