- simplify value change with only actual value, not the old one

- First tests with Scrollbar

1 files changed, 27 insertions, 9 deletions

diff --git a/src/GraphicObjects/GraphicObject.cs b/src/GraphicObjects/GraphicObject.cs
index 0944703f..5b896b53 100644
--- a/src/GraphicObjects/GraphicObject.cs
+++ b/src/GraphicObjects/GraphicObject.cs
@@ -19,8 +19,16 @@ using System.Xml;
 

 namespace go

 {

-	public class GraphicObject : IXmlSerializable, ILayoutable

+	public class GraphicObject : IXmlSerializable, ILayoutable, IValueChange

 	{

+		#region IValueChange implementation

+		public event EventHandler<ValueChangeEventArgs> ValueChanged;

+		void NotifyValueChanged(string MemberName, object _value)

+		{

+			ValueChanged.Raise(this, new ValueChangeEventArgs(MemberName, _value));			

+		}

+		#endregion

+

 		#region CTOR

 		public GraphicObject ()

 		{

@@ -115,7 +123,12 @@ namespace go
 		[XmlAttributeAttribute()][DefaultValue("unamed")]

 		public virtual string Name {

 			get { return _name; }

-			set { _name = value; }

+			set { 

+				if (_name == value)

+					return;

+				_name = value; 

+				NotifyValueChanged("Name", _verticalAlignment);

+			}

 		}

 		[XmlAttributeAttribute()][DefaultValue(VerticalAlignment.Center)]

 		public virtual VerticalAlignment VerticalAlignment {

@@ -125,14 +138,19 @@ namespace go
 					return;

 

 				_verticalAlignment = value; 

-

-//				if (Top > 0)

+				NotifyValueChanged("VerticalAlignment", _verticalAlignment);

 			}

 		}

 		[XmlAttributeAttribute()][DefaultValue(HorizontalAlignment.Center)]

 		public virtual HorizontalAlignment HorizontalAlignment {

 			get { return _horizontalAlignment; }

-			set { _horizontalAlignment = value; }

+			set { 

+				if (_horizontalAlignment == value)

+					return;

+

+				_horizontalAlignment = value; 

+				NotifyValueChanged("HorizontalAlignment", _horizontalAlignment);

+			}

 		}

 		[XmlAttributeAttribute()][DefaultValue(0)]

 		public virtual int Left {

@@ -142,7 +160,7 @@ namespace go
 					return;

 

 				Bounds.X = value;

-

+				NotifyValueChanged ("Left", Bounds.X);

 				this.RegisterForLayouting ((int)LayoutingType.X);

 			}

 		}

@@ -154,7 +172,7 @@ namespace go
 					return;

 

 				Bounds.Y = value;

-

+				NotifyValueChanged ("Top", Bounds.Y);

 				this.RegisterForLayouting ((int)LayoutingType.Y);

 			}

 		}

@@ -166,7 +184,7 @@ namespace go
 					return;

 

 				Bounds.Width = value;

-

+				NotifyValueChanged ("Width", Bounds.Width);

 				this.RegisterForLayouting ((int)LayoutingType.Width);

 			}

 		}

@@ -178,7 +196,7 @@ namespace go
 					return;

 

 				Bounds.Height = value;

-

+				NotifyValueChanged ("Height", Bounds.Height);

 				this.RegisterForLayouting ((int)LayoutingType.Height);

 			}

 		}