private static void OnRelativePositionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
UIElement reference = d as UIElement;
if (reference != null)
{
RelativePositionPanel parent = VisualTreeHelper.GetParent(reference) as RelativePositionPanel;
if (parent != null)
{
parent.InvalidateArrange();
}
}
}
void TerminalRootSelector_Loaded(object sender, RoutedEventArgs e)
{
if (this.terminalIndex < 0 || this.associatedRootIndexes == null || this.renderInfo == null)
{
throw new ArgumentException("Cannot create a root selector using these variables");
}
this.mainPanel = this.Template.FindName("mainPanel", this) as RelativePositionPanel;
if (this.mainPanel == null)
{
throw new ArgumentNullException("Cannot find the template item mainPanel");
}
Point start = new Point(0.5, 0);
double rotation = 0;
double rotationStep = 360.0 / this.associatedRootIndexes.Count;
foreach (int i in this.associatedRootIndexes)
{
RotateTransform rotateTransform = new RotateTransform(rotation, 0.5, 0.5);
Point rotatedPoint = rotateTransform.Transform(start);
SolidColorBrush backgroundBrush = new SolidColorBrush(renderInfo.HighlightedRootColors[i]);
if (backgroundBrush.CanFreeze)
{
backgroundBrush.Freeze();
}
TerminalNode tn = new TerminalNode()
{
Background = backgroundBrush, RootIndex = i, Cursor = Cursors.Hand
};
tn.MouseDown += new MouseButtonEventHandler(TerminalNodeMouseDown);
RelativePositionPanel.SetRelativePositionX(tn, rotatedPoint.X);
RelativePositionPanel.SetRelativePositionY(tn, rotatedPoint.Y);
this.mainPanel.Children.Add(tn);
rotation += rotationStep;
}
this.MouseLeftButtonDown += new MouseButtonEventHandler(TerminalRootSelector_MouseLeftButtonDown);
this.MouseRightButtonDown += new MouseButtonEventHandler(TerminalRootSelector_MouseRightButtonDown);
}
