private void RemoveSliceFromCanvas(Slice slice)
{
if (_sliceCanvas != null && _sliceCanvas.Children.Contains(slice))
{
_sliceCanvas.Children.Remove(slice);
}
}
private void DisplayBalloon(Slice slice, Point position)
{
_balloon.Text = slice.ToolTipText;
_balloon.Visibility = Visibility.Visible;
_balloon.Measure(new Size(_sliceCanvasDecorator.ActualWidth, _sliceCanvasDecorator.ActualHeight));
double balloonLeft = position.X - _balloon.DesiredSize.Width / 2;
if (balloonLeft < 0)
{
balloonLeft = position.X;
}
else if (balloonLeft + _balloon.DesiredSize.Width > _sliceCanvasDecorator.ActualWidth)
{
balloonLeft = position.X - _balloon.DesiredSize.Width;
}
double balloonTop = position.Y - _balloon.DesiredSize.Height - 5;
if (balloonTop < 0)
{
balloonTop = position.Y + 17;
}
_balloon.SetValue(Canvas.LeftProperty, balloonLeft);
_balloon.SetValue(Canvas.TopProperty, balloonTop);
}
private void AddSlices()
{
for (int i = _slices.Count; i < _values.Count; i++)
{
Slice slice = new Slice();
slice.RenderTransform = new RotateTransform();
slice.RenderTransformOrigin = new Point(0, 0);
slice.Tag = _userData[i];
_slices.Add(slice);
#if WINDOWS_PHONE
slice.ManipulationStarted += new EventHandler<ManipulationStartedEventArgs>(OnSliceManipulationStarted);
#else
slice.MouseEnter += new MouseEventHandler(OnSliceMouseEnter);
slice.MouseLeave += new MouseEventHandler(OnSliceMouseLeave);
slice.MouseMove += new MouseEventHandler(OnSliceMouseMove);
#endif
AddSliceToCanvas(slice);
}
}
private void AddSliceToCanvas(Slice slice)
{
if (_sliceCanvas != null && !_sliceCanvas.Children.Contains(slice))
{
_sliceCanvas.Children.Add(slice);
}
}
private void AddSlices()
{
for (var i = _slices.Count ; i < _values.Count ; i++)
{
var slice = new Slice
{
RenderTransform = new RotateTransform(),
RenderTransformOrigin = new Point(0, 0)
};
_slices.Add(slice);
#if WINDOWS_PHONE
slice.ManipulationStarted += new EventHandler<ManipulationStartedEventArgs>(OnSliceManipulationStarted);
#else
slice.MouseEnter += OnSliceMouseEnter;
slice.MouseLeave += OnSliceMouseLeave;
slice.MouseMove += OnSliceMouseMove;
#endif
AddSliceToCanvas(slice);
}
}
