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;
}
public TwitterUserControl(TwitterUser user)
{
InitializeComponent();
connectedControls = new List<TwitterUserControl>();
connectionLines = new List<Line>();
twitterUser = user;
//highlightColor = Colors.Yellow;
startColor = endStop.Color;
MouseLeftButtonDown += EntityControl_MouseLeftButtonDown;
}
public TwitterUserControl()
{
// for blend
twitterUser = new TwitterUser {Name = "blend"};
}
public TwitterUserControlClickedEventArgs(TwitterUser user)
{
TwitterUser = user;
}
void EvaluateFriend(TwitterUser entity, TwitterUser friend, IDictionary<int, int> exclusions)
{
int key = entity.GetHashCode() * friend.GetHashCode();
if (!exclusions.ContainsKey(key))
{
if (buttonRegistry.ContainsKey(friend))
{
DrawConnection(entity, friend);
exclusions.Add(key, 0);
}
}
}
void DrawConnection(TwitterUser user1, TwitterUser user2)
{
var button1 = buttonRegistry[user1];
var button2 = buttonRegistry[user2];
var line = new Line
{
StrokeThickness = 1,
Stroke = new SolidColorBrush(Colors.Black),
Opacity = .5,
X1 = Canvas.GetLeft(button1) + button1.Width / 2,
Y1 = Canvas.GetTop(button1) + button1.Height / 2,
X2 = Canvas.GetLeft(button2) + button2.Width / 2,
Y2 = Canvas.GetTop(button2) + button2.Height / 2
};
button1.ConnectedControls.Add(button2);
button2.ConnectedControls.Add(button1);
button1.ConnectionLines.Add(line);
button2.ConnectionLines.Add(line);
entityCanvas.Children.Insert(0, line);
}
