public void execute(Object parent)
{
mxIGraphModel model = graph.Model; //.GetModel();
// Moves the vertices to build a circle. Makes sure the
// radius is large enough for the vertices to not
// overlap
model.BeginUpdate();
try
{
// Gets all vertices inside the parent and finds
// the maximum dimension of the largest vertex
double max = 0;
Double top = 0;
Double left = 0;
List <Object> vertices = new List <Object>();
int childCount = model.GetChildCount(parent);
for (int i = 0; i < childCount; i++)
{
Object cell = model.GetChildAt(parent, i);
if (!isVertexIgnored(cell))
{
vertices.add(cell);
mxRectangle bounds = getVertexBounds(cell);
if (top == null)
{
top = bounds.getY();
}
else
{
top = Math.Min(top, bounds.getY());
}
if (left == null)
{
left = bounds.getX();
}
else
{
left = Math.Min(left, bounds.getX());
}
max = Math.Max(max, Math.Max(bounds.getWidth(), bounds
.getHeight()));
}
else if (!isEdgeIgnored(cell))
{
if (isResetEdges())
{
graph.resetEdge(cell);
}
if (isDisableEdgeStyle())
{
setEdgeStyleEnabled(cell, false);
}
}
}
int vertexCount = vertices.size();
double r = Math.Max(vertexCount * max / Math.PI, radius);
// Moves the circle to the specified origin
if (moveCircle)
{
left = x0;
top = y0;
}
circle(vertices.ToArray(), r, left, top);
}
finally
{
model.EndUpdate();
}
}
