[longomatch] Make the button itself inform about the new node

[Andoni Morales Alastruey <amorales src gnome org>]

commit 9f2b1800604aa665ca2664d5369bd14132b6d23b
Author: Jorge Zapata <jorgeluis zapata gmail com>
Date:   Tue Apr 14 13:10:54 2015 +0200

    Make the button itself inform about the new node
    
    This make it possible to generate nodes programatically instead
    of relying on the UI for that

 LongoMatch.Core/Store/DashboardButton.cs |   38 ++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch.Core/Store/DashboardButton.cs b/LongoMatch.Core/Store/DashboardButton.cs
index fe104b1..60090c2 100644
--- a/LongoMatch.Core/Store/DashboardButton.cs
+++ b/LongoMatch.Core/Store/DashboardButton.cs
@@ -178,9 +178,12 @@ namespace LongoMatch.Core.Store
        [Serializable]
        public class TimerButton: DashboardButton
        {
+               TimeNode currentNode;
+
                public TimerButton ()
                {
                        BackgroundColor = StyleConf.ButtonTimerColor;
+                       currentNode = null;
                }
 
                public Timer Timer {
@@ -198,6 +201,41 @@ namespace LongoMatch.Core.Store
                                }
                        }
                }
+
+               public void Start (Time start) {
+                       if (currentNode != null)
+                               return;
+
+                       if (Timer != null) {
+                               currentNode = Timer.Start (start);
+                       }
+               }
+
+               public void Stop (Time stop) {
+                       if (currentNode == null)
+                               return;
+
+                       if (Timer != null) {
+                               Timer.Stop (stop);
+                               Config.EventsBroker.EmitTimerNodeAddedEvent (this, currentNode);
+                               currentNode = null;
+                       }
+               }
+
+               public void Cancel () {
+                       if (currentNode == null)
+                               return;
+                       if (Timer != null) {
+                               Timer.CancelCurrent ();
+                               currentNode = null;
+                       }
+               }
+
+               public Time StartTime {
+                       get {
+                               return currentNode == null ? null : currentNode.Start;
+                       }
+               }
        }
 
        [Serializable]