public void Create_Grid(object sender = null, RoutedEventArgs e = null)
{
fieldArray = new Field[rows, columns];
btnArray = new Button[rows, columns];
var style = (Style)App.Current.TryFindResource("fieldButton");
grid.Children.Clear();
for (int i = 0; i < rows; i++)
{
RowDefinition row = new RowDefinition();
row.Height = GridLength.Auto;
grid.RowDefinitions.Add(row);
for (int j = 0; j < columns; j++)
{
ColumnDefinition col = new ColumnDefinition();
col.Width = GridLength.Auto;
grid.ColumnDefinitions.Add(col);
Support.Point pnt = new Support.Point(i, j);
Button btn = new Button();
btn.CommandParameter = pnt;
btn.Height = 1260 / columns;
btn.Width = 1260 / columns;
btn.Style = style;
btn.Background = Brushes.White;
btn.PreviewMouseLeftButtonDown += LMB_Down;
btn.PreviewMouseLeftButtonUp += LMB_Up;
btn.MouseEnter += Put_Wall;
btnArray[i, j] = btn;
Grid.SetColumn(btnArray[i, j], j);
Grid.SetRow(btnArray[i, j], i);
grid.Children.Add(btnArray[i, j]);
fieldArray[i, j] = new Field(i, j);
}
}
foreach (Field field in fieldArray)
{
field.Add_Edges(rows, this.columns, fieldArray);
field.distance = int.MaxValue;
}
Set_Start(0, 0);
Set_Finish(rows - 1, columns - 1);
}
public void Set_Finish(int row, int col)
{
fieldArray[row, col].finish = true;
fieldArray[row, col].wall = false;
fieldArray[row, col].distance = int.MaxValue;
finishPoint = new Support.Point(row, col);
Button threadedBtn = btnArray[row, col];
threadedBtn.MouseEnter -= Put_Wall;
threadedBtn.PreviewMouseLeftButtonDown -= LMB_Down;
threadedBtn.PreviewMouseLeftButtonDown += LMB_Down_Move;
threadedBtn.Background = Brushes.Coral;
}
public void Set_Start(int row, int col)
{
fieldArray[row, col].start = true;
fieldArray[row, col].wall = false;
fieldArray[row, col].distance = 0;
startPoint = new Support.Point(row, col);
Button threadedBtn = btnArray[row, col];
threadedBtn.MouseEnter -= Put_Wall;
threadedBtn.PreviewMouseLeftButtonDown -= LMB_Down;
threadedBtn.PreviewMouseLeftButtonDown += LMB_Down_Move;
threadedBtn.Background = Brushes.DodgerBlue;
}
public void Move_Point(Support.Point pnt)
{
if (!vis)
{
if (movingStart)
{
Set_Empty(startPoint.row, startPoint.col);
Set_Start(pnt.row, pnt.col);
}
else if (movingFinish)
{
Set_Empty(finishPoint.row, finishPoint.col);
Set_Finish(pnt.row, pnt.col);
}
}
movingStart = movingFinish = false;
}
public void LMB_Down_Move(object sender, MouseButtonEventArgs e)
{
Button clicked = (Button)sender;
Support.Point pnt = (Support.Point)clicked.CommandParameter;
if (pnt.Is_Equal_To(startPoint))
{
movingStart = true;
}
else if (pnt.Is_Equal_To(finishPoint))
{
movingFinish = true;
}
e.Handled = true;
}
public void Put_Wall(object sender, MouseEventArgs e = null)
{
if (mouseDown && !vis)
{
Button clicked = (Button)sender;
Support.Point pnt = (Support.Point)clicked.CommandParameter;
Field field = fieldArray[pnt.row, pnt.col];
Button btn = btnArray[pnt.row, pnt.col];
if (!field.start && !field.finish)
{
if (field.wall == false)
{
btn.Background = Brushes.Black;
field.wall = true;
}
else
{
btn.Background = Brushes.White;
field.wall = false;
}
}
}
}
