internal void SwapOrientation(IList <WordAndCanvas> wordAndCanvasList, bool memorizeForUndo)
{
Debug.Assert(wordAndCanvasList != null && wordAndCanvasList.Count == 1);
WordAndCanvas wac = wordAndCanvasList.First();
if (memorizeForUndo)
{
viewModel.UndoStack.MemorizeSwapOrientation(wordAndCanvasList);
viewModel.RemoveWordPosition(wac.WordPosition);
wac.WordPosition.SetNewPositionOrientation(new PositionOrientation(wac.WordPosition.StartRow, wac.WordPosition.StartColumn, !wac.WordPosition.IsVertical));
// Do not accept Illegal placements, adjust to only valid placements
WordPositionLayout layout = viewModel.GetLayoutExcludingWordPosition(wac.WordPosition);
List <PositionOrientation> topLeftList = new List <PositionOrientation>
{
new PositionOrientation(wac.WordPosition.PositionOrientation)
};
AdjustToSuitableLocationInLayout(layout, wordAndCanvasList, topLeftList, true);
wac.WordPosition.SetNewPositionOrientation(topLeftList[0]);
viewModel.AddWordPosition(wac.WordPosition);
}
wac.RebuildCanvasAfterOrientationSwap(); // Only relocate visually letters of the word
MoveWordAndCanvasList(wordAndCanvasList); // Visual animation
FinalRefreshAfterUpdate();
}
// Initial drawing of for current model layout
internal IList <WordAndCanvas> AddCanvasForWordPositionList(IEnumerable <WordPosition> wordPositionList)
{
List <WordAndCanvas> wordAndCanvasList = new List <WordAndCanvas>();
// Draw letters
foreach (WordPosition wp in wordPositionList)
{
WordCanvas wc = new WordCanvas(wp);
WordAndCanvas wac = new WordAndCanvas(wp, wc);
DrawingCanvas.Children.Add(wc);
m_WordAndCanvasList.Add(wac);
wordAndCanvasList.Add(wac);
}
return(wordAndCanvasList);
}
// Helper, this was originally in MainGrid_MouseDown handler, but when a right-click occurs,
// it is assumed than it will select automatically a non-selected word, so code got promoted to its own function...
private void UpdateSelectionAfterClick(MouseButtonEventArgs e)
{
if (DrawingCanvas.InputHitTest(e.GetPosition(DrawingCanvas)) is TextBlock hitTextBlock)
{
WordCanvas hitC = hitTextBlock.Parent as WordCanvas;
WordAndCanvas hit = m_WordAndCanvasList.FirstOrDefault(wac => ReferenceEquals(wac.WordCanvas, hitC));
Debug.Assert(hit != null);
//Debug.WriteLine("Hit " + hit.WordPosition.ToString());
// If Ctrl key is NOT pressed, clear previous selection
// But if we click again in something already selected, do not clear selection!
if (!Keyboard.IsKeyDown(Key.LeftCtrl) && !Keyboard.IsKeyDown(Key.RightCtrl))
{
if (m_Sel.WordAndCanvasList != null && !m_Sel.WordAndCanvasList.Contains(hit))
{
m_Sel.Clear();
}
}
// Add current word to selection
m_Sel.Add(hit);
// If Shift key is pressed, selection is extended to connected words
if (Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift))
{
//viewModel.Layout.GetConnectedWordPositions(hitWP).ForEach(connected => AddWordPositionToSelection(connected));
foreach (WordPosition connected in viewModel.Layout.GetConnectedWordPositions(hit.WordPosition))
{
m_Sel.Add(m_WordAndCanvasList.FirstOrDefault(wac => wac.WordPosition == connected));
}
}
// Remove and add again elements to move so they're displayed above non-moved elements
//foreach (WordCanvas wc in m_Sel.WordPositionList.Select(wp => Map.GetWordCanvasFromWordPosition(wp)))
foreach (WordCanvas wc in m_Sel.WordAndCanvasList.Select(wac => wac.WordCanvas))
{
DrawingCanvas.Children.Remove(wc);
DrawingCanvas.Children.Add(wc);
wc.SetColor(Brushes.White, Brushes.DarkBlue);
}
}
}
private void RecolorizeWord(WordAndCanvas wac, PlaceWordStatus status)
{
bool isInSelection = m_Sel.WordAndCanvasList?.Contains(wac) ?? false;
switch (status)
{
case PlaceWordStatus.Valid:
if (isInSelection)
{
wac.WordCanvas.SetColor(SelectedValidForeground, SelectedValidBackground);
}
else
{
wac.WordCanvas.SetColor(NormalValidForeground, NormalValidBackground);
}
break;
case PlaceWordStatus.TooClose:
if (isInSelection)
{
wac.WordCanvas.SetColor(SelectedTooCloseForeground, SelectedTooCloseBackground);
}
else
{
wac.WordCanvas.SetColor(NormalTooCloseForeground, NormalTooCloseBackground);
}
break;
case PlaceWordStatus.Invalid:
if (isInSelection)
{
wac.WordCanvas.SetColor(SelectedInvalidForeground, SelectedInvalidBackground);
}
else
{
wac.WordCanvas.SetColor(NormalInvalidForeground, NormalInvalidBackground);
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(status), status, null);
}
}
internal static PlaceWordStatus CanPlaceWordInLayout(WordPositionLayout layout, WordAndCanvas wac)
{
return(layout.CanPlaceWord(wac.WordPosition, true));
}
internal PlaceWordStatus CanPlaceWord(WordAndCanvas wac, bool withTooClose)
{
return(Layout.CanPlaceWord(wac.WordPosition, withTooClose));
}