private void node_PreviewMouseMove(object sender, MouseEventArgs e)
{
if (Mouse.LeftButton == MouseButtonState.Pressed)
{
Node node = (sender as UnweightedNodeControl).Node;
if (node == lastChangedNode)
{
return;
}
lastChangedNode = node;
if (node.IsStartNode || node.IsEndNode)
{
return;
}
else if (!node.IsWall)
{
node.MakeWall();
}
else
{
node.RemoveWall();
}
}
}
private void Node_MouseDown(object sender, MouseButtonEventArgs e)
{
Node node = (sender as UnweightedNodeControl).Node;
if (isEndNodeSelecting == true)
{
isEndNodeSelecting = false;
EnableInteractiveButtons();
viewModel.SelectEndNode(node);
}
else if (isStartNodeSelecting == true)
{
isStartNodeSelecting = false;
EnableInteractiveButtons();
viewModel.SelectStartNode(node);
}
else
{
if (node.IsWall)
{
node.RemoveWall();
}
else if (node.IsEndNode || node.IsStartNode)
{
return;
}
else
{
node.MakeWall();
}
}
}