[chronojump] Fixed sprint treview not created at first sprint on session

[Xavier de Blas <xaviblas src gnome org>]

commit 28fbafa0b215b2d4017d1188b853f3fe5fd92749
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Apr 9 14:12:02 2018 +0200

    Fixed sprint treview not created at first sprint on session

 src/gui/sprint.cs |   41 +++++++++++++++++------------------------
 1 files changed, 17 insertions(+), 24 deletions(-)
---
diff --git a/src/gui/sprint.cs b/src/gui/sprint.cs
index 8a83a72..736cb18 100644
--- a/src/gui/sprint.cs
+++ b/src/gui/sprint.cs
@@ -38,7 +38,7 @@ public partial class ChronoJumpWindow
 
        private void createTreeView_runs_interval_sprint (Gtk.TreeView tv)
        {
-LogB.Information("SPRINT create a");
+               LogB.Information("SPRINT create START");
                UtilGtk.RemoveColumns(tv);
                button_sprint.Sensitive = false;
 
@@ -56,7 +56,6 @@ LogB.Information("SPRINT create a");
                                typeof (string), typeof (string));
                tv.Model = storeSprint;
 
-LogB.Information("SPRINT create b");
                if (currentSession == null || currentPerson == null)
                      return;
                
@@ -67,10 +66,8 @@ LogB.Information("SPRINT create b");
                string [] runsArray = SqliteRunInterval.SelectRuns(
                                false, currentSession.UniqueID, currentPerson.UniqueID, "");
 
-LogB.Information("SPRINT create c");
                foreach (string line in runsArray)
                {
-LogB.Information("SPRINT create d");
                        //[] lineSplit has run params
                        string [] lineSplit = line.Split(new char[] {':'});
 
@@ -95,48 +92,44 @@ LogB.Information("SPRINT create d");
                                Util.TrimDecimals(lineSplit[6], preferences.digitsNumber)
                        };
                        storeSprint.AppendValues (lineParams);
-LogB.Information("SPRINT create e");
                }
-LogB.Information("SPRINT create f");
+               LogB.Information("SPRINT create END");
        }
 
        public void addTreeView_runs_interval_sprint (RunInterval runI, RunType runIType)
        {
-LogB.Information("SPRINT add 0");
+               LogB.Information("SPRINT add START");
                if(storeSprint == null)
                {
                        createTreeView_runs_interval_sprint (treeview_runs_interval_sprint);
-LogB.Information("SPRINT add 2");
                        return;
                }
 
-LogB.Information("SPRINT add 3");
                string positions = getSprintPositions(
                                runI.DistanceInterval,          //distanceInterval. == -1 means variable 
distances
                                runI.IntervalTimesString,
                                runIType.DistancesString        //distancesString
                                );
-LogB.Information("SPRINT add 4");
                if(positions == "")
                        return;
 
-LogB.Information("SPRINT add 5");
                TreeIter iter = new TreeIter();
                bool iterOk = storeSprint.GetIterFirst(out iter);
-               if(iterOk) {
-                       iter = storeSprint.AppendValues (
-                                       runI.Type,
-                                       runI.UniqueID.ToString(),
-                                       positions,
-                                       getSplitTimes(runI.IntervalTimesString),
-                                       Util.TrimDecimals(runI.TimeTotal, preferences.digitsNumber)
-                                       );
+               if(! iterOk)
+                       iter = new TreeIter();
 
-                       //scroll treeview if needed
-                       TreePath path = storeSprint.GetPath (iter);
-                       treeview_runs_interval_sprint.ScrollToCell (path, null, true, 0, 0);
-               }
-LogB.Information("SPRINT add 6");
+               iter = storeSprint.AppendValues (
+                               runI.Type,
+                               runI.UniqueID.ToString(),
+                               positions,
+                               getSplitTimes(runI.IntervalTimesString),
+                               Util.TrimDecimals(runI.TimeTotal, preferences.digitsNumber)
+                               );
+
+               //scroll treeview if needed
+               TreePath path = storeSprint.GetPath (iter);
+               treeview_runs_interval_sprint.ScrollToCell (path, null, true, 0, 0);
+               LogB.Information("SPRINT add END");
        }
 
        private string getSprintPositions(double distanceInterval, string intervalTimesString, string 
distancesString)