public ConnectionArrow(DiagramItem fromItem, DiagramItem toItem, double chance)
{
FromItem = fromItem;
TargetItem = toItem;
ConnectionArrowType = Equals(FromItem, TargetItem)
? ConnectionArrowType.Loopback
: ConnectionArrowType.Normal;
ViewType = ConnectionArrowType == ConnectionArrowType.Normal
? Properties.Settings.Default.NormalArrowType
: Properties.Settings.Default.OutArrowType;
if (toItem.GetType() == typeof(OutBuffItem))
{
ConnectionArrowType = Properties.Settings.Default.OutArrowType == 0
? ConnectionArrowType.Normal
: ConnectionArrowType.OutArrowType;
}
Chance = chance;
UpdateLink();
SetDeafultStyle();
fromItem.ConnectionArrows.Add(this);
toItem.ConnectionArrows.Add(this);
PreviewMouseLeftButtonDown += OnPreviewMouseLeftButtonDown;
MouseEnter += OnMouseEnter;
MouseLeave += OnMouseLeave;
}
public ChangeLinkWindow(DiagramItem fromItem, DiagramItem targetItem, double chance = 0)
{
Chance = chance;
InitializeComponent();
tbChance.PreviewTextInput += TbChanceOnPreviewTextInput;
Title = string.Format("{0} -> {1} ({2}%)", fromItem.LabelName, targetItem.LabelName,
Chance*100);
KeyDown += (sender, args) =>
{
if (args.Key == Key.Enter) OkHandle();
};
}
/// <summary>
/// Обновить положение элемента на экрани относительно его LatLng
/// </summary>
/// <param name="item"></param>
public void UpdateScreenCoords(DiagramItem item)
{
var point = _map.FromLatLngToLocal(item.PositionLatLng);
item.CenterPoint = new Point(point.X, point.Y);
}
/// <summary>
/// Обновить положение элемента относительно экранных координат
/// </summary>
/// <param name="item"></param>
public void UpdateLatLngPoses(DiagramItem item)
{
item.PositionLatLng = _map.FromLocalToLatLng(Convert.ToInt32(item.CenterPoint.X),
Convert.ToInt32(item.CenterPoint.Y));
}
private void AddItemToVisual(DiagramItem dItem)
{
_canvas.Children.Add(dItem);
MapHelper.Instance.UpdateLatLngPoses(dItem);
dItem.UpdateLayout();
}
public void Remove(DiagramItem item)
{
Items.Remove(item);
_canvas.Children.Remove(item);
}
/// <summary>
/// Загрузить элементы на форму
/// </summary>
public void LoadDefaultElements()
{
var matrix = ReadFromFile.ReadMatrix();
var vector = ReadFromFile.ReadMatrixRow();
var positions = ReadFromFile.ReadLatLngPositions();
var fromFileCoords = vector.Rows + vector.Cols + 1 == positions.Rows;
var inBuffers = new DiagramItem[vector.Rows];
for (int i = 0; i < vector.Rows; i++)
{
inBuffers[i] = AddNewItemBufferIn(new Point(30, 240 + 100*i));
if (fromFileCoords)
{
inBuffers[i].PositionLatLng = new PointLatLng(positions[i + 1, 1], positions[i + 1, 2]);
MapHelper.Instance.UpdateScreenCoords(inBuffers[i]);
}
}
var outBuffer = new OutBuffItem("outBuf", _canvas.ActualWidth - 60, 200);
if (fromFileCoords)
{
outBuffer.PositionLatLng = new PointLatLng(positions[vector.Rows + 1, 1], positions[vector.Rows + 1, 2]);
MapHelper.Instance.UpdateScreenCoords(outBuffer);
}
_canvas.Children.Add(outBuffer);
double curX = 140, curY = 200;
for (int i = 1; i <= matrix.Rows; i++)
{
var dItem = AddNewItemDevice(new Point(curX + 30, curY + 40));
if (fromFileCoords)
{
dItem.PositionLatLng = new PointLatLng(positions[vector.Rows + 1 + i, 1],
positions[vector.Rows + 1 + i, 2]);
MapHelper.Instance.UpdateScreenCoords(dItem);
}
for (int vectIndex = 1; vectIndex <= vector.Rows; vectIndex++)
{
if (vector[vectIndex, i] > 0) AddNewLink(inBuffers[vectIndex - 1], dItem, vector[vectIndex, i]);
}
var chance = MatrixHelper.CalculateRowChance(matrix, i);
if (chance < 1.0f)
{
AddNewLink(dItem, outBuffer, 1.0f - chance);
}
curX += 90;
curY += (i%2 == 1) ? -80 : 80;
if (curX > _canvas.ActualWidth - 100)
{
curX = 100;
curY += 140;
}
}
for (int i = 1; i <= matrix.Rows; i++)
{
for (int j = 1; j <= matrix.Cols; j++)
{
if (matrix[i, j] > 0)
{
AddNewLink(DiagramItemsDevices[i-1], DiagramItemsDevices[j-1], matrix[i, j]);
}
}
}
}
/// <summary>
/// Добавление новой связи
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="chance"></param>
/// <param name="isGroups">связь между группами</param>
public void AddNewLink(DiagramItem from, DiagramItem to, double chance, bool isGroups = false)
{
if (isGroups)
{
_canvas.Children.Add(new ConnectionArrow(from, to, chance));
return;
}
if ((to.GetType() == typeof(InBuffItem)) ||
(from.GetType() == to.GetType() && to.GetType() != typeof(NodeItem)))
{
MessageBox.Show("Невозможно добавить связь", "Ошибка!", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if (_canvas.Children.OfType<ConnectionArrow>().Count(
x => Equals(x.FromItem, from) && Equals(x.TargetItem, to)) == 0)
{
var createWindow = new ChangeLinkWindow(from, to) {Owner = Application.Current.MainWindow};
createWindow.ShowDialog();
if (createWindow.Chance > 0)
{
var connection = new ConnectionArrow(from, to, createWindow.Chance);
_canvas.Children.Add(connection);
}
}
else MessageBox.Show("Такая связь уже имеется", "Ошибка!", MessageBoxButton.OK, MessageBoxImage.Error);
}
private void CanvasPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (_addNewElement)
{
switch (_idOfNewElement)
{
case 0:
DiagramItemManager.Instance.AddNewItemDevice(e.GetPosition(this));
ResetAddNew();
return;
case 1:
DiagramItemManager.Instance.AddNewItemBufferIn(e.GetPosition(this));
ResetAddNew();
return;
}
}
if (Equals(e.Source, this) || !(e.Source is DiagramItem))
{
ClearSelection();
_isLeftMouseButtonDownOnWindow = true;
_origMouseDownPoint = e.GetPosition(this);
CaptureMouse();
return;
}
if (_addNewElement)
{
_line.X1 = e.GetPosition(this).X;
_line.Y1 = e.GetPosition(this).Y;
_line.Stroke = Brushes.Black;
_line.StrokeThickness = 3;
_line.IsHitTestVisible = false;
_fromElement = e.Source as DiagramItem;
return;
}
if (!_isDragging)
{
_startPoint = e.GetPosition(this);
_selectedElement = (DiagramItem) e.Source;
if (!Keyboard.IsKeyDown(Key.LeftCtrl) && !_selectedElement.IsSelected)
{
ClearSelection();
}
if (Keyboard.IsKeyDown(Key.LeftCtrl))
{
_selectedElement.IsSelected = !_selectedElement.IsSelected;
} else if (!_selectedElement.IsSelected)
{
_selectedElement.IsSelected = true;
}
CaptureMouse();
//_isDragging = true;
_selectedItems.Clear();
foreach (var selectedItem in DiagramItemManager.Instance.SelectedItems)
{
//selectedItem.AddDragEffect();
_selectedItems.Add(selectedItem, selectedItem.CenterPoint);
}
}
e.Handled = true;
}
