private void DrawPointEvents(Canvas canvas, double yPos, NonOverlappintEvents <string, string> events)
{
var canvasWidth = canvas.ActualWidth;
var timeLineLength = canvasWidth - FingerWidthInUnits;
var timeLineStart = HalfFingerWidthInUnits;
foreach (var @event in events)
{
var eventXPos = ((@event.Start - _timeRange.Start) / _timeRange.Duration) * timeLineLength;
var circle = new Ellipse();
circle.Width = 20;
circle.Height = 20;
circle.SetValue(Canvas.LeftProperty, timeLineStart + eventXPos - circle.Width / 2);
circle.SetValue(Canvas.TopProperty, yPos + 1);
circle.Fill = Brushes.Black;
circle.Stroke = Brushes.Black;
MouseButtonEventHandler mouseDownHandler = (sender, e) =>
{
MessageBox.Show(@event.Description);
e.Handled = true;
};
circle.MouseDown += mouseDownHandler;
_releases.AddLast(() => { circle.MouseDown -= mouseDownHandler; });
canvas.Children.Add(circle);
}
}
private void DrawIntervalEvents(
Canvas canvas,
double yPos,
NonOverlappintEvents <string, string> events,
Color baseColor)
{
var canvasWidth = canvas.ActualWidth;
var timeLineLength = canvasWidth - FingerWidthInUnits;
var timeLineStart = HalfFingerWidthInUnits;
foreach (var @event in events)
{
var eventStartXPos = timeLineStart + ((@event.Start - _timeRange.Start) / _timeRange.Duration) * timeLineLength;
var eventEndXPos = timeLineStart + ((@event.End - _timeRange.Start) / _timeRange.Duration) * timeLineLength;
var noLeftSide = @event.Start < _timeRange.Start;
var noRightSide = @event.End > _timeRange.End;
var rectangle = new Border();
rectangle.Width = noLeftSide && noRightSide
? timeLineLength
: noLeftSide
? (eventEndXPos - timeLineStart)
: noRightSide
? (timeLineLength + timeLineStart - eventStartXPos)
: (eventEndXPos - eventStartXPos);
rectangle.Height = FingerWidthInUnits - 2;
rectangle.SetValue(
Canvas.LeftProperty,
noLeftSide ? timeLineStart : eventStartXPos
);
rectangle.SetValue(Canvas.TopProperty, yPos + 1);
rectangle.BorderBrush = Brushes.Black;
rectangle.BorderThickness = new Thickness(
noLeftSide ? 0 : 1,
1,
noRightSide ? 0 : 1,
1
);
rectangle.Background = new SolidColorBrush(baseColor);
canvas.Children.Add(rectangle);
var text = new TextBlock();
text.Text = @event.Description;
text.Width = rectangle.Width - 2;
// text.Height = rectangle.Height - 2;
text.VerticalAlignment = VerticalAlignment.Center;
text.SetValue(Canvas.LeftProperty, eventStartXPos + 1);
text.SetValue(Canvas.TopProperty, yPos + 1 + 1);
text.TextAlignment = TextAlignment.Center;
text.FontWeight = FontWeights.Bold;
MouseButtonEventHandler mouseDownHander = (sender, e) =>
{
MessageBox.Show(@event.Description);
e.Handled = true;
};
text.MouseDown += mouseDownHander;
_releases.AddLast(() => { text.MouseDown -= mouseDownHander; });
rectangle.Child = text;
}
}
