/// <summary>
/// Size the background to fit the text, and position the ports at the edges
/// of the background object.
/// </summary>
/// <param name="childchanged"></param>
/// <remarks>
/// This method uses the <see cref="P:Northwoods.Go.GoTextNode.TopLeftMargin" /> and <see cref="P:Northwoods.Go.GoTextNode.BottomRightMargin" />
/// properties to decide how much bigger the background should be than the text label.
/// This method does nothing if there is no <see cref="P:Northwoods.Go.GoTextNode.Label" />.
/// If <see cref="P:Northwoods.Go.GoTextNode.AutoResizes" /> is false, the <see cref="P:Northwoods.Go.GoTextNode.Background" /> object is
/// not resized, but the <see cref="P:Northwoods.Go.GoTextNode.Label" />'s bounds and
/// <see cref="P:Northwoods.Go.GoText.WrappingWidth" /> are updated according to how much room is
/// left inside the <see cref="P:Northwoods.Go.GoTextNode.Background" /> after subtracting the margins.
/// </remarks>
public override void LayoutChildren(GoObject childchanged)
{
if (base.Initializing)
{
return;
}
GoText label = Label;
if (label == null)
{
return;
}
GoObject goObject = Background;
if (goObject != null)
{
SizeF topLeftMargin = TopLeftMargin;
SizeF bottomRightMargin = BottomRightMargin;
if (AutoResizes)
{
goObject.Bounds = new RectangleF(label.Left - topLeftMargin.Width, label.Top - topLeftMargin.Height, label.Width + topLeftMargin.Width + bottomRightMargin.Width, label.Height + topLeftMargin.Height + bottomRightMargin.Height);
}
else
{
float num = Math.Max(goObject.Width - (topLeftMargin.Width + bottomRightMargin.Width), 0f);
float num2 = Math.Max(goObject.Height - (topLeftMargin.Height + bottomRightMargin.Height), 0f);
label.Width = num;
label.WrappingWidth = num;
label.UpdateSize();
float num3 = Math.Min(label.Height, num2);
float x = goObject.Left + topLeftMargin.Width;
float y = goObject.Top + topLeftMargin.Height + (num2 - num3) / 2f;
label.Bounds = new RectangleF(x, y, num, num3);
}
}
if (goObject == null && AutoResizes)
{
goObject = label;
}
if (goObject != null)
{
if (TopPort != null)
{
TopPort.SetSpotLocation(32, goObject, 32);
}
if (RightPort != null)
{
RightPort.SetSpotLocation(64, goObject, 64);
}
if (BottomPort != null)
{
BottomPort.SetSpotLocation(128, goObject, 128);
}
if (LeftPort != null)
{
LeftPort.SetSpotLocation(256, goObject, 256);
}
}
}
/// <summary>
/// Position all of the left and right port objects at the sides of each of the items.
/// </summary>
/// <param name="childchanged"></param>
/// <remarks>
/// When <see cref="P:Northwoods.Go.GoObject.Initializing" /> is true, this method does nothing.
/// </remarks>
public override void LayoutChildren(GoObject childchanged)
{
if (!base.Initializing && myListGroup != null)
{
base.Initializing = true;
if (TopPort != null)
{
TopPort.SetSpotLocation(128, myListGroup, 32);
}
if (BottomPort != null)
{
BottomPort.SetSpotLocation(32, myListGroup, 128);
}
int num = 0;
foreach (GoObject item in myListGroup)
{
if (item != null && num < myLeftPorts.Count)
{
GoObject goObject = myLeftPorts[num];
if (goObject != null)
{
if (item.Visible)
{
PointF spotLocation = item.GetSpotLocation(256);
spotLocation.X = myListGroup.Left;
goObject.SetSpotLocation(64, spotLocation);
}
else
{
goObject.SetSpotLocation(64, new PointF(myListGroup.Left, item.Top));
}
}
}
if (item != null && num < myRightPorts.Count)
{
GoObject goObject2 = myRightPorts[num];
if (goObject2 != null)
{
if (item.Visible)
{
PointF spotLocation2 = item.GetSpotLocation(64);
spotLocation2.X = myListGroup.Right;
goObject2.SetSpotLocation(256, spotLocation2);
}
else
{
goObject2.SetSpotLocation(256, new PointF(myListGroup.Right, item.Top));
}
}
}
num = checked (num + 1);
}
base.Initializing = false;
}
}