[longomatch] Fix plays filtering

[Andoni Morales Alastruey <amorales src gnome org>]

commit 8aed845d8a3c0b9f05b8d06858e8cc874b11e274
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Sat Aug 11 12:24:03 2012 +0200

    Fix plays filtering

 LongoMatch.Core/Common/PlaysFilter.cs           |   14 ++++++++++++--
 LongoMatch.GUI/Gui/TreeView/ListTreeViewBase.cs |    7 +++++++
 2 files changed, 19 insertions(+), 2 deletions(-)
---
diff --git a/LongoMatch.Core/Common/PlaysFilter.cs b/LongoMatch.Core/Common/PlaysFilter.cs
index c52c2c4..1559b7a 100644
--- a/LongoMatch.Core/Common/PlaysFilter.cs
+++ b/LongoMatch.Core/Common/PlaysFilter.cs
@@ -100,9 +100,19 @@ namespace LongoMatch.Common
 			} else if (o is Category) {
 				return VisibleCategories.Contains(o as Category);
 			} else if (o is Play) {
+				bool cat_match, player_match;
 				Play play = o as Play;
-				return VisiblePlayers.Intersect(play.Players.GetTagsValues()).Count() != 0 &&
-					VisibleCategories.Contains(play.Category);
+				
+				cat_match = VisibleCategories.Contains(play.Category);
+				if (!cat_match)
+					return false;
+				
+				if (play.Players.Tags.Count == 0)
+					player_match = true;
+				else
+					player_match = VisiblePlayers.Intersect(play.Players.GetTagsValues()).Count() != 0;
+				
+				return player_match && cat_match;
 			} else {
 				return false;
 			}
diff --git a/LongoMatch.GUI/Gui/TreeView/ListTreeViewBase.cs b/LongoMatch.GUI/Gui/TreeView/ListTreeViewBase.cs
index 9146e24..02636b7 100644
--- a/LongoMatch.GUI/Gui/TreeView/ListTreeViewBase.cs
+++ b/LongoMatch.GUI/Gui/TreeView/ListTreeViewBase.cs
@@ -102,11 +102,17 @@ namespace LongoMatch.Gui.Component
 			set {
 				filter = value;
 				filter.FilterUpdated += OnFilterUpdated;
+				Refilter();
 			}
 			get {
 				return filter;
 			}
 		}
+		
+		public void Refilter() {
+			if (modelFilter != null)
+				modelFilter.Refilter();
+		}
 
 		new public TreeStore Model {
 			set {
@@ -342,6 +348,7 @@ namespace LongoMatch.Gui.Component
 		protected void OnTag(object obj, EventArgs args) {
 			if(TagPlay != null)
 				TagPlay((Play)GetValueFromPath(Selection.GetSelectedRows()[0]));
+			Refilter();
 		}
 
 		protected void OnSnapshot(object obj, EventArgs args) {