public static IList <IJigsawPiece> ScramblePieces(IList <IJigsawPiece> pieces, int rows, int cols)
{
var random = new Random();
var temp = new List <KeyValuePair <int, int> >();
foreach (JigsawPieceBase originPiece in pieces)
{
int row = random.Next(0, rows);
int col = random.Next(0, cols);
while (temp.Exists(t => (t.Key == row) && (t.Value == col)))
{
row = random.Next(0, rows);
col = random.Next(0, cols);
}
temp.Add(new KeyValuePair <int, int>(row, col));
IJigsawPiece targetPiece = pieces.Single(p => p.OriginRow == row && p.OriginColumn == col);
//swap positions
var tempPoint = new Point(originPiece.Position.X, originPiece.Position.Y);
originPiece.Position = new Point(targetPiece.Position.X, targetPiece.Position.Y);
targetPiece.Position = tempPoint;
//Swap column and row numbers
int targetColumn = targetPiece.CurrentColumn;
int targetRow = targetPiece.CurrentRow;
targetPiece.CurrentColumn = originPiece.CurrentColumn;
targetPiece.CurrentRow = originPiece.CurrentRow;
originPiece.CurrentColumn = targetColumn;
originPiece.CurrentRow = targetRow;
}
return(pieces);
}
private void MovePieces(IJigsawPiece original, IJigsawPiece target)
{
if ((original != null) && (target != null))
{
this.MovePiece(target, original.Position);
this.MovePiece(original, target.Position);
//swap position
var tempOriginPoint = new Point(original.Position.X, original.Position.Y);
original.Position = new Point(target.Position.X, target.Position.Y);
target.Position = tempOriginPoint;
//Swap column and row numbers
int targetX = target.CurrentColumn;
int targetY = target.CurrentRow;
target.CurrentColumn = original.CurrentColumn;
target.CurrentRow = original.CurrentRow;
original.CurrentColumn = targetX;
original.CurrentRow = targetY;
//Adjust Z Index
int zIndex = (int)original.GetValue(Panel.ZIndexProperty);
original.SetValue(Panel.ZIndexProperty, zIndex + 1);
if (this.CheckPieces())
{
MessageBox.Show("You have successfully finished this puzzel", "Congratulations!");
this.ShowPicture();
}
}
}
private void MovePiece(IJigsawPiece piece, Point toPoint)
{
var uiElement = piece as UIElement;
if (uiElement != null)
{
Canvas.SetLeft(uiElement, toPoint.X);
Canvas.SetTop(uiElement, toPoint.Y);
}
}
private void Piece_MouseUp(object sender, MouseButtonEventArgs e)
{
if (this._isDragging)
{
this._isDragging = false;
var pieceView = (JigsawPieceBase)sender;
pieceView.ReleaseMouseCapture();
pieceView.SetValue(Panel.ZIndexProperty, 10);
IJigsawPiece originalModel = this.FindPieceByView(pieceView);
IJigsawPiece targetModel = this.FindPieceByMousePosition(e.GetPosition(this.Window.Canvas));
this.MovePieces(originalModel, targetModel);
}
}
public static IList <IJigsawPiece> CreateImagePuzzelPieces(BitmapImage bitmapImage, int totalCols, int totalRows, double pieceSize, PieceType pieceType)
{
var pieces = new List <IJigsawPiece>();
for (int row = 0; row < totalRows; row++)
{
for (int col = 0; col < totalCols; col++)
{
IJigsawPiece jigsawPiece = CreateImagePuzzelPiece(bitmapImage, col, row, pieceSize, pieceType);
pieces.Add(jigsawPiece);
}
}
return(pieces);
}
public void TestConvertPointWithValidStrings()
{
const int rows = 4;
const int columns = 4;
var imaeSource = new BitmapImage();
var pieces = new List <IJigsawPiece>();
for (int row = 0; row < rows; row++)
{
for (int col = 0; col < columns; col++)
{
IJigsawPiece jigsawPiece = JigsawPieceFactory.CreateImagePuzzelPiece(imaeSource, col, row, 200, PieceType.SimpleBezier);
pieces.Add(jigsawPiece);
}
}
var scrambledPieces = JigsawHelper.ScramblePieces(pieces, rows, columns);
foreach (var jigsawPiece in scrambledPieces)
{
var tempModel = BezierCurveHelper.FindModel(jigsawPiece.CurrentColumn, jigsawPiece.CurrentRow);
Assert.AreEqual(jigsawPiece.Position, tempModel.Position);
}
}
private IJigsawPiece FindPieceByView(IJigsawPiece piece)
{
return(this.Pieces.SingleOrDefault <IJigsawPiece>(p => (p == piece)));
}
private void MovePieces(IJigsawPiece original, IJigsawPiece target)
{
if ((original != null) && (target != null))
{
this.MovePiece(target, original.Position);
this.MovePiece(original, target.Position);
//swap position
var tempOriginPoint = new Point(original.Position.X, original.Position.Y);
original.Position = new Point(target.Position.X, target.Position.Y);
target.Position = tempOriginPoint;
//Swap column and row numbers
int targetX = target.CurrentColumn;
int targetY = target.CurrentRow;
target.CurrentColumn = original.CurrentColumn;
target.CurrentRow = original.CurrentRow;
original.CurrentColumn = targetX;
original.CurrentRow = targetY;
//Adjust Z Index
int zIndex = (int)original.GetValue(Panel.ZIndexProperty);
original.SetValue(Panel.ZIndexProperty, zIndex + 1);
if (this.CheckPieces())
{
MessageBox.Show("You have successfully finished this puzzel", "Congratulations!");
this.ShowPicture();
}
}
}
private void MovePiece(IJigsawPiece piece, Point toPoint)
{
var uiElement = piece as UIElement;
if (uiElement != null)
{
Canvas.SetLeft(uiElement, toPoint.X);
Canvas.SetTop(uiElement, toPoint.Y);
}
}
private IJigsawPiece FindPieceByView(IJigsawPiece piece)
{
return this.Pieces.SingleOrDefault<IJigsawPiece>(p => (p == piece));
}