void OnStackSizeChanged(object sender, EventArgs args)
{
double width = stackLayout.Width;
double height = stackLayout.Height;
if (width <= 0 || height <= 0)
{
return;
}
// Orient StackLayout based on portrait/landscape mode.
stackLayout.Orientation = (width < height) ? StackOrientation.Vertical :
StackOrientation.Horizontal;
// Calculate square size and position based on stack size.
squareSize = Math.Min(width, height) / NUM;
absoluteLayout.WidthRequest = NUM * squareSize;
absoluteLayout.HeightRequest = NUM * squareSize;
foreach (View view in absoluteLayout.Children)
{
XuzzleRandSquare square = (XuzzleRandSquare)view;
square.SetLabelFont(0.4 * squareSize, FontAttributes.Bold);
AbsoluteLayout.SetLayoutBounds(square,
new Rectangle(square.Col * squareSize,
square.Row * squareSize,
squareSize,
squareSize));
}
}
async Task AnimateSquare(int row, int col, int newRow, int newCol, uint length)
{
// The Square to be animated.
XuzzleRandSquare animaSquare = squares [row, col];
// The destination rectangle.
Rectangle rect = new Rectangle(squareSize * emptyCol,
squareSize * emptyRow,
squareSize,
squareSize);
// This is the actual animation call.
await animaSquare.LayoutTo(rect, length);
// Set several variables and properties for new layout.
squares [newRow, newCol] = animaSquare;
animaSquare.Row = newRow;
animaSquare.Col = newCol;
squares [row, col] = null;
emptyRow = row;
emptyCol = col;
}
async void OnSquareTapped(object parameter)
{
if (isBusy)
{
return;
}
isBusy = true;
XuzzleRandSquare tappedSquare = (XuzzleRandSquare)parameter;
await ShiftIntoEmpty(tappedSquare.Row, tappedSquare.Col);
isBusy = false;
// Check for a "win".
if (isPlaying)
{
int index;
for (index = 0; index < NUM * NUM - 1; index++)
{
int row = index / NUM;
int col = index % NUM;
XuzzleRandSquare square = squares [row, col];
if (square == null || square.Index != index)
{
break;
}
}
// We have a winner!
if (index == NUM * NUM - 1)
{
isPlaying = false;
await DoWinAnimation();
}
}
}
void getRandomText()
{
// AbsoluteLayout to host the squares.
absoluteLayout = new AbsoluteLayout()
{
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center
};
using (reader) {
// Seed a random number in the range 0 to your count.
Random random = new Random();
int randomNumber = random.Next(0, lines.Length);
// Read the random line.
text = lines.Skip(randomNumber - 1).Take(1).First().ToUpper().Trim();
text = Regex.Replace(text, @"\s+", "");
while (text.Length < 15)
{
randomNumber = random.Next(0, lines.Length);
string text2 = lines.Skip(randomNumber - 1).Take(1).First().ToUpper().Trim();
text2 = Regex.Replace(text2, @"\s+", "");
text = string.Concat(text, text2);
}
text = text.Truncate(15);
}
// Create XuzzleSquare's for all the rows and columns.
index = 0;
for (int row = 0; row < NUM; row++)
{
for (int col = 0; col < NUM; col++)
{
// But skip the last one!
if (row == NUM - 1 && col == NUM - 1)
{
break;
}
// Instantiate XuzzleSquare.
square = new XuzzleRandSquare(text [index], winText [index], index)
{
Row = row,
Col = col
};
// Add tap recognition.
TapGestureRecognizer tapGestureRecognizer = new TapGestureRecognizer {
Command = new Command(OnSquareTapped),
CommandParameter = square
};
square.GestureRecognizers.Add(tapGestureRecognizer);
// Add it to the array and the AbsoluteLayout.
squares [row, col] = square;
absoluteLayout.Children.Add(square);
index++;
}
}
}
void getRandomText ()
{
// AbsoluteLayout to host the squares.
absoluteLayout = new AbsoluteLayout () {
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center
};
using (reader) {
// Seed a random number in the range 0 to your count.
Random random = new Random();
int randomNumber = random.Next(0, lines.Length);
// Read the random line.
text = lines.Skip(randomNumber - 1).Take(1).First().ToUpper().Trim();
text = Regex.Replace (text, @"\s+", "");
while (text.Length < 15) {
randomNumber = random.Next(0, lines.Length);
string text2 = lines.Skip(randomNumber - 1).Take(1).First().ToUpper().Trim();
text2 = Regex.Replace (text2, @"\s+", "");
text = string.Concat(text, text2);
}
text = text.Truncate (15);
}
// Create XuzzleSquare's for all the rows and columns.
index = 0;
for (int row = 0; row < NUM; row++) {
for (int col = 0; col < NUM; col++) {
// But skip the last one!
if (row == NUM - 1 && col == NUM - 1)
break;
// Instantiate XuzzleSquare.
square = new XuzzleRandSquare (text [index], winText [index], index) {
Row = row,
Col = col
};
// Add tap recognition.
TapGestureRecognizer tapGestureRecognizer = new TapGestureRecognizer {
Command = new Command (OnSquareTapped),
CommandParameter = square
};
square.GestureRecognizers.Add (tapGestureRecognizer);
// Add it to the array and the AbsoluteLayout.
squares [row, col] = square;
absoluteLayout.Children.Add (square);
index++;
}
}
}
