/// <summary>
/// Ковертирует узел декартового дерева в узел для отрисовки на форме
/// </summary>
/// <param name="node">Узел декартового дерева</param>
/// <param name="startY">Высота рисования узла</param>
/// <param name="startX">Начало области рисования узла</param>
/// <param name="endX">Конец области рисования узла</param>
/// <returns></returns>
private NodeDrawer GetNodeDrawer(NodeOfCartesianTree <TNode, TValue> node, int startY, int startX, int endX)
{
NodeDrawer nodeDrawer = new NodeDrawer()
{
StartY = startY,
StartX = startX,
EndX = endX,
Text = node.ToString(),
Size = Size,
PenBorder = (Pen)PenBorder.Clone(),
BrushFont = (Brush)BrushFont.Clone(),
MinSizeForOutText = Size,
Font = Font
};
return(nodeDrawer);
}
/// <summary>
/// Отрисовывает следующее изменение
/// </summary>
public void NextEventInLog()
{
if (indexLogs >= Logs.Count)
{
return;
}
else
{
switch (Logs[indexLogs].LogEvent)
{
case LogTreapEvent.StartSplite:
{
ClearActive();
NodeDrawer nodeDrawer = FindNodeDrawer(Logs[indexLogs].Nodes[0]);
nodeDrawer.PenBorder.Color = activeColor;
prevActive.Enqueue(nodeDrawer);
break;
}
case LogTreapEvent.EndSplite:
{
prevActive.Clear();
NodeDrawer nodeDrawer = FindNodeDrawer(Logs[indexLogs].Nodes[0]);
nodeDrawer.PenBorder.Color = PenBorder.Color;
break;
}
case LogTreapEvent.RemoveEdge:
{
NodeDrawer nodeDrawer = FindNodeDrawer(Logs[indexLogs].Nodes[0]);
nodeDrawer.Arrow = null;
break;
}
case LogTreapEvent.AddedEdge:
{
NodeDrawer nodeFrom = FindNodeDrawer(Logs[indexLogs].Nodes[0]);
NodeDrawer nodeTo = FindNodeDrawer(Logs[indexLogs].Nodes[1]);
nodeFrom.PenBorder.Color = activeColor;
nodeTo.Arrow = new ArrowDrawer(nodeFrom.Rect, nodeTo.Rect)
{
Pen = (Pen)PenArrow.Clone(),
LengthPointer = nodeTo.Size / 3,
};
break;
}
case LogTreapEvent.StartMerge:
{
ClearActive();
NodeDrawer nodeLeft = FindNodeDrawer(Logs[indexLogs].Nodes[0]);
NodeDrawer nodeRight = FindNodeDrawer(Logs[indexLogs].Nodes[1]);
nodeLeft.PenBorder.Color = activeColor;
nodeRight.PenBorder.Color = activeColor;
prevActive.Enqueue(nodeLeft);
prevActive.Enqueue(nodeRight);
break;
}
case LogTreapEvent.EndMerge:
{
prevActive.Clear();
NodeDrawer nodeLeft = FindNodeDrawer(Logs[indexLogs].Nodes[0]);
NodeDrawer nodeRight = FindNodeDrawer(Logs[indexLogs].Nodes[1]);
nodeLeft.PenBorder.Color = PenBorder.Color;
nodeRight.PenBorder.Color = PenBorder.Color;
break;
}
}
Draw();
indexLogs++;
}
}