/// <summary>
/// Gets an enumerator for iterating over the child GoObjects of this group.
/// </summary>
public GoGroupEnumerator GetEnumerator()
{
GoGroupEnumerator result = this;
result.Reset();
return(result);
}
IEnumerator <GoObject> IEnumerable <GoObject> .GetEnumerator()
{
GoGroupEnumerator goGroupEnumerator = this;
goGroupEnumerator.Reset();
return(goGroupEnumerator);
}
IEnumerator IEnumerable.GetEnumerator()
{
GoGroupEnumerator goGroupEnumerator = this;
goGroupEnumerator.Reset();
return(goGroupEnumerator);
}
/// <summary>
/// This just moves all the children from the group's former location.
/// </summary>
/// <param name="prevRect">
/// The original bounds, in document coordinates.
/// </param>
/// <remarks>
/// This first moves all <see cref="T:Northwoods.Go.IGoLink" />s, and then all the other child objects.
/// </remarks>
protected override void MoveChildren(RectangleF prevRect)
{
float num = base.Left - prevRect.X;
float num2 = base.Top - prevRect.Y;
using (GoGroupEnumerator goGroupEnumerator = GetEnumerator())
{
while (goGroupEnumerator.MoveNext())
{
GoObject current = goGroupEnumerator.Current;
if (current is IGoLink)
{
RectangleF bounds = current.Bounds;
current.Bounds = new RectangleF(bounds.X + num, bounds.Y + num2, bounds.Width, bounds.Height);
}
}
}
using (GoGroupEnumerator goGroupEnumerator = GetEnumerator())
{
while (goGroupEnumerator.MoveNext())
{
GoObject current2 = goGroupEnumerator.Current;
if (!(current2 is IGoLink))
{
RectangleF bounds2 = current2.Bounds;
current2.Bounds = new RectangleF(bounds2.X + num, bounds2.Y + num2, bounds2.Width, bounds2.Height);
}
}
}
}
/// <summary>
/// This handles the general case of a resize by scaling and repositioning all the children.
/// </summary>
/// <param name="prevRect">
/// The original bounds, in document coordinates.
/// </param>
/// <remarks>
/// Any children whose <c>AutoRescales</c> property is false is not
/// resized and repositioned.
/// This first rescales all <see cref="T:Northwoods.Go.IGoLink" />s, and then all the other child objects.
/// </remarks>
protected override void RescaleChildren(RectangleF prevRect)
{
if (!(prevRect.Width <= 0f) && !(prevRect.Height <= 0f))
{
RectangleF bounds = Bounds;
float num = bounds.Width / prevRect.Width;
float num2 = bounds.Height / prevRect.Height;
using (GoGroupEnumerator goGroupEnumerator = GetEnumerator())
{
while (goGroupEnumerator.MoveNext())
{
GoObject current = goGroupEnumerator.Current;
if (current is IGoLink && current.AutoRescales)
{
RectangleF bounds2 = current.Bounds;
float x = bounds.X + (bounds2.X - prevRect.X) * num;
float y = bounds.Y + (bounds2.Y - prevRect.Y) * num2;
float width = bounds2.Width * num;
float height = bounds2.Height * num2;
current.Bounds = new RectangleF(x, y, width, height);
}
}
}
using (GoGroupEnumerator goGroupEnumerator = GetEnumerator())
{
while (goGroupEnumerator.MoveNext())
{
GoObject current2 = goGroupEnumerator.Current;
if (!(current2 is IGoLink) && current2.AutoRescales)
{
RectangleF bounds3 = current2.Bounds;
float x2 = bounds.X + (bounds3.X - prevRect.X) * num;
float y2 = bounds.Y + (bounds3.Y - prevRect.Y) * num2;
float width2 = bounds3.Width * num;
float height2 = bounds3.Height * num2;
current2.Bounds = new RectangleF(x2, y2, width2, height2);
}
}
}
}
}