public void LoadModel(TwitterUser user)
{
buttonRegistry = new Dictionary<TwitterUser, TwitterUserControl>();
entityCanvas.Children.Clear();
// TODO: not sure if we want this here - the user model should already have dictated what data we retrieved.
int depth = int.Parse(depthTextBox.Text);
var startControl = new TwitterUserControl(user) {Title = user.Name};
var trans = new ScaleTransform {ScaleX = 1.3, ScaleY = 1.3};
startControl.RenderTransform = trans;
startControl.Color = Colors.Blue;
entityCanvas.Children.Add(startControl);
Canvas.SetLeft(startControl, entityCanvas.ActualWidth / 2);
Canvas.SetTop(startControl, entityCanvas.ActualHeight / 2);
buttonRegistry.Add(user, startControl);
ICollection<TwitterUser> ringEntities = user.Friends;
for (int i = 1; i <= depth; i++)
{
ringEntities = LoadRing(ringEntities, i);
}
MakeFriends();
infoBlock.Text = "Node Count: " + buttonRegistry.Count;
}
TwitterUser[] LoadRing(ICollection<TwitterUser> ringEntities, int depth)
{
var nextRing = new List<TwitterUser>();
//1 radian = ~57.3 degrees
//~6 radians / circle
double radiusFactor = Convert.ToDouble(depth) * 1;
double radius = 160 * radiusFactor;
double stepConstant = .06 * Convert.ToDouble(spacingSlider.Value);
double radianStep = stepConstant / Convert.ToDouble(ringEntities.Count);
double radians = 0;
infoBlock.Text = ringEntities.Count.ToString();
foreach (var entity in ringEntities)
{
Point point = CalculateRingPoint(radians, radius);
Point relativePoint = TranslateRingPoint(point);
var button = new TwitterUserControl(entity);
button.Clicked += user_Clicked;
button.Opacity = 1 / (Convert.ToDouble(depth) * .3);
button.Title = entity.Name;
Canvas.SetLeft(button, relativePoint.X);
Canvas.SetTop(button, relativePoint.Y);
entityCanvas.Children.Add(button);
buttonRegistry.Add(entity, button);
radians = radians + radianStep;
}
foreach (var entity in ringEntities)
{
foreach (var nextConnection in entity.Friends)
{
if (!buttonRegistry.ContainsKey(nextConnection))
{
if (!nextRing.Contains(nextConnection))
{
nextRing.Add(nextConnection);
}
}
}
}
return nextRing.ToArray();
}
