//Отпускание фигуры
/// <summary>
/// Обработчик отпускания фигур
/// </summary>
/// <param name="obj"></param>
/// <param name="e"></param>
private void MouseUpFigure(object obj, MouseEventArgs e)
{
MouseMoveDelegate += MouseMoveSelecting;
MouseMoveDelegate -= MouseMoveFigure;
MouseUpDelegate -= MouseUpFigure;
if (_reallyMoved)
{
var newState = new Dictionary <int, BaseFigure>();
foreach (var figure in SelectedFigures)
{
if (!_presenter.GetFigures().ContainsKey(figure.Key))
{
continue;
}
var index = figure.Key;
newState.Add(index, FigureFactory.CreateCopy(figure.Value));
}
OnFiguresMoved(newState);
_reallyMoved = false;
}
Canvas.Refresh();
}
/// <summary>
/// Обработчик события изменения параметров фигур(ы)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _view_ParametersChanged(object sender, FigureParameters e)
{
var beforeState = new Dictionary <int, BaseFigure>();
if (_currentHandler.GetType() == typeof(CursorHandler))
{
var handler = _currentHandler as CursorHandler;
if (handler != null)
{
foreach (var figure in handler.SelectedFigures)
{
if (!_model.GetFigureList().ContainsKey(figure.Key))
{
continue;
}
var index = figure.Key;
beforeState.Add(index, FigureFactory.CreateCopy(figure.Value));
}
}
}
else
{
var handler = _currentHandler as FigureCreatingHandler;
if (handler != null)
{
handler.FigureParameters = e;
}
//_currentHandler.FigureParameters = e;
}
var cmd = new ChangeParametersCommand(_model, beforeState, e);
_undoRedoStack.Do(cmd);
_view.Canvas.Invalidate();
}
/// <inheritdoc />
/// <summary>
/// Копирование объекта
/// </summary>
/// <param name="index">Индек фигуры</param>
/// <param name="figure">Копируемая фигура</param>
public void CopyFigure(int index, BaseFigure figure)
{
var addingFigure = FigureFactory.CreateCopy(figure, FigureFactory.CopyType.CopyWithOffset);
CurrentIndex += 1;
_figures.Add(CurrentIndex, addingFigure);
NotifyObservers();
}
/// <summary>
/// Копирование словарей
/// </summary>
/// <param name="fromDictionary">Из словаря</param>
/// <param name="toDictionary">В словарь</param>
private static void CopyToDictionary(Dictionary <int, BaseFigure> fromDictionary,
Dictionary <int, BaseFigure> toDictionary)
{
foreach (var entry in fromDictionary)
{
var index = entry.Key;
toDictionary.Add(index, FigureFactory.CreateCopy(entry.Value));
}
}
/// <summary>
/// Конструктор класса команды движения фигур
/// </summary>
/// <param name="model"></param>
/// <param name="beforeState"></param>
/// <param name="newState"></param>
public MoveFigureCommand(IModel model,
Dictionary <int, BaseFigure> beforeState,
Dictionary <int, BaseFigure> newState)
{
Model = model;
_beforeState = new Dictionary <int, BaseFigure>();
_newState = new Dictionary <int, BaseFigure>();
foreach (var entry in beforeState)
{
var index = entry.Key;
_beforeState.Add(index, FigureFactory.CreateCopy(entry.Value));
}
foreach (var entry in newState)
{
var index = entry.Key;
_newState.Add(index, FigureFactory.CreateCopy(entry.Value));
}
}
/// <summary>
/// Обработчик отпускания маркера
/// </summary>
/// <param name="obj"></param>
/// <param name="e"></param>
private void MouseUpMarker(object obj, MouseEventArgs e)
{
MouseMoveDelegate += MouseMoveSelecting;
MouseMoveDelegate -= MouseMoveMarker;
MouseUpDelegate -= MouseUpMarker;
var newPointState = new Dictionary <int, BaseFigure>();
if (_isPointMoved)
{
newPointState.Add(_pickedFigureIndex,
FigureFactory.CreateCopy(
SelectedFigures[_pickedFigureIndex]));
OnPointMoved(newPointState);
_isPointMoved = false;
}
Canvas.Refresh();
}
//Мышка нажата
/// <summary>
/// Обработчик события нажатия мышки
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (_isFigurePicked &&
SelectedFigures != null)
{
if (IsPointOnFigure(e.Location))
{
if ((SelectedFigures != null) &&
SelectedFigures.ContainsKey(GetFigurePointOn(e.Location)))
{
_selectedFigure = _presenter.GetFigures()
[GetFigurePointOn(e.Location)];
//Сохраняем предыдущее состояние
BeforeState?.Clear();
foreach (var figure in SelectedFigures)
{
if (!_presenter.GetFigures().Contains(figure))
{
continue;
}
var index = figure.Key;
BeforeState?.Add(index, FigureFactory.CreateCopy(figure.Value));
}
MouseMoveDelegate -= MouseMoveSelecting;
MouseMoveDelegate += MouseMoveFigure;
MouseUpDelegate += MouseUpFigure;
_offsetX = _selectedFigure.Points.GetPoints()[0].X - e.X;
_offsetY = _selectedFigure.Points.GetPoints()[0].Y - e.Y;
}
}
else if (IsPointOnMarker(e.Location, out _pickedPoint))
{
MouseMoveDelegate -= MouseMoveSelecting;
MouseMoveDelegate += MouseMoveMarker;
MouseUpDelegate += MouseUpMarker;
BeforePointState?.Clear();
foreach (var figure in _presenter.GetFigures())
{
if (figure.Key != _pickedFigureIndex)
{
continue;
}
_oldFigureIndex = figure.Key;
BeforePointState?.Add(_oldFigureIndex,
FigureFactory.CreateCopy(figure.Value));
}
_offsetX = _pickedPoint.X - e.X;
_offsetY = _pickedPoint.Y - e.Y;
}
else
{
_isMouseDown = true;
}
}
else
{
_isMouseDown = true;
}
_originalMouseDownPoint = e.Location;
}
}
