[hamster-applet] sped up treeview a little by detaching model on bigger operations and then reattaching again

[Toms Baugis <tbaugis src gnome org>]

commit dbd09d84fb6b4d29e1be5ed150c5470650ce53a4
Author: Toms Bauģis <toms baugis gmail com>
Date:   Sat Dec 19 21:06:55 2009 +0000

    sped up treeview a little by detaching model on bigger operations and then reattaching again

 hamster/stats_overview.py   |    2 ++
 hamster/widgets/facttree.py |   20 ++++++++++++--------
 2 files changed, 14 insertions(+), 8 deletions(-)
---
diff --git a/hamster/stats_overview.py b/hamster/stats_overview.py
index b2ac047..b8ef178 100644
--- a/hamster/stats_overview.py
+++ b/hamster/stats_overview.py
@@ -77,6 +77,7 @@ class OverviewBox(gtk.VBox):
 
     def fill_facts_tree(self, facts):
         facts = facts or runtime.storage.get_facts(self.start_date, self.end_date)
+        self.fact_tree.detach_model()
         
         self.fact_tree.clear()
         
@@ -94,6 +95,7 @@ class OverviewBox(gtk.VBox):
 
             self.fact_tree.add_group(fact_date, facts)
 
+        self.fact_tree.attach_model()
 
     def search(self, start_date, end_date, facts):
         self.start_date = start_date
diff --git a/hamster/widgets/facttree.py b/hamster/widgets/facttree.py
index 5db381a..d395717 100644
--- a/hamster/widgets/facttree.py
+++ b/hamster/widgets/facttree.py
@@ -83,8 +83,9 @@ class FactTree(gtk.TreeView):
         self.set_headers_visible(False)
         self.set_show_expanders(False)
 
+        self.store_model = gtk.TreeStore(int, str, str, str, str, str, gobject.TYPE_PYOBJECT)
         #id, caption, duration, date (invisible), description, category
-        self.set_model(gtk.TreeStore(int, str, str, str, str, str, gobject.TYPE_PYOBJECT))
+        self.set_model(self.store_model)
 
 
         # name
@@ -122,11 +123,7 @@ class FactTree(gtk.TreeView):
         self.show()
     
     def clear(self):
-        self.model.clear()
-        
-    @property
-    def model(self):
-        return self.get_model()
+        self.store_model.clear()
         
     def add_fact(self, fact, parent = None):
         duration = stuff.duration_minutes(fact["delta"]) / 60
@@ -137,7 +134,7 @@ class FactTree(gtk.TreeView):
         else:
             fact_time = fact["start_time"].strftime("%H:%M ")
 
-        self.model.append(parent, [fact["id"],
+        self.store_model.append(parent, [fact["id"],
                                    "%s %s" % (fact_time, fact["name"]),
                                    stuff.format_duration(fact["delta"]),
                                    fact["start_time"].strftime('%Y-%m-%d'),
@@ -149,7 +146,7 @@ class FactTree(gtk.TreeView):
         total = sum([stuff.duration_minutes(fact["delta"]) for fact in facts])
         
         # adds group of facts with the given label
-        group_row = self.model.append(None,
+        group_row = self.store_model.append(None,
                                     [-1,
                                      group_label,
                                      stuff.format_duration(total),
@@ -162,6 +159,13 @@ class FactTree(gtk.TreeView):
             self.add_fact(fact, group_row)
 
         self.expand_all()
+
+    def detach_model(self):
+        self.set_model()
+
+    def attach_model(self):
+        self.set_model(self.store_model)
+        self.expand_all()
         
     def get_selected_fact(self):
         selection = self.get_selection()