public static void MarkTiles(List <Tile> tilesToMark, TermTile taken)
{
foreach (Tile t in tilesToMark)
{
t.Taken = taken;
}
}
public bool Equals(TermTile obj)
{
if (obj == null)
{
return(false);
}
return(Term == obj.Term);
}
public TermTile(TermTile other)
{
InitializeComponent();
DataContext = this;
TileText = other.TileText;
TileColor = other.TileColor;
TileStrokeColor = other.TileStrokeColor;
StrokeThickness = other.StrokeThickness;
TextFontSize = other.TextFontSize;
Term = other.Term;
Focusable = true;
}
//ukoliko su vec zauzete od strane nekog drugog termina vraca false, kako bi obavestili korisnika da se termini ne mogu preklapati
public static bool CheckAndMarkTiles(List <Tile> tilesToMark, TermTile tTile)
{
foreach (Tile t in tilesToMark)
{
if (t.Taken != null && !t.Taken.Equals(tTile))
{
return(false);
}
}
//ako su sve plocice slobodne :)
MarkTiles(tilesToMark, tTile);
return(true);
}
public void HandleOldTermTile(TermTile termTile, TermTile oldTermTile, Grid grid)
{
int oldRow = Grid.GetRow(oldTermTile);
int oldColumn = Grid.GetColumn(oldTermTile);
int oldRowSpan = Grid.GetRowSpan(oldTermTile);
//oslobadjamo stare plocice gde se termin nekad prostirao :D
List <Tuple <int, int> > oldCoordinates = TilesUtil.GetAllTermCoordinates(oldRow, oldColumn, oldRowSpan);
var tilesToMark = TilesUtil.GetTiles(grid, oldCoordinates);
TilesUtil.MarkTiles(tilesToMark, null);
//ukoliko je stara plocica bila selektovana pre prevlacenja, nova mora biti isto
if (oldTermTile.Equals(TermTile.LastSelectedTermTile))
{
TermTile.LastSelectedTermTile = termTile;
}
grid.Children.Remove(oldTermTile);
}
private void FillGridWithTerms()
{
foreach (Term t in ChosenClassroom.Terms)
{
Tuple <int, int> position = CalculatePosition(t);
var tile = new TermTile()
{
Term = t, TileText = t.Subject.Label
};
Grid.SetColumn(tile, position.Item2);
Grid.SetRow(tile, position.Item1);
Grid.SetRowSpan(tile, t.Length * 3);
var coordinates = TilesUtil.GetAllTermCoordinates(position.Item1, position.Item2, Grid.GetRowSpan(tile));
var tiles = TilesUtil.GetTiles(grid, coordinates);
TilesUtil.MarkTiles(tiles, tile);
grid.Children.Add(tile);
tile.TileColor = "Yellow";
}
}
public void DoDrop(bool isNewTerm, DragEventArgs e)
{
//TODO postavi podatke
Grid grid = ((Grid)this.Parent);
TermTile termTile;
TermTile oldTermTile = null;
if (!isNewTerm)
{
oldTermTile = (TermTile)e.Data.GetData("Object");
termTile = new TermTile(oldTermTile);
}
else
{
Term t = new Term();
t.Subject = (Subject)e.Data.GetData("Object");
if (t.Subject.NumRequiredTerms <= 0)
{
MessageBox.Show("Nema vise termina za predmet.", "Obaveštenje", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
t.Subject.NumRequiredTerms = t.Subject.NumRequiredTerms - 1;
t.Classroom = (Classroom)e.Data.GetData("ChosenClassroom");
termTile = new TermTile();
t.Length = t.Subject.MinimalTermLength;
termTile.TileText = t.Subject.Label;
termTile.Term = t;
}
int row = Grid.GetRow(this);
int column = Grid.GetColumn(this);
int newTileRowspan = 3 * (termTile.Term.Length);
if (row + newTileRowspan > (grid.RowDefinitions.Count))
{
MessageBox.Show("Nemoguce prevuci tu. Termin ce probiti limite.", "Obaveštenje", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
List <Tuple <int, int> > coordinates = TilesUtil.GetAllTermCoordinates(row, column, newTileRowspan);
List <Tile> tilesToMark = TilesUtil.GetTiles(grid, coordinates);
if (!TilesUtil.CheckAndMarkTiles(tilesToMark, termTile))
{
MessageBox.Show("Termini se ne mogu preklapati.", "Obaveštenje", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
Grid.SetRow(termTile, row);
Grid.SetRowSpan(termTile, newTileRowspan);
Grid.SetColumn(termTile, column);
grid.Children.Add(termTile);
if (oldTermTile != null)
{
HandleOldTermTile(termTile, oldTermTile, grid);
}
e.Effects = DragDropEffects.Move;
//na osnovu pozicije plocice cemo da provalimo novi termin
termTile.UpdateTerm();
controller.CustomEvents.RaiseTutorialStepCompletedEvent(Steps.DRAG_AND_DROP_DONE);
}
