public Connection(Point point, ShapeBase shape, int node, int nodeNum)
: this(point, shape, -1, node, nodeNum)
{
}
private void drawingSurface_MouseMove(object sender, MouseEventArgs e)
{//перемещение мыши
//текущая позиция
pointDragged = e.GetPosition(drawingSurface);
//флаги разрешенных действий
if (isDragging)
{//перемещение блока
((Block)selectedVisual).ChangeLocation(pointDragged + clickOffset, true);
drawingSurface.InvalidateMeasure();
}
else if (isConnectionDragging)
{//частичное перемещение соединения
draggingConnection.ChangeLocation(pointDragged);
drawingSurface.InvalidateMeasure();
}
else if ((isConnectionDraw) || (cmdConnection.IsChecked == true))
{
//прорисовка соединения
if (isConnectionDraw)
{
connectionLine.ChangeLocation(pointDragged, true);
drawingSurface.InvalidateMeasure();
tempShape = drawingSurface.GetVisualCptMode(pointDragged) as ShapeBase;
}
else
{
tempShape = drawingSurface.GetVisual(pointDragged) as ShapeBase;
}
if (tempShape == null)
{
if (blockPortVisual != null)
{
blockPortVisual.Draw(false, false);
blockPortVisual = null;
}
if ((connectingShape.TargetBlock != null) || (connectingShape.TargetConnection != null))
{
ClearConnectionMode();
}
return;
}
if (tempShape is Block)
{
if (blockPortVisual != null)
{
blockPortVisual.Draw(false, false);
blockPortVisual = null;
}
tempBlock = tempShape as Block;
tempShape = null;
drawingSurface.SetVisualTopmost(tempBlock);
blockPortVisual = tempBlock;
tempBlock.Draw(false, true);
//поиск порта
tempPortNum = tempBlock.PortHitTest(pointDragged);
if (tempPortNum != -1)
{//порт найден
connectingShape.TargetBlock = tempBlock;
connectingShape.PortNum = tempPortNum;
drawingSurface.Cursor = Cursors.Cross;
}
else
{
drawingSurface.Cursor = Cursors.Arrow;
}
tempBlock = null;
}
else if (tempShape is Connection)
{
connectingShape.TargetConnection = tempShape as Connection;
connectingShape.Node = ((Connection)tempShape).GetNodeNum(pointDragged);
}
}
e.Handled = true;
}
public Connection(Point point, ShapeBase shape, int portNum)
: this(point, shape, portNum, -1, -1)
{
}
