[longomatch] Fix new plays insertion in the correct iter

[Andoni Morales Alastruey <amorales src gnome org>]

commit 31dac64ddc3b8d1208e3e9a54174d96a54e84d39
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Fri Aug 29 19:00:18 2014 +0200

    Fix new plays insertion in the correct iter

 .../Gui/Component/PlaysListTreeWidget.cs           |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/LongoMatch.GUI/Gui/Component/PlaysListTreeWidget.cs 
b/LongoMatch.GUI/Gui/Component/PlaysListTreeWidget.cs
index b9b845c..f1b268d 100644
--- a/LongoMatch.GUI/Gui/Component/PlaysListTreeWidget.cs
+++ b/LongoMatch.GUI/Gui/Component/PlaysListTreeWidget.cs
@@ -40,6 +40,7 @@ namespace LongoMatch.Gui.Component
        {
 
                Project project;
+               Dictionary<TaggerButton, TreeIter> itersDic = new Dictionary<TaggerButton, TreeIter> ();
 
                public PlaysListTreeWidget()
                {
@@ -103,11 +104,12 @@ namespace LongoMatch.Gui.Component
 
                        var cat = play.Category;
                        var model = (TreeStore)treeview.Model;
-                       model.GetIterFromString(out categoryIter, CategoryPath(cat));
+                       categoryIter = itersDic[cat];
                        var playIter = model.AppendValues(categoryIter,play);
                        var playPath = model.GetPath(playIter);
                        treeview.Selection.UnselectAll();
                        treeview.ExpandToPath(playPath);
+                       treeview.ScrollToCell (playPath, null, true, 0, 0);
                        treeview.Selection.SelectIter(playIter);
                }
 
@@ -130,9 +132,9 @@ namespace LongoMatch.Gui.Component
                private TreeStore GetModel (Project project)
                {
                        Gtk.TreeIter iter;
-                       Dictionary<TaggerButton, TreeIter> itersDic = new Dictionary<TaggerButton, TreeIter> 
();
                        Gtk.TreeStore dataFileListStore = new Gtk.TreeStore (typeof(object));
 
+                       itersDic = new Dictionary<TaggerButton, TreeIter> ();
                        /* Add scores */
                        if (project.Categories.Scores.Count > 0) {
                                iter = dataFileListStore.AppendValues (
@@ -172,10 +174,6 @@ namespace LongoMatch.Gui.Component
                        return dataFileListStore;
                }
 
-               private string CategoryPath(TaggerButton cat) {
-                       return project.Categories.List.IndexOf(cat).ToString();
-               }
-               
                protected virtual void OnEditProperties(AnalysisCategory cat) {
                        EditCategoryDialog dialog = new EditCategoryDialog(project, cat);
                        dialog.Run();