/// <summary>
/// Toggle the buttons to the top, left, right and bottom of the pressed button
/// </summary>
/// <param name="toggledButton">Which button was pressed</param>
private void ToggleNearbyButtons(CustomButton toggledButton)
{
// Grab a list of buttons assigned to mainGrid. Make sure they're a 'CustomButton' object, just in case we add elements later!
IEnumerable <CustomButton> buttonsList = from child in mainGrid.Children
where child is CustomButton
select child as CustomButton;
// See if we're not the top row, there's nothing above!
if (toggledButton.Row > 0)
{
int aboveRow = toggledButton.Row - 1;
// Find the button above
var upperButtonQuery = from btn in buttonsList
where btn.Row == aboveRow &&
btn.Column == toggledButton.Column
select btn;
CustomButton upperButton = upperButtonQuery.FirstOrDefault();
if (upperButton != null)
{
upperButton.IsLit = !upperButton.IsLit;
}
}
// Check if we're not the left-most button
if (toggledButton.Column > 0)
{
int leftColumn = toggledButton.Column - 1;
// Find the button to the left
var leftButtonQuery = from btn in buttonsList
where btn.Row == toggledButton.Row &&
btn.Column == leftColumn
select btn;
CustomButton leftButton = leftButtonQuery.FirstOrDefault();
if (leftButton != null)
{
leftButton.IsLit = !leftButton.IsLit;
}
}
// See if we're not on the bottom row
if (toggledButton.Row < GridRows)
{
int lowerRow = toggledButton.Row + 1;
// Find the button below
var lowerButtonQuery = from btn in buttonsList
where btn.Row == lowerRow &&
btn.Column == toggledButton.Column
select btn;
CustomButton lowerButton = lowerButtonQuery.FirstOrDefault();
if (lowerButton != null)
{
lowerButton.IsLit = !lowerButton.IsLit;
}
}
// Make sure we're not the right-most button
if (toggledButton.Column < GridColumns)
{
int rightColumn = toggledButton.Column + 1;
// Find the button to the right
var rightButtonQuery = from btn in buttonsList
where btn.Row == toggledButton.Row &&
btn.Column == rightColumn
select btn;
CustomButton rightButton = rightButtonQuery.FirstOrDefault();
if (rightButton != null)
{
rightButton.IsLit = !rightButton.IsLit;
}
}
}