[longomatch] Finish implementation of the postions tagger widget

[Andoni Morales Alastruey <amorales src gnome org>]

commit 9c0b40348e6b218ef1b7e55e5d4b5d947e4ce455
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Thu Jun 19 12:48:45 2014 +0200

    Finish implementation of the postions tagger widget

 LongoMatch.Drawing/Widgets/PositionTagger.cs |   61 ++++++++++++++++++++------
 1 files changed, 47 insertions(+), 14 deletions(-)
---
diff --git a/LongoMatch.Drawing/Widgets/PositionTagger.cs b/LongoMatch.Drawing/Widgets/PositionTagger.cs
index 175f6f8..60cd37f 100644
--- a/LongoMatch.Drawing/Widgets/PositionTagger.cs
+++ b/LongoMatch.Drawing/Widgets/PositionTagger.cs
@@ -31,11 +31,13 @@ namespace LongoMatch.Drawing.Widgets
        {
        
                public event ShowTaggerMenuHandler ShowMenuEvent;
-               List<Play> plays;
+               Play playSelected;
 
                public PositionTagger (IWidget widget): base (widget)
                {
                        Accuracy = Common.TAGGER_POINT_SIZE + 3;
+                       EmitSignals = true;
+                       SelectionMode = MultiSelectionMode.MultipleWithModifier;
                }
                
                public PositionTagger (IWidget widget, List<Play> plays, Image background, FieldPositionType 
position): base (widget)
@@ -45,12 +47,31 @@ namespace LongoMatch.Drawing.Widgets
                        FieldPosition = position;
                }
                
-               FieldPositionType FieldPosition {
+               public FieldPositionType FieldPosition {
+                       get;
+                       set;
+               }
+
+               public bool EmitSignals {
                        get;
                        set;
                }
                
                public void SelectPlay (Play play) {
+                       PositionObject po;
+                       
+                       if (play == playSelected) {
+                               playSelected = null;
+                               return;
+                       }
+                       playSelected = null;
+                       ClearSelection ();
+                       var tpo = Objects.FirstOrDefault (o => (o as PositionObject).Play == play);
+                       if (tpo != null) {
+                               po = tpo as PositionObject;
+                               po.Selected = true;
+                               widget.ReDraw ();
+                       }
                }
                
                public List<Point> Points {
@@ -62,26 +83,38 @@ namespace LongoMatch.Drawing.Widgets
                
                public List<Play> Plays {
                        set {
-                               plays = value;
+                               Objects.Clear ();
                                foreach (Play p in value) {
-                                       Coordinates coords = p.CoordinatesInFieldPosition (FieldPosition);
-                                       
-                                       Objects.Clear ();
-                                       if (coords == null)
-                                               continue;
-                                       
-                                       PositionObject po = new PositionObject (coords.Points,
-                                                                               Background.Width, 
Background.Height);
-                                       po.Play = p;
-                                       Objects.Add (po);
+                                       AddPlay (p);
                                }
                        }
                }
+               
+               public void AddPlay(Play play) {
+                       PositionObject po;
+                       Coordinates coords;
+                       
+                       coords = play.CoordinatesInFieldPosition (FieldPosition);
+                       if (coords == null)
+                               return;
+                       
+                       po = new PositionObject (coords.Points, Background.Width,
+                                                Background.Height);
+                       po.Play = play;
+                       Objects.Add (po);
+               }
+
+               public void RemovePlays(List<Play> plays) {
+                       Objects.RemoveAll (o => plays.Contains((o as PositionObject).Play));
+               }
 
                protected override void SelectionChanged (List<Selection> selections) {
                        if (selections.Count > 0) {
                                Play p = (selections.Last().Drawable as PositionObject).Play;
-                               Config.EventsBroker.EmitPlaySelected (p);
+                               playSelected = p;
+                               if (EmitSignals) {
+                                       Config.EventsBroker.EmitPlaySelected (p);
+                               }
                        }
                }