private void ClearGrid()
{
nodeGrid.Children.Clear();
star = null;
end = null;
robotGrid = null;
nodeLabels.Clear();
}
private void CreateNode(Node node, NodePosition place)
{
var nodeLabel = new NodeLabel {
Name = $"lbl{node.Position.X}i{node.Position.Y}",
Id = node.Id,
Position = node.Position,
Visibility = Visibility.Visible,
Width = 25,
Height = 25,
Background = new SolidColorBrush(Colors.Gray),
Margin = new Thickness(place.X, place.Y, 0, 0)
};
nodeLabel.MouseLeftButtonUp += NodeClick;
nodeGrid.Children.Add(nodeLabel);
nodeLabels.Add(nodeLabel);
}
private void NodeClick(object sender, MouseButtonEventArgs e)
{
var node = sender as NodeLabel;
if (node == null || !robotGrid.IsInitialized)
{
return;
}
if (btnSetBlock.IsChecked ?? false)
{
var res = robotGrid.ToggleObsticle(node.Id);
node.Background = res ? new SolidColorBrush(Colors.Red) : new SolidColorBrush(Colors.Gray);
if (end != null && Equals(end, node))
{
end = null;
}
else if (star != null && Equals(star, node))
{
star = null;
}
}
if (btnSetStart.IsChecked ?? false)
{
star = node;
node.Background = new SolidColorBrush(Colors.Green);
robotGrid.MakeAvailable(node.Id);
if (end != null && Equals(end, node))
{
end = null;
}
}
else if (btnSetEnd.IsChecked ?? false)
{
end = node;
node.Background = new SolidColorBrush(Colors.Blue);
robotGrid.MakeAvailable(node.Id);
if (star != null && Equals(star, node))
{
star = null;
}
}
}