public void SetActiveStep(Point point)
{
var elementToActivate = _elements.FirstOrDefault(e => e.Point.X == point.X && e.Point.Y == point.Y);
var stepSet = elementToActivate.TextBlock.Dispatcher.BeginInvoke((Action)(() =>
{
elementToActivate.TextBlock.Foreground = new SolidColorBrush(Colors.Green);
if (elementToActivate.Type == ElementType.Empty)
{
elementToActivate.TextBlock.Text = "O";
}
}));
stepSet.Completed += (s, e) =>
{
if (_currentActiveStep != null)
{
_currentActiveStep.TextBlock.Dispatcher.BeginInvoke((Action)(() =>
{
_currentActiveStep.TextBlock.Foreground = new SolidColorBrush(Colors.Blue);
})).Completed += (cs, ce) =>
{
_currentActiveStep = elementToActivate;
};
}
else
{
_currentActiveStep = elementToActivate;
}
};
}
private void DrawElement(LabyrinthElement element)
{
var elementText = string.Empty;
switch (element.Type)
{
case ElementType.Empty:
elementText = " ";
break;
case ElementType.Start:
elementText = "S";
break;
case ElementType.Finish:
elementText = "F";
break;
case ElementType.Wall:
elementText = "#";
break;
}
var labyrinthUIElement = new LabyrinthUIElement
{
Type = element.Type,
Point = new Point(element.Point.X, element.Point.Y),
TextBlock = new TextBlock
{
Text = elementText,
FontSize = 22
}
};
_elements.Add(labyrinthUIElement);
Canvas.SetLeft(labyrinthUIElement.TextBlock, element.Point.X * 20);
Canvas.SetBottom(labyrinthUIElement.TextBlock, element.Point.Y * 20);
_canvas.Children.Add(labyrinthUIElement.TextBlock);
}
