void adjustStretchedGo(LayoutingType lt)
{
if (stretchedGO == null)
{
return;
}
if (lt == LayoutingType.Width)
{
int newW = Math.Max(
this.ClientRectangle.Width - contentSize.Width - Spacing * (Children.Count - 1),
stretchedGO.MinimumSize.Width);
if (stretchedGO.MaximumSize.Width > 0)
{
newW = Math.Min(newW, stretchedGO.MaximumSize.Width);
}
if (newW != stretchedGO.Slot.Width)
{
stretchedGO.Slot.Width = newW;
stretchedGO.IsDirty = true;
#if DEBUG_LAYOUTING
Debug.WriteLine("\tAdjusting Width of " + stretchedGO.ToString());
#endif
stretchedGO.LayoutChanged -= OnChildLayoutChanges;
stretchedGO.OnLayoutChanges(LayoutingType.Width);
stretchedGO.LayoutChanged += OnChildLayoutChanges;
stretchedGO.LastSlots.Width = stretchedGO.Slot.Width;
}
}
else
{
int newH = Math.Max(
this.ClientRectangle.Height - contentSize.Height - Spacing * (Children.Count - 1),
stretchedGO.MinimumSize.Height);
if (stretchedGO.MaximumSize.Height > 0)
{
newH = Math.Min(newH, stretchedGO.MaximumSize.Height);
}
if (newH != stretchedGO.Slot.Height)
{
stretchedGO.Slot.Height = newH;
stretchedGO.IsDirty = true;
#if DEBUG_LAYOUTING
Debug.WriteLine("\tAdjusting Height of " + stretchedGO.ToString());
#endif
stretchedGO.LayoutChanged -= OnChildLayoutChanges;
stretchedGO.OnLayoutChanges(LayoutingType.Height);
stretchedGO.LayoutChanged += OnChildLayoutChanges;
stretchedGO.LastSlots.Height = stretchedGO.Slot.Height;
}
}
}
public override void OnChildLayoutChanges(object sender, LayoutingEventArgs arg)
{
GraphicObject go = sender as GraphicObject;
//Debug.WriteLine ("child layout change: " + go.LastSlots.ToString() + " => " + go.Slot.ToString());
switch (arg.LayoutType)
{
case LayoutingType.Width:
if (Orientation == Orientation.Horizontal)
{
if (go.Width == Measure.Stretched)
{
if (stretchedGO == null && Width != Measure.Fit)
{
stretchedGO = go;
}
else if (stretchedGO != go)
{
go.Slot.Width = 0;
go.Width = Measure.Fit;
return;
}
}
else
{
contentSize.Width += go.Slot.Width - go.LastSlots.Width;
}
if (stretchedGO != null)
{
int newW = Math.Max(
this.ClientRectangle.Width - contentSize.Width - Spacing * (Children.Count - 1),
stretchedGO.MinimumSize.Width);
if (stretchedGO.MaximumSize.Width > 0)
{
newW = Math.Min(newW, stretchedGO.MaximumSize.Width);
}
if (newW != stretchedGO.Slot.Width)
{
stretchedGO.Slot.Width = newW;
stretchedGO.bmp = null;
#if DEBUG_LAYOUTING
Debug.WriteLine("\tAdjusting Width of " + stretchedGO.ToString());
#endif
stretchedGO.LayoutChanged -= OnChildLayoutChanges;
stretchedGO.OnLayoutChanges(LayoutingType.Width);
stretchedGO.LayoutChanged += OnChildLayoutChanges;
stretchedGO.LastSlots.Width = stretchedGO.Slot.Width;
}
}
if (Width == Measure.Fit)
{
this.RegisterForLayouting(LayoutingType.Width);
}
this.RegisterForLayouting(LayoutingType.ArrangeChildren);
return;
}
break;
case LayoutingType.Height:
if (Orientation == Orientation.Vertical)
{
if (go.Height == Measure.Stretched)
{
if (stretchedGO == null && Height != Measure.Fit)
{
stretchedGO = go;
}
else if (stretchedGO != go)
{
go.Slot.Height = 0;
go.Height = Measure.Fit;
return;
}
}
else
{
contentSize.Height += go.Slot.Height - go.LastSlots.Height;
}
if (stretchedGO != null)
{
int newH = Math.Max(
this.ClientRectangle.Height - contentSize.Height - Spacing * (Children.Count - 1),
stretchedGO.MinimumSize.Height);
if (stretchedGO.MaximumSize.Height > 0)
{
newH = Math.Min(newH, stretchedGO.MaximumSize.Height);
}
if (newH != stretchedGO.Slot.Height)
{
stretchedGO.Slot.Height = newH;
stretchedGO.bmp = null;
#if DEBUG_LAYOUTING
Debug.WriteLine("\tAdjusting Height of " + stretchedGO.ToString());
#endif
stretchedGO.LayoutChanged -= OnChildLayoutChanges;
stretchedGO.OnLayoutChanges(LayoutingType.Height);
stretchedGO.LayoutChanged += OnChildLayoutChanges;
stretchedGO.LastSlots.Height = stretchedGO.Slot.Height;
}
}
if (Height == Measure.Fit)
{
this.RegisterForLayouting(LayoutingType.Height);
}
this.RegisterForLayouting(LayoutingType.ArrangeChildren);
return;
}
break;
}
base.OnChildLayoutChanges(sender, arg);
}